component
STM8AL3168TCY
Public Made by Adomby adom
STMicroelectronics Microcontrollers (MCU/MPU/SOC), LQFP-48(7x7). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+84@@ -0,0 +1,84 @@+# STM8AL3168TCY++**STMicroelectronics** · Microcontrollers (MCU/MPU/SOC) · LQFP-48(7x7)++STM8AL3168TCY from STMicroelectronics, in a LQFP-48(7x7). Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.++## Pinout++| Pin | Name | Type | Function |+|---|---|---|---|+| 1 | PA0 | bidirectional | Port A0 is a high-sink I/O with high-sink LED driver capability, input pull-up during reset and after reset release, and alternate functions USART1_CK, SWIM input/output, BEEP output and infrared timer output. |+| 2 | NRST/PA1 | bidirectional | Reset input with pull-up (RPU typ 45 kΩ, 30 to 60 kΩ) and VIL max 0.8 V / VIH min 1.4 V; as PA1 it can only be configured as push-pull output, not open-drain or general-purpose input. |+| 3 | PA2 | bidirectional | Port A2 I/O with HSE oscillator input, USART1 transmit and SPI1 master-in/slave-out alternate functions. |+| 4 | PA3 | bidirectional | Port A3 I/O with HSE oscillator output, USART1 receive and SPI1 master-out/slave-in alternate functions. |+| 5 | PA4 | bidirectional | Port A4 is a 3.6 V tolerant I/O with timer 2 break input, ADC1 input 2 and comparator 1 positive input (LCD_COM0 is available only on STM8AL3Lxx). |+| 6 | PA5 | bidirectional | Port A5 is a 3.6 V tolerant I/O with timer 3 break input, ADC1 input 1 and comparator 1 positive input (LCD_COM1 is available only on STM8AL3Lxx). |+| 7 | PA6 | bidirectional | Port A6 is a 3.6 V tolerant I/O with ADC1 input 0 and comparator 1 positive input, and ADC1 trigger as a remappable alternate function. |+| 8 | PA7 | bidirectional | Port A7 is a 5 V tolerant (FT) I/O; the LCD segment 0 function is available only on STM8AL3Lxx. |+| 9 | VSS1/VSSA/VREF- | power_in | I/O ground, analog ground voltage and ADC1 negative voltage reference. |+| 10 | VDD | power_in | Digital power supply; the device operates from 1.8 V to 3.6 V. |+| 11 | VDDA | power_in | Analog supply voltage. |+| 12 | VREF+ | power_in | ADC1 and DAC positive voltage reference. |+| 13 | Reserved | passive | Reserved pin on STM8AL31xx devices; it must be tied to VDD. |+| 14 | PE0 | bidirectional | Port E0 is a 5 V tolerant (FT) I/O; LCD segment 1 is available only on STM8AL3Lxx. |+| 15 | PE1 | bidirectional | Port E1 is a 3.6 V tolerant I/O with timer 1 inverted channel 2; LCD segment 2 is available only on STM8AL3Lxx. |+| 16 | PE2 | bidirectional | Port E2 is a 3.6 V tolerant I/O with timer 1 inverted channel 3; LCD segment 3 is available only on STM8AL3Lxx. |+| 17 | PE3 | bidirectional | Port E3 is a 3.6 V tolerant I/O; LCD segment 4 is available only on STM8AL3Lxx. |+| 18 | PE4 | bidirectional | Port E4 is a 3.6 V tolerant I/O; LCD segment 5 is available only on STM8AL3Lxx. |+| 19 | PE5 | bidirectional | Port E5 is a 3.6 V tolerant I/O with ADC1 input 23, comparator 2 positive input and comparator 1 positive input; LCD segment 6 is available only on STM8AL3Lxx. |+| 20 | PD0 | bidirectional | Port D0 is a 3.6 V tolerant I/O with timer 3 channel 2, ADC1 trigger (remap), ADC1 input 22, comparator 2 positive input and comparator 1 positive input. |+| 21 | PD1 | bidirectional | Port D1 is a 3.6 V tolerant I/O with timer 3 trigger, ADC1 input 21, comparator 2 positive input and comparator 1 positive input. |+| 22 | PD2 | bidirectional | Port D2 is a 3.6 V tolerant I/O with timer 1 channel 1, ADC1 input 20 and comparator 1 positive input. |+| 23 | PD3 | bidirectional | Port D3 is a 3.6 V tolerant I/O with timer 1 trigger, ADC1 input 19 and comparator 1 positive input. |+| 24 | PB0 | bidirectional | Port B0 is a 3.6 V tolerant I/O with timer 2 channel 1, ADC1 input 18 and comparator 1 positive input; a pull-up is applied during reset and the pin is floating after reset release. |+| 25 | PB1 | bidirectional | Port B1 is a 3.6 V tolerant I/O with timer 3 channel 1, ADC1 input 17 and comparator 1 positive input. |+| 26 | PB2 | bidirectional | Port B2 is a 3.6 V tolerant I/O with timer 2 channel 2, ADC1 input 16 and comparator 1 positive input. |+| 27 | PB3 | bidirectional | Port B3 is a 3.6 V tolerant I/O with timer 2 trigger, ADC1 input 15 and comparator 1 positive input. |+| 28 | PB4 | bidirectional | Port B4 is a 3.6 V tolerant I/O with SPI1 master/slave select, ADC1 input 14 and comparator 1 positive input; a pull-up is applied during reset and the pin is floating after reset release. |+| 29 | PB5 | bidirectional | Port B5 is a 3.6 V tolerant I/O with SPI1 clock, ADC1 input 13 and comparator 1 positive input. |+| 30 | PB6 | bidirectional | Port B6 is a 3.6 V tolerant I/O with SPI1 master-out/slave-in, ADC1 input 12 and comparator 1 positive input. |+| 31 | PB7 | bidirectional | Port B7 is a 3.6 V tolerant I/O with SPI1 master-in/slave-out, ADC1 input 11 and comparator 1 positive input. |+| 32 | PF0 | bidirectional | Port F0 is a 3.6 V tolerant I/O with ADC1 input 24 and DAC output. |+| 33 | PD4 | bidirectional | Port D4 is a 3.6 V tolerant I/O with timer 1 channel 2, ADC1 input 10 and comparator 1 positive input. |+| 34 | PD5 | bidirectional | Port D5 is a 3.6 V tolerant I/O with timer 1 channel 3, ADC1 input 9 and comparator 1 positive input. |+| 35 | PD6 | bidirectional | Port D6 is a 3.6 V tolerant I/O with timer 1 break input, ADC1 input 8, RTC calibration output, internal voltage reference output and comparator 1 positive input. |+| 36 | PD7 | bidirectional | Port D7 is a 3.6 V tolerant I/O with timer 1 inverted channel 1, ADC1 input 7, RTC alarm output, internal voltage reference output and comparator 1 positive input. |+| 37 | PC0 | bidirectional | Port C0 is a 5 V tolerant (FT) true open-drain I/O (no protection diode to VDD or weak pull-up) carrying the I2C1 data line SDA. |+| 38 | PC1 | bidirectional | Port C1 is a 5 V tolerant (FT) true open-drain I/O (no protection diode to VDD or weak pull-up) carrying the I2C1 clock line SCL. |+| 39 | VDD2 | power_in | I/Os supply voltage. |+| 40 | VSS2 | power_in | I/Os ground voltage. |+| 41 | PC2 | bidirectional | Port C2 is a 3.6 V tolerant I/O with USART1 receive, ADC1 input 6, comparator 1 positive input and internal voltage reference output. |+| 42 | PC3 | bidirectional | Port C3 is a 3.6 V tolerant I/O with USART1 transmit, ADC1 input 5, comparator 1 positive input and comparator 2 negative input. |+| 43 | PC4 | bidirectional | Port C4 is a 3.6 V tolerant I/O with USART1 synchronous