component
STC8C2K64S4-36I-LQFP44
Public Made by Adomby adom
STC Micro Microcontroller Units (MCUs/MPUs/SOCs), LQFP-44(10x10). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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{
"slug": "stc8c2k64s4-36i-lqfp44",
"version": "0.1.0",
"type": "component",
"description": "STC Micro Microcontroller Units (MCUs/MPUs/SOCs), LQFP-44(10x10). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"tags": [
"component",
"embedded processors & controllers",
"stc8c2k64s4-36i-lqfp44",
"factory-2.0.0",
"extractor-text"
],
"dependencies": {},
"hero": {
"type": "image",
"path": "docs/hero.png"
},
"files": [
"page.json",
"README.md",
"stc8c2k64s4-36i-lqfp44.kicad_sym",
"stc8c2k64s4-36i-lqfp44.kicad_mod",
"stc8c2k64s4-36i-lqfp44.glb",
"stc8c2k64s4-36i-lqfp44.step",
"stc8c2k64s4-36i-lqfp44.lbr",
"docs/hero.png",
"docs/stc8c2k64s4-36i-lqfp44-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html",
"stc8c2k64s4-36i-lqfp44-hero.glb",
"stc8c2k64s4-36i-lqfp44-hero.overlay.json",
"stc8c2k64s4-36i-lqfp44-etched.glb"
],
"component": {
"mpn": "STC8C2K64S4-36I-LQFP44",
"manufacturer": "STC Micro",
"package": "LQFP-44(10x10)",
"pin_count": 44,
"category": "Embedded Processors & Controllers",
"subcategory": "Microcontroller Units (MCUs/MPUs/SOCs)",
"datasheet": "https://datasheet.lcsc.com/datasheet/pdf/73d58be2ee34ecb6692592c0f184ce32.pdf",
"parts": {
"symbol": "stc8c2k64s4-36i-lqfp44.kicad_sym",
"footprint": "stc8c2k64s4-36i-lqfp44.kicad_mod",
"model_3d": "stc8c2k64s4-36i-lqfp44-hero.glb",
"model_3d_plain": "stc8c2k64s4-36i-lqfp44-etched.glb",
"model_3d_step": "stc8c2k64s4-36i-lqfp44-etched.step",
"model_3d_step_plain": "stc8c2k64s4-36i-lqfp44.step",
"lbr": "stc8c2k64s4-36i-lqfp44.lbr"
},
"distributor_links": {
"lcsc": "C3013128"
},
"distributor_check": {
"checked_at": "2026-10-27T00:30:02Z",
"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 I/O port P1.0, also RxD2 (UART2 receive pin); input-only function when used as UART receive, port is high-impedance input after power-on."
},
{
"number": "2",
"name": "P1.1",
"type": "bidirectional",
"description": "Standard I/O port P1.1, also TxD2 (UART2 transmit output)."
},
{
"number": "3",
"name": "P1.2",
"type": "bidirectional",
"description": "Standard I/O port P1.2, also SS (SPI slave select), T2 (Timer 2 external clock input)."
},
{
"number": "4",
"name": "P1.3",
"type": "bidirectional",
"description": "Standard I/O port P1.3, also MOSI (SPI master out/slave in) and T2CLKO (Timer 2 clock output)."
},
{
"number": "5",
"name": "P1.4",
"type": "bidirectional",
"description": "Standard I/O port P1.4, also MISO (SPI master in/slave out) and I2C data line SDA."
},
{
"number": "6",
"name": "P4.4",
"type": "bidirectional",
"description": "Standard I/O port P4.4, also RD (external bus read strobe) and TxD_4 (UART1 transmit alternate)."
},
{
"number": "7",
"name": "P1.5",
"type": "bidirectional",
"description": "Standard I/O port P1.5, also SPI clock SCLK and I2C clock SCL."
},
{
"number": "8",
"name": "P1.6",
"type": "bidirectional",
"description": "Standard I/O port P1.6, also RxD_3 (UART1 receive alternate), XTALO (external crystal output) and MCLKO_2 (main clock output); high-impedance input when used as external clock input pin."
},
{
"number": "9",
"name": "P1.7",
"type": "bidirectional",
"description": "Standard I/O port P1.7, also TxD_3 (UART1 transmit alternate) and XTALI (external crystal/clock input)."
