component
STC32G12K64-35I-LQFP48
Public Made by Adomby adom
STC Micro Microcontrollers (MCU/MPU/SOC), LQFP-48(7x7). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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{
"slug": "stc32g12k64-35i-lqfp48",
"version": "0.1.0",
"type": "component",
"description": "STC Micro Microcontrollers (MCU/MPU/SOC), LQFP-48(7x7). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"tags": [
"component",
"embedded processors & controllers",
"stc32g12k64-35i-lqfp48",
"factory-2.0.0",
"extractor-text"
],
"dependencies": {},
"hero": {
"type": "image",
"path": "docs/hero.png"
},
"files": [
"page.json",
"README.md",
"stc32g12k64-35i-lqfp48.kicad_sym",
"stc32g12k64-35i-lqfp48.kicad_mod",
"stc32g12k64-35i-lqfp48.glb",
"stc32g12k64-35i-lqfp48.step",
"stc32g12k64-35i-lqfp48.lbr",
"docs/hero.png",
"docs/stc32g12k64-35i-lqfp48-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html",
"stc32g12k64-35i-lqfp48-hero.glb",
"stc32g12k64-35i-lqfp48-hero.overlay.json",
"stc32g12k64-35i-lqfp48-etched.glb"
],
"component": {
"mpn": "STC32G12K64-35I-LQFP48",
"manufacturer": "STC Micro",
"package": "LQFP-48(7x7)",
"pin_count": 48,
"category": "Embedded Processors & Controllers",
"subcategory": "Microcontrollers (MCU/MPU/SOC)",
"datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8756362851173326848",
"parts": {
"symbol": "stc32g12k64-35i-lqfp48.kicad_sym",
"footprint": "stc32g12k64-35i-lqfp48.kicad_mod",
"model_3d": "stc32g12k64-35i-lqfp48-hero.glb",
"model_3d_plain": "stc32g12k64-35i-lqfp48-etched.glb",
"model_3d_step": "stc32g12k64-35i-lqfp48-etched.step",
"model_3d_step_plain": "stc32g12k64-35i-lqfp48.step",
"lbr": "stc32g12k64-35i-lqfp48.lbr"
},
"distributor_links": {
"lcsc": "C20613517"
},
"distributor_check": {
"checked_at": "2026-10-20T17:44:17Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": null,
"status": "no match"
},
"mouser": {
"pn": null,
"status": "no match"
}
},
"pins": [
{
"number": "1",
"name": "P5.3",
"type": "bidirectional",
"description": "Standard I/O port P5.3 (quasi-bidirectional, push-pull, open-drain or high-impedance input modes, optional 4K pull-up); alternates TxD4_2 (UART4 TX), CAN2_TX_2 and LIN_TX_2."
},
{
"number": "2",
"name": "P0.5",
"type": "bidirectional",
"description": "Standard I/O port P0.5 with alternates AD5 (address/data bus), ADC13 (ADC input channel 13) and T3CLKO (Timer 3 clock divided output)."
},
{
"number": "3",
"name": "P0.6",
"type": "bidirectional",
"description": "Standard I/O port P0.6 with alternates AD6, ADC14 (ADC input channel 14), T4 (Timer 4 external clock input) and PWM external fault/trigger input PWMETI2_2 (listed as PWMFLT2_2 in the pin table)."
},
{
"number": "4",
"name": "P0.7",
"type": "bidirectional",
"description": "Standard I/O port P0.7 with alternates AD7 (address/data bus) and T4CLKO (Timer 4 clock divided output)."
},
{
"number": "5",
"name": "P1.0",
"type": "bidirectional",
"description": "Standard I/O port P1.0 with alternates ADC0 (ADC input channel 0), PWM1P (PWM1 capture input / pulse output positive) and RxD2 (UART2 receive)."
},
{
"number": "6",
"name": "P1.1",
"type": "bidirectional",
"description": "Standard I/O port P1.1 with alternates ADC1 (ADC input channel 1), PWM1N (PWM1 pulse output negative) and TxD2 (UART2 transmit)."
},
{
"number": "7",
"name": "P4.7",
"type": "bidirectional",
"description": "Standard I/O port P4.7 with alternates TxD2_2 (UART2 transmit), CAN2_TX_3 and LIN_TX_3."
},
{
"number": "8",
"name": "P1.4",
"type": "bidirectional",
"description": "Standard I/O port P1.4 with alternates ADC4 (ADC input channel 4), PWM3P, MISO/S1MISO/S2MISO (SPI master-in slave-out) and SDA (I2C data)."
},
{
"number": "9",
"name": "P1.5",
"type": "bidirectional",
"description": "Standard I/O port P1.5 with alternates ADC5 (ADC input channel 5), PWM3N, SCLK/S1SCLK/S2SCLK (SPI clock) and SCL (I2C clock)."
},
{
"number": "10",
"name": "P1.6",
"type": "bidirectional",
"description": "Standard I/O port P1.6 with alternates ADC6, RxD_3 (UART1 receive), PWM4P, MCLKO_2 (master clock divided output) and XTALO (external crystal output)."
