component
STM8AL3L68TCY
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.
main
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{
"schema_version": 1,
"type": "component",
"slug": "stm8al3l68tcy",
"title": "STM8AL3L68TCY",
"brief": "STMicroelectronics Microcontrollers (MCU/MPU/SOC), LQFP-48(7x7). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"version": "0.1.0",
"license": "CC-BY-SA-4.0",
"tags": [
"component",
"embedded processors & controllers",
"stm8al3l68tcy",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "STM8AL3L68TCY",
"manufacturer": "STMicroelectronics",
"package": "LQFP-48(7x7)",
"pin_count": 48,
"category": "Embedded Processors & Controllers",
"subcategory": "Microcontrollers (MCU/MPU/SOC)",
"datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588923410483593216",
"parts": {
"symbol": "stm8al3l68tcy.kicad_sym",
"footprint": "stm8al3l68tcy.kicad_mod",
"model_3d": "stm8al3l68tcy-hero.glb",
"model_3d_plain": "stm8al3l68tcy.glb",
"model_3d_step": "stm8al3l68tcy-etched.step",
"model_3d_step_plain": "stm8al3l68tcy.step",
"lbr": "stm8al3l68tcy.lbr"
},
"distributor_links": {
"lcsc": "C1340718",
"digikey": "497-15824-ND",
"mouser": "511-STM8AL3L68TCY"
},
"distributor_check": {
"checked_at": "2026-10-07T21:54:02Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": "497-15824-ND",
"status": "found",
"lifecycle": "Active"
},
"mouser": {
"pn": "511-STM8AL3L68TCY",
"status": "found",
"lifecycle": "End of Life"
}
},
"pins": [
{
"number": "1",
"name": "PA0",
"type": "bidirectional",
"description": "Port A0 (input pull-up in and after reset) with SWIM input/output, [USART1_CK] remap, Beep output and IR timer output, high sink LED driver capability."
},
{
"number": "2",
"name": "NRST/PA1",
"type": "bidirectional",
"description": "Reset input with pull-up at power-up; usable only as push-pull output PA1, not as open drain or general purpose input."
},
{
"number": "3",
"name": "PA2",
"type": "bidirectional",
"description": "Port A2 with HSE oscillator input OSC_IN, [USART1_TX] and [SPI1_MISO] remap options."
},
{
"number": "4",
"name": "PA3",
"type": "bidirectional",
"description": "Port A3 with HSE oscillator output OSC_OUT, [USART1_RX] and [SPI1_MOSI] remap options."
},
{
"number": "5",
"name": "PA4",
"type": "bidirectional",
"description": "Port A4 (3.6 V tolerant) with TIM2_BKIN, LCD_COM0, ADC1_IN2 and COMP1_INP."
},
{
"number": "6",
"name": "PA5",
"type": "bidirectional",
"description": "Port A5 (3.6 V tolerant) with TIM3_BKIN, LCD_COM1, ADC1_IN1 and COMP1_INP."
},
{
"number": "7",
"name": "PA6",
"type": "bidirectional",
"description": "Port A6 (3.6 V tolerant) with [ADC1_TRIG], LCD_COM2, ADC1_IN0 and COMP1_INP."
},
{
"number": "8",
"name": "PA7",
"type": "bidirectional",
"description": "Port A7 (five-volt tolerant) with LCD segment 0."
},
{
"number": "9",
"name": "VSS1/VSSA/VREF-",
"type": "power_in",
"description": "I/O ground, analog ground and ADC1 negative voltage reference."
},
{
"number": "10",
"name": "VDD1",
"type": "power_in",
"description": "Digital power supply."
},
{
"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": "VLCD",
"type": "passive",
"description": "LCD booster external capacitor pin (STM8AL3Lxx); the same pin is Reserved and must be tied to VDD on STM8AL31xx."
},
{
"number": "14",
"name": "PE0",
"type": "bidirectional",
"description": "Port E0 (five-volt tolerant) with LCD segment 1."
},
{
"number": "15",
"name": "PE1",
"type": "bidirectional",
"description": "Port E1 (3.6 V tolerant) with TIM1_CH2N and LCD segment 2."
},
{
"number": "16",
"name": "PE2",
"type": "bidirectional",
"description": "Port E2 (3.6 V tolerant) with TIM1_CH3N and LCD segment 3."