},
{
"number": "10",
"name": "P4.5",
"type": "bidirectional",
"description": "Standard I/O port P4.5 with full I/O function, configurable in four modes."
},
{
"number": "11",
"name": "P4.6",
"type": "bidirectional",
"description": "Standard I/O port P4.6 with full I/O function, configurable in four modes."
},
{
"number": "12",
"name": "P4.7",
"type": "bidirectional",
"description": "Standard I/O port P4.7 with full I/O function, configurable in four modes."
},
{
"number": "13",
"name": "P5.4",
"type": "bidirectional",
"description": "Standard I/O port P5.4, also RST (active-low reset input when configured as reset pin) and MCLKO (main clock output); powers up with internal 4K pull-up active for about 6.5 ms."
},
{
"number": "14",
"name": "Vcc",
"type": "power_in",
"description": "Power supply pin; operating voltage 1.9V to 5.5V."
},
{
"number": "15",
"name": "P5.5",
"type": "bidirectional",
"description": "Standard I/O port P5.5."
},
{
"number": "16",
"name": "Gnd",
"type": "power_in",
"description": "Ground pin."
},
{
"number": "17",
"name": "P4.0",
"type": "bidirectional",
"description": "Standard I/O port P4.0, also WR_3 (external bus write strobe alternate) and RxD2_2 (UART2 receive alternate)."
},
{
"number": "18",
"name": "P3.0",
"type": "bidirectional",
"description": "Standard I/O port P3.0, also RxD (UART1 receive) and INT4 (external interrupt 4); weak pull-up after power-on and used with P3.1 for USB download mode detection."
},
{
"number": "19",
"name": "P3.1",
"type": "bidirectional",
"description": "Standard I/O port P3.1, also TxD (UART1 transmit); weak pull-up after power-on, must not be held low together with P3.0 and P3.2 at power-up unless USB ISP is intended."
},
{
"number": "20",
"name": "P3.2",
"type": "bidirectional",
"description": "Standard I/O port P3.2, also INT0 (external interrupt 0), SCLK_4 and I2C clock SCL_4; high-impedance input after power-on."
},
{
"number": "21",
"name": "P3.3",
"type": "bidirectional",
"description": "Standard I/O port P3.3, also INT1 (external interrupt 1), MISO_4 and I2C data SDA_4."
},
{
"number": "22",
"name": "P3.4",
"type": "bidirectional",
"description": "Standard I/O port P3.4, also T0 (Timer 0 external clock input), T1CLKO, MOSI_4 and CMPO (comparator output)."
},
{
"number": "23",
"name": "P3.5",
"type": "bidirectional",
"description": "Standard I/O port P3.5, also T1 (Timer 1 external clock input), T0CLKO and SS_4 (SPI slave select)."
},
{
"number": "24",
"name": "P3.6",
"type": "bidirectional",
"description": "Standard I/O port P3.6, also INT2 (external interrupt 2), WR_2 (external bus write), RxD_2 and CMP- (comparator negative input)."
},
{
"number": "25",
"name": "P4.1",
"type": "bidirectional",
"description": "Standard I/O port P4.1, also ALE (address latch enable) and CMPO_2 (comparator output alternate)."
},
{
"number": "26",
"name": "P2.0",
"type": "bidirectional",
"description": "Standard I/O port P2.0, also A8 (external bus address bit 8)."
},
{
"number": "27",
"name": "P4.2",
"type": "bidirectional",
"description": "Standard I/O port P4.2, also RD_3 (external bus read alternate) and TxD2_2 (UART2 transmit alternate)."
},
{
"number": "28",
"name": "P2.1",
"type": "bidirectional",
"description": "Standard I/O port P2.1, also A9 (external bus address bit 9)."
},
{
"number": "29",
"name": "P2.2",
"type": "bidirectional",
"description": "Standard I/O port P2.2, also A10 (external bus address bit 10) and SS_2 (SPI slave select alternate)."
},
{
"number": "30",
"name": "P2.3",
"type": "bidirectional",
"description": "Standard I/O port P2.3, also A11 (external bus address bit 11) and MOSI_2 (SPI alternate)."