},
{
"number": "11",
"name": "P1.7",
"type": "bidirectional",
"description": "Standard I/O port P1.7 with alternates ADC7, TxD_3 (UART1 transmit), PWM4N, PWM5_2 and XTALI (external crystal / external clock input)."
},
{
"number": "12",
"name": "P1.3",
"type": "bidirectional",
"description": "Standard I/O port P1.3 with alternates ADC3, MOSI/S1MOSI/S2MOSI (SPI master-out slave-in), PWM2N and T2CLKO (Timer 2 clock divided output)."
},
{
"number": "13",
"name": "UCAP",
"type": "passive",
"description": "USB core power regulator stabilization pin; connect the decoupling capacitor shown in the datasheet reference circuits."
},
{
"number": "14",
"name": "P5.4/nRST",
"type": "bidirectional",
"description": "Standard I/O port P5.4 after factory default; can be set through ISP as the active-low reset input nRST (reset level low), and also alternates MCLKO, SS, ADC2 and T2."
},
{
"number": "15",
"name": "Vcc/AVcc",
"type": "power_in",
"description": "Main supply input, 1.9 V to 5.5 V (operation below -40 °C requires at least 3.0 V); AVcc is the ADC supply."
},
{
"number": "16",
"name": "ADC_VRef+",
"type": "input",
"description": "ADC external reference voltage input; must be connected to an external reference between 2.4 V and MCU-VCC, since floating causes leakage current."
},
{
"number": "17",
"name": "Gnd/AGnd",
"type": "power_in",
"description": "Ground; AGnd is the ADC analog ground."
},
{
"number": "18",
"name": "P4.0",
"type": "bidirectional",
"description": "Standard I/O port P4.0 with alternates MOSI_3, S1MOSI_3 and S2MOSI_3 (SPI master-out slave-in)."
},
{
"number": "19",
"name": "P3.0",
"type": "bidirectional",
"description": "Standard I/O port P3.0 with USB D- data line, RxD (UART1 receive) and INT4; quasi-bidirectional with weak pull-up at power-up and used for USB/serial ISP download and emulation."
},
{
"number": "20",
"name": "P3.1",
"type": "bidirectional",
"description": "Standard I/O port P3.1 with USB D+ data line and TxD (UART1 transmit); quasi-bidirectional with weak pull-up at power-up and used with P3.0 for ISP download and emulation."
},
{
"number": "21",
"name": "P3.2",
"type": "bidirectional",
"description": "Standard I/O port P3.2 with INT0, SCLK_4, SCL_4 and PWM external trigger inputs PWMETI/PWMETI2; held high at power-on reset and pulled low to select USB download mode."
},
{
"number": "22",
"name": "P3.3",
"type": "bidirectional",
"description": "Standard I/O port P3.3 with INT1, MISO_4, SDA_4, PWM4N_4 and PWM7_2."
},
{
"number": "23",
"name": "P3.4",
"type": "bidirectional",
"description": "Standard I/O port P3.4 with T0 external clock input, T1CLKO, MOSI_4, PWM4P_4, PWM8_2 and CMPO (comparator output)."
},
{
"number": "24",
"name": "P5.0",
"type": "bidirectional",
"description": "Standard I/O port P5.0 with RxD3_2 (UART3 receive), CMP+_2 (comparator positive input) and CAN_RX_2."
},
{
"number": "25",
"name": "P5.1",
"type": "bidirectional",
"description": "Standard I/O port P5.1 with TxD3_2 (UART3 transmit), CMP+_3 (comparator positive input) and CAN_TX_2."
},
{
"number": "26",
"name": "P3.5",
"type": "bidirectional",
"description": "Standard I/O port P3.5 with T1 external clock input, T0CLKO, SS_4 (SPI slave select) and PWMFLT (PWM external fault input)."
},
{
"number": "27",
"name": "P3.6",
"type": "bidirectional",
"description": "Standard I/O port P3.6 with INT2, RxD_2 (UART1 receive alternate) and CMP- (comparator negative input)."
},
{
"number": "28",
"name": "P3.7",
"type": "bidirectional",
"description": "Standard I/O port P3.7 with INT3, TxD_2 (UART1 transmit alternate) and CMP+ (comparator positive input)."
},
{
"number": "29",
"name": "P4.1",
"type": "bidirectional",
"description": "Standard I/O port P4.1 with MISO_3, S1MISO_3, S2MISO_3, CMPO_2 and PWMETI_2."
},
{
"number": "30",
"name": "P4.2",
"type": "bidirectional",
"description": "Standard I/O port P4.2 with WR (external bus write strobe) and CAN_RX_3."
},
{
"number": "31",
"name": "P4.3",
"type": "bidirectional",
"description": "Standard I/O port P4.3 with RxD_4 (UART4 receive), SCLK_3, S1SCLK_3 and S2SCLK_3."
},
{
"number": "32",
"name": "P4.4",
"type": "bidirectional",
"description": "Standard I/O port P4.4 with RD (external bus read strobe) and TxD_4 (UART4 transmit)."
