component
STM8S105S6T3C
Public Made by Adomby adom
STMicroelectronics Microcontrollers (MCU/MPU/SOC), LQFP-44(10x10). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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{
"schema_version": 1,
"type": "component",
"slug": "stm8s105s6t3c",
"title": "STM8S105S6T3C",
"brief": "STMicroelectronics Microcontrollers (MCU/MPU/SOC), LQFP-44(10x10). 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",
"stm8s105s6t3c",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "STM8S105S6T3C",
"manufacturer": "STMicroelectronics",
"package": "LQFP-44(10x10)",
"pin_count": 44,
"category": "Embedded Processors & Controllers",
"subcategory": "Microcontrollers (MCU/MPU/SOC)",
"datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588922896231751680",
"parts": {
"symbol": "stm8s105s6t3c.kicad_sym",
"footprint": "stm8s105s6t3c.kicad_mod",
"model_3d": "stm8s105s6t3c-hero.glb",
"model_3d_plain": "stm8s105s6t3c.glb",
"model_3d_step": "stm8s105s6t3c-etched.step",
"model_3d_step_plain": "stm8s105s6t3c.step",
"lbr": "stm8s105s6t3c.lbr"
},
"distributor_links": {
"lcsc": "C1340402",
"digikey": "497-11586-ND",
"mouser": "511-STM8S105S6T3C"
},
"distributor_check": {
"checked_at": "2026-10-08T01:18:17Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": "497-11586-ND",
"status": "found",
"lifecycle": "Active"
},
"mouser": {
"pn": "511-STM8S105S6T3C",
"status": "found"
}
},
"pins": [
{
"number": "1",
"name": "NRST",
"type": "bidirectional",
"description": "Reset pin (main function reset) with I/O type and weak pull-up (wpu) as listed in the pin description table."
},
{
"number": "2",
"name": "PA1/OSCIN",
"type": "bidirectional",
"description": "Port A1 I/O (slow O1 output, weak pull-up and floating input options, external interrupt) with alternate function resonator/crystal input OSCIN."
},
{
"number": "3",
"name": "PA2/OSCOUT",
"type": "bidirectional",
"description": "Port A2 I/O (slow O1 output, weak pull-up and floating input options, external interrupt) with alternate function resonator/crystal output OSCOUT."
},
{
"number": "4",
"name": "VSSIO_1",
"type": "power_in",
"description": "I/O ground."
},
{
"number": "5",
"name": "VSS",
"type": "power_in",
"description": "Digital ground."
},
{
"number": "6",
"name": "VCAP",
"type": "passive",
"description": "1.8 V regulator capacitor connection."
},
{
"number": "7",
"name": "VDD",
"type": "power_in",
"description": "Digital power supply."
},
{
"number": "8",
"name": "VDDIO_1",
"type": "power_in",
"description": "I/O power supply."
},
{
"number": "9",
"name": "PA4",
"type": "bidirectional",
"description": "Port A4 I/O with high sink capability, fast/slow programmable output speed (O3), weak pull-up and floating input options, and external interrupt."
},
{
"number": "10",
"name": "PA5",
"type": "bidirectional",
"description": "Port A5 I/O with high sink capability, fast/slow programmable output speed (O3), weak pull-up and floating input options, and external interrupt."
},
{
"number": "11",
"name": "PA6",
"type": "bidirectional",
"description": "Port A6 I/O with high sink capability, fast/slow programmable output speed (O3), weak pull-up and floating input options, and external interrupt."
},
{
"number": "12",
"name": "VDDA",
"type": "power_in",
"description": "Analog power supply."
},
{
"number": "13",
"name": "VSSA",
"type": "power_in",
"description": "Analog ground."
},
{
"number": "14",
"name": "PB7/AIN7",
"type": "bidirectional",
"description": "Port B7 I/O with analog input 7 for the ADC, slow O1 output, weak pull-up and floating input options, and external interrupt."
},
{
"number": "15",
"name": "PB6/AIN6",
"type": "bidirectional",
"description": "Port B6 I/O with analog input 6 for the ADC, slow O1 output, weak pull-up and floating input options, and external interrupt."
},
{
"number": "16",
"name": "PB5/AIN5/I2C_SDA",
"type": "bidirectional",
"description": "Port B5 I/O with analog input 5 for the ADC; alternate function I2C_SDA is available when option AFR6 is set."