clock, I2C1 SMBus, configurable clock output (CCO), ADC1 input 4, comparator 2 negative input and comparator 1 positive input. |+| 44 | PC5 | bidirectional | Port C5 is a 3.6 V tolerant I/O that also serves as LSE oscillator input (OSC32_IN), with SPI1 select and USART1 transmit as remappable alternate functions. |+| 45 | PC6 | bidirectional | Port C6 is a 3.6 V tolerant I/O that also serves as LSE oscillator output (OSC32_OUT), with SPI1 clock and USART1 receive as remappable alternate functions. |+| 46 | PC7 | bidirectional | Port C7 is a 3.6 V tolerant I/O with ADC1 input 3, comparator 2 negative input and comparator 1 positive input; LCD segment 25 is available only on STM8AL3Lxx. |+| 47 | PE6 | bidirectional | Port E6 is a 3.6 V tolerant I/O with PVD input (PVD_IN); LCD segment 26 is available only on STM8AL3Lxx. |+| 48 | PE7 | bidirectional | Port E7 is a 3.6 V tolerant I/O; LCD segment 27 is available only on STM8AL3Lxx. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | STMicroelectronics |+| Package | LQFP-48(7x7) |+| Category | Embedded Processors & Controllers |+| Pins | 48 |++## CAD (KiCad official)++- Symbol: `STM8AL3168TCY`+- Footprint: `Package_QFP:LQFP-48_7x7mm_P0.5mm`+- 3D model: LQFP-48(7x7) (KiCad packages3D, STEP)+- 3D model files: `stm8al3168tcy-etched.step` / `stm8al3168tcy-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `stm8al3168tcy.step` / `stm8al3168tcy.glb` are the bare package body.++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [STMicroelectronics datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588923687596658688) (123 pp, sha256 `c556f7a6ad75fcd6`, retrieved 2026-10-08, tier: lcsc)+- **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).++[Datasheet PDF](docs/stm8al3168tcy-datasheet.pdf)
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as PA1 it can only be configured as push-pull output, not open-drain or general-purpose input."+ },+ {+ "number": "3",+ "name": "PA2",+ "type": "bidirectional",+ "description": "Port A2 I/O with HSE oscillator input, USART1 transmit and SPI1 master-in/slave-out alternate functions."+ },+ {+ "number": "4",+ "name": "PA3",+ "type": "bidirectional",+ "description": "Port A3 I/O with HSE oscillator output, USART1 receive and SPI1 master-out/slave-in alternate functions."+ },+ {+ "number": "5",+ "name": "PA4",+ "type": "bidirectional",+ "description": "Port A4 is a 3.6 V tolerant I/O with timer 2 break input, ADC1 input 2 and comparator 1 positive input (LCD_COM0 is available only on STM8AL3Lxx)."+ },+ {+ "number": "6",+ "name": "PA5",+ "type": "bidirectional",+ "description": "Port A5 is a 3.6 V tolerant I/O with timer 3 break input, ADC1 input 1 and comparator 1 positive input (LCD_COM1 is available only on STM8AL3Lxx)."+ },+ {+ "number": "7",+ "name": "PA6",+ "type": "bidirectional",+ "description": "Port A6 is a 3.6 V tolerant I/O with ADC1 input 0 and comparator 1 positive input, and ADC1 trigger as a remappable alternate function."+ },+ {+ "number": "8",+ "name": "PA7",+ "type": "bidirectional",+ "description": "Port A7 is a 5 V tolerant (FT) I/O; the LCD segment 0 function is available only on STM8AL3Lxx."+ },+ {+ "number": "9",+ "name": "VSS1/VSSA/VREF-",+ "type": "power_in",+ "description": "I/O ground, analog ground voltage and ADC1 negative voltage reference."