component
AT89C2051-12SU
Public Made by Adomby adom
Microchip Tech Pre-ordered MCUs, SOIC-20-300mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
← Commit history
Publish 0.1.1
5 files changed
+636−624
README.md+39−40@@ -8,26 +8,26 @@ AT89C2051-12SU from Microchip Tech, in a SOIC-20-300mil. Pinout and pin descript | Pin | Name | Type | Function | |---|---|---|---|-| 1 | RST/VPP | input | Reset input; holding RST high for two machine cycles while the oscillator is running resets the device, and RST is raised to 12V to enable programming. |-| 2 | P3.0 (RXD) | bidirectional | Port 3 bi-directional I/O pin with internal pull-up, alternate function RXD (serial input port); its output buffer can sink 20 mA. |-| 3 | P3.1 (TXD) | bidirectional | Port 3 bi-directional I/O pin with internal pull-up, alternate function TXD (serial output port); its output buffer can sink 20 mA. |-| 4 | XTAL2 | output | Output from the inverting oscillator amplifier. |-| 5 | XTAL1 | input | Input to the inverting oscillator amplifier and input to the internal clock operating circuit. |-| 6 | P3.2 (INT0) | bidirectional | Port 3 bi-directional I/O pin with internal pull-up, alternate function INT0 (external interrupt 0); its output buffer can sink 20 mA. |-| 7 | P3.3 (INT1) | bidirectional | Port 3 bi-directional I/O pin with internal pull-up, alternate function INT1 (external interrupt 1); its output buffer can sink 20 mA. |-| 8 | P3.4 (T0) | bidirectional | Port 3 bi-directional I/O pin with internal pull-up, alternate function T0 (timer 0 external input); its output buffer can sink 20 mA. |-| 9 | P3.5 (T1) | bidirectional | Port 3 bi-directional I/O pin with internal pull-up, alternate function T1 (timer 1 external input); its output buffer can sink 20 mA. |+| 1 | RST/VPP | input | Reset input: all I/O pins go to 1s as soon as RST goes high, and holding it high for two machine cycles while the oscillator runs resets the device; it is raised to 12 V to enable Flash programming. |+| 2 | P3.0 (RXD) | bidirectional | Port 3 bidirectional I/O with internal pull-up, alternate function RXD serial input port; output buffers can sink 20 mA. |+| 3 | P3.1 (TXD) | bidirectional | Port 3 bidirectional I/O with internal pull-up, alternate function TXD serial output port; during programming it is pulled low while busy (RDY/BSY). |+| 4 | XTAL2 | output | Output from the inverting oscillator amplifier; left unconnected when XTAL1 is driven by an external clock. |+| 5 | XTAL1 | input | Input to the inverting oscillator amplifier and to the internal clock operating circuit. |+| 6 | P3.2 (INT0) | bidirectional | Port 3 bidirectional I/O with internal pull-up, alternate function external interrupt 0; pulsed to program a byte during Flash programming. |+| 7 | P3.3 (INT1) | bidirectional | Port 3 bidirectional I/O with internal pull-up, alternate function external interrupt 1. |+| 8 | P3.4 (T0) | bidirectional | Port 3 bidirectional I/O with internal pull-up, alternate function timer 0 external input. |+| 9 | P3.5 (T1) | bidirectional | Port 3 bidirectional I/O with internal pull-up, alternate function timer 1 external input; pulled low for signature byte reads. | | 10 | GND | power_in | Ground. |-| 11 | P3.7 | bidirectional | Port 3 bi-directional I/O pin with internal pull-up; its output buffer can sink 20 mA. |-| 12 | P1.0 (AIN0) | bidirectional | Port 1 bi-directional I/O pin that requires an external pull-up and serves as the positive input AIN0 of the on-chip analog comparator; its output buffer can sink 20 mA. |-| 13 | P1.1 (AIN1) | bidirectional | Port 1 bi-directional I/O pin that requires an external pull-up and serves as the negative input AIN1 of the on-chip analog comparator; its output buffer can sink 20 mA. |-| 14 | P1.2 | bidirectional | Port 1 bi-directional I/O pin with internal pull-up that can drive LED displays directly; its output buffer can sink 20 mA. |-| 15 | P1.3 | bidirectional | Port 1 bi-directional I/O pin with internal pull-up that can drive LED displays directly; its output buffer can sink 20 mA. |-| 16 | P1.4 | bidirectional | Port 1 bi-directional I/O pin with internal pull-up that can drive LED displays directly; its output buffer can sink 20 mA. |-| 17 | P1.5 | bidirectional | Port 1 bi-directional I/O pin with internal pull-up that can drive LED displays directly; its output buffer can sink 20 mA. |-| 18 | P1.6 | bidirectional | Port 1 bi-directional I/O pin with internal pull-up that can drive LED displays directly; its output buffer can sink 20 mA. |-| 19 | P1.7 | bidirectional | Port 1 bi-directional I/O pin with internal pull-up that can drive LED displays directly; its output buffer can sink 20 mA. |-| 20 | VCC | power_in | Supply voltage. |+| 11 | P3.7 | bidirectional | Port 3 bidirectional I/O with internal pull-up; output buffers can sink 20 mA. |+| 12 | P1.0 (AIN0) | bidirectional | Port 1 bidirectional I/O that requires an external pull-up; also the positive input (AIN0) of the on-chip analog comparator; output buffers can sink 20 mA and drive LEDs directly. |+| 13 | P1.1 (AIN1) | bidirectional | Port 1 bidirectional I/O that requires an external pull-up; also the negative input (AIN1) of the on-chip analog comparator; output buffers can sink 20 mA. |+| 14 | P1.2 | bidirectional | Port 1 bidirectional I/O with internal pull-up; output buffers can sink 20 mA and drive LEDs directly. |+| 15 | P1.3 | bidirectional | Port 1 bidirectional I/O with internal pull-up; output buffers can sink 20 mA and drive LEDs directly. |+| 16 | P1.4 | bidirectional | Port 1 bidirectional I/O with internal pull-up; output buffers can sink 20 mA and drive LEDs directly. |+| 17 | P1.5 | bidirectional | Port 1 bidirectional I/O with internal pull-up; output buffers can sink 20 mA and drive LEDs directly. |+| 18 | P1.6 | bidirectional | Port 1 bidirectional I/O with internal pull-up; output buffers can sink 20 mA and drive LEDs directly. |+| 19 | P1.7 | bidirectional | Port 1 bidirectional I/O with internal pull-up; output buffers can sink 20 mA and drive LEDs directly. |+| 20 | VCC | power_in | Supply voltage, operating range 2.7 V to 6.0 V. | ## Key specifications @@ -44,8 +44,15 @@ Limits as printed in the datasheet (page.json `metadata.characteristics` carries | Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page | |---|---|---|---|---|---|---|---|+| Operating Temperature | | -55 | | 125 | °C | | 12 |+| Storage Temperature | | -65 | | 150 | °C | | 12 |+| Voltage on Any Pin with Respect to Ground | | -1 | | 7 | V | with respect to ground | 12 |+| Maximum Operating Voltage | | | | 6.6 | V | | 12 |+| DC Output Current | | | | 25 | mA | | 12 |+| Supply Voltage | VCC | 2.7 | | 6 | V | AT89C2051-12SU, 12 MHz speed grade | 16 |+| Ambient Temperature (Industrial) | TA | -40 | | 85 | °C | Industrial operating range | 16 | | Input Low-voltage | VIL | -0.5 | | | V | | 12 |-| Output Low-voltage (Ports 1, 3) | VOL | | | 0.5 | V | IOL = 20 mA, VCC = 5V; IOL = 10 mA, VCC = 2.7V | 12 |+| Output Low-voltage (Ports 1, 3) | VOL | | | 0.5 | V | IOL = 10 mA, VCC = 2.7V | 12 | | Output High-voltage (Ports 1, 3) | VOH | 2.4 | | | V | IOH = -80 μA, VCC = 5V ± 10% | 12 | | Logical 0 Input Current (Ports 1, 3) | IIL | | | -50 | µA | VIN = 0.45V | 12 | | Logical 1 to 0 Transition Current (Ports 1, 3) | ITL | | | -750 | µA | VIN = 2V, VCC = 5V ± 10% | 12 |@@ -54,23 +61,23 @@ Limits as printed in the datasheet (page.json `metadata.characteristics` carries | Comparator Input Common Mode Voltage | VCM | 0 | | | V | | 12 | | Reset Pull-down Resistor | RRST | 50 | | 300 | kΩ | | 12 | | Pin Capacitance | CIO | | | 10 | pF | Test Freq. = 1 MHz, TA = 25°C | 12 |-| Power Supply Current Active Mode | ICC | | | 15 | mA | Active Mode, 12 MHz, VCC = 6V | 12 |-| Power Supply Current Active Mode | ICC | | | 5.5 | mA | Active Mode, 12 MHz, VCC = 3V | 12 |-| Power Supply Current Idle Mode | ICC | | | 5 | mA | Idle Mode, 12 MHz, VCC = 6V; P1.0 & P1.1 = 0V or VCC | 12 |-| Power Supply Current Idle Mode | ICC | | | 1 | mA | Idle Mode, 12 MHz, VCC = 3V; P1.0 & P1.1 = 0V or VCC | 12 |-| Power Supply Current Power-down Mode | ICC | | | 100 | µA | VCC = 6V, P1.0 & P1.1 = 0V or VCC | 12 |-| Power Supply Current Power-down Mode | ICC | | | 20 | µA | VCC = 3V, P1.0 & P1.1 = 0V or VCC | 12 |+| Power Supply Current, Active Mode | ICC | | | 15 | mA | Active Mode, 12 MHz, VCC = 6V | 12 |+| Power Supply Current, Active Mode | ICC | | | 5.5 | mA | Active Mode, 12 MHz, VCC = 3V | 12 |+| Power Supply Current, Idle Mode | ICC | | | 5 | mA | Idle Mode, 12 MHz, VCC = 6V, P1.0 & P1.1 = 0V or VCC | 12 |+| Power Supply Current, Idle Mode | ICC | | | 1 | mA | Idle Mode, 12 MHz, VCC = 3V, P1.0 & P1.1 = 0V or VCC | 12 |+| Power Supply Current, Power-down Mode | ICC | | | 100 | µA | VCC = 6V, P1.0 & P1.1 = 0V or VCC | 12 |+| Power Supply Current, Power-down Mode | ICC | | | 20 | µA | VCC = 3V, P1.0 & P1.1 = 0V or VCC | 12 | | Oscillator Frequency | 1/tCLCL | 0 | | 12 | MHz | VCC = 2.7V to 6.0V | 13 | | Clock Period | tCLCL | 83.3 | | | ns | VCC = 2.7V to 6.0V | 13 | | High Time | tCHCX | 30 | | | ns | VCC = 2.7V to 6.0V | 13 | | Low Time | tCLCX | 30 | | | ns | VCC = 2.7V to 6.0V | 13 | | Rise Time | tCLCH | | | 20 | ns | VCC = 2.7V to 6.0V | 13 | | Fall Time | tCHCL | | | 20 | ns | VCC = 2.7V to 6.0V | 13 |-| Serial Port Clock Cycle Time | tXLXL | 1 | | | µs | VCC = 5.0V ± 20%; Load Capacitance = 80 pF; 12 MHz Osc | 13 |-| Output Data Setup to Clock Rising Edge | tQVXH | 700 | | | ns | VCC = 5.0V ± 20%; Load Capacitance = 80 pF; 12 MHz Osc | 13 |-| Output Data Hold after Clock Rising Edge | tXHQX | 50 | | | ns | VCC = 5.0V ± 20%; Load Capacitance = 80 pF; 12 MHz Osc | 13 |-| Input Data Hold after Clock Rising Edge | tXHDX | 0 | | | ns | VCC = 5.0V ± 20%; Load Capacitance = 80 pF; 12 MHz Osc | 13 |-| Clock Rising Edge to Input Data Valid | tXHDV | | | 700 | ns | VCC = 5.0V ± 20%; Load Capacitance = 80 pF; 12 MHz Osc | 13 |+| Serial Port Clock Cycle Time | tXLXL | 1 | | | µs | 12 MHz Osc; VCC = 5.0V ± 20%; Load Capacitance = 80 pF | 13 |+| Output Data Setup to Clock Rising Edge | tQVXH | 700 | | | ns | 12 MHz Osc; VCC = 5.0V ± 20%; Load Capacitance = 80 pF | 13 |+| Output Data Hold after Clock Rising Edge | tXHQX | 50 | | | ns | 12 MHz Osc; VCC = 5.0V ± 20%; Load Capacitance = 80 pF | 13 |+| Input Data Hold after Clock Rising Edge | tXHDX | 0 | | | ns | 12 MHz Osc; VCC = 5.0V ± 20%; Load Capacitance = 80 pF | 13 |+| Clock Rising Edge to Input Data Valid | tXHDV | | | 700 | ns | 12 MHz Osc; VCC = 5.0V ± 20%; Load Capacitance = 80 pF | 13 | | Programming Enable Voltage | VPP | 11.5 | | 12.5 | V | TA = 0°C to 70°C, VCC = 5.0 ± 10% | 11 | | Programming Enable Current | IPP | | | 250 | µA | TA = 0°C to 70°C, VCC = 5.0 ± 10% | 11 | | Data Setup to PROG Low | tDVGL | 1 | | | µs | TA = 0°C to 70°C, VCC = 5.0 ± 10% | 11 |@@ -85,14 +92,6 @@ Limits as printed in the datasheet (page.json `metadata.characteristics` carries | Byte Write Cycle Time | tWC | | | 2 | ms | TA = 0°C to 70°C, VCC = 5.0 ± 10% | 11 | | RDY/BSY to Increment Clock Delay | tBHIH | 1 | | | µs | TA = 0°C to 70°C, VCC = 5.0 ± 10% | 11 | | Increment Clock High | tIHIL | 200 | | | ns | TA = 0°C to 70°C, VCC = 5.0 ± 10% | 11 |-| Operating Temperature | | -55 | | 125 | °C | | 12 |-| Storage Temperature | | -65 | | 150 | °C | | 12 |-| Voltage on Any Pin with Respect to Ground | | -1 | | 7 | V | | 12 |-| Maximum Operating Voltage | | | | 6.6 | V | | 12 |-| DC Output Current | | | | 25 | mA | | 12 |-| Supply Voltage | VCC | 2.7 | | 6 | V | 12 MHz grade (AT89C2051-12SU), industrial range | 12 |-| Operating Temperature (Industrial) | TA | -40 | | 85 | °C | Industrial (-40°C to 85°C) | 12 |-| Minimum VCC for Power-down | | 2 | | | V | Note 2 of DC characteristics table | 12 | ## CAD (KiCad official) @@ -105,7 +104,7 @@ Limits as printed in the datasheet (page.json `metadata.characteristics` carries Data extracted from the manufacturer datasheet, not a distributor listing: -- **Datasheet:** [Microchip Tech datasheet](docs/at89c2051-12su-datasheet.pdf) (19 pp, sha256 `2ef3a172c794a432`, retrieved 2026-11-10, tier: manufacturer)+- **Datasheet:** [Microchip Tech datasheet](docs/at89c2051-12su-datasheet.pdf) (19 pp, sha256 `2ef3a172c794a432`, retrieved 2026-11-11, tier: manufacturer) - **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-haiku-5-5` (text), consensus `claude-sonnet-5-5` (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish. - **CAD:** KiCad official libraries (CC-BY-SA 4.0).