},
{
"number": "17",
"name": "PB4/AIN4/I2C_SCL",
"type": "bidirectional",
"description": "Port B4 I/O with analog input 4 for the ADC; alternate function I2C_SCL is available when option AFR6 is set."
},
{
"number": "18",
"name": "PB3/AIN3/TIM1_ETR",
"type": "bidirectional",
"description": "Port B3 I/O with analog input 3 for the ADC; alternate function TIM1_ETR is available when option AFR5 is set."
},
{
"number": "19",
"name": "PB2/AIN2/TIM1_CH3N",
"type": "bidirectional",
"description": "Port B2 I/O with analog input 2 for the ADC; alternate function TIM1_CH3N is available when option AFR5 is set."
},
{
"number": "20",
"name": "PB1/AIN1/TIM1_CH2N",
"type": "bidirectional",
"description": "Port B1 I/O with analog input 1 for the ADC; alternate function TIM1_CH2N is available when option AFR5 is set."
},
{
"number": "21",
"name": "PB0/AIN0/TIM1_CH1N",
"type": "bidirectional",
"description": "Port B0 I/O with analog input 0 for the ADC; alternate function TIM1_CH1N is available when option AFR5 is set."
},
{
"number": "22",
"name": "PE6/AIN9",
"type": "bidirectional",
"description": "Port E6 I/O with analog input 9; in the 44-pin package AIN9 cannot be used in ADC scan mode."
},
{
"number": "23",
"name": "PE5/SPI_NSS",
"type": "bidirectional",
"description": "Port E5 I/O with alternate function SPI master/slave select (NSS) and external interrupt."
},
{
"number": "24",
"name": "PC1/TIM1_CH1/UART2_CK",
"type": "bidirectional",
"description": "Port C1 I/O with high sink capability and fast/slow programmable speed (O3); alternate functions are TIM1_CH1 and the UART2 synchronous clock UART2_CK."
},
{
"number": "25",
"name": "PC2/TIM1_CH2",
"type": "bidirectional",
"description": "Port C2 I/O with high sink capability and fast/slow programmable speed (O3); alternate function is TIM1_CH2."
},
{
"number": "26",
"name": "PC3/TIM1_CH3",
"type": "bidirectional",
"description": "Port C3 I/O with high sink capability and fast/slow programmable speed (O3); alternate function is TIM1_CH3."
},
{
"number": "27",
"name": "PC5/SPI_SCK",
"type": "bidirectional",
"description": "Port C5 I/O with high sink capability and fast/slow programmable speed (O3); alternate function is the SPI clock SPI_SCK."
},
{
"number": "28",
"name": "VSSIO_2",
"type": "power_in",
"description": "I/O ground."
},
{
"number": "29",
"name": "VDDIO_2",
"type": "power_in",
"description": "I/O power supply."
},
{
"number": "30",
"name": "PC6/SPI_MOSI",
"type": "bidirectional",
"description": "Port C6 I/O with high sink capability and fast/slow programmable speed (O3); alternate function is SPI master out / slave in (SPI_MOSI)."
},
{
"number": "31",
"name": "PC7/SPI_MISO",
"type": "bidirectional",
"description": "Port C7 I/O with high sink capability and fast/slow programmable speed (O3); alternate function is SPI master in / slave out (SPI_MISO)."
},
{
"number": "32",
"name": "PG0",
"type": "bidirectional",
"description": "Port G0 I/O with slow O1 output, weak pull-up and floating input options, and external interrupt; no alternate function listed."
},
{
"number": "33",
"name": "PG1",
"type": "bidirectional",
"description": "Port G1 I/O with slow O1 output, weak pull-up and floating input options, and external interrupt; no alternate function listed."
},
{
"number": "34",
"name": "PE2/I2C_SDA",
"type": "bidirectional",
"description": "Port E2 I/O configured as a true open-drain pin (no P-buffer, weak pull-up or protection diode to VDD) carrying the I2C data line I2C_SDA."
},
{
"number": "35",
"name": "PE1/I2C_SCL",
"type": "bidirectional",
"description": "Port E1 I/O configured as a true open-drain pin (no P-buffer, weak pull-up or protection diode to VDD) carrying the I2C clock line I2C_SCL."