+ },+ {+ "number": "10",+ "name": "VDD",+ "type": "power_in",+ "description": "Digital power supply; the device operates from 1.8 V to 3.6 V."+ },+ {+ "number": "11",+ "name": "VDDA",+ "type": "power_in",+ "description": "Analog supply voltage."+ },+ {+ "number": "12",+ "name": "VREF+",+ "type": "power_in",+ "description": "ADC1 and DAC positive voltage reference."+ },+ {+ "number": "13",+ "name": "Reserved",+ "type": "passive",+ "description": "Reserved pin on STM8AL31xx devices; it must be tied to VDD."+ },+ {+ "number": "14",+ "name": "PE0",+ "type": "bidirectional",+ "description": "Port E0 is a 5 V tolerant (FT) I/O; LCD segment 1 is available only on STM8AL3Lxx."+ },+ {+ "number": "15",+ "name": "PE1",+ "type": "bidirectional",+ "description": "Port E1 is a 3.6 V tolerant I/O with timer 1 inverted channel 2; LCD segment 2 is available only on STM8AL3Lxx."+ },+ {+ "number": "16",+ "name": "PE2",+ "type": "bidirectional",+ "description": "Port E2 is a 3.6 V tolerant I/O with timer 1 inverted channel 3; LCD segment 3 is available only on STM8AL3Lxx."+ },+ {+ "number": "17",+ "name": "PE3",+ "type": "bidirectional",+ "description": "Port E3 is a 3.6 V tolerant I/O; LCD segment 4 is available only on STM8AL3Lxx."+ },+ {+ "number": "18",+ "name": "PE4",+ "type": "bidirectional",+ "description": "Port E4 is a 3.6 V tolerant I/O; LCD segment 5 is available only on STM8AL3Lxx."+ },+ {+ "number": "19",+ "name": "PE5",+ "type": "bidirectional",+ "description": "Port E5 is a 3.6 V tolerant I/O with ADC1 input 23, comparator 2 positive input and comparator 1 positive input; LCD segment 6 is available only on STM8AL3Lxx."+ },+ {+ "number": "20",+ "name": "PD0",+ "type": "bidirectional",+ "description": "Port D0 is a 3.6 V tolerant I/O with timer 3 channel 2, ADC1 trigger (remap), ADC1 input 22, comparator 2 positive input and comparator 1 positive input."+ },+ {+ "number": "21",+ "name": "PD1",+ "type": "bidirectional",+ "description": "Port D1 is a 3.6 V tolerant I/O with timer 3 trigger, ADC1 input 21, comparator 2 positive input and comparator 1 positive input."+ },+ {+ "number": "22",+ "name": "PD2",+ "type": "bidirectional",+ "description": "Port D2 is a 3.6 V tolerant I/O with timer 1 channel 1, ADC1 input 20 and comparator 1 positive input."+ },+ {+ "number": "23",+ "name": "PD3",+ "type": "bidirectional",+ "description": "Port D3 is a 3.6 V tolerant I/O with timer 1 trigger, ADC1 input 19 and comparator 1 positive input."+ },+ {+ "number": "24",+ "name": "PB0",+ "type": "bidirectional",+ "description": "Port B0 is a 3.6 V tolerant I/O with timer 2 channel 1, ADC1 input 18 and comparator 1 positive input; a pull-up is applied during reset and the pin is floating after reset release."+ },+ {+ "number": "25",+ "name": "PB1",+ "type": "bidirectional",+ "description": "Port B1 is a 3.6 V tolerant I/O with timer 3 channel 1, ADC1 input 17 and comparator 1 positive input."+ },+ {+ "number": "26",+ "name": "PB2",+ "type": "bidirectional",+ "description": "Port B2 is a 3.6 V tolerant I/O with timer 2 channel 2, ADC1 input 16 and comparator 1 positive input."