at89c2051-12su-hero.overlay.json+524−522@@ -1,524 +1,526 @@ {- "spec": "adom-hero 1.4",- "mpn": "AT89C2051-12SU",- "kind": "component + footprint reference art",- "board_use": false,- "plane_z_mm": -0.02,- "units": "metre",- "upAxis": "Z",- "layers": {- "pad_outlines": {- "material": "Footprint pads - teal dashed outlines - 50 percent opacity",- "rgba": [- 0.0,- 0.902,- 0.863,- 0.5- ],- "pads": 20,- "span_mm": 12.03,- "dash_mm": 0.3008,- "gap_mm": 0.1804,- "pad_stroke_mm": 0.0722- },- "silkscreen": {- "material": "Silkscreen reference lines - 30 percent opacity",- "rgba": [- 0.92,- 0.96,- 1.0,- 0.3- ],- "footprint_items": 7,- "pin1": {- "source": "footprint silkscreen",- "pad": "1"- }- },- "signal_names": {- "material": "Signal names - 50 percent opacity",- "rgba": [- 0.92,- 0.96,- 1.0,- 0.5- ],- "font": "DejaVu Sans Mono",- "labels": 20,- "sides": "top + mirrored underside (single-sided)",- "fallback_to_pad_number": 0- }- },- "align": {- "ok": true,- "centre_offset_mm": 0.0,- "tolerance_mm": 0.962,- "orientation_flipped": false,- "contacts_bbox_mm": [- -5.15,- 5.15,- -5.92,- 5.92- ],- "pads_bbox_mm": [- -5.675,- 5.675,- -6.015,- 6.015- ],- "seating_z_mm": -0.0- },- "sources": {- "glb": "at89c2051-12su-etched.glb",- "glb_sha256": "a175d205562010598cadaf8b79c6c2c4d6665e73464dcdb83bd5f422c22d1e5c",- "footprint": "at89c2051-12su.kicad_mod",- "footprint_sha256": "9783bc19f518a72442ddbfe6289e767a42c3d23358b65c3447b6a36bdd0e7dcf",- "pins": "page.json component.pins",- "pins_sha256": "4270cdcb02f19a761491eaf25c5bf85e586746adb474d77f76ff1fbf0deb82a3"- },- "generator": "adom-wiki 1.8.15 (component_hero)",- "labels": [- {- "pad": "1",- "text": "RST/VPP",- "x": -5.825,- "y": -5.715,- "align": "right",- "vertical": false,- "h": 0.6- },- {- "pad": "2",- "text": "P3.0 (RXD)",- "x": -5.825,- "y": -4.445,- "align": "right",- "vertical": false,- "h": 0.6- },- {- "pad": "3",- "text": "P3.1 (TXD)",- "x": -5.825,- "y": -3.175,- "align": "right",- "vertical": false,- "h": 0.6- },- {- "pad": "4",- "text": "XTAL2",- "x": -5.825,- "y": -1.905,- "align": "right",- "vertical": false,- "h": 0.6- },- {- "pad": "5",- "text": "XTAL1",- "x": -5.825,- "y": -0.635,- "align": "right",- "vertical": false,- "h": 0.6- },- {- "pad": "6",- "text": "P3.2 (INT0)",- "x": -5.825,- "y": 0.635,- "align": "right",- "vertical": false,- "h": 0.6- },- {- "pad": "7",- "text": "P3.3 (INT1)",- "x": -5.825,- "y": 1.905,- "align": "right",- "vertical": false,- "h": 0.6- },- {- "pad": "8",- "text": "P3.4 (T0)",- "x": -5.825,- "y": 3.175,- "align": "right",- "vertical": false,- "h": 0.6- },- {- "pad": "9",- "text": "P3.5 (T1)",- "x": -5.825,- "y": 4.445,- "align": "right",- "vertical": false,- "h": 0.6- },- {- "pad": "10",- "text": "GND",- "x": -5.825,- "y": 5.715,- "align": "right",- "vertical": false,- "h": 0.6- },- {- "pad": "11",- "text": "P3.7",- "x": 5.825,- "y": 5.715,- "align": "left",- "vertical": false,- "h": 0.6- },- {- "pad": "12",- "text": "P1.0 (AIN0)",- "x": 5.825,- "y": 4.445,- "align": "left",- "vertical": false,- "h": 0.6- },- {- "pad": "13",- "text": "P1.1 (AIN1)",- "x": 5.825,- "y": 3.175,- "align": "left",- "vertical": false,- "h": 0.6- },- {- "pad": "14",- "text": "P1.2",- "x": 5.825,- "y": 1.905,- "align": "left",- "vertical": false,- "h": 0.6- },- {- "pad": "15",- "text": "P1.3",- "x": 5.825,- "y": 0.635,- "align": "left",- "vertical": false,- "h": 0.6- },- {- "pad": "16",- "text": "P1.4",- "x": 5.825,- "y": -0.635,- "align": "left",- "vertical": false,- "h": 0.6- },- {- "pad": "17",- "text": "P1.5",- "x": 5.825,- "y": -1.905,- "align": "left",- "vertical": false,- "h": 0.6- },- {- "pad": "18",- "text": "P1.6",- "x": 5.825,- "y": -3.175,- "align": "left",- "vertical": false,- "h": 0.6- },- {- "pad": "19",- "text": "P1.7",- "x": 5.825,- "y": -4.445,- "align": "left",- "vertical": false,- "h": 0.6- },- {- "pad": "20",- "text": "VCC",- "x": 5.825,- "y": -5.715,- "align": "left",- "vertical": false,- "h": 0.6- }+ "spec": "adom-hero 1.4",+ "mpn": "AT89C2051-12SU",+ "kind": "component + footprint reference art",+ "board_use": false,+ "plane_z_mm": -0.02,+ "units": "metre",+ "upAxis": "Z",+ "layers": {+ "pad_outlines": {+ "material": "Footprint pads - teal dashed outlines - 50 percent opacity",+ "rgba": [+ 0.0,+ 0.902,+ 0.863,+ 0.5+ ],+ "pads": 20,+ "span_mm": 12.03,+ "dash_mm": 0.3008,+ "gap_mm": 0.1804,+ "pad_stroke_mm": 0.0722+ },+ "silkscreen": {+ "material": "Silkscreen reference lines - 30 percent opacity",+ "rgba": [+ 0.92,+ 0.96,+ 1.0,+ 0.3+ ],+ "footprint_items": 7,+ "pin1": {+ "source": "footprint silkscreen",+ "pad": "1"+ }+ },+ "signal_names": {+ "material": "Signal names - 50 percent opacity",+ "rgba": [+ 0.92,+ 0.96,+ 1.0,+ 0.5+ ],+ "font": "DejaVu Sans Mono",+ "labels": 20,+ "sides": "top + mirrored underside (single-sided)",+ "omitted": null,+ "fallback_to_pad_number": 0+ }+ },+ "align": {+ "ok": true,+ "centre_offset_mm": 0.0,+ "over_pads": true,+ "tolerance_mm": 0.962,+ "orientation_flipped": false,+ "contacts_bbox_mm": [+ -5.15,+ 5.15,+ -5.92,+ 5.92+ ],+ "pads_bbox_mm": [+ -5.675,+ 5.675,+ -6.015,+ 6.015 ],- "pads": [- {- "number": "1",- "shape": "roundrect",- "center_mm": [- -4.65,- -5.715- ],- "size_mm": [- 2.05,- 0.6- ],- "rot": 0.0- },- {- "number": "2",- "shape": "roundrect",- "center_mm": [- -4.65,- -4.445- ],- "size_mm": [- 2.05,- 