},
{
"number": "36",
"name": "PE0/CLK_CCO",
"type": "bidirectional",
"description": "Port E0 I/O with high sink capability and fast/slow programmable speed (O3); alternate function is the configurable clock output CLK_CCO."
},
{
"number": "37",
"name": "PD0/TIM3_CH2/TIM1_BKIN/CLK_CCO",
"type": "bidirectional",
"description": "Port D0 I/O with high sink capability; alternate function TIM3_CH2 by default, with TIM1_BKIN (option AFR3) or CLK_CCO (option AFR2) after remapping, where AFR2 takes priority over AFR3."
},
{
"number": "38",
"name": "PD1/SWIM",
"type": "bidirectional",
"description": "Port D1 I/O with high sink capability and fast/slow programmable speed (O4), used as the SWIM single-wire debug data interface; the pin is input pull-up during reset and after internal reset release."
},
{
"number": "39",
"name": "PD2/TIM3_CH1/TIM2_CH3",
"type": "bidirectional",
"description": "Port D2 I/O with high sink capability and fast/slow programmable speed (O3); alternate function TIM3_CH1 by default, with TIM2_CH3 available after option AFR1 remapping."
},
{
"number": "40",
"name": "PD3/TIM2_CH2/ADC_ETR",
"type": "bidirectional",
"description": "Port D3 I/O with high sink capability and fast/slow programmable speed (O3); alternate function TIM2_CH2 by default, with ADC_ETR available after option AFR0 remapping."
},
{
"number": "41",
"name": "PD4/TIM2_CH1/BEEP",
"type": "bidirectional",
"description": "Port D4 I/O with high sink capability and fast/slow programmable speed (O3); alternate function TIM2_CH1 by default, with the BEEP output available after option AFR7 remapping."
},
{
"number": "42",
"name": "PD5/UART2_TX",
"type": "bidirectional",
"description": "Port D5 I/O with slow O1 output, weak pull-up and floating input options, and external interrupt; alternate function is the UART2 data transmit output UART2_TX."
},
{
"number": "43",
"name": "PD6/UART2_RX",
"type": "bidirectional",
"description": "Port D6 I/O with slow O1 output, weak pull-up and floating input options, and external interrupt; alternate function is the UART2 data receive input UART2_RX."
},
{
"number": "44",
"name": "PD7/TLI/TIM1_CH4",
"type": "bidirectional",
"description": "Port D7 I/O with slow O1 output, weak pull-up and floating input options, and external interrupt; alternate function is the top level interrupt input TLI, with TIM1_CH4 available after option AFR4 remapping."
}
],
"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: Package selection: MPN STM8S105S6T3C decodes as S = 44-pin, 6 = 32 Kbyte Flash, T = LQFP, 3 = -40 to; Pins 1-44 all assigned: the datasheet's LQFP44 column in Table 5 contains exactly 44 entries. Pins n; Type judgement: NRST is listed as I/O in Table 5 and was classed as bidirectional; VCAP is a regulat"
],
"pages_sent": 55,
"cost_usd": 0.2237,
"at": "2026-10-08T01:17:54"
},
"datasheet": {
"url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588922896231751680",
"pages": 121,
"sha256": "b1007bc27bb78327",
"source_tier": "lcsc"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 44,
"described": 44,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
"symbol": "viewers/symbol.html",
"footprint": "viewers/footprint.html"
},
"models_3d": [
{
"file": "stm8s105s6t3c.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
12,
12,
1.5
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "81aae6270b5c742bed79a8a35e9adf7fbed97c42e341e6b25ab20c1783b93b5d",
"checked": "2026-10-08",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "stm8s105s6t3c-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
12,
12,
1.5
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "be707b1bf63ac752a29c988ad856cea3722061e90258783b0f826d5bc13f70b7",
"checked": "2026-10-08",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
},
"metadata": {
"specs": {
"Manufacturer": "STMicroelectronics",
"Package": "LQFP-44(10x10)",
"Category": "Embedded Processors & Controllers",
"Pins": "44"
}
},
"variants": [],
"sections": [
"hero",
"viewers",
"readme",
"breadcrumbs",
"info"
],
"discovery_triggers": [
"stm8s105s6t3c"
],
"discovery_pitch": "STM8S105S6T3C (STMicroelectronics) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
"author": {
"name": "Ray",
"email": "[email protected]"
},
"dependencies": {},
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"path": "docs/hero.png"
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"files": [
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