component
AT89C2051-24PU
Public Made by Adomby adom
Microchip Tech ATMEL & AVR, DIP-20. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
← Commit history
Publish 0.1.1
5 files changed
+647−628
README.md+50−44@@ -8,26 +8,26 @@ AT89C2051-24PU from Microchip Tech, in a DIP-20. Pinout and pin descriptions ext | Pin | Name | Type | Function | |---|---|---|---|-| 1 | RST/VPP | input | Reset input: holding RST high for two machine cycles while the oscillator runs resets the device, and it is raised to 12V to enable Flash programming. |-| 2 | P3.0 (RXD) | bidirectional | Port 3 bidirectional I/O pin with internal pull-up, alternate function RXD serial input port. |-| 3 | P3.1 (TXD) | bidirectional | Port 3 bidirectional I/O pin with internal pull-up, alternate function TXD serial output port. |+| 1 | RST/VPP | input | Reset input: holding RST high for two machine cycles while the oscillator runs resets the device, and this pin receives the 12 V programming enable voltage (VPP) during Flash programming. |+| 2 | P3.0 (RXD) | bidirectional | Port 3 bidirectional I/O with internal pull-up; alternate function RXD serial input port. |+| 3 | P3.1 (TXD) | bidirectional | Port 3 bidirectional I/O with internal pull-up; alternate function TXD serial output port, also used as RDY/BSY output during programming. | | 4 | XTAL2 | output | Output from the inverting oscillator amplifier. | | 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 pin with internal pull-up, alternate function INT0 external interrupt 0. |-| 7 | P3.3 (INT1) | bidirectional | Port 3 bidirectional I/O pin with internal pull-up, alternate function INT1 external interrupt 1. |-| 8 | P3.4 (T0) | bidirectional | Port 3 bidirectional I/O pin with internal pull-up, alternate function T0 timer 0 external input. |-| 9 | P3.5 (T1) | bidirectional | Port 3 bidirectional I/O pin with internal pull-up, alternate function T1 timer 1 external input. |+| 6 | P3.2 (INT0) | bidirectional | Port 3 bidirectional I/O with internal pull-up; alternate function INT0 external interrupt 0, also used as PROG during programming. |+| 7 | P3.3 (INT1) | bidirectional | Port 3 bidirectional I/O with internal pull-up; alternate function INT1 external interrupt 1. |+| 8 | P3.4 (T0) | bidirectional | Port 3 bidirectional I/O with internal pull-up; alternate function T0 timer 0 external input. |+| 9 | P3.5 (T1) | bidirectional | Port 3 bidirectional I/O with internal pull-up; alternate function T1 timer 1 external input. | | 10 | GND | power_in | Ground. |-| 11 | P3.7 | bidirectional | Port 3 bidirectional I/O pin with internal pull-up; Port 3 output buffers can sink 20 mA. |-| 12 | P1.0 (AIN0) | bidirectional | Port 1 I/O pin that requires an external pull-up and serves as the positive input AIN0 of the on-chip precision analog comparator. |-| 13 | P1.1 (AIN1) | bidirectional | Port 1 I/O pin that requires an external pull-up and serves as the negative input AIN1 of the on-chip precision analog comparator. |-| 14 | P1.2 | bidirectional | Port 1 bidirectional I/O pin with internal pull-up; Port 1 output buffers can sink 20 mA and drive LED displays directly. |-| 15 | P1.3 | bidirectional | Port 1 bidirectional I/O pin with internal pull-up; Port 1 output buffers can sink 20 mA and drive LED displays directly. |-| 16 | P1.4 | bidirectional | Port 1 bidirectional I/O pin with internal pull-up; Port 1 output buffers can sink 20 mA and drive LED displays directly. |-| 17 | P1.5 | bidirectional | Port 1 bidirectional I/O pin with internal pull-up; Port 1 output buffers can sink 20 mA and drive LED displays directly. |-| 18 | P1.6 | bidirectional | Port 1 bidirectional I/O pin with internal pull-up; Port 1 output buffers can sink 20 mA and drive LED displays directly. |-| 19 | P1.7 | bidirectional | Port 1 bidirectional I/O pin with internal pull-up; Port 1 output buffers can sink 20 mA and drive LED displays directly. |-| 20 | VCC | power_in | Supply voltage, 2.7V to 6.0V operating range for the AT89C2051-24PU at 4.0V to 6.0V. |+| 11 | P3.7 | bidirectional | Port 3 bidirectional I/O pin with internal pull-up. |+| 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, and its output buffer can sink 20 mA. |+| 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, and its output buffer can sink 20 mA. |+| 14 | P1.2 | bidirectional | Port 1 bidirectional I/O with internal pull-up; output buffer can sink 20 mA and drive LEDs directly. |+| 15 | P1.3 | bidirectional | Port 1 bidirectional I/O with internal pull-up; output buffer can sink 20 mA and drive LEDs directly. |+| 16 | P1.4 | bidirectional | Port 1 bidirectional I/O with internal pull-up; output buffer can sink 20 mA and drive LEDs directly. |+| 17 | P1.5 | bidirectional | Port 1 