component
STC8C2K32S2-36I-LQFP32
Public Made by Adomby adom
STC Micro Microcontrollers (MCU/MPU/SOC), LQFP-32(7x7). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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"type": "component",
"description": "STC Micro Microcontrollers (MCU/MPU/SOC), LQFP-32(7x7). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"tags": [
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"embedded processors & controllers",
"stc8c2k32s2-36i-lqfp32",
"factory-2.0.0",
"extractor-text"
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"dependencies": {},
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"component": {
"mpn": "STC8C2K32S2-36I-LQFP32",
"manufacturer": "STC Micro",
"package": "LQFP-32(7x7)",
"pin_count": 32,
"category": "Embedded Processors & Controllers",
"subcategory": "Microcontrollers (MCU/MPU/SOC)",
"datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8589834966927777792",
"parts": {
"symbol": "stc8c2k32s2-36i-lqfp32.kicad_sym",
"footprint": "stc8c2k32s2-36i-lqfp32.kicad_mod",
"model_3d": "stc8c2k32s2-36i-lqfp32-hero.glb",
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"lbr": "stc8c2k32s2-36i-lqfp32.lbr"
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"distributor_links": {
"lcsc": "C3013121"
},
"distributor_check": {
"checked_at": "2026-10-20T21:12:23Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": null,
"status": "no match"
},
"mouser": {
"pn": null,
"status": "no match"
}
},
"pins": [
{
"number": "1",
"name": "P1.0",
"type": "bidirectional",
"description": "Standard bidirectional I/O port P1.0 that can also serve as the UART2 receive pin RxD2; port modes are quasi-bidirectional, push-pull, high-impedance input and open-drain, and all I/O is high-impedance input after power-up except P3.0 and P3.1."
},
{
"number": "2",
"name": "P1.1",
"type": "bidirectional",
"description": "Standard bidirectional I/O port P1.1 that can also serve as the UART2 transmit pin TxD2 (output)."
},
{
"number": "3",
"name": "P1.2",
"type": "bidirectional",
"description": "Standard bidirectional I/O port P1.2 that can also serve as the SPI slave select input SS (master output) or the Timer 2 external clock input T2."
},
{
"number": "4",
"name": "P1.3",
"type": "bidirectional",
"description": "Standard bidirectional I/O port P1.3 that can also serve as the SPI MOSI data line or the Timer 2 clock divided output T2CLKO."
},
{
"number": "5",
"name": "P1.4",
"type": "bidirectional",
"description": "Standard bidirectional I/O port P1.4 that can also serve as the SPI MISO data line or the I2C data line SDA."
},
{
"number": "6",
"name": "P1.5",
"type": "bidirectional",
"description": "Standard bidirectional I/O port P1.5 that can also serve as the SPI clock SCLK or the I2C clock line SCL."
},
{
"number": "7",
"name": "P1.6",
"type": "bidirectional",
"description": "Standard bidirectional I/O port P1.6 that can also serve as the UART1 receive pin RxD_3, the external crystal output XTALO, or the main clock divided output MCLKO_2."
},
{
"number": "8",
"name": "P1.7",
"type": "bidirectional",
"description": "Standard bidirectional I/O port P1.7 that can also serve as the UART1 transmit pin TxD_3 or the external crystal/external clock input XTALI."
},
{
"number": "9",
"name": "P5.4",
"type": "bidirectional",
"description": "Standard I/O port P5.4 that can be configured as the active-low reset input RST (P54RST) or as the main clock divided output MCLKO; its internal 4K pull-up stays on when used as RST."
},
{
"number": "10",
"name": "Vcc",
"type": "power_in",
"description": "Power supply pin; the datasheet specifies an operating voltage of 1.9V to 5.5V."
},
{
"number": "11",
"name": "P5.5",
"type": "bidirectional",
"description": "Standard bidirectional I/O port P5.5."
},
{
"number": "12",
"name": "Gnd",
"type": "power_in",
"description": "Ground pin."
},
{
"number": "13",
"name": "P3.0",
"type": "bidirectional",
"description": "Standard I/O port P3.0 that is quasi-bidirectional with weak pull-up after power-up, and can also serve as UART1 receive RxD or external interrupt INT4; it is also one of the ISP/USB download-mode strap pins (P3.0/P3.1/P3.2 must not all be low at power-on if USB download is not used)."
},
{
"number": "14",
"name": "P3.1",
"type": "bidirectional",
"description": "Standard I/O port P3.1 that is quasi-bidirectional with weak pull-up after power-up, and can also serve as UART1 transmit pin TxD (output); it is also one of the ISP/USB download-mode strap pins."
},
{
"number": "15",
"name": "P3.2",
"type": "bidirectional",
"description": "Standard I/O port P3.2 that can also serve as external interrupt INT0, the SPI clock SCLK_4 or the I2C clock I2CSCL_4; it is the ISP download-mode strap pin."