+ },+ {+ "number": "27",+ "name": "PB3",+ "type": "bidirectional",+ "description": "Port B3 is a 3.6 V tolerant I/O with timer 2 trigger, ADC1 input 15 and comparator 1 positive input."+ },+ {+ "number": "28",+ "name": "PB4",+ "type": "bidirectional",+ "description": "Port B4 is a 3.6 V tolerant I/O with SPI1 master/slave select, ADC1 input 14 and comparator 1 positive input; a pull-up is applied during reset and the pin is floating after reset release."+ },+ {+ "number": "29",+ "name": "PB5",+ "type": "bidirectional",+ "description": "Port B5 is a 3.6 V tolerant I/O with SPI1 clock, ADC1 input 13 and comparator 1 positive input."+ },+ {+ "number": "30",+ "name": "PB6",+ "type": "bidirectional",+ "description": "Port B6 is a 3.6 V tolerant I/O with SPI1 master-out/slave-in, ADC1 input 12 and comparator 1 positive input."+ },+ {+ "number": "31",+ "name": "PB7",+ "type": "bidirectional",+ "description": "Port B7 is a 3.6 V tolerant I/O with SPI1 master-in/slave-out, ADC1 input 11 and comparator 1 positive input."+ },+ {+ "number": "32",+ "name": "PF0",+ "type": "bidirectional",+ "description": "Port F0 is a 3.6 V tolerant I/O with ADC1 input 24 and DAC output."+ },+ {+ "number": "33",+ "name": "PD4",+ "type": "bidirectional",+ "description": "Port D4 is a 3.6 V tolerant I/O with timer 1 channel 2, ADC1 input 10 and comparator 1 positive input."+ },+ {+ "number": "34",+ "name": "PD5",+ "type": "bidirectional",+ "description": "Port D5 is a 3.6 V tolerant I/O with timer 1 channel 3, ADC1 input 9 and comparator 1 positive input."+ },+ {+ "number": "35",+ "name": "PD6",+ "type": "bidirectional",+ "description": "Port D6 is a 3.6 V tolerant I/O with timer 1 break input, ADC1 input 8, RTC calibration output, internal voltage reference output and comparator 1 positive input."+ },+ {+ "number": "36",+ "name": "PD7",+ "type": "bidirectional",+ "description": "Port D7 is a 3.6 V tolerant I/O with timer 1 inverted channel 1, ADC1 input 7, RTC alarm output, internal voltage reference output and comparator 1 positive input."+ },+ {+ "number": "37",+ "name": "PC0",+ "type": "bidirectional",+ "description": "Port C0 is a 5 V tolerant (FT) true open-drain I/O (no protection diode to VDD or weak pull-up) carrying the I2C1 data line SDA."+ },+ {+ "number": "38",+ "name": "PC1",+ "type": "bidirectional",+ "description": "Port C1 is a 5 V tolerant (FT) true open-drain I/O (no protection diode to VDD or weak pull-up) carrying the I2C1 clock line SCL."+ },+ {+ "number": "39",+ "name": "VDD2",+ "type": "power_in",+ "description": "I/Os supply voltage."+ },+ {+ "number": "40",+ "name": "VSS2",+ "type": "power_in",+ "description": "I/Os ground voltage."+ },+ {+ "number": "41",+ "name": "PC2",+ "type": "bidirectional",+ "description": "Port C2 is a 3.6 V tolerant I/O with USART1 receive, ADC1 input 6, comparator 1 positive input and internal voltage reference output."+ },+ {+ "number": "42",+ "name": "PC3",+ "type": "bidirectional",+ "description": "Port C3 is a 3.6 V tolerant I/O with USART1 transmit, ADC1 input 5, comparator 1 positive input and comparator 2 negative input."+ },+ {+ "number": "43",+ "name": "PC4",+ "type": "bidirectional",+ "description": "Port C4 is a 3.6 V tolerant I/O with USART1 synchronous clock, I2C1 SMBus, configurable clock output (CCO), ADC1 input 4, comparator 2 negative input and comparator 1 positive input."