component
STC12C5628AD-35I-LQFP32
Public Made by Adomby adom
STC Micro Microcontroller Units (MCUs/MPUs/SOCs), LQFP-32(7x7). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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{
"slug": "stc12c5628ad-35i-lqfp32",
"version": "0.1.0",
"type": "component",
"description": "STC Micro Microcontroller Units (MCUs/MPUs/SOCs), LQFP-32(7x7). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"tags": [
"component",
"embedded processors & controllers",
"stc12c5628ad-35i-lqfp32",
"factory-2.0.0",
"extractor-text"
],
"dependencies": {},
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"path": "docs/hero.png"
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"files": [
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"README.md",
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"component": {
"mpn": "STC12C5628AD-35I-LQFP32",
"manufacturer": "STC Micro",
"package": "LQFP-32(7x7)",
"pin_count": 32,
"category": "Embedded Processors & Controllers",
"subcategory": "Microcontroller Units (MCUs/MPUs/SOCs)",
"datasheet": "https://datasheet.lcsc.com/datasheet/pdf/a436178e6f274d32957c267bb6b02700.pdf",
"parts": {
"symbol": "stc12c5628ad-35i-lqfp32.kicad_sym",
"footprint": "stc12c5628ad-35i-lqfp32.kicad_mod",
"model_3d": "stc12c5628ad-35i-lqfp32-hero.glb",
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"model_3d_step_plain": "stc12c5628ad-35i-lqfp32.step",
"lbr": "stc12c5628ad-35i-lqfp32.lbr"
},
"distributor_links": {
"lcsc": "C8701"
},
"distributor_check": {
"checked_at": "2026-10-26T18:29:29Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": null,
"status": "no match"
},
"mouser": {
"pn": null,
"status": "no match"
}
},
"pins": [
{
"number": "1",
"name": "P3.1/TxD",
"type": "bidirectional",
"description": "Standard I/O port P3.1, alternate function UART serial data transmit (TxD)."
},
{
"number": "2",
"name": "P0.0",
"type": "bidirectional",
"description": "Standard I/O port PORT0[0]."
},
{
"number": "3",
"name": "XTAL2",
"type": "output",
"description": "Output of the internal clock inverting amplifier, connects to the other crystal terminal; may be left floating when an external clock drives XTAL1."
},
{
"number": "4",
"name": "XTAL1",
"type": "input",
"description": "Input of the internal clock inverting amplifier, connects to one crystal pin or serves as the external clock source input."
},
{
"number": "5",
"name": "P3.2/INT0",
"type": "bidirectional",
"description": "Standard I/O port P3.2, alternate function external interrupt 0 (falling-edge or low-level triggered)."
},
{
"number": "6",
"name": "P0.1",
"type": "bidirectional",
"description": "Standard I/O port PORT0[1]."
},
{
"number": "7",
"name": "P3.3/INT1",
"type": "bidirectional",
"description": "Standard I/O port P3.3, alternate function external interrupt 1 (falling-edge or low-level triggered)."
},
{
"number": "8",
"name": "P3.4/T0/ECI",
"type": "bidirectional",
"description": "Standard I/O port P3.4, alternate functions Timer/Counter 0 external input (T0) and PCA counter external pulse input (ECI)."
},
{
"number": "9",
"name": "P3.5/T1/PCA1/PWM1",
"type": "bidirectional",
"description": "Standard I/O port P3.5, alternate functions Timer/Counter 1 external input (T1), PCA output 1 and PWM output 1."
},
{
"number": "10",
"name": "P2.4/PCA3/PWM3",
"type": "bidirectional",
"description": "Standard I/O port P2.4, alternate functions PCA output 3 and PWM output 3."
},
{
"number": "11",
"name": "P2.5",
"type": "bidirectional",
"description": "Standard I/O port PORT2[5]."
},
{
"number": "12",
"name": "GND",
"type": "power_in",
"description": "Power negative terminal, ground."
},
{
"number": "13",
"name": "P2.6",
"type": "bidirectional",
"description": "Standard I/O port PORT2[6]."
},
{
"number": "14",
"name": "P2.7",
"type": "bidirectional",
"description": "Standard I/O port PORT2[7]."
},
{
"number": "15",
"name": "P3.7/PCA0/PWM0",
"type": "bidirectional",
"description": "Standard I/O port P3.7, alternate functions PCA output 0 and PWM output 0."
