component
STC8H2K08U-45I-SOP16
Public Made by Adomby adom
STC Micro Microcontrollers (MCU/MPU/SOC), SOP-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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{
"slug": "stc8h2k08u-45i-sop16",
"version": "0.1.0",
"type": "component",
"description": "STC Micro Microcontrollers (MCU/MPU/SOC), SOP-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"tags": [
"component",
"embedded processors & controllers",
"stc8h2k08u-45i-sop16",
"factory-2.0.0",
"extractor-text"
],
"dependencies": {},
"hero": {
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"files": [
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"stc8h2k08u-45i-sop16-hero.overlay.json",
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],
"component": {
"mpn": "STC8H2K08U-45I-SOP16",
"manufacturer": "STC Micro",
"package": "SOP-16",
"pin_count": 16,
"category": "Embedded Processors & Controllers",
"subcategory": "Microcontrollers (MCU/MPU/SOC)",
"datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8756362683467599872",
"parts": {
"symbol": "stc8h2k08u-45i-sop16.kicad_sym",
"footprint": "stc8h2k08u-45i-sop16.kicad_mod",
"model_3d": "stc8h2k08u-45i-sop16-hero.glb",
"model_3d_plain": "stc8h2k08u-45i-sop16-etched.glb",
"model_3d_step": "stc8h2k08u-45i-sop16-etched.step",
"model_3d_step_plain": "stc8h2k08u-45i-sop16.step",
"lbr": "stc8h2k08u-45i-sop16.lbr"
},
"distributor_links": {
"lcsc": "C20416473"
},
"distributor_check": {
"checked_at": "2026-10-18T20:25:55Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": null,
"status": "quota"
},
"mouser": {
"pn": null,
"status": "quota"
}
},
"pins": [
{
"number": "1",
"name": "P1.0/RxD2",
"type": "bidirectional",
"description": "Standard I/O port P1.0 that doubles as the UART2 receive pin (RxD2); I/O pins power up in high-impedance input state and must have their mode set before use."
},
{
"number": "2",
"name": "P1.1/TxD2",
"type": "bidirectional",
"description": "Standard I/O port P1.1 that doubles as the UART2 transmit pin (TxD2); I/O pins power up in high-impedance input state and must have their mode set before use."
},
{
"number": "3",
"name": "P1.3",
"type": "bidirectional",
"description": "Standard I/O port P1.3 with no other function labelled on this package pinout."
},
{
"number": "4",
"name": "UCap",
"type": "passive",
"description": "UCap pin of the USB part, shown in the reference circuit with a 0.1uF capacitor to ground."
},
{
"number": "5",
"name": "P5.4/nRST",
"type": "bidirectional",
"description": "P5.4 I/O that can be configured as the active-low reset input (nRST); it is an I/O by default and the reset function takes effect after an ISP setting and a power cycle."
},
{
"number": "6",
"name": "Vcc",
"type": "power_in",
"description": "Positive supply pin, to be decoupled to Gnd with a 10uF or larger capacitor plus 0.1uF placed close to the pin."
},
{
"number": "7",
"name": "VRef+",
"type": "power_in",
"description": "ADC external reference voltage input; must be tied to an external reference of 2.4V to MCU-VCC, since leaving it floating causes leakage current."
},
{
"number": "8",
"name": "Gnd",
"type": "power_in",
"description": "Ground pin."
},
{
"number": "9",
"name": "D-/P3.0",
"type": "bidirectional",
"description": "USB D- line shared with P3.0 (RxD), also used for ISP download and debug; powers up as a quasi-bidirectional pin with weak pull-up."
},
{
"number": "10",
"name": "D+/P3.1",
"type": "bidirectional",
"description": "USB D+ line shared with P3.1 (TxD), also used for ISP download and debug; powers up as a quasi-bidirectional pin with weak pull-up."
},
{
"number": "11",
"name": "P3.2",
"type": "bidirectional",
"description": "Standard I/O port P3.2 (INT0, SCLK_4, SCL_4); held to Gnd at power-up it selects USB ISP download mode."
},
{
"number": "12",
"name": "P3.3",
"type": "bidirectional",
"description": "Standard I/O port P3.3 with no other function labelled on this package pinout."
},
{
"number": "13",
"name": "P3.4",
"type": "bidirectional",
"description": "Standard I/O port P3.4 with no other function labelled on this package pinout."
},
{
"number": "14",
"name": "P3.5",
"type": "bidirectional",
"description": "Standard I/O port P3.5; the USB-to-dual-UART application drives it low to power the target system."
},
{
"number": "15",
"name": "RxD/P3.6",
"type": "bidirectional",
"description": "Standard I/O port P3.6 that doubles as the receive pin (RxD)."
},
{
"number": "16",
"name": "TxD/P3.7",
"type": "bidirectional",
"description": "Standard I/O port P3.7 that doubles as the transmit pin (TxD)."
}
],
"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+vision",
"consensus_model": "claude-opus-5-5",
"consensus": "agreed",
"guards": "pin_guards 0.1: passed",
"guard_notes": [
"extractor flagged: The provided pages do not include the STC8H2K12U/2K08U section (4.3, pin diagram and pin description; The diagram gives no description for UCap, and the notes on pins 3, 12, 13 and 14 do not list their ",
"vision extraction: provenance cannot be text-verified; needs consensus"
],
"pages_sent": 110,
"cost_usd": 2.5956,
"at": "2026-10-18T20:25:38"
},
"datasheet": {
"url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8756362683467599872",
"pages": 2180,
"sha256": "046aea020e4685f3",
"source_tier": "lcsc"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 16,
"described": 16,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
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"footprint": "viewers/footprint.html"
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"seat": "z = 0",
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"checked": "2026-10-18",
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{
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}