component
HK32F031C4T6
Public Made by Adomby adom
HK 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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{
"schema_version": 1,
"type": "component",
"slug": "hk32f031c4t6",
"title": "HK32F031C4T6",
"brief": "HK Microcontrollers (MCU/MPU/SOC), LQFP-48(7x7). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"version": "0.1.0",
"license": "CC-BY-SA-4.0",
"tags": [
"component",
"embedded processors & controllers",
"hk32f031c4t6",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "HK32F031C4T6",
"manufacturer": "HK",
"package": "LQFP-48(7x7)",
"pin_count": 48,
"category": "Embedded Processors & Controllers",
"subcategory": "Microcontrollers (MCU/MPU/SOC)",
"datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588904605745098753",
"parts": {
"symbol": "hk32f031c4t6.kicad_sym",
"footprint": "hk32f031c4t6.kicad_mod",
"model_3d": "hk32f031c4t6-hero.glb",
"model_3d_plain": "hk32f031c4t6-etched.glb",
"model_3d_step": "hk32f031c4t6-etched.step",
"model_3d_step_plain": "hk32f031c4t6.step",
"lbr": "hk32f031c4t6.lbr"
},
"distributor_links": {
"lcsc": "C482574"
},
"distributor_check": {
"checked_at": "2026-10-21T00:27:42Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": null,
"status": "no match"
},
"mouser": {
"pn": null,
"status": "no match"
}
},
"pins": [
{
"number": "1",
"name": "VBAT",
"type": "power_in",
"description": "Backup power supply input (1.8 V to 5.5 V) that powers the RTC, the external 32.768 kHz oscillator and the backup registers when VDD is off."
},
{
"number": "2",
"name": "PC13",
"type": "bidirectional",
"description": "General-purpose I/O (floating input during and after reset) with additional functions RTC_TAMP1, RTC_TS, RTC_OUT and WKUP2."
},
{
"number": "3",
"name": "PC14",
"type": "bidirectional",
"description": "General-purpose I/O (floating input during and after reset) with additional function OSC32_IN for the 32.768 kHz LSE oscillator."
},
{
"number": "4",
"name": "PC15",
"type": "bidirectional",
"description": "General-purpose I/O (floating input during and after reset) with additional function OSC32_OUT for the 32.768 kHz LSE oscillator."
},
{
"number": "5",
"name": "PF0",
"type": "bidirectional",
"description": "General-purpose I/O (floating input during and after reset) with alternate function I2C1_SDA and additional function OSC_IN for the HSE oscillator."
},
{
"number": "6",
"name": "PF1",
"type": "bidirectional",
"description": "General-purpose I/O (floating input during and after reset) with alternate function I2C1_SCL and additional function OSC_OUT for the HSE oscillator."
},
{
"number": "7",
"name": "NRST",
"type": "bidirectional",
"description": "Reset input and internal reset output, active low."
},
{
"number": "8",
"name": "VSSA",
"type": "power_in",
"description": "Analog ground."
},
{
"number": "9",
"name": "VDDA",
"type": "power_in",
"description": "Analog power supply, 2.0 V to 5.5 V, for the ADC and the temperature sensor analog parts."
},
{
"number": "10",
"name": "PA0",
"type": "bidirectional",
"description": "General-purpose I/O (floating input during and after reset) with alternate functions TIM2_CH1, TIM2_ETR, USART1_CTS and ADC_IN0, and additional functions RTC_TAMP2, WKUP1 and CKI_4."
},
{
"number": "11",
"name": "PA1",
"type": "bidirectional",
"description": "General-purpose I/O (floating input during and after reset) with alternate functions TIM2_CH2, EVENTOUT, USART1_RTS and ADC_IN1."
},
{
"number": "12",
"name": "PA2",
"type": "bidirectional",
"description": "General-purpose I/O (floating input during and after reset) with alternate functions TIM2_CH3, USART1_TX and ADC_IN2."
},
{
"number": "13",
"name": "PA3",
"type": "bidirectional",
"description": "General-purpose I/O (floating input during and after reset) with alternate functions TIM2_CH4, USART1_RX and ADC_IN3."
},
{
"number": "14",
"name": "PA4",
"type": "bidirectional",
"description": "General-purpose I/O (floating input during and after reset) with alternate functions SPI1_NSS/I2S1_WS, TIM14_CH1, USART1_CK and ADC_IN4, and additional function CKI_1."