},
{
"number": "17",
"name": "PE3",
"type": "bidirectional",
"description": "Port E3 (3.6 V tolerant) with LCD segment 4."
},
{
"number": "18",
"name": "PE4",
"type": "bidirectional",
"description": "Port E4 (3.6 V tolerant) with LCD segment 5."
},
{
"number": "19",
"name": "PE5",
"type": "bidirectional",
"description": "Port E5 (3.6 V tolerant) with LCD segment 6, ADC1_IN23, COMP2_INP and COMP1_INP."
},
{
"number": "20",
"name": "PD0",
"type": "bidirectional",
"description": "Port D0 (3.6 V tolerant) with TIM3_CH2, [ADC1_TRIG], LCD segment 7, ADC1_IN22, COMP2_INP and COMP1_INP."
},
{
"number": "21",
"name": "PD1",
"type": "bidirectional",
"description": "Port D1 (3.6 V tolerant) with TIM3_ETR, LCD_COM3, ADC1_IN21, COMP2_INP and COMP1_INP."
},
{
"number": "22",
"name": "PD2",
"type": "bidirectional",
"description": "Port D2 (3.6 V tolerant) with TIM1_CH1, LCD segment 8, ADC1_IN20 and COMP1_INP."
},
{
"number": "23",
"name": "PD3",
"type": "bidirectional",
"description": "Port D3 (3.6 V tolerant) with TIM1_ETR, LCD segment 9, ADC1_IN19 and COMP1_INP."
},
{
"number": "24",
"name": "PB0",
"type": "bidirectional",
"description": "Port B0 (3.6 V tolerant, pull-up applied during reset, floating input after) with TIM2_CH1, LCD segment 10, ADC1_IN18 and COMP1_INP."
},
{
"number": "25",
"name": "PB1",
"type": "bidirectional",
"description": "Port B1 (3.6 V tolerant) with TIM3_CH1, LCD segment 11, ADC1_IN17 and COMP1_INP."
},
{
"number": "26",
"name": "PB2",
"type": "bidirectional",
"description": "Port B2 (3.6 V tolerant) with TIM2_CH2, LCD segment 12, ADC1_IN16 and COMP1_INP."
},
{
"number": "27",
"name": "PB3",
"type": "bidirectional",
"description": "Port B3 (3.6 V tolerant) with TIM2_ETR, LCD segment 13, ADC1_IN15 and COMP1_INP."
},
{
"number": "28",
"name": "PB4",
"type": "bidirectional",
"description": "Port B4 (3.6 V tolerant, pull-up during reset) with [SPI1_NSS], LCD segment 14, ADC1_IN14 and COMP1_INP."
},
{
"number": "29",
"name": "PB5",
"type": "bidirectional",
"description": "Port B5 (3.6 V tolerant) with [SPI1_SCK], LCD segment 15, ADC1_IN13 and COMP1_INP."
},
{
"number": "30",
"name": "PB6",
"type": "bidirectional",
"description": "Port B6 (3.6 V tolerant) with [SPI1_MOSI], LCD segment 16, ADC1_IN12 and COMP1_INP."
},
{
"number": "31",
"name": "PB7",
"type": "bidirectional",
"description": "Port B7 (3.6 V tolerant) with [SPI1_MISO], LCD segment 17, ADC1_IN11 and COMP1_INP."
},
{
"number": "32",
"name": "PF0",
"type": "bidirectional",
"description": "Port F0 (3.6 V tolerant) with ADC1_IN24 and DAC_OUT."
},
{
"number": "33",
"name": "PD4",
"type": "bidirectional",
"description": "Port D4 (3.6 V tolerant) with TIM1_CH2, LCD segment 18, ADC1_IN10 and COMP1_INP."
},
{
"number": "34",
"name": "PD5",
"type": "bidirectional",
"description": "Port D5 (3.6 V tolerant) with TIM1_CH3, LCD segment 19, ADC1_IN9 and COMP1_INP."
},
{
"number": "35",
"name": "PD6",
"type": "bidirectional",
"description": "Port D6 (3.6 V tolerant) with TIM1_BKIN, LCD segment 20, ADC1_IN8, RTC_CALIB, VREFINT output and COMP1_INP."