bidirectional I/O with internal pull-up; output buffer can sink 20 mA and drive LEDs directly. |+| 18 | P1.6 | bidirectional | Port 1 bidirectional I/O with internal pull-up; output buffer can sink 20 mA and drive LEDs directly. |+| 19 | P1.7 | bidirectional | Port 1 bidirectional I/O with internal pull-up; output buffer can sink 20 mA and drive LEDs directly. |+| 20 | VCC | power_in | Supply voltage; the AT89C2051-24PU is specified for 4.0 V to 6.0 V operation at up to 24 MHz. | ## Key specifications @@ -44,49 +44,55 @@ 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 | | 12 |-| Maximum Operating Voltage | | | | 6.6 | V | | 12 |-| DC Output Current | | | | 25 | mA | | 12 |-| Supply Voltage (24 MHz speed grade) | VCC | 4 | | 6 | V | AT89C2051-24PU, 24 MHz, ordering information | 16 |-| Operating Temperature (Industrial) | | -40 | | 85 | °C | Industrial operation range | 16 |-| Maximum IOL per Port Pin | IOL | | | 20 | mA | Steady state, IOL externally limited | 12 |-| Maximum Total IOL for All Output Pins | IOL | | | 80 | mA | Steady state, IOL externally limited | 12 |-| Minimum VCC for Power-down | VCC | 2 | | | V | Power-down mode | 12 | | Input Low-voltage | VIL | -0.5 | | | V | | 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 |+| 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 | | Input Leakage Current (Port P1.0, P1.1) | ILI | -10 | | 10 | µA | 0 < VIN < VCC | 12 | | Comparator Input Offset Voltage | VOS | | | 20 | mV | VCC = 5V | 12 | | 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 | | Oscillator Frequency | 1/tCLCL | 0 | | 24 | MHz | VCC = 4.0V to 6.0V | 13 | | Clock Period | tCLCL | 41.6 | | | ns | VCC = 4.0V to 6.0V | 13 | | High Time | tCHCX | 15 | | | ns | VCC = 4.0V to 6.0V | 13 | | Low Time | tCLCX | 15 | | | ns | VCC = 4.0V to 6.0V | 13 | | Rise Time | tCLCH | | | 20 | ns | VCC = 4.0V to 6.0V | 13 | | Fall Time | tCHCL | | | 20 | ns | VCC = 4.0V to 6.0V | 13 |-| Input Data Hold after Clock Rising Edge | tXHDX | 0 | | | ns | Variable oscillator; VCC = 5.0V ± 20%; load capacitance 80 pF | 13 |+| Serial Port Clock Cycle Time (12 MHz Osc) | tXLXL | 1 | | | µs | VCC = 5.0V ± 20%; Load Capacitance = 80 pF; 12 MHz Osc | 13 |+| Output Data Setup to Clock Rising Edge (12 MHz Osc) | tQVXH | 700 | | | ns | VCC = 5.0V ± 20%; Load Capacitance = 80 pF; 12 MHz Osc | 13 |+| Output Data Hold after Clock Rising Edge (12 MHz Osc) | 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 (12 MHz Osc) | tXHDV | 700 | | | ns | VCC = 5.0V ± 20%; Load Capacitance = 80 pF; 12 MHz Osc | 13 | | Programming Enable Voltage | VPP | 11.5 | | 12.5 | V | | 11 | | Programming Enable Current | IPP | | | 250 | µA | | 11 |-| Data Setup to PROG Low | tDVGL | 1 | | | µs | | 11 |-| Data Hold after PROG | tGHDX | 1 | | | µs | | 11 |-| P3.4 (ENABLE) High to VPP | tEHSH | 1 | | | µs | | 11 |-| VPP Setup to PROG Low | tSHGL | 10 | | | µs | | 11 |-| VPP Hold after PROG | tGHSL | 10 | | | µs | | 11 |-| PROG Width | tGLGH | 1 | | 110 | µs | | 11 |-| ENABLE Low to Data Valid | tELQV | | | 1 | µs | | 11 |-| Data Float after ENABLE | tEHQZ | 0 | | 1 | µs | | 11 |-| PROG High to BUSY Low | tGHBL | | | 50 | ns | | 11 |-| Byte Write Cycle Time | tWC | | | 2 | ms | | 11 |-| RDY/BSY to Increment Clock Delay | tBHIH | | | 1 | µs | | 11 |-| Increment Clock High | tIHIL | 200 | | | ns | | 11 |+| Data Setup to PROG Low | tDVGL | 1 | | | µs | TA = 0°C to 70°C, VCC = 5.0 ± 10% | 11 |+| Data Hold after PROG | tGHDX | 1 | | | µs | TA = 0°C to 70°C, VCC = 5.0 ± 10% | 11 |+| P3.4 (ENABLE) High to VPP | tEHSH | 1 | | | µs | TA = 0°C to 70°C, VCC = 5.0 ± 10% | 11 |+| VPP Setup to PROG Low | tSHGL | 10 | | | µs | TA = 0°C to 70°C, VCC = 5.0 ± 10% | 11 |+| VPP Hold after PROG | tGHSL | 10 | | | µs | TA = 0°C to 70°C, VCC = 5.0 ± 10% | 11 |+| PROG Width | tGLGH | 1 | | 110 | µs | TA = 0°C to 70°C, VCC = 5.0 ± 10% | 11 |+| ENABLE Low to Data Valid | tELQV | | | 1 | µs | TA = 0°C to 70°C, VCC = 5.0 ± 10% | 11 |+| Data Float after ENABLE | tEHQZ | 0 | | 1 | µs | TA = 0°C to 70°C, VCC = 5.0 ± 10% | 11 |+| PROG High to BUSY Low | tGHBL | | | 50 | ns | TA = 0°C to 70°C, VCC = 5.0 ± 10% | 11 |+| 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 (AT89C2051-24PU, 24 MHz) | VCC | 4 | | 6 | V | Speed 24 MHz | 16 |+| Operating Temperature (Industrial) | | -40 | | 85 | °C | Industrial operation range | 16 |+| Minimum VCC for Power-down | VCC | 2 | | | V | Power-down mode | 12 | ## CAD (KiCad official) @@ -99,7 +105,7 @@ 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/at89c2051-24pu-datasheet.pdf) (19 pp, sha256 `2ef3a172c794a432`, retrieved 2026-11-10, tier: manufacturer)+- **Datasheet:** [Microchip Tech datasheet](docs/at89c2051-24pu-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).