},
{
"number": "15",
"name": "PA5",
"type": "bidirectional",
"description": "General-purpose I/O (floating input during and after reset) with alternate functions SPI1_SCK/I2S1_CK, TIM2_CH1, TIM2_ETR and ADC_IN5."
},
{
"number": "16",
"name": "PA6",
"type": "bidirectional",
"description": "General-purpose I/O (floating input during and after reset) with alternate functions SPI1_MISO/I2S1_MCK, TIM3_CH1, TIM1_BKIN, TIM16_CH1, EVENTOUT and ADC_IN6, and additional function WKUP10."
},
{
"number": "17",
"name": "PA7",
"type": "bidirectional",
"description": "General-purpose I/O (floating input during and after reset) with alternate functions SPI1_MOSI/I2S1_SD, TIM3_CH2, TIM14_CH1, TIM1_CH1N, TIM17_CH1, EVENTOUT, MCO and ADC_IN7, and additional function WKUP11."
},
{
"number": "18",
"name": "PB0",
"type": "bidirectional",
"description": "General-purpose I/O (floating input during and after reset) with alternate functions TIM3_CH3, TIM1_CH2N, EVENTOUT and ADC_IN8."
},
{
"number": "19",
"name": "PB1",
"type": "bidirectional",
"description": "General-purpose I/O (floating input during and after reset) with alternate functions TIM3_CH4, TIM14_CH1, TIM1_CH3N and ADC_IN9."
},
{
"number": "20",
"name": "PB2",
"type": "bidirectional",
"description": "General-purpose I/O (floating input during and after reset) with alternate function I2C1_SMBA."
},
{
"number": "21",
"name": "PB10",
"type": "bidirectional",
"description": "General-purpose I/O (floating input during and after reset) with alternate functions TIM2_CH3 and I2C1_SCL."
},
{
"number": "22",
"name": "PB11",
"type": "bidirectional",
"description": "General-purpose I/O (floating input during and after reset) with alternate functions TIM2_CH4, EVENTOUT and I2C1_SDA."
},
{
"number": "23",
"name": "VSS",
"type": "power_in",
"description": "Digital ground."
},
{
"number": "24",
"name": "VDD",
"type": "power_in",
"description": "Digital power supply, 2.0 V to 5.5 V standard operating voltage."
},
{
"number": "25",
"name": "PB12",
"type": "bidirectional",
"description": "General-purpose I/O (floating input during and after reset) with alternate functions TIM1_BKIN, EVENTOUT and SPI1_NSS/I2S1_WS."
},
{
"number": "26",
"name": "PB13",
"type": "bidirectional",
"description": "General-purpose I/O (floating input during and after reset) with alternate functions TIM1_CH1N and SPI1_SCK/I2S1_CK."
},
{
"number": "27",
"name": "PB14",
"type": "bidirectional",
"description": "General-purpose I/O (floating input during and after reset) with alternate functions TIM1_CH2N and SPI1_MISO/I2S1_MCK."
},
{
"number": "28",
"name": "PB15",
"type": "bidirectional",
"description": "General-purpose I/O (floating input during and after reset) with alternate functions TIM1_CH3N, SPI1_MOSI/I2S1_SD and RTC_REFIN."
},
{
"number": "29",
"name": "PA8",
"type": "bidirectional",
"description": "General-purpose I/O (floating input during and after reset) with alternate functions USART1_CK, TIM1_CH1, EVENTOUT and MCO."
},
{
"number": "30",
"name": "PA9",
"type": "bidirectional",
"description": "General-purpose I/O (floating input during and after reset) with alternate functions USART1_TX, TIM1_CH2, I2C1_SCL and MCO, and additional function WKUP12."
},
{
"number": "31",
"name": "PA10",
"type": "bidirectional",
"description": "General-purpose I/O (floating input during and after reset) with alternate functions USART1_RX, TIM1_CH3, TIM17_BKIN and I2C1_SDA, and additional function WKUP13."
},
{
"number": "32",
"name": "PA11",
"type": "bidirectional",
"description": "General-purpose I/O (floating input during and after reset) with alternate functions USART1_CTS, TIM1_CH4 and EVENTOUT."