},
{
"number": "16",
"name": "P3.3",
"type": "bidirectional",
"description": "Standard I/O port P3.3 that can also serve as external interrupt INT1, the SPI MISO_4 line or the I2C data line I2CSDA_4."
},
{
"number": "17",
"name": "P3.4",
"type": "bidirectional",
"description": "Standard I/O port P3.4 that can also serve as Timer 0 external clock T0, Timer 1 clock output T1CLKO, SPI MOSI_4 or comparator output CMPO."
},
{
"number": "18",
"name": "P3.5",
"type": "bidirectional",
"description": "Standard I/O port P3.5 that can also serve as Timer 1 external clock T1, Timer 0 clock output T0CLKO or SPI slave select SS_4."
},
{
"number": "19",
"name": "P3.6",
"type": "bidirectional",
"description": "Standard I/O port P3.6 that can also serve as external interrupt INT2 (falling edge only), the UART1 receive pin RxD_2 or the comparator negative input CMP-."
},
{
"number": "20",
"name": "P3.7",
"type": "bidirectional",
"description": "Standard I/O port P3.7 that can also serve as external interrupt INT3 (falling edge only), the UART1 transmit pin TxD_2 or the comparator positive input CMP+."
},
{
"number": "21",
"name": "P2.0",
"type": "bidirectional",
"description": "Standard bidirectional I/O port P2.0."
},
{
"number": "22",
"name": "P2.1",
"type": "bidirectional",
"description": "Standard bidirectional I/O port P2.1."
},
{
"number": "23",
"name": "P2.2",
"type": "bidirectional",
"description": "Standard bidirectional I/O port P2.2 that can also serve as the SPI slave select SS_2 (second SPI pin group)."
},
{
"number": "24",
"name": "P2.3",
"type": "bidirectional",
"description": "Standard bidirectional I/O port P2.3 that can also serve as the SPI MOSI_2 data line (second SPI pin group)."
},
{
"number": "25",
"name": "P2.4",
"type": "bidirectional",
"description": "Standard bidirectional I/O port P2.4 that can also serve as the SPI MISO_2 line or the I2C data line I2CSDA_2."
},
{
"number": "26",
"name": "P2.5",
"type": "bidirectional",
"description": "Standard bidirectional I/O port P2.5 that can also serve as the SPI clock SCLK_2 or the I2C clock line I2CSCL_2."
},
{
"number": "27",
"name": "P2.6",
"type": "bidirectional",
"description": "Standard bidirectional I/O port P2.6."
},
{
"number": "28",
"name": "P2.7",
"type": "bidirectional",
"description": "Standard bidirectional I/O port P2.7."
},
{
"number": "29",
"name": "P0.0",
"type": "bidirectional",
"description": "Standard bidirectional I/O port P0.0 that can also serve as the UART3 receive pin RxD3."
},
{
"number": "30",
"name": "P0.1",
"type": "bidirectional",
"description": "Standard bidirectional I/O port P0.1 that can also serve as the UART3 transmit pin TxD3 (output)."
},
{
"number": "31",
"name": "P0.2",
"type": "bidirectional",
"description": "Standard bidirectional I/O port P0.2 that can also serve as the UART4 receive pin RxD4."
},
{
"number": "32",
"name": "P0.3",
"type": "bidirectional",
"description": "Standard bidirectional I/O port P0.3 that can also serve as the UART4 transmit pin TxD4 (output)."
}
],
"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 size mismatch: the hint says LQFP-32(7x7), but the datasheet's LQFP32 outline is listed as 9; The MPN STC8C2K32S2 is not given its own LQFP32 diagram. The LQFP32 pin map comes from the STC8C2K64; Pins 21-28 and 13-20 descriptions are taken from the diagram labels on pages 58 and 64 rather than a"
],
"pages_sent": 181,
"cost_usd": 1.0574,
"at": "2026-10-20T21:09:21"
},
"datasheet": {
"url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8589834966927777792",
"pages": 956,
"sha256": "f8fa5bab02998432",
"source_tier": "lcsc"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 32,
"described": 32,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
"symbol": "viewers/symbol.html",
"footprint": "viewers/footprint.html"
},
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"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
9.0,
9.0,
1.5
],
"zmin_mm": 0.0,
"centre_offset_mm": 0.0,
"footprint_binding": "identity",
"sha256": "be0e412f1c66fee70039b0e109e0cc7c823161dda97593718afa97569bc61ce3",
"checked": "2026-10-20",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "stc8c2k32s2-36i-lqfp32-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
9.0,
9.0,
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"footprint_binding": "identity",
"sha256": "2b8fd06860481c15942f7044367e78403b3b5c20517ab4cec81f4cfd715b5cee",
"checked": "2026-10-20",
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}