},
{
"number": "36",
"name": "PD7",
"type": "bidirectional",
"description": "Port D7 (3.6 V tolerant) with TIM1_CH1N, LCD segment 21, ADC1_IN7, RTC_ALARM, VREFINT output and COMP1_INP."
},
{
"number": "37",
"name": "PC0",
"type": "bidirectional",
"description": "Port C0 (five-volt tolerant, true open drain) with I2C1_SDA data."
},
{
"number": "38",
"name": "PC1",
"type": "bidirectional",
"description": "Port C1 (five-volt tolerant, true open drain) with I2C1_SCL clock."
},
{
"number": "39",
"name": "VDD2",
"type": "power_in",
"description": "IOs supply voltage."
},
{
"number": "40",
"name": "VSS2",
"type": "power_in",
"description": "IOs ground voltage."
},
{
"number": "41",
"name": "PC2",
"type": "bidirectional",
"description": "Port C2 (3.6 V tolerant) with USART1_RX, LCD segment 22, ADC1_IN6, COMP1_INP and VREFINT output."
},
{
"number": "42",
"name": "PC3",
"type": "bidirectional",
"description": "Port C3 (3.6 V tolerant) with USART1_TX, LCD segment 23, ADC1_IN5, COMP1_INP and COMP2_INM."
},
{
"number": "43",
"name": "PC4",
"type": "bidirectional",
"description": "Port C4 (3.6 V tolerant) with USART1_CK, I2C1_SMB, CCO, LCD segment 24, ADC1_IN4, COMP2_INM and COMP1_INP."
},
{
"number": "44",
"name": "PC5",
"type": "bidirectional",
"description": "Port C5 with LSE oscillator input OSC32_IN, [SPI1_NSS] and [USART1_TX] remap options."
},
{
"number": "45",
"name": "PC6",
"type": "bidirectional",
"description": "Port C6 with LSE oscillator output OSC32_OUT, [SPI1_SCK] and [USART1_RX] remap options."
},
{
"number": "46",
"name": "PC7",
"type": "bidirectional",
"description": "Port C7 (3.6 V tolerant) with LCD segment 25, ADC1_IN3, COMP2_INM and COMP1_INP."
},
{
"number": "47",
"name": "PE6",
"type": "bidirectional",
"description": "Port E6 (3.6 V tolerant) with LCD segment 26 and PVD_IN."
},
{
"number": "48",
"name": "PE7",
"type": "bidirectional",
"description": "Port E7 (3.6 V tolerant) with LCD segment 27."
}
],
"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: The Figure 4 pin-position text is scrambled in the extracted datasheet, so the pin-to-number mapping; Table 5 extraction was ambiguous for pins 3 and 4 (printed as '32 2' and '43 3') and for the non-LCD; Pin 13 is VLCD only on the LCD variant (STM8AL3Lx8T), which matches the MPN (3L, 8 = 48 pins, T = LQ"
],
"pages_sent": 44,
"cost_usd": 0.2295,
"at": "2026-10-07T21:53:37"
},
"datasheet": {
"url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588923410483593216",
"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": "stm8al3l68tcy.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": "2026-10-07",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "stm8al3l68tcy-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": "6e46d120f782cf400d582d71059c63aeeab6cb3aa6fa2ed657a098d44d65fcac",
"checked": "2026-10-07",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
},
"metadata": {
"specs": {
"Manufacturer": "STMicroelectronics",
"Package": "LQFP-48(7x7)",
"Category": "Embedded Processors & Controllers",
"Pins": "48"
}
},
"variants": [],
"sections": [
"hero",
"viewers",
"readme",
"breadcrumbs",
"info"
],
"discovery_triggers": [
"stm8al3l68tcy"
],
"discovery_pitch": "STM8AL3L68TCY (STMicroelectronics) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
"author": {
"name": "Ray",
"email": "[email protected]"
},
"dependencies": {},
"hero": {
"type": "image",
"path": "docs/hero.png"
},
"files": [
"page.json",
"README.md",
"stm8al3l68tcy.kicad_sym",
"stm8al3l68tcy.kicad_mod",
"stm8al3l68tcy.glb",
"stm8al3l68tcy.step",
"stm8al3l68tcy.lbr",
"docs/hero.png",
"docs/stm8al3l68tcy-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html",
"stm8al3l68tcy-hero.glb",
"stm8al3l68tcy-hero.overlay.json"
],
"visibility": {
"public": true
}
}