0.6- ],- "rot": 0.0- },- {- "number": "3",- "shape": "roundrect",- "center_mm": [- -4.65,- -3.175- ],- "size_mm": [- 2.05,- 0.6- ],- "rot": 0.0- },- {- "number": "4",- "shape": "roundrect",- "center_mm": [- -4.65,- -1.905- ],- "size_mm": [- 2.05,- 0.6- ],- "rot": 0.0- },- {- "number": "5",- "shape": "roundrect",- "center_mm": [- -4.65,- -0.635- ],- "size_mm": [- 2.05,- 0.6- ],- "rot": 0.0- },- {- "number": "6",- "shape": "roundrect",- "center_mm": [- -4.65,- 0.635- ],- "size_mm": [- 2.05,- 0.6- ],- "rot": 0.0- },- {- "number": "7",- "shape": "roundrect",- "center_mm": [- -4.65,- 1.905- ],- "size_mm": [- 2.05,- 0.6- ],- "rot": 0.0- },- {- "number": "8",- "shape": "roundrect",- "center_mm": [- -4.65,- 3.175- ],- "size_mm": [- 2.05,- 0.6- ],- "rot": 0.0- },- {- "number": "9",- "shape": "roundrect",- "center_mm": [- -4.65,- 4.445- ],- "size_mm": [- 2.05,- 0.6- ],- "rot": 0.0- },- {- "number": "10",- "shape": "roundrect",- "center_mm": [- -4.65,- 5.715- ],- "size_mm": [- 2.05,- 0.6- ],- "rot": 0.0- },- {- "number": "11",- "shape": "roundrect",- "center_mm": [- 4.65,- 5.715- ],- "size_mm": [- 2.05,- 0.6- ],- "rot": 0.0- },- {- "number": "12",- "shape": "roundrect",- "center_mm": [- 4.65,- 4.445- ],- "size_mm": [- 2.05,- 0.6- ],- "rot": 0.0- },- {- "number": "13",- "shape": "roundrect",- "center_mm": [- 4.65,- 3.175- ],- "size_mm": [- 2.05,- 0.6- ],- "rot": 0.0- },- {- "number": "14",- "shape": "roundrect",- "center_mm": [- 4.65,- 1.905- ],- "size_mm": [- 2.05,- 0.6- ],- "rot": 0.0- },- {- "number": "15",- "shape": "roundrect",- "center_mm": [- 4.65,- 0.635- ],- "size_mm": [- 2.05,- 0.6- ],- "rot": 0.0- },- {- "number": "16",- "shape": "roundrect",- "center_mm": [- 4.65,- -0.635- ],- "size_mm": [- 2.05,- 0.6- ],- "rot": 0.0- },- {- "number": "17",- "shape": "roundrect",- "center_mm": [- 4.65,- -1.905- ],- "size_mm": [- 2.05,- 0.6- ],- "rot": 0.0- },- {- "number": "18",- "shape": "roundrect",- "center_mm": [- 4.65,- -3.175- ],- "size_mm": [- 2.05,- 0.6- ],- "rot": 0.0- },- {- "number": "19",- "shape": "roundrect",- "center_mm": [- 4.65,- -4.445- ],- "size_mm": [- 2.05,- 0.6- ],- "rot": 0.0- },- {- "number": "20",- "shape": "roundrect",- "center_mm": [- 4.65,- -5.715- ],- "size_mm": [- 2.05,- 0.6- ],- "rot": 0.0- }- ]-}+ "seating_z_mm": -0.0+ },+ "sources": {+ "glb": "at89c2051-12su-etched.glb",+ "glb_sha256": "a175d205562010598cadaf8b79c6c2c4d6665e73464dcdb83bd5f422c22d1e5c",+ "footprint": "at89c2051-12su.kicad_mod",+ "footprint_sha256": "9783bc19f518a72442ddbfe6289e767a42c3d23358b65c3447b6a36bdd0e7dcf",+ "pins": "page.json component.pins",+ "pins_sha256": "4270cdcb02f19a761491eaf25c5bf85e586746adb474d77f76ff1fbf0deb82a3"+ },+ "generator": "factory/hero_glb.py",+ "labels": [+ {+ "pad": "1",+ "text": "RST/VPP",+ "x": -5.825,+ "y": -5.715,+ "align": "right",+ "vertical": false,+ "h": 0.6+ },+ {+ "pad": "2",+ "text": "P3.0 (RXD)",+ "x": -5.825,+ "y": -4.445,+ "align": "right",+ "vertical": false,+ "h": 0.6+ },+ {+ "pad": "3",+ "text": "P3.1 (TXD)",+ "x": -5.825,+ "y": -3.175,+ "align": "right",+ "vertical": false,+ "h": 0.6+ },+ {+ "pad": "4",+ "text": "XTAL2",+ "x": -5.825,+ "y": -1.905,+ "align": "right",+ "vertical": false,+ "h": 0.6+ },+ {+ "pad": "5",+ "text": "XTAL1",+ "x": -5.825,+ "y": -0.635,+ "align": "right",+ "vertical": false,+ "h": 0.6+ },+ {+ "pad": "6",+ "text": "P3.2 (INT0)",+ "x": -5.825,+ "y": 0.635,+ "align": "right",+ "vertical": false,+ "h": 0.6+ },+ {+ "pad": "7",+ "text": "P3.3 (INT1)",+ "x": -5.825,+ "y": 1.905,+ "align": "right",+ "vertical": false,+ "h": 0.6+ },+ {+ "pad": "8",+ "text": "P3.4 (T0)",+ "x": -5.825,+ "y": 3.175,+ "align": "right",+ "vertical": false,+ "h": 0.6+ },+ {+ "pad": "9",+ "text": "P3.5 (T1)",+ "x": -5.825,+ "y": 4.445,+ "align": "right",+ "vertical": false,+ "h": 0.6+ },+ {+ "pad": "10",+ "text": "GND",+ "x": -5.825,+ "y": 5.715,+ "align": "right",+ "vertical": false,+ "h": 0.6+ },+ {+ "pad": "11",+ "text": "P3.7",+ "x": 5.825,+ "y": 5.715,+ "align": "left",+ "vertical": false,+ "h": 0.6+ },+ {+ "pad": "12",+ "text": "P1.0 (AIN0)",+ "x": 5.825,+ "y": 4.445,+ "align": "left",+ "vertical": false,+ "h": 0.6+ },+ {+ "pad": "13",+ "text": "P1.1 (AIN1)",+ "x": 5.825,+ "y": 3.175,+ "align": "left",+ "vertical": false,+ "h": 0.6+ },+ {+ "pad": "14",+ "text": "P1.2",+ "x": 5.825,+ "y": 1.905,+ "align": "left",+ "vertical": false,+ "h": 0.6+ },+ {+ "pad": "15",+ "text": "P1.3",+ "x": 5.825,+ "y": 0.635,+ "align": "left",+ "vertical": false,+ "h": 0.6+ },+ {+ "pad": "16",+ "text": "P1.4",+ "x": 5.825,+ "y": -0.635,+ "align": "left",+ "vertical": false,+ "h": 0.6+ },+ {+ "pad": "17",+ "text": "P1.5",+ "x": 5.825,+ "y": -1.905,+ "align": "left",+ "vertical": false,+ "h": 0.6+ },+ {+ "pad": "18",+ "text": "P1.6",+ "x": 5.825,+ "y": -3.175,+ "align": "left",+ "vertical": false,+ "h": 0.6+ },+ {+ "pad": "19",+ "text": "P1.7",+ "x": 5.825,+ "y": -4.445,+ "align": "left",+ "vertical": false,+ "h": 0.6+ },+ {+ "pad": "20",+ "text": "VCC",+ "x": 5.825,+ "y": -5.715,+ "align": "left",+ "vertical": false,+ "h": 0.6+ }+ ],+ "pads": [+ {+ "number": "1",+ "shape": "roundrect",+ "center_mm": [+ -4.65,+ -5.715+ ],+ "size_mm": [+ 2.05,+ 0.6+ ],+ "rot": 0.0+ },+ {+ "number": "2",+ "shape": "roundrect",+ "center_mm": [+ -4.65,+ -4.445+ ],+ "size_mm": [+ 2.05,+ 0.6+ ],+ "rot": 0.0+ },+ {+ "number": "3",+ "shape": "roundrect",+ "center_mm": [+ -4.65,+ -3.175+ ],+ "size_mm": [+ 2.05,+ 0.6+ ],+ "rot": 0.0+ },+ {+ "number": "4",+ "shape": "roundrect",+ "center_mm": [+ -4.65,+ -1.905+ ],+ "size_mm": [+ 2.05,+ 0.6+ ],+ "rot": 0.0+ },+ {+ "number": "5",+ "shape": "roundrect",+ "center_mm": [+ -4.65,+ -0.635+ ],+ "size_mm": [+ 2.05,+ 0.6+ ],+ "rot": 0.0+ },+ {+ "number": "6",+ "shape": "roundrect",+ "center_mm": [+ -4.65,+ 0.635+ ],+ "size_mm": [+ 2.05,+ 0.6+ ],+ "rot": 0.0+ },+ {+ "number": "7",+ "shape": "roundrect",+ "center_mm": [+ -4.65,+ 1.905+ ],+ "size_mm": [+ 2.05,+ 0.6+ ],+ "rot": 0.0+ },+ {+ "number": "8",+ "shape": "roundrect",+ "center_mm": [+ -4.65,+ 3.175+ ],+ "size_mm": [+ 2.05,+ 0.6+ ],+ "rot": 0.0+ },+ {+ "number": "9",+ "shape": "roundrect",+ "center_mm": [+ -4.65,+ 4.445+ ],+ "size_mm": [+ 2.05,+ 0.6+ ],+ "rot": 0.0+ },+ {+ "number": "10",+ "shape": "roundrect",+ "center_mm": [+ -4.65,+ 5.715+ ],+ "size_mm": [+ 2.05,+ 0.6+ ],+ "rot": 0.0+ },+ {+ "number": "11",+ "shape": "roundrect",+ "center_mm": [+ 4.65,+ 5.715+ ],+ "size_mm": [+ 2.05,+ 0.6+ ],+ "rot": 0.0+ },+ {+ "number": "12",+ "shape": "roundrect",+ "center_mm": [+ 4.65,+ 4.445+ ],+ "size_mm": [+ 2.05,+ 0.6+ ],+ "rot": 0.0+ },+ {+ "number": "13",+ "shape": "roundrect",+ "center_mm": [+ 4.65,+ 3.175+ ],+ "size_mm": [+ 2.05,+ 0.6+ ],+ "rot": 0.0+ },+ {+ "number": "14",+ "shape": "roundrect",+ "center_mm": [+ 4.65,+ 1.905+ ],+ "size_mm": [+ 2.05,+ 0.6+ ],+ "rot": 0.0+ },+ {+ "number": "15",+ "shape": "roundrect",+ "center_mm": [+ 4.65,+ 0.635+ ],+ "size_mm": [+ 2.05,+ 0.6+ ],+ "rot": 0.0+ },+ {+ "number": "16",+ "shape": "roundrect",+ "center_mm": [+ 4.65,+ -0.635+ ],+ "size_mm": [+ 2.05,+ 0.6+ ],+ "rot": 0.0+ },+ {+ "number": "17",+ "shape": "roundrect",+ "center_mm": [+ 4.65,+ -1.905+ ],+ "size_mm": [+ 2.05,+ 0.6+ ],+ "rot": 0.0+ },+ {+ "number": "18",+ "shape": "roundrect",+ "center_mm": [+ 4.65,+ -3.175+ ],+ "size_mm": [+ 2.05,+ 0.6+ ],+ "rot": 0.0+ },+ {+ "number": "19",+ "shape": "roundrect",+ "center_mm": [+ 4.65,+ -4.445+ ],+ "size_mm": [+ 2.05,+ 0.6+ ],+ "rot": 0.0+ },+ {+ "number": "20",+ "shape": "roundrect",+ "center_mm": [+ 4.65,+ -5.715+ ],+ "size_mm": [+ 2.05,+ 0.6+ ],+ "rot": 0.0+ }+ ]+}
at89c2051-12su.lbr+14−3@@ -50,7 +50,7 @@ <layer number="98" name="Guide" color="6" fill="1" visible="yes" active="yes"/> </layers> <library>-<description></description>+<description>Microchip Tech Pre-ordered MCUs, SOIC-20-300mil. Pinout cross-checked by two models against the datasheet</description> <packages> <package name="SOIC-20W_7.5x12.8mm_P1.27mm"> <description>SOIC-20W, 7.5 x 12.8 mm, 1.27 mm pitch. SOIC, 20 Pin</description>@@ -98,6 +98,7 @@ </packages> <symbols> <symbol name="AT89C2051-12SU">+ <description>Microchip Tech Pre-ordered MCUs, SOIC-20-300mil. Pinout cross-checked by two models against the datasheet</description> <wire x1="-12.7" y1="12.7" x2="12.7" y2="12.7" width="0.254" layer="94"/> <wire x1="12.7" y1="12.7" x2="12.7" y2="-15.24" width="0.254" layer="94"/> <wire x1="12.7" y1="-15.24" x2="-12.7" y2="-15.24" width="0.254" layer="94"/>@@ -128,7 +129,7 @@ </symbols> <devicesets> <deviceset name="AT89C2051-12SU" prefix="U">- <description></description>+ <description>Microchip Tech Pre-ordered MCUs, SOIC-20-300mil. Pinout cross-checked by two models against the datasheet</description> <gates> <gate name="G$1" symbol="AT89C2051-12SU" x="0" y="0"/> </gates>@@ -156,7 +157,17 @@ <connect gate="G$1" pin="P1.0_AIN0" pad="12"/> <connect gate="G$1" pin="P3.7" pad="11"/> </connects>- <technologies><technology name=""/></technologies>+ <technologies>+ <technology name="">+ <attribute name="MPN" value="AT89C2051-12SU" constant="no"/>+ <attribute name="MANUFACTURER" value="Microchip Tech" constant="no"/>+ <attribute name="DATASHEET" value="https://datasheet.lcsc.com/datasheet/pdf/50457c73a99b43f9b2ed97c385bfb4d3.pdf" constant="no"/>+ <attribute name="ADOM_WIKI" value="https://wiki.adom.inc/adom/at89c2051-12su" constant="no"/>+ <attribute name="MOUSER_PN" value="556-A89C205112SU" constant="no"/>+ <attribute name="DIGIKEY_PN" value="AT89C2051-12SU-ND" constant="no"/>+ <attribute name="LCSC_PN" value="C614903" constant="no"/>+ </technology>+ </technologies> </device> </devices> </deviceset>
package.json+28−29@@ -1,6 +1,6 @@ { "slug": "at89c2051-12su",- "version": "0.1.0",+ "version": "0.1.1", "type": "component", "description": "Microchip Tech Pre-ordered MCUs, SOIC-20-300mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.", "tags": [@@ -54,12 +54,11 @@ "mouser": "556-A89C205112SU" }, "distributor_check": {- "checked_at": "2026-11-10T06:57:01Z",+ "checked_at": "2026-11-11T00:42:50Z", "source": "Component Ocean /api/assign-pns", "digikey": { "pn": "AT89C2051-12SU-ND",- "status": "found",- "lifecycle": "Active"+ "status": "found" }, "mouser": { "pn": "556-A89C205112SU",@@ -71,55 +70,55 @@ "number": "1", "name": "RST/VPP", "type": "input",- "description": "Reset input; holding RST high for two machine cycles while the oscillator is running resets the device, and RST is raised to 12V to enable programming."+ "description": "Reset input: all I/O pins go to 1s as soon as RST goes high, and holding it high for two machine cycles while the oscillator runs resets the device; it is raised to 12 V to enable Flash programming." }, { "number": "2", "name": "P3.0 (RXD)", "type": "bidirectional",- "description": "Port 3 bi-directional I/O pin with internal pull-up, alternate function RXD (serial input port); its output buffer can sink 20 mA."