at89c2051-24pu-hero.overlay.json+528−526@@ -1,529 +1,531 @@ {- "spec": "adom-hero 1.4",- "mpn": "AT89C2051-24PU",- "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": 24.46,- "dash_mm": 0.45,- "gap_mm": 0.27,- "pad_stroke_mm": 0.09- },- "silkscreen": {- "material": "Silkscreen reference lines - 30 percent opacity",- "rgba": [- 0.92,- 0.96,- 1.0,- 0.3- ],- "footprint_items": 6,- "pin1": {- "source": "added dot (AI)",- "pad": "1",- "center_mm": [- 0.0,- -1.35- ],- "r_mm": 0.35- }- },- "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": 1.957,- "orientation_flipped": false,- "contacts_bbox_mm": [- -0.127,- 7.747,- -22.975,- 0.115- ],- "pads_bbox_mm": [- -0.8,- 8.42,- -23.66,- 0.8+ "spec": "adom-hero 1.4",+ "mpn": "AT89C2051-24PU",+ "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": 24.46,+ "dash_mm": 0.45,+ "gap_mm": 0.27,+ "pad_stroke_mm": 0.09+ },+ "silkscreen": {+ "material": "Silkscreen reference lines - 30 percent opacity",+ "rgba": [+ 0.92,+ 0.96,+ 1.0,+ 0.3+ ],+ "footprint_items": 6,+ "pin1": {+ "source": "added dot (AI)",+ "pad": "1",+ "center_mm": [+ 0.0,+ -1.35 ],- "seating_z_mm": -3.3- },- "sources": {- "glb": "at89c2051-24pu-etched.glb",- "glb_sha256": "adf4f1d93275a33686788ad970dfa0e2c008b404a63694243aacd467c9e7207a",- "footprint": "at89c2051-24pu.kicad_mod",- "footprint_sha256": "d98cb2b932a5a4004d26d787249d6089bcc06f088d1a2d848420cdd489d48c98",- "pins": "page.json component.pins",- "pins_sha256": "4270cdcb02f19a761491eaf25c5bf85e586746adb474d77f76ff1fbf0deb82a3"- },- "generator": "adom-wiki 1.8.15 (component_hero)",- "labels": [- {- "pad": "1",- "text": "RST/VPP",- "x": -0.95,- "y": 0.0,- "align": "right",- "vertical": false,- "h": 0.6- },- {- "pad": "2",- "text": "P3.0 (RXD)",- "x": -0.95,- "y": 2.54,- "align": "right",- "vertical": false,- "h": 0.6- },- {- "pad": "3",- "text": "P3.1 (TXD)",- "x": -0.95,- "y": 5.08,- "align": "right",- "vertical": false,- "h": 0.6- },- {- "pad": "4",- "text": "XTAL2",- "x": -0.95,- "y": 7.62,- "align": "right",- "vertical": false,- "h": 0.6- },- {- "pad": "5",- "text": "XTAL1",- "x": -0.95,- "y": 10.16,- "align": "right",- "vertical": false,- "h": 0.6- },- {- "pad": "6",- "text": "P3.2 (INT0)",- "x": -0.95,- "y": 12.7,- "align": "right",- "vertical": false,- "h": 0.6- },- {- "pad": "7",- "text": "P3.3 (INT1)",- "x": -0.95,- "y": 15.24,- "align": "right",- "vertical": false,- "h": 0.6- },- {- "pad": "8",- "text": "P3.4 (T0)",- "x": -0.95,- "y": 17.78,- "align": "right",- "vertical": false,- "h": 0.6- },- {- "pad": "9",- "text": "P3.5 (T1)",- "x": -0.95,- "y": 20.32,- "align": "right",- "vertical": false,- "h": 0.6- },- {- "pad": "10",- "text": "GND",- "x": -0.95,- "y": 22.86,- "align": "right",- "vertical": false,- "h": 0.6- },- {- "pad": "11",- "text": "P3.7",- "x": 8.57,- "y": 22.86,- "align": "left",- "vertical": false,- "h": 0.6- },- {- "pad": "12",- "text": "P1.0 (AIN0)",- "x": 8.57,- "y": 20.32,- "align": "left",- "vertical": false,- "h": 0.6- },- {- "pad": "13",- "text": "P1.1 (AIN1)",- "x": 8.57,- "y": 17.78,- "align": "left",- "vertical": false,- "h": 0.6- },- {- "pad": "14",- "text": "P1.2",- "x": 8.57,- "y": 15.24,- "align": "left",- "vertical": false,- "h": 0.6- },- {- "pad": "15",- "text": "P1.3",- "x": 8.57,- "y": 12.7,- "align": "left",- "vertical": false,- "h": 0.6- },- {- "pad": "16",- "text": "P1.4",- "x": 8.57,- "y": 10.16,- "align": "left",- "vertical": false,- "h": 0.6- },- {- "pad": "17",- "text": "P1.5",- "x": 8.57,- "y": 7.62,- "align": "left",- "vertical": false,- "h": 0.6- },- {- "pad": "18",- "text": "P1.6",- "x": 8.57,- "y": 5.08,- "align": "left",- "vertical": false,- "h": 0.6- },- {- "pad": "19",- "text": "P1.7",- "x": 8.57,- "y": 2.54,- "align": "left",- "vertical": false,- "h": 0.6- },- {- "pad": "20",- "text": "VCC",- "x": 8.57,- "y": 0.0,- "align": "left",- "vertical": false,- "h": 0.6- }+ "r_mm": 0.35+ }+ },+ "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,+ 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"center_mm": [- 0.0,- 17.78- ],- "size_mm": [- 1.6,- 1.6- ],- "rot": 0.0- },- {- "number": "9",- "shape": "circle",- "center_mm": [- 0.0,- 20.32- ],- "size_mm": [- 1.6,- 1.6- ],- "rot": 0.0- },- {- "number": "10",- "shape": "circle",- "center_mm": [- 0.0,- 22.86- ],- "size_mm": [- 1.6,- 1.6- ],- "rot": 0.0- },- {- "number": "11",- "shape": "circle",- "center_mm": [- 7.62,- 22.86- ],- "size_mm": [- 1.6,- 1.6- ],- "rot": 0.0- },- {- "number": "12",- "shape": "circle",- "center_mm": [- 7.62,- 20.32- ],- "size_mm": [- 