},
{
"number": "33",
"name": "PA12",
"type": "bidirectional",
"description": "General-purpose I/O (floating input during and after reset) with alternate functions USART1_RTS, TIM1_ETR and EVENTOUT."
},
{
"number": "34",
"name": "PA13",
"type": "bidirectional",
"description": "General-purpose I/O (floating input during and after reset) with alternate functions IR_OUT and SWDIO, and additional function CKI_2."
},
{
"number": "35",
"name": "PF6",
"type": "bidirectional",
"description": "General-purpose I/O (floating input during and after reset) with alternate function I2C1_SCL."
},
{
"number": "36",
"name": "PF7",
"type": "bidirectional",
"description": "General-purpose I/O (floating input during and after reset) with alternate function I2C1_SDA."
},
{
"number": "37",
"name": "PA14",
"type": "bidirectional",
"description": "General-purpose I/O (floating input during and after reset) with alternate functions USART1_TX and SWCLK, and additional function CKI_3."
},
{
"number": "38",
"name": "PA15",
"type": "bidirectional",
"description": "General-purpose I/O (floating input during and after reset) with alternate functions SPI1_NSS/I2S1_WS, TIM2_CH1, TIM2_ETR, EVENTOUT and USART1_RX."
},
{
"number": "39",
"name": "PB3",
"type": "bidirectional",
"description": "General-purpose I/O (floating input during and after reset) with alternate functions SPI1_SCK/I2S1_CK, TIM2_CH2 and EVENTOUT."
},
{
"number": "40",
"name": "PB4",
"type": "bidirectional",
"description": "General-purpose I/O (floating input during and after reset) with alternate functions SPI1_MISO/I2S1_MCK, TIM3_CH1, EVENTOUT and TIM17_BKIN."
},
{
"number": "41",
"name": "PB5",
"type": "bidirectional",
"description": "General-purpose I/O (floating input during and after reset) with alternate functions SPI1_MOSI/I2S1_SD, I2C1_SMBA, TIM16_BKIN and TIM3_CH2."
},
{
"number": "42",
"name": "PB6",
"type": "bidirectional",
"description": "General-purpose I/O (floating input during and after reset) with alternate functions I2C1_SCL, USART1_TX and TIM16_CH1N."
},
{
"number": "43",
"name": "PB7",
"type": "bidirectional",
"description": "General-purpose I/O (floating input during and after reset) with alternate functions I2C1_SDA, USART1_RX and TIM17_CH1N."
},
{
"number": "44",
"name": "Boot0",
"type": "input",
"description": "Boot memory selection input, used at startup to select user flash, system memory or internal SRAM boot."
},
{
"number": "45",
"name": "PB8",
"type": "bidirectional",
"description": "General-purpose I/O (floating input during and after reset) with alternate functions I2C1_SCL and TIM16_CH1."
},
{
"number": "46",
"name": "PB9",
"type": "bidirectional",
"description": "General-purpose I/O (floating input during and after reset) with alternate functions I2C1_SDA, IR_OUT, TIM17_CH1 and EVENTOUT."
},
{
"number": "47",
"name": "VSS",
"type": "power_in",
"description": "Digital ground."
},
{
"number": "48",
"name": "VDD",
"type": "power_in",
"description": "Digital power supply, 2.0 V to 5.5 V standard operating voltage."