},
{
"number": "31",
"name": "P2.4",
"type": "bidirectional",
"description": "Standard I/O port P2.4, also A12 (external bus address bit 12), MISO_2 and I2C data SDA_2."
},
{
"number": "32",
"name": "P2.5",
"type": "bidirectional",
"description": "Standard I/O port P2.5, also A13 (external bus address bit 13), SCLK_2 and I2C clock SCL_2."
},
{
"number": "33",
"name": "P2.6",
"type": "bidirectional",
"description": "Standard I/O port P2.6, also A14 (external bus address bit 14)."
},
{
"number": "34",
"name": "P2.7",
"type": "bidirectional",
"description": "Standard I/O port P2.7, also A15 (external bus address bit 15)."
},
{
"number": "35",
"name": "P0.0",
"type": "bidirectional",
"description": "Standard I/O port P0.0, also AD0 (multiplexed address/data bus bit 0) and RxD3 (UART3 receive)."
},
{
"number": "36",
"name": "P0.1",
"type": "bidirectional",
"description": "Standard I/O port P0.1, also AD1 (multiplexed address/data bus bit 1) and TxD3 (UART3 transmit)."
},
{
"number": "37",
"name": "P0.2",
"type": "bidirectional",
"description": "Standard I/O port P0.2, also AD2 (multiplexed address/data bus bit 2) and RxD4 (UART4 receive)."
},
{
"number": "38",
"name": "P4.3",
"type": "bidirectional",
"description": "Standard I/O port P4.3, also WR (external bus write strobe) and RxD_4 (UART1 receive alternate)."
},
{
"number": "39",
"name": "P0.3",
"type": "bidirectional",
"description": "Standard I/O port P0.3, also AD3 (multiplexed address/data bus bit 3) and TxD4 (UART4 transmit)."
},
{
"number": "40",
"name": "P0.4",
"type": "bidirectional",
"description": "Standard I/O port P0.4, also AD4 (multiplexed address/data bus bit 4) and T3 (Timer 3 external clock input)."
},
{
"number": "41",
"name": "P0.5",
"type": "bidirectional",
"description": "Standard I/O port P0.5, also AD5 (multiplexed address/data bus bit 5) and T3CLKO (Timer 3 clock output)."
},
{
"number": "42",
"name": "P0.6",
"type": "bidirectional",
"description": "Standard I/O port P0.6, also AD6 (multiplexed address/data bus bit 6) and T4 (Timer 4 external clock input)."
},
{
"number": "43",
"name": "P0.7",
"type": "bidirectional",
"description": "Standard I/O port P0.7, also AD7 (multiplexed address/data bus bit 7) and T4CLKO (Timer 4 clock output)."
},
{
"number": "44",
"name": "P1.0",
"type": "bidirectional",
"description": "Standard I/O port P1.0, also RxD2 (UART2 receive pin)."
}
],
"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": null,
"consensus": "skipped (clean text read)",
"guards": "pin_guards 0.1: passed",
"guard_notes": [
"1/44 pins cited to the wrong page (name found elsewhere): ['14:Vcc@p24']"
],
"pages_sent": 181,
"cost_usd": 0.0108,
"at": "2026-10-27T00:29:09"
},
"datasheet": {
"url": "https://datasheet.lcsc.com/datasheet/pdf/73d58be2ee34ecb6692592c0f184ce32.pdf",
"pages": 956,
"sha256": "f8fa5bab02998432",
"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": "stc8c2k64s4-36i-lqfp44.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
12.0,
12.0,
1.5
],
"zmin_mm": 0.0,
"centre_offset_mm": 0.0,
"footprint_binding": "identity",
"sha256": "81aae6270b5c742bed79a8a35e9adf7fbed97c42e341e6b25ab20c1783b93b5d",
"checked": "2026-10-27",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "stc8c2k64s4-36i-lqfp44-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
12.0,
12.0,
1.5
],
"zmin_mm": 0.0,
"centre_offset_mm": 0.0,
"footprint_binding": "identity",
"sha256": "92c912bc1867430d8b2cced2bca5fa86d2552dc02e9d9de6fa6d2650d0683fe3",
"checked": "2026-10-27",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
}
}