1.6,- 1.6- ],- "rot": 0.0- },- {- "number": "13",- "shape": "circle",- "center_mm": [- 7.62,- 17.78- ],- "size_mm": [- 1.6,- 1.6- ],- "rot": 0.0- },- {- "number": "14",- "shape": "circle",- "center_mm": [- 7.62,- 15.24- ],- "size_mm": [- 1.6,- 1.6- ],- "rot": 0.0- },- {- "number": "15",- "shape": "circle",- "center_mm": [- 7.62,- 12.7- ],- "size_mm": [- 1.6,- 1.6- ],- "rot": 0.0- },- {- "number": "16",- "shape": "circle",- "center_mm": [- 7.62,- 10.16- ],- "size_mm": [- 1.6,- 1.6- ],- "rot": 0.0- },- {- "number": "17",- "shape": "circle",- "center_mm": [- 7.62,- 7.62- ],- "size_mm": [- 1.6,- 1.6- ],- "rot": 0.0- },- {- "number": "18",- "shape": "circle",- "center_mm": [- 7.62,- 5.08- ],- "size_mm": [- 1.6,- 1.6- ],- "rot": 0.0- },- {- "number": "19",- "shape": "circle",- "center_mm": [- 7.62,- 2.54- ],- "size_mm": [- 1.6,- 1.6- ],- "rot": 0.0- },- {- "number": "20",- "shape": "circle",- "center_mm": [- 7.62,- 0.0- ],- "size_mm": [- 1.6,- 1.6- ],- "rot": 0.0- }- ]-}+ "pads_bbox_mm": [+ -0.8,+ 8.42,+ -23.66,+ 0.8+ ],+ "seating_z_mm": -3.3+ },+ "sources": {+ "glb": "at89c2051-24pu-etched.glb",+ "glb_sha256": "adf4f1d93275a33686788ad970dfa0e2c008b404a63694243aacd467c9e7207a",+ "footprint": "at89c2051-24pu.kicad_mod",+ "footprint_sha256": "d98cb2b932a5a4004d26d787249d6089bcc06f088d1a2d848420cdd489d48c98",+ "pins": "page.json component.pins",+ "pins_sha256": "4270cdcb02f19a761491eaf25c5bf85e586746adb474d77f76ff1fbf0deb82a3"+ },+ "generator": "factory/hero_glb.py",+ "labels": [+ {+ "pad": "1",+ "text": "RST/VPP",+ "x": -0.95,+ "y": 0.0,+ "align": "right",+ "vertical": false,+ "h": 0.6+ },+ {+ "pad": "2",+ "text": "P3.0 (RXD)",+ "x": -0.95,+ "y": 2.54,+ "align": "right",+ "vertical": false,+ "h": 0.6+ },+ {+ "pad": "3",+ "text": "P3.1 (TXD)",+ "x": -0.95,+ "y": 5.08,+ "align": "right",+ "vertical": false,+ "h": 0.6+ },+ {+ "pad": "4",+ "text": "XTAL2",+ "x": -0.95,+ "y": 7.62,+ "align": "right",+ "vertical": false,+ "h": 0.6+ },+ {+ "pad": "5",+ "text": "XTAL1",+ "x": -0.95,+ "y": 10.16,+ "align": "right",+ "vertical": false,+ "h": 0.6+ },+ {+ "pad": "6",+ "text": "P3.2 (INT0)",+ "x": -0.95,+ "y": 12.7,+ "align": "right",+ "vertical": false,+ "h": 0.6+ },+ {+ "pad": "7",+ "text": "P3.3 (INT1)",+ "x": -0.95,+ "y": 15.24,+ "align": "right",+ "vertical": false,+ "h": 0.6+ },+ {+ "pad": "8",+ "text": "P3.4 (T0)",+ "x": -0.95,+ "y": 17.78,+ "align": "right",+ "vertical": false,+ "h": 0.6+ },+ {+ "pad": "9",+ "text": "P3.5 (T1)",+ "x": -0.95,+ "y": 20.32,+ "align": "right",+ "vertical": false,+ "h": 0.6+ },+ {+ "pad": "10",+ "text": "GND",+ "x": -0.95,+ "y": 22.86,+ "align": "right",+ "vertical": false,+ "h": 0.6+ },+ {+ "pad": "11",+ "text": "P3.7",+ "x": 8.57,+ "y": 22.86,+ "align": "left",+ "vertical": false,+ "h": 0.6+ },+ {+ "pad": "12",+ "text": "P1.0 (AIN0)",+ "x": 8.57,+ "y": 20.32,+ "align": "left",+ "vertical": false,+ "h": 0.6+ },+ {+ "pad": "13",+ "text": "P1.1 (AIN1)",+ "x": 8.57,+ "y": 17.78,+ "align": "left",+ "vertical": false,+ "h": 0.6+ },+ {+ "pad": "14",+ "text": "P1.2",+ "x": 8.57,+ "y": 15.24,+ "align": "left",+ "vertical": false,+ "h": 0.6+ },+ {+ "pad": "15",+ "text": "P1.3",+ "x": 8.57,+ "y": 12.7,+ "align": "left",+ "vertical": false,+ "h": 0.6+ },+ {+ "pad": "16",+ "text": "P1.4",+ "x": 8.57,+ "y": 10.16,+ "align": "left",+ "vertical": false,+ "h": 0.6+ },+ {+ "pad": "17",+ "text": "P1.5",+ "x": 8.57,+ "y": 7.62,+ "align": "left",+ "vertical": false,+ "h": 0.6+ },+ {+ "pad": "18",+ "text": "P1.6",+ "x": 8.57,+ "y": 5.08,+ "align": "left",+ "vertical": false,+ "h": 0.6+ },+ {+ "pad": "19",+ "text": "P1.7",+ "x": 8.57,+ "y": 2.54,+ "align": "left",+ "vertical": false,+ "h": 0.6+ },+ {+ "pad": "20",+ "text": "VCC",+ "x": 8.57,+ "y": 0.0,+ "align": "left",+ "vertical": false,+ "h": 0.6+ }+ ],+ "pads": [+ {+ "number": "1",+ "shape": "roundrect",+ "center_mm": [+ 0.0,+ 0.0+ ],+ "size_mm": [+ 1.6,+ 1.6+ ],+ "rot": 0.0+ },+ {+ "number": "2",+ "shape": "circle",+ "center_mm": [+ 0.0,+ 2.54+ ],+ "size_mm": [+ 1.6,+ 1.6+ ],+ "rot": 0.0+ },+ {+ "number": "3",+ "shape": "circle",+ "center_mm": [+ 0.0,+ 5.08+ ],+ "size_mm": [+ 1.6,+ 1.6+ ],+ "rot": 0.0+ },+ {+ "number": "4",+ "shape": "circle",+ "center_mm": [+ 0.0,+ 7.62+ ],+ "size_mm": [+ 1.6,+ 1.6+ ],+ "rot": 0.0+ },+ {+ "number": "5",+ "shape": "circle",+ "center_mm": [+ 0.0,+ 10.16+ ],+ "size_mm": [+ 1.6,+ 1.6+ ],+ "rot": 0.0+ },+ {+ "number": "6",+ "shape": "circle",+ "center_mm": [+ 0.0,+ 12.7+ ],+ "size_mm": [+ 1.6,+ 1.6+ ],+ "rot": 0.0+ },+ {+ "number": "7",+ "shape": "circle",+ "center_mm": [+ 0.0,+ 15.24+ ],+ "size_mm": [+ 1.6,+ 1.6+ ],+ "rot": 0.0+ },+ {+ "number": "8",+ "shape": "circle",+ "center_mm": [+ 0.0,+ 17.78+ ],+ "size_mm": [+ 1.6,+ 1.6+ ],+ "rot": 0.0+ },+ {+ "number": "9",+ "shape": "circle",+ "center_mm": [+ 0.0,+ 20.32+ ],+ "size_mm": [+ 1.6,+ 1.6+ ],+ "rot": 0.0+ },+ {+ "number": "10",+ "shape": "circle",+ "center_mm": [+ 0.0,+ 22.86+ ],+ "size_mm": [+ 1.6,+ 1.6+ ],+ "rot": 0.0+ },+ {+ "number": "11",+ "shape": "circle",+ "center_mm": [+ 7.62,+ 22.86+ ],+ "size_mm": [+ 1.6,+ 1.6+ ],+ "rot": 0.0+ },+ {+ "number": "12",+ "shape": "circle",+ "center_mm": [+ 7.62,+ 20.32+ ],+ "size_mm": [+ 1.6,+ 1.6+ ],+ "rot": 0.0+ },+ {+ "number": "13",+ "shape": "circle",+ "center_mm": [+ 7.62,+ 17.78+ ],+ "size_mm": [+ 1.6,+ 1.6+ ],+ "rot": 0.0+ },+ {+ "number": "14",+ "shape": "circle",+ "center_mm": [+ 7.62,+ 15.24+ ],+ "size_mm": [+ 1.6,+ 1.6+ ],+ "rot": 0.0+ },+ {+ "number": "15",+ "shape": "circle",+ "center_mm": [+ 7.62,+ 12.7+ ],+ "size_mm": [+ 1.6,+ 1.6+ ],+ "rot": 0.0+ },+ {+ "number": "16",+ "shape": "circle",+ "center_mm": [+ 7.62,+ 10.16+ ],+ "size_mm": [+ 1.6,+ 1.6+ ],+ "rot": 0.0+ },+ {+ "number": "17",+ "shape": "circle",+ "center_mm": [+ 7.62,+ 7.62+ ],+ "size_mm": [+ 1.6,+ 1.6+ ],+ "rot": 0.0+ },+ {+ "number": "18",+ "shape": "circle",+ "center_mm": [+ 7.62,+ 5.08+ ],+ "size_mm": [+ 1.6,+ 1.6+ ],+ "rot": 0.0+ },+ {+ "number": "19",+ "shape": "circle",+ "center_mm": [+ 7.62,+ 2.54+ ],+ "size_mm": [+ 1.6,+ 1.6+ ],+ "rot": 0.0+ },+ {+ "number": "20",+ "shape": "circle",+ "center_mm": [+ 7.62,+ 0.0+ ],+ "size_mm": [+ 1.6,+ 1.6+ ],+ "rot": 0.0+ }+ ]+}
at89c2051-24pu.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 ATMEL & AVR, DIP-20. Pinout cross-checked by two models against the datasheet</description> <packages> <package name="DIP-20_W7.62mm"> <description>20 pads, 9.2 x 24.5 mm. 20-lead though-hole mounted DIP package, row spacing 7.62mm (300 mils)</description>@@ -102,6 +102,7 @@ </packages> <symbols> <symbol name="AT89C2051-24PU">+ <description>Microchip Tech ATMEL & AVR, DIP-20. 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"/>@@ -132,7 +133,7 @@ </symbols> <devicesets> <deviceset name="AT89C2051-24PU" prefix="U">- <description></description>+ <description>Microchip Tech ATMEL & AVR, DIP-20. Pinout cross-checked by two models against the datasheet</description> <gates> <gate name="G$1" symbol="AT89C2051-24PU" x="0" y="0"/> </gates>@@ -160,7 +161,17 @@ <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="AT89C2051-24PU" 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/at89c2051-24pu" constant="no"/>+ <attribute name="MOUSER_PN" value="556-A89C2051-24PU" constant="no"/>+ <attribute name="DIGIKEY_PN" value="AT89C2051-24PU-ND" constant="no"/>+ <attribute name="LCSC_PN" value="C5363" constant="no"/>+ </technology>+ </technologies> </device> </devices> </deviceset>
package.json+26−27@@ -1,6 +1,6 @@ { "slug": "at89c2051-24pu",- "version": "0.1.0",+ "version": "0.1.1", "type": "component", "description": "Microchip Tech ATMEL & AVR, DIP-20. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.", "tags": [@@ -54,12 +54,11 @@ "mouser": "556-A89C2051-24PU" }, "distributor_check": {- "checked_at": "2026-11-10T07:00:50Z",+ "checked_at": "2026-11-11T00:49:16Z", "source": "Component Ocean /api/assign-pns", "digikey": { "pn": "AT89C2051-24PU-ND",- "status": "found",- "lifecycle": "Active"+ "status": "found" }, "mouser": { "pn": "556-A89C2051-24PU",@@ -71,19 +70,19 @@ "number": "1", "name": "RST/VPP", "type": "input",- "description": "Reset input: holding RST high for two machine cycles while the oscillator runs resets the device, and it is raised to 12V to enable Flash programming."+ "description": "Reset input: holding RST high for two machine cycles while the oscillator runs resets the device, and this pin receives the 12 V programming enable voltage (VPP) during Flash programming." }, { "number": "2", "name": "P3.0 (RXD)", "type": "bidirectional",- "description": "Port 3 bidirectional I/O pin with internal pull-up, alternate function RXD serial input port."+ "description": "Port 3 bidirectional I/O with internal pull-up; alternate function RXD serial input port." }, { "number": "3", "name": "P3.1 (TXD)", "type": "bidirectional",- "description": "Port 3 bidirectional I/O pin with internal pull-up, alternate function TXD serial output port."