}
],
"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: The ordering table lists HK32F031C4T6 but the naming-rule table that maps the 'C' suffix to a packag; The LQFP48 pin-out drawing (page 33) is an image and was not in the extracted text. All pin data com; Some alternate-function lists in the pin table wrap across page breaks. PB12's SPI1_NSS/I2S1_WS entr"
],
"pages_sent": 40,
"cost_usd": 0.1612,
"at": "2026-10-21T00:24:58"
},
"datasheet": {
"url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588904605745098753",
"pages": 55,
"sha256": "e942f8805062c89a",
"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": "hk32f031c4t6.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
9,
9,
1.5
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "9dea352d93177c2904afd7d7b68ea8855ce1ab691f69f8b3e13655600514b6bf",
"checked": "2026-10-21",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "hk32f031c4t6-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
9,
9,
1.5
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "c94bc6ad12f7453ae835f7218624c1698822f03fbacb484dc8038ce1eb5306ea",
"checked": "2026-10-21",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
},
"metadata": {
"specs": {
"Manufacturer": "HK",
"Package": "LQFP-48(7x7)",
"Category": "Embedded Processors & Controllers",
"Pins": "48"
},
"characteristics": {
"version": 1,
"source": "datasheet",
"datasheet_sha256": "e942f8805062c89af429eb3e17fa24eff7059a44508297c3b3d1b1023b06c418",
"rows": [
{
"name": "External main supply voltage (VDD, VDDA)",
"symbol": "VDD-VSS",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.5,
"typ": null,
"max": 6,
"conditions": "",
"source_page": 26,
"source": "datasheet"
},
{
"name": "Voltage difference between different supply pins",
"symbol": "|ΔVDDx|",
"kind": "absolute_maximum",
"unit": "mV",
"min": null,
"typ": null,
"max": 50,
"conditions": "",
"source_page": 26,
"source": "datasheet"
},
{
"name": "Voltage difference between different ground pins",
"symbol": "|VSSX −VSS|",
"kind": "absolute_maximum",
"unit": "mV",
"min": null,
"typ": null,
"max": 50,
"conditions": "",
"source_page": 26,
"source": "datasheet"
},
{
"name": "Total current through VDD/VDDA supply line",
"symbol": "IVDD",
"kind": "absolute_maximum",
"unit": "mA",
"min": null,
"typ": null,
"max": 150,
"conditions": "",
"source_page": 26,
"source": "datasheet"
},
{
"name": "Total current through VSS ground line",
"symbol": "IVSS",
"kind": "absolute_maximum",
"unit": "mA",
"min": null,
"typ": null,
"max": 150,
"conditions": "",
"source_page": 26,
"source": "datasheet"
},
{
"name": "Output sink current on any I/O and control pin",
"symbol": "IIO",
"kind": "absolute_maximum",
"unit": "mA",
"min": null,
"typ": null,
"max": 25,
"conditions": "",
"source_page": 26,
"source": "datasheet"
},
{
"name": "Output source current on any I/O and control pin",
"symbol": "IIO",
"kind": "absolute_maximum",
"unit": "mA",
"min": null,
"typ": null,
"max": -25,
"conditions": "",
"source_page": 26,
"source": "datasheet"
},
{
"name": "Injected current on a pin",
"symbol": "IINJ(PIN)",
"kind": "absolute_maximum",
"unit": "mA",
"min": -5,
"typ": null,
"max": 5,
"conditions": "",
"source_page": 26,
"source": "datasheet"
},
{
"name": "Total injected current on all I/O and control pins",
"symbol": "ΣIINJ(PIN)",
"kind": "absolute_maximum",
"unit": "mA",
"min": -25,
"typ": null,
"max": 25,
"conditions": "",
"source_page": 26,
"source": "datasheet"
},
{
"name": "Storage temperature range",
"symbol": "TSTG",
"kind": "absolute_maximum",
"unit": "°C",
"min": -45,
"typ": null,
"max": 150,
"conditions": "",
"source_page": 26,
"source": "datasheet"
},
{
"name": "Maximum junction temperature",
"symbol": "TJ",
"kind": "absolute_maximum",
"unit": "°C",
"min": null,
"typ": null,
"max": 125,
"conditions": "",
"source_page": 26,
"source": "datasheet"
},
{
"name": "Internal AHB clock frequency",
"symbol": "fHCLK",
"kind": "recommended_operating",
"unit": "MHz",
"min": 0,
"typ": null,
"max": 72,
"conditions": "",
"source_page": 27,
"source": "datasheet"
},
{
"name": "Internal APB1 clock frequency",
"symbol": "fPCLK1",
"kind": "recommended_operating",
"unit": "MHz",
"min": 0,
"typ": null,
"max": 72,
"conditions": "",
"source_page": 27,
"source": "datasheet"
},
{
"name": "Internal APB2 clock frequency",
"symbol": "fPCLK2",
"kind": "recommended_operating",
"unit": "MHz",
"min": 0,
"typ": null,
"max": 72,
"conditions": "",
"source_page": 27,
"source": "datasheet"
},
{
"name": "Standard operating voltage",
"symbol": "VDD",
"kind": "recommended_operating",
"unit": "V",
"min": 2,
"typ": null,
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