},
{
"number": "33",
"name": "P2.0",
"type": "bidirectional",
"description": "Standard I/O port P2.0 with A8 (address bus), PWM1P_2 and PWM5."
},
{
"number": "34",
"name": "P2.1",
"type": "bidirectional",
"description": "Standard I/O port P2.1 with A9 (address bus), PWM1N_2 and PWM6."
},
{
"number": "35",
"name": "P2.2",
"type": "bidirectional",
"description": "Standard I/O port P2.2 with A10 (address bus), PWM2P_2, PWM7, SS_2, S1SS_2 and S2SS_2."
},
{
"number": "36",
"name": "P2.3",
"type": "bidirectional",
"description": "Standard I/O port P2.3 with A11 (address bus), PWM2N_2, PWM8, MOSI_2, S1MOSI_2 and S2MOSI_2."
},
{
"number": "37",
"name": "P2.4",
"type": "bidirectional",
"description": "Standard I/O port P2.4 with A12 (address bus), PWM3P_2, SDA_2, MISO_2, S1MISO_2 and S2MISO_2."
},
{
"number": "38",
"name": "P2.5",
"type": "bidirectional",
"description": "Standard I/O port P2.5 with A13 (address bus), PWM3N_2, SCL_2, SCLK_2, S1SCLK_2 and S2SCLK_2."
},
{
"number": "39",
"name": "P2.6",
"type": "bidirectional",
"description": "Standard I/O port P2.6 with A14 (address bus) and PWM4P_2."
},
{
"number": "40",
"name": "P2.7",
"type": "bidirectional",
"description": "Standard I/O port P2.7 with A15 (address bus) and PWM4N_2."
},
{
"number": "41",
"name": "P4.5",
"type": "bidirectional",
"description": "Standard I/O port P4.5 with ALE (address latch enable) and CAN_TX_3."
},
{
"number": "42",
"name": "P4.6",
"type": "bidirectional",
"description": "Standard I/O port P4.6 with LIN_RX_3, CAN2_RX_3 and RxD2_2 (UART2 receive alternate)."
},
{
"number": "43",
"name": "P0.0",
"type": "bidirectional",
"description": "Standard I/O port P0.0 with AD0 (address/data bus), ADC8, RxD3 (UART3 receive), PWM5_3, T3_2 and CAN_RX."
},
{
"number": "44",
"name": "P0.1",
"type": "bidirectional",
"description": "Standard I/O port P0.1 with AD1 (address/data bus), ADC9, TxD3 (UART3 transmit), PWM6_3, T3CLKO_2 and CAN_TX."
},
{
"number": "45",
"name": "P0.2",
"type": "bidirectional",
"description": "Standard I/O port P0.2 with AD2 (address/data bus), ADC10, RxD4 (UART4 receive), PWM7_3, T4_2, CAN2_RX and LIN_RX."
},
{
"number": "46",
"name": "P0.3",
"type": "bidirectional",
"description": "Standard I/O port P0.3 with AD3 (address/data bus), ADC11, TxD4 (UART4 transmit), PWM8_3, T4CLKO_2, CAN2_TX and LIN_TX."
},
{
"number": "47",
"name": "P0.4",
"type": "bidirectional",
"description": "Standard I/O port P0.4 with AD4 (address/data bus), ADC12 and T3 (Timer 3 external clock input)."
},
{
"number": "48",
"name": "P5.2",
"type": "bidirectional",
"description": "Standard I/O port P5.2 with RxD4_2 (UART4 receive), CAN2_RX_2 and LIN_RX_2."
}
],
"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 mismatch: the hint says LQFP-48 (7x7), but the datasheet gives LQFP48 as 9mm x 9mm (sections; Part-number mismatch: the MPN is STC32G12K64, but the LQFP48 pin map (PAGE 261) and pin table are ti; Pins 28-42 and pin 43 (P3.7, P4.1-P4.6, P2.0-P2.7, P0.0): the pin-table pages (PAGES 280-282) are no",
"1/48 pins cited to the wrong page (name found elsewhere): ['16:ADC_VRef+@p278']"
],
"pages_sent": 108,
"cost_usd": 1.1144,
"at": "2026-10-20T17:41:20"
},
"datasheet": {
"url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8756362851173326848",
"pages": 1887,
"sha256": "59bba1d366cc8d33",
"source_tier": "lcsc"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 48,
"described": 48,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
"symbol": "viewers/symbol.html",
"footprint": "viewers/footprint.html"
},
"models_3d": [
{
"file": "stc32g12k64-35i-lqfp48.step",
"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": "9dea352d93177c2904afd7d7b68ea8855ce1ab691f69f8b3e13655600514b6bf",
"checked": "2026-10-20",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "stc32g12k64-35i-lqfp48-etched.step",
"role": "eda",
"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": "b8451e0b3b72f62650e87722d16c3555ef61d2fb902e8533be44ebb13dd16446",
"checked": "2026-10-20",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
}
}