+ "description": "Port 3 bidirectional I/O with internal pull-up; alternate function TXD serial output port, also used as RDY/BSY output during programming." }, { "number": "4",@@ -101,25 +100,25 @@ "number": "6", "name": "P3.2 (INT0)", "type": "bidirectional",- "description": "Port 3 bidirectional I/O pin with internal pull-up, alternate function INT0 external interrupt 0."+ "description": "Port 3 bidirectional I/O with internal pull-up; alternate function INT0 external interrupt 0, also used as PROG during programming." }, { "number": "7", "name": "P3.3 (INT1)", "type": "bidirectional",- "description": "Port 3 bidirectional I/O pin with internal pull-up, alternate function INT1 external interrupt 1."+ "description": "Port 3 bidirectional I/O with internal pull-up; alternate function INT1 external interrupt 1." }, { "number": "8", "name": "P3.4 (T0)", "type": "bidirectional",- "description": "Port 3 bidirectional I/O pin with internal pull-up, alternate function T0 timer 0 external input."+ "description": "Port 3 bidirectional I/O with internal pull-up; alternate function T0 timer 0 external input." }, { "number": "9", "name": "P3.5 (T1)", "type": "bidirectional",- "description": "Port 3 bidirectional I/O pin with internal pull-up, alternate function T1 timer 1 external input."+ "description": "Port 3 bidirectional I/O with internal pull-up; alternate function T1 timer 1 external input." }, { "number": "10",@@ -131,61 +130,61 @@ "number": "11", "name": "P3.7", "type": "bidirectional",- "description": "Port 3 bidirectional I/O pin with internal pull-up; Port 3 output buffers can sink 20 mA."+ "description": "Port 3 bidirectional I/O pin with internal pull-up." }, { "number": "12", "name": "P1.0 (AIN0)", "type": "bidirectional",- "description": "Port 1 I/O pin that requires an external pull-up and serves as the positive input AIN0 of the on-chip precision analog comparator."+ "description": "Port 1 bidirectional I/O that requires an external pull-up; also the positive input (AIN0) of the on-chip analog comparator, and its output buffer can sink 20 mA." }, { "number": "13", "name": "P1.1 (AIN1)", "type": "bidirectional",- "description": "Port 1 I/O pin that requires an external pull-up and serves as the negative input AIN1 of the on-chip precision analog comparator."+ "description": "Port 1 bidirectional I/O that requires an external pull-up; also the negative input (AIN1) of the on-chip analog comparator, and its output buffer can sink 20 mA." }, { "number": "14", "name": "P1.2", "type": "bidirectional",- "description": "Port 1 bidirectional I/O pin with internal pull-up; Port 1 output buffers can sink 20 mA and drive LED displays directly."+ "description": "Port 1 bidirectional I/O with internal pull-up; output buffer can sink 20 mA and drive LEDs directly." }, { "number": "15", "name": "P1.3", "type": "bidirectional",- "description": "Port 1 bidirectional I/O pin with internal pull-up; Port 1 output buffers can sink 20 mA and drive LED displays directly."+ "description": "Port 1 bidirectional I/O with internal pull-up; output buffer can sink 20 mA and drive LEDs directly." }, { "number": "16", "name": "P1.4", "type": "bidirectional",- "description": "Port 1 bidirectional I/O pin with internal pull-up; Port 1 output buffers can sink 20 mA and drive LED displays directly."+ "description": "Port 1 bidirectional I/O with internal pull-up; output buffer can sink 20 mA and drive LEDs directly." }, { "number": "17", "name": "P1.5", "type": "bidirectional",- "description": "Port 1 bidirectional I/O pin with internal pull-up; Port 1 output buffers can sink 20 mA and drive LED displays directly."+ "description": "Port 1 bidirectional I/O with internal pull-up; output buffer can sink 20 mA and drive LEDs directly." }, { "number": "18", "name": "P1.6", "type": "bidirectional",- "description": "Port 1 bidirectional I/O pin with internal pull-up; Port 1 output buffers can sink 20 mA and drive LED displays directly."+ "description": "Port 1 bidirectional I/O with internal pull-up; output buffer can sink 20 mA and drive LEDs directly." }, { "number": "19", "name": "P1.7", "type": "bidirectional",- "description": "Port 1 bidirectional I/O pin with internal pull-up; Port 1 output buffers can sink 20 mA and drive LED displays directly."+ "description": "Port 1 bidirectional I/O with internal pull-up; output buffer can sink 20 mA and drive LEDs directly." }, { "number": "20", "name": "VCC", "type": "power_in",- "description": "Supply voltage, 2.7V to 6.0V operating range for the AT89C2051-24PU at 4.0V to 6.0V."