+ "description": "Port 3 bidirectional I/O with internal pull-up, alternate function RXD serial input port; output buffers can sink 20 mA." }, { "number": "3", "name": "P3.1 (TXD)", "type": "bidirectional",- "description": "Port 3 bi-directional I/O pin with internal pull-up, alternate function TXD (serial output port); its output buffer can sink 20 mA."+ "description": "Port 3 bidirectional I/O with internal pull-up, alternate function TXD serial output port; during programming it is pulled low while busy (RDY/BSY)." }, { "number": "4", "name": "XTAL2", "type": "output",- "description": "Output from the inverting oscillator amplifier."+ "description": "Output from the inverting oscillator amplifier; left unconnected when XTAL1 is driven by an external clock." }, { "number": "5", "name": "XTAL1", "type": "input",- "description": "Input to the inverting oscillator amplifier and input to the internal clock operating circuit."+ "description": "Input to the inverting oscillator amplifier and to the internal clock operating circuit." }, { "number": "6", "name": "P3.2 (INT0)", "type": "bidirectional",- "description": "Port 3 bi-directional I/O pin with internal pull-up, alternate function INT0 (external interrupt 0); its output buffer can sink 20 mA."+ "description": "Port 3 bidirectional I/O with internal pull-up, alternate function external interrupt 0; pulsed to program a byte during Flash programming." }, { "number": "7", "name": "P3.3 (INT1)", "type": "bidirectional",- "description": "Port 3 bi-directional I/O pin with internal pull-up, alternate function INT1 (external interrupt 1); its output buffer can sink 20 mA."+ "description": "Port 3 bidirectional I/O with internal pull-up, alternate function external interrupt 1." }, { "number": "8", "name": "P3.4 (T0)", "type": "bidirectional",- "description": "Port 3 bi-directional I/O pin with internal pull-up, alternate function T0 (timer 0 external input); its output buffer can sink 20 mA."+ "description": "Port 3 bidirectional I/O with internal pull-up, alternate function timer 0 external input." }, { "number": "9", "name": "P3.5 (T1)", "type": "bidirectional",- "description": "Port 3 bi-directional I/O pin with internal pull-up, alternate function T1 (timer 1 external input); its output buffer can sink 20 mA."+ "description": "Port 3 bidirectional I/O with internal pull-up, alternate function timer 1 external input; pulled low for signature byte reads." }, { "number": "10",@@ -131,61 +130,61 @@ "number": "11", "name": "P3.7", "type": "bidirectional",- "description": "Port 3 bi-directional I/O pin with internal pull-up; its output buffer can sink 20 mA."+ "description": "Port 3 bidirectional I/O with internal pull-up; output buffers can sink 20 mA." }, { "number": "12", "name": "P1.0 (AIN0)", "type": "bidirectional",- "description": "Port 1 bi-directional I/O pin that requires an external pull-up and serves as the positive input AIN0 of the on-chip analog comparator; its output buffer can sink 20 mA."+ "description": "Port 1 bidirectional I/O that requires an external pull-up; also the positive input (AIN0) of the on-chip analog comparator; output buffers can sink 20 mA and drive LEDs directly." }, { "number": "13", "name": "P1.1 (AIN1)", "type": "bidirectional",- "description": "Port 1 bi-directional I/O pin that requires an external pull-up and serves as the negative input AIN1 of the on-chip analog comparator; its output buffer can sink 20 mA."+ "description": "Port 1 bidirectional I/O that requires an external pull-up; also the negative input (AIN1) of the on-chip analog comparator; output buffers can sink 20 mA." }, { "number": "14", "name": "P1.2", "type": "bidirectional",- "description": "Port 1 bi-directional I/O pin with internal pull-up that can drive LED displays directly; its output buffer can sink 20 mA."+ "description": "Port 1 bidirectional I/O with internal pull-up; output buffers can sink 20 mA and drive LEDs directly." }, { "number": "15", "name": "P1.3", "type": "bidirectional",- "description": "Port 1 bi-directional I/O pin with internal pull-up that can drive LED displays directly; its output buffer can sink 20 mA."+ "description": "Port 1 bidirectional I/O with internal pull-up; output buffers can sink 20 mA and drive LEDs directly." }, { "number": "16", "name": "P1.4", "type": "bidirectional",- "description": "Port 1 bi-directional I/O pin with internal pull-up that can drive LED displays directly; its output buffer can sink 20 mA."+ "description": "Port 1 bidirectional I/O with internal pull-up; output buffers can sink 20 mA and drive LEDs directly." }, { "number": "17", "name": "P1.5", "type": "bidirectional",- "description": "Port 1 bi-directional I/O pin with internal pull-up that can drive LED displays directly; its output buffer can sink 20 mA."+ "description": "Port 1 bidirectional I/O with internal pull-up; output buffers can sink 20 mA and drive LEDs directly." }, { "number": "18", "name": "P1.6", "type": "bidirectional",- "description": "Port 1 bi-directional I/O pin with internal pull-up that can drive LED displays directly; its output buffer can sink 20 mA."