+ },+ {+ "number": "44",+ "name": "PC5",+ "type": "bidirectional",+ "description": "Port C5 is a 3.6 V tolerant I/O that also serves as LSE oscillator input (OSC32_IN), with SPI1 select and USART1 transmit as remappable alternate functions."+ },+ {+ "number": "45",+ "name": "PC6",+ "type": "bidirectional",+ "description": "Port C6 is a 3.6 V tolerant I/O that also serves as LSE oscillator output (OSC32_OUT), with SPI1 clock and USART1 receive as remappable alternate functions."+ },+ {+ "number": "46",+ "name": "PC7",+ "type": "bidirectional",+ "description": "Port C7 is a 3.6 V tolerant I/O with ADC1 input 3, comparator 2 negative input and comparator 1 positive input; LCD segment 25 is available only on STM8AL3Lxx."+ },+ {+ "number": "47",+ "name": "PE6",+ "type": "bidirectional",+ "description": "Port E6 is a 3.6 V tolerant I/O with PVD input (PVD_IN); LCD segment 26 is available only on STM8AL3Lxx."+ },+ {+ "number": "48",+ "name": "PE7",+ "type": "bidirectional",+ "description": "Port E7 is a 3.6 V tolerant I/O; LCD segment 27 is available only on STM8AL3Lxx."+ }+ ],+ "provenance": {+ "extractor": "extract_pins 0.3",+ "factory_chain": {+ "factory": "2.0.0",+ "extractor": "extract_pins 0.3",+ "primary_model": "claude-haiku-5-5",+ "primary_mode": "text",+ "consensus_model": "claude-sonnet-5-5",+ "consensus": "agreed",+ "guards": "pin_guards 0.1: passed",+ "guard_notes": [+ "extractor flagged: MPN decode: STM8AL3168TCY = STM8AL 31 6 8 T C Y → 'STM8AL31x8T' (standard, no LCD), 32 Kbyte Flash, ; Pin 13 is listed as 'Reserved' (footnote 8: available on STM8AL31xx only; footnote 1 of Figure 3: mu; Table 5 lists LCD alternate functions (LCD_SEG/LCD_COM, marked (2)) for pins 5-8, 14-19, 20-21, 22-2"+ ],+ "pages_sent": 44,+ "cost_usd": 0.2247,+ "at": "2026-10-08T04:53:39"+ },+ "datasheet": {+ "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588923687596658688",+ "pages": 123,+ "sha256": "c556f7a6ad75fcd6",+ "source_tier": "lcsc"+ },+ "cad": "KiCad official (CC-BY-SA 4.0)",+ "pins": {+ "total": 48,+ "described": 48,+ "cites_pages": true,+ "refuses_to_fabricate": true+ }+ },+ "viewers": {+ "symbol": "viewers/symbol.html",+ "footprint": "viewers/footprint.html"+ },+ "models_3d": [+ {+ "file": "stm8al3168tcy.step",+ "role": "plain",+ "up": "Z",+ "units": "mm",+ "origin": "footprint origin = pad-pattern centre",+ "seat": "z = 0",+ "extents_mm": [+ 9,+ 9,+ 1.5+ ],+ "zmin_mm": 0,+ "centre_offset_mm": 0,+ "footprint_binding": "identity",+ "sha256": "9dea352d93177c2904afd7d7b68ea8855ce1ab691f69f8b3e13655600514b6bf",+ "checked": "2026-10-08",+ "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"+ },+ {+ "file": "stm8al3168tcy-etched.step",+ "role": "eda",+ "up": "Z",+ "units": "mm",+ "origin": "footprint origin = pad-pattern centre",+ "seat": "z = 0",+ "extents_mm": [+ 9,+ 9,+ 1.5+ ],+ "zmin_mm": 0,+ "centre_offset_mm": 0,+ "footprint_binding": "identity",+ "sha256": "b7b2b06a0bc025616c11b1ad16dce41abc650824260cb2a5691c2b335fb5304e",+ "checked": "2026-10-08",+ "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"+ }+ ]+ },+ "visibility": "public",+ "org": "adom",+ "author": {+ "name": "Ray",+ "email": "[email protected]"+ }+}