+ "description": "Supply voltage; the AT89C2051-24PU is specified for 4.0 V to 6.0 V operation at up to 24 MHz." } ], "provenance": {@@ -199,11 +198,11 @@ "consensus": "agreed", "guards": "pin_guards 0.1: passed", "guard_notes": [- "extractor flagged: The pin-to-number mapping was reconstructed from the scrambled column order in the page 2 pin config"+ "extractor flagged: Pin numbers were mapped from the text extraction of the page 2 pin diagram, where the printed number; The datasheet's pin diagram lists only the port names and no pin-by-pin descriptions for P3.7; its d; The datasheet covers two ordering variants: -12PU (2.7 V to 6.0 V, 12 MHz) and -24PU (4.0 V to 6.0 V" ], "pages_sent": 19,- "cost_usd": 0.0712,- "at": "2026-11-10T07:00:43"+ "cost_usd": 0.0776,+ "at": "2026-11-11T00:49:07" }, "datasheet": { "url": "https://datasheet.lcsc.com/datasheet/pdf/50457c73a99b43f9b2ed97c385bfb4d3.pdf",@@ -240,7 +239,7 @@ "centre_offset_mm": 0.0, "footprint_binding": "identity", "sha256": "ca359c9b9e0ce94efcb6c96866513f659eef6517d629ace3c4a0a779f6fd57bb",- "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": -3.3, "centre_offset_mm": 0.0, "footprint_binding": "identity",- "sha256": "d519fd16b77d61c7bfaf29df93a22878454ac5482ccb04be86f3f74165312193",- "checked": "2026-11-10",+ "sha256": "ad0a011de7b9dd57df147622adaefc7a70c75bf84bdcefe525200b2d511ed2de",+ "checked": "2026-11-11", "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)" } ],
page.json+29−28@@ -4,7 +4,7 @@ "slug": "at89c2051-24pu", "title": "AT89C2051-24PU", "brief": "Microchip Tech ATMEL & AVR, DIP-20. 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-A89C2051-24PU" }, "distributor_check": {- "checked_at": "2026-11-10T07:00:50Z",+ "checked_at": "2026-11-11T00:49:16Z", "source": "Component Ocean /api/assign-pns", "digikey": { "pn": "AT89C2051-24PU-ND",- "status": "found",- "lifecycle": "Active"+ "status": "found" }, "mouser": { "pn": "556-A89C2051-24PU",@@ -53,19 +52,19 @@ "number": "1", "name": "RST/VPP", "type": "input",- "description": "Reset input: holding RST high for two machine cycles while the oscillator runs resets the device, and it is raised to 12V to enable Flash programming."+ "description": "Reset input: holding RST high for two machine cycles while the oscillator runs resets the device, and this pin receives the 12 V programming enable voltage (VPP) during Flash programming." }, { "number": "2", "name": "P3.0 (RXD)", "type": "bidirectional",- "description": "Port 3 bidirectional I/O pin with internal pull-up, alternate function RXD serial input port."+ "description": "Port 3 bidirectional I/O with internal pull-up; alternate function RXD serial input port." }, { "number": "3", "name": "P3.1 (TXD)", "type": "bidirectional",- "description": "Port 3 bidirectional I/O pin with internal pull-up, alternate function TXD serial output port."+ "description": "Port 3 bidirectional I/O with internal pull-up; alternate function TXD serial output port, also used as RDY/BSY output during programming." }, { "number": "4",@@ -83,25 +82,25 @@ "number": "6", "name": "P3.2 (INT0)", "type": "bidirectional",- "description": "Port 3 bidirectional I/O pin with internal pull-up, alternate function INT0 external interrupt 0."+ "description": "Port 3 bidirectional I/O with internal pull-up; alternate function INT0 external interrupt 0, also used as PROG during programming." }, { "number": "7", "name": "P3.3 (INT1)", "type": "bidirectional",- "description": "Port 3 bidirectional I/O pin with internal pull-up, alternate function INT1 external interrupt 1."+ "description": "Port 3 bidirectional I/O with internal pull-up; alternate function INT1 external interrupt 1." }, { "number": "8", "name": "P3.4 (T0)", "type": "bidirectional",- "description": "Port 3 bidirectional I/O pin with internal pull-up, alternate function T0 timer 0 external input."+ "description": "Port 3 bidirectional I/O with internal pull-up; alternate function T0 timer 0 external input." }, { "number": "9", "name": "P3.5 (T1)", "type": "bidirectional",- "description": "Port 3 bidirectional I/O pin with internal pull-up, alternate function T1 timer 1 external input."+ "description": "Port 3 bidirectional I/O with internal pull-up; alternate function T1 timer 1 external input." }, { "number": "10",@@ -113,61 +112,61 @@ "number": "11", "name": "P3.7", "type": "bidirectional",- "description": "Port 3 bidirectional I/O pin with internal pull-up; Port 3 output buffers can sink 20 mA."