+ "description": "Port 1 bidirectional I/O with internal pull-up; output buffers can sink 20 mA and drive LEDs directly." }, { "number": "19", "name": "P1.7", "type": "bidirectional",- "description": "Port 1 bi-directional I/O pin with internal pull-up that can drive LED displays directly; its output buffer can sink 20 mA."+ "description": "Port 1 bidirectional I/O with internal pull-up; output buffers can sink 20 mA and drive LEDs directly." }, { "number": "20", "name": "VCC", "type": "power_in",- "description": "Supply voltage."+ "description": "Supply voltage, operating range 2.7 V to 6.0 V." } ], "provenance": {@@ -199,11 +198,11 @@ "consensus": "agreed", "guards": "pin_guards 0.1: passed", "guard_notes": [- "extractor flagged: The 20S SOIC drawing on page 18 has no text, so the pin-number-to-name mapping was taken from the pa"+ "extractor flagged: The datasheet gives one pin figure for 20-lead PDIP/SOIC (section 2.1) with no per-package drawing. ; Pin 9 and pin 8 alternate-function labels are printed as '(TO)' in the pin figure; the pin descripti; Port 3 pin P3.6 is not bonded out (internal comparator output) and is not listed in the pin figure, " ], "pages_sent": 19,- "cost_usd": 0.0742,- "at": "2026-11-10T06:56:49"+ "cost_usd": 0.0794,+ "at": "2026-11-11T00:42:38" }, "datasheet": { "url": "https://datasheet.lcsc.com/datasheet/pdf/50457c73a99b43f9b2ed97c385bfb4d3.pdf",@@ -240,7 +239,7 @@ "centre_offset_mm": 0.0, "footprint_binding": "identity", "sha256": "59a10b341e6972b31d81802a048060326da627d8b92dcf4263064f4f62ec808e",- "checked": "2026-11-10",+ "checked": "2026-11-11", "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)" }, {@@ -258,8 +257,8 @@ "zmin_mm": -0.0, "centre_offset_mm": 0.0, "footprint_binding": "identity",- "sha256": "0735dfabaac3a6f3215dd66141388abecd73570166958ae9c7ce91eba44d135a",- "checked": "2026-11-10",+ "sha256": "a4faba116928292826578c68a7a3ca72e2fa4a99a9fa0ed7a70dbc97475b8e91",+ "checked": "2026-11-11", "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)" } ]
page.json+31−30@@ -4,7 +4,7 @@ "slug": "at89c2051-12su", "title": "AT89C2051-12SU", "brief": "Microchip Tech Pre-ordered MCUs, SOIC-20-300mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",- "version": "0.1.0",+ "version": "0.1.1", "license": "CC-BY-SA-4.0", "tags": [ "component",@@ -36,12 +36,11 @@ "mouser": "556-A89C205112SU" }, "distributor_check": {- "checked_at": "2026-11-10T06:57:01Z",+ "checked_at": "2026-11-11T00:42:50Z", "source": "Component Ocean /api/assign-pns", "digikey": { "pn": "AT89C2051-12SU-ND",- "status": "found",- "lifecycle": "Active"+ "status": "found" }, "mouser": { "pn": "556-A89C205112SU",@@ -53,55 +52,55 @@ "number": "1", "name": "RST/VPP", "type": "input",- "description": "Reset input; holding RST high for two machine cycles while the oscillator is running resets the device, and RST is raised to 12V to enable programming."+ "description": "Reset input: all I/O pins go to 1s as soon as RST goes high, and holding it high for two machine cycles while the oscillator runs resets the device; it is raised to 12 V to enable Flash programming." }, { "number": "2", "name": "P3.0 (RXD)", "type": "bidirectional",- "description": "Port 3 bi-directional I/O pin with internal pull-up, alternate function RXD (serial input port); its output buffer can sink 20 mA."+ "description": "Port 3 bidirectional I/O with internal pull-up, alternate function RXD serial input port; output buffers can sink 20 mA." }, { "number": "3", "name": "P3.1 (TXD)", "type": "bidirectional",- "description": "Port 3 bi-directional I/O pin with internal pull-up, alternate function TXD (serial output port); its output buffer can sink 20 mA."+ "description": "Port 3 bidirectional I/O with internal pull-up, alternate function TXD serial output port; during programming it is pulled low while busy (RDY/BSY)." }, { "number": "4", "name": "XTAL2", "type": "output",- "description": "Output from the inverting oscillator amplifier."+ "description": "Output from the inverting oscillator amplifier; left unconnected when XTAL1 is driven by an external clock." }, { "number": "5", "name": "XTAL1", "type": "input",- "description": "Input to the inverting oscillator amplifier and input to the internal clock operating circuit."+ "description": "Input to the inverting oscillator amplifier and to the internal clock operating circuit." }, { "number": "6", "name": "P3.2 (INT0)", "type": "bidirectional",- "description": "Port 3 bi-directional I/O pin with internal pull-up, alternate function INT0 (external interrupt 0); its output buffer can sink 20 mA."+ "description": "Port 3 bidirectional I/O with internal pull-up, alternate function external interrupt 0; pulsed to program a byte during Flash programming." }, { "number": "7", "name": "P3.3 (INT1)", "type": "bidirectional",- "description": "Port 3 bi-directional I/O pin with internal pull-up, alternate function INT1 (external interrupt 1); its output buffer can sink 20 mA."+ "description": "Port 3 bidirectional I/O with internal pull-up, alternate function external interrupt 1." }, { "number": "8", "name": "P3.4 (T0)", "type": "bidirectional",- "description": "Port 3 bi-directional I/O pin with internal pull-up, alternate function T0 (timer 0 external input); its output buffer can sink 20 mA."