},
{
"number": "16",
"name": "P1.0/ADC0/CLKOUT0",
"type": "bidirectional",
"description": "Standard I/O port P1.0, ADC input channel 0, or Timer 0 clock output CLKOUT0 when enabled via WAKE_CLKO[0]/T0CLKO."
},
{
"number": "17",
"name": "P1.1/ADC1/CLKOUT1",
"type": "bidirectional",
"description": "Standard I/O port P1.1, ADC input channel 1, or Timer 1 clock output CLKOUT1 when enabled via WAKE_CLKO[1]/T1CLKO."
},
{
"number": "18",
"name": "P1.2/ADC2",
"type": "bidirectional",
"description": "Standard I/O port P1.2 and ADC input channel 2."
},
{
"number": "19",
"name": "P0.2",
"type": "bidirectional",
"description": "Standard I/O port PORT0[2]."
},
{
"number": "20",
"name": "P1.3/ADC3",
"type": "bidirectional",
"description": "Standard I/O port P1.3 and ADC input channel 3."
},
{
"number": "21",
"name": "P1.4/ADC4/SS",
"type": "bidirectional",
"description": "Standard I/O port P1.4, ADC input channel 4, or SPI slave select (SS)."
},
{
"number": "22",
"name": "P0.3",
"type": "bidirectional",
"description": "Standard I/O port PORT0[3]."
},
{
"number": "23",
"name": "P1.5/ADC5/MOSI",
"type": "bidirectional",
"description": "Standard I/O port P1.5, ADC input channel 5, or SPI master-out slave-in (MOSI)."
},
{
"number": "24",
"name": "P1.6/ADC6/MISO",
"type": "bidirectional",
"description": "Standard I/O port P1.6, ADC input channel 6, or SPI master-in slave-out (MISO)."
},
{
"number": "25",
"name": "P1.7/ADC7/SCLK",
"type": "bidirectional",
"description": "Standard I/O port P1.7, ADC input channel 7, or SPI clock (SCLK)."
},
{
"number": "26",
"name": "P2.0/PCA2/PWM2",
"type": "bidirectional",
"description": "Standard I/O port P2.0, alternate functions PCA output 2 and PWM output 2."
},
{
"number": "27",
"name": "P2.1",
"type": "bidirectional",
"description": "Standard I/O port PORT2[1]."
},
{
"number": "28",
"name": "VCC",
"type": "power_in",
"description": "Power positive terminal."
},
{
"number": "29",
"name": "P2.2",
"type": "bidirectional",
"description": "Standard I/O port PORT2[2]."
},
{
"number": "30",
"name": "P2.3",
"type": "bidirectional",
"description": "Standard I/O port PORT2[3]."
},
{
"number": "31",
"name": "RST",
"type": "input",
"description": "Reset pin; held high for at least 24 clocks plus 10us it resets the MCU."
},
{
"number": "32",
"name": "P3.0/RxD",
"type": "bidirectional",
"description": "Standard I/O port P3.0, alternate function UART serial data receive (RxD)."
}
],
"provenance": {
"extractor": "extract_pins 0.3",
"factory_chain": {
"factory": "2.0.0",
"extractor": "extract_pins 0.3",
"primary_model": "claude-sonnet-5-5",
"primary_mode": "text",
"consensus_model": "claude-sonnet-5-5",
"consensus": "agreed",
"guards": "pin_guards 0.1: passed",
"guard_notes": [
"extractor flagged: The pin table on page 20 lists P1.7/ADC7/SCLK as LQFP32 pin 15, which duplicates P3.7 (pin 15). Pin ",
"1/32 pins cited to the wrong page (name found elsewhere): ['4:XTAL1@p21']"
],
"pages_sent": 92,
"cost_usd": 0.6973,
"at": "2026-10-26T18:29:12"
},
"datasheet": {
"url": "https://datasheet.lcsc.com/datasheet/pdf/a436178e6f274d32957c267bb6b02700.pdf",
"pages": 449,
"sha256": "05a166d7771d925a",
"source_tier": "lcsc"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 32,
"described": 32,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
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"footprint": "viewers/footprint.html"
},
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"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
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"zmin_mm": 0.0,
"centre_offset_mm": 0.0,
"footprint_binding": "identity",
"sha256": "be0e412f1c66fee70039b0e109e0cc7c823161dda97593718afa97569bc61ce3",
"checked": "2026-10-26",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "stc12c5628ad-35i-lqfp32-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
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"footprint_binding": "identity",
"sha256": "ee1a9ac343360c1b27e80ad78bde8882c937502e8e16870416cc637956d35624",
"checked": "2026-10-26",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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}
}