+ "description": "Port 3 bidirectional I/O pin with internal pull-up." }, { "number": "12", "name": "P1.0 (AIN0)", "type": "bidirectional",- "description": "Port 1 I/O pin that requires an external pull-up and serves as the positive input AIN0 of the on-chip precision analog comparator."+ "description": "Port 1 bidirectional I/O that requires an external pull-up; also the positive input (AIN0) of the on-chip analog comparator, and its output buffer can sink 20 mA." }, { "number": "13", "name": "P1.1 (AIN1)", "type": "bidirectional",- "description": "Port 1 I/O pin that requires an external pull-up and serves as the negative input AIN1 of the on-chip precision analog comparator."+ "description": "Port 1 bidirectional I/O that requires an external pull-up; also the negative input (AIN1) of the on-chip analog comparator, and its output buffer can sink 20 mA." }, { "number": "14", "name": "P1.2", "type": "bidirectional",- "description": "Port 1 bidirectional I/O pin with internal pull-up; Port 1 output buffers can sink 20 mA and drive LED displays directly."+ "description": "Port 1 bidirectional I/O with internal pull-up; output buffer can sink 20 mA and drive LEDs directly." }, { "number": "15", "name": "P1.3", "type": "bidirectional",- "description": "Port 1 bidirectional I/O pin with internal pull-up; Port 1 output buffers can sink 20 mA and drive LED displays directly."+ "description": "Port 1 bidirectional I/O with internal pull-up; output buffer can sink 20 mA and drive LEDs directly." }, { "number": "16", "name": "P1.4", "type": "bidirectional",- "description": "Port 1 bidirectional I/O pin with internal pull-up; Port 1 output buffers can sink 20 mA and drive LED displays directly."+ "description": "Port 1 bidirectional I/O with internal pull-up; output buffer can sink 20 mA and drive LEDs directly." }, { "number": "17", "name": "P1.5", "type": "bidirectional",- "description": "Port 1 bidirectional I/O pin with internal pull-up; Port 1 output buffers can sink 20 mA and drive LED displays directly."+ "description": "Port 1 bidirectional I/O with internal pull-up; output buffer can sink 20 mA and drive LEDs directly." }, { "number": "18", "name": "P1.6", "type": "bidirectional",- "description": "Port 1 bidirectional I/O pin with internal pull-up; Port 1 output buffers can sink 20 mA and drive LED displays directly."+ "description": "Port 1 bidirectional I/O with internal pull-up; output buffer can sink 20 mA and drive LEDs directly." }, { "number": "19", "name": "P1.7", "type": "bidirectional",- "description": "Port 1 bidirectional I/O pin with internal pull-up; Port 1 output buffers can sink 20 mA and drive LED displays directly."+ "description": "Port 1 bidirectional I/O with internal pull-up; output buffer can sink 20 mA and drive LEDs directly." }, { "number": "20", "name": "VCC", "type": "power_in",- "description": "Supply voltage, 2.7V to 6.0V operating range for the AT89C2051-24PU at 4.0V to 6.0V."+ "description": "Supply voltage; the AT89C2051-24PU is specified for 4.0 V to 6.0 V operation at up to 24 MHz." } ], "provenance": {@@ -181,11 +180,11 @@ "consensus": "agreed", "guards": "pin_guards 0.1: passed", "guard_notes": [- "extractor flagged: The pin-to-number mapping was reconstructed from the scrambled column order in the page 2 pin config"+ "extractor flagged: Pin numbers were mapped from the text extraction of the page 2 pin diagram, where the printed number; The datasheet's pin diagram lists only the port names and no pin-by-pin descriptions for P3.7; its d; The datasheet covers two ordering variants: -12PU (2.7 V to 6.0 V, 12 MHz) and -24PU (4.0 V to 6.0 V" ], "pages_sent": 19,- "cost_usd": 0.0712,- "at": "2026-11-10T07:00:43"+ "cost_usd": 0.0776,+ "at": "2026-11-11T00:49:07" }, "datasheet": { "url": "https://datasheet.lcsc.com/datasheet/pdf/50457c73a99b43f9b2ed97c385bfb4d3.pdf",@@ -222,7 +221,7 @@ "centre_offset_mm": 0, "footprint_binding": "identity", "sha256": "ca359c9b9e0ce94efcb6c96866513f659eef6517d629ace3c4a0a779f6fd57bb",- "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": -3.3, "centre_offset_mm": 0, "footprint_binding": "identity",- "sha256": "d519fd16b77d61c7bfaf29df93a22878454ac5482ccb04be86f3f74165312193",- "checked": "2026-11-10",+ "sha256": "ad0a011de7b9dd57df147622adaefc7a70c75bf84bdcefe525200b2d511ed2de",+ "checked": "2026-11-11", "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)" } ],@@ -864,5 +863,7 @@ ], "visibility": { "public": true- }+ },+ "description": "Microchip Tech ATMEL & AVR, DIP-20. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",+ "org": "adom" }