+ "description": "Port 3 bidirectional I/O with internal pull-up, alternate function timer 0 external input." }, { "number": "9", "name": "P3.5 (T1)", "type": "bidirectional",- "description": "Port 3 bi-directional I/O pin with internal pull-up, alternate function T1 (timer 1 external input); its output buffer can sink 20 mA."+ "description": "Port 3 bidirectional I/O with internal pull-up, alternate function timer 1 external input; pulled low for signature byte reads." }, { "number": "10",@@ -113,61 +112,61 @@ "number": "11", "name": "P3.7", "type": "bidirectional",- "description": "Port 3 bi-directional I/O pin with internal pull-up; its output buffer can sink 20 mA."+ "description": "Port 3 bidirectional I/O with internal pull-up; output buffers can sink 20 mA." }, { "number": "12", "name": "P1.0 (AIN0)", "type": "bidirectional",- "description": "Port 1 bi-directional I/O pin that requires an external pull-up and serves as the positive input AIN0 of the on-chip analog comparator; its output buffer can sink 20 mA."+ "description": "Port 1 bidirectional I/O that requires an external pull-up; also the positive input (AIN0) of the on-chip analog comparator; output buffers can sink 20 mA and drive LEDs directly." }, { "number": "13", "name": "P1.1 (AIN1)", "type": "bidirectional",- "description": "Port 1 bi-directional I/O pin that requires an external pull-up and serves as the negative input AIN1 of the on-chip analog comparator; its output buffer can sink 20 mA."+ "description": "Port 1 bidirectional I/O that requires an external pull-up; also the negative input (AIN1) of the on-chip analog comparator; output buffers can sink 20 mA." }, { "number": "14", "name": "P1.2", "type": "bidirectional",- "description": "Port 1 bi-directional I/O pin with internal pull-up that can drive LED displays directly; its output buffer can sink 20 mA."+ "description": "Port 1 bidirectional I/O with internal pull-up; output buffers can sink 20 mA and drive LEDs directly." }, { "number": "15", "name": "P1.3", "type": "bidirectional",- "description": "Port 1 bi-directional I/O pin with internal pull-up that can drive LED displays directly; its output buffer can sink 20 mA."+ "description": "Port 1 bidirectional I/O with internal pull-up; output buffers can sink 20 mA and drive LEDs directly." }, { "number": "16", "name": "P1.4", "type": "bidirectional",- "description": "Port 1 bi-directional I/O pin with internal pull-up that can drive LED displays directly; its output buffer can sink 20 mA."+ "description": "Port 1 bidirectional I/O with internal pull-up; output buffers can sink 20 mA and drive LEDs directly." }, { "number": "17", "name": "P1.5", "type": "bidirectional",- "description": "Port 1 bi-directional I/O pin with internal pull-up that can drive LED displays directly; its output buffer can sink 20 mA."+ "description": "Port 1 bidirectional I/O with internal pull-up; output buffers can sink 20 mA and drive LEDs directly." }, { "number": "18", "name": "P1.6", "type": "bidirectional",- "description": "Port 1 bi-directional I/O pin with internal pull-up that can drive LED displays directly; its output buffer can sink 20 mA."+ "description": "Port 1 bidirectional I/O with internal pull-up; output buffers can sink 20 mA and drive LEDs directly." }, { "number": "19", "name": "P1.7", "type": "bidirectional",- "description": "Port 1 bi-directional I/O pin with internal pull-up that can drive LED displays directly; its output buffer can sink 20 mA."+ "description": "Port 1 bidirectional I/O with internal pull-up; output buffers can sink 20 mA and drive LEDs directly." }, { "number": "20", "name": "VCC", "type": "power_in",- "description": "Supply voltage."+ "description": "Supply voltage, operating range 2.7 V to 6.0 V." } ], "provenance": {@@ -181,11 +180,11 @@ "consensus": "agreed", "guards": "pin_guards 0.1: passed", "guard_notes": [- "extractor flagged: The 20S SOIC drawing on page 18 has no text, so the pin-number-to-name mapping was taken from the pa"+ "extractor flagged: The datasheet gives one pin figure for 20-lead PDIP/SOIC (section 2.1) with no per-package drawing. ; Pin 9 and pin 8 alternate-function labels are printed as '(TO)' in the pin figure; the pin descripti; Port 3 pin P3.6 is not bonded out (internal comparator output) and is not listed in the pin figure, " ], "pages_sent": 19,- "cost_usd": 0.0742,- "at": "2026-11-10T06:56:49"+ "cost_usd": 0.0794,+ "at": "2026-11-11T00:42:38" }, "datasheet": { "url": "https://datasheet.lcsc.com/datasheet/pdf/50457c73a99b43f9b2ed97c385bfb4d3.pdf",@@ -222,7 +221,7 @@ "centre_offset_mm": 0, "footprint_binding": "identity", "sha256": "59a10b341e6972b31d81802a048060326da627d8b92dcf4263064f4f62ec808e",- "checked": "2026-11-10",+ "checked": "2026-11-11", "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)" }, {@@ -240,8 +239,8 @@ "zmin_mm": 0, "centre_offset_mm": 0, "footprint_binding": "identity",- "sha256": "0735dfabaac3a6f3215dd66141388abecd73570166958ae9c7ce91eba44d135a",- "checked": "2026-11-10",+ "sha256": "a4faba116928292826578c68a7a3ca72e2fa4a99a9fa0ed7a70dbc97475b8e91",+ "checked": "2026-11-11", "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)" } ]@@ -888,5 +887,7 @@ ], "visibility": { "public": true- }+ },+ "description": "Microchip Tech Pre-ordered MCUs, SOIC-20-300mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",+ "org": "adom" }