component
GD32F303RBT6
Public Made by Adomby adom
GigaDevice Semicon Beijing Microcontrollers (MCU/MPU/SOC), LQFP-64(10x10). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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{
"schema_version": 1,
"type": "component",
"slug": "gd32f303rbt6",
"title": "GD32F303RBT6",
"brief": "GigaDevice Semicon Beijing Microcontrollers (MCU/MPU/SOC), LQFP-64(10x10). 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",
"gd32f303rbt6",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "GD32F303RBT6",
"manufacturer": "GigaDevice Semicon Beijing",
"package": "LQFP-64(10x10)",
"pin_count": 64,
"category": "Embedded Processors & Controllers",
"subcategory": "Microcontrollers (MCU/MPU/SOC)",
"datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8589040482538704896",
"parts": {
"symbol": "gd32f303rbt6.kicad_sym",
"footprint": "gd32f303rbt6.kicad_mod",
"model_3d": "gd32f303rbt6-hero.glb",
"model_3d_plain": "gd32f303rbt6-etched.glb",
"model_3d_step": "gd32f303rbt6-etched.step",
"model_3d_step_plain": "gd32f303rbt6.step",
"lbr": "gd32f303rbt6.lbr"
},
"distributor_links": {
"lcsc": "C2999096"
},
"distributor_check": {
"checked_at": "2026-10-18T02:08:18Z",
"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-domain power supply pin (default function VBAT)."
},
{
"number": "2",
"name": "PC13-TAMPER-RTC",
"type": "bidirectional",
"description": "I/O with default function PC13 and alternate function TAMPER-RTC."
},
{
"number": "3",
"name": "PC14-OSC32IN",
"type": "bidirectional",
"description": "I/O with default function PC14 and alternate function OSC32IN (low-speed oscillator input)."
},
{
"number": "4",
"name": "PC15-OSC32OUT",
"type": "bidirectional",
"description": "I/O with default function PC15 and alternate function OSC32OUT (low-speed oscillator output)."
},
{
"number": "5",
"name": "OSCIN",
"type": "input",
"description": "High-speed crystal oscillator input (HXTAL, 4-32 MHz); can be remapped to PD0, which cannot be used for EXTI in this package."
},
{
"number": "6",
"name": "OSCOUT",
"type": "output",
"description": "High-speed crystal oscillator output (HXTAL, 4-32 MHz); can be remapped to PD1, which cannot be used for EXTI in this package."
},
{
"number": "7",
"name": "NRST",
"type": "bidirectional",
"description": "Device reset pin (default function NRST)."
},
{
"number": "8",
"name": "PC0",
"type": "bidirectional",
"description": "I/O with default function PC0 and alternate ADC012_IN10 analog input."
},
{
"number": "9",
"name": "PC1",
"type": "bidirectional",
"description": "I/O with default function PC1 and alternate ADC012_IN11 analog input."
},
{
"number": "10",
"name": "PC2",
"type": "bidirectional",
"description": "I/O with default function PC2 and alternate ADC012_IN12 analog input."
},
{
"number": "11",
"name": "PC3",
"type": "bidirectional",
"description": "I/O with default function PC3 and alternate ADC012_IN13 analog input."
},
{
"number": "12",
"name": "VSSA",
"type": "power_in",
"description": "Analog ground pin for the ADC and analog circuitry (default function VSSA)."
},
{
"number": "13",
"name": "VDDA",
"type": "power_in",
"description": "Analog supply pin for the ADC and analog circuitry (default function VDDA)."
},
{
"number": "14",
"name": "PA0-WKUP",
"type": "bidirectional",
"description": "I/O with default function PA0; alternate functions include WKUP, USART1_CTS, ADC012_IN0, TIMER1_CH0, TIMER1_ETI, TIMER4_CH0 and TIMER7_ETI."
},
{
"number": "15",
"name": "PA1",
"type": "bidirectional",
"description": "I/O with default function PA1; alternate functions include USART1_RTS, ADC012_IN1, TIMER1_CH1 and TIMER4_CH1."
},
{
"number": "16",
"name": "PA2",
"type": "bidirectional",
"description": "I/O with default function PA2; alternate functions include USART1_TX, ADC012_IN2, TIMER1_CH2, TIMER4_CH2, SPI0_IO2, and TIMER8_CH0 (TIMER8 function available only on RG/I/K devices)."
},
{
"number": "17",
"name": "PA3",
"type": "bidirectional",
"description": "I/O with default function PA3; alternate functions include USART1_RX, ADC012_IN3, TIMER1_CH3, TIMER4_CH3, SPI0_IO3, and TIMER8_CH1 (TIMER8 function available only on RG/I/K devices)."
},
{
"number": "18",
"name": "VSS_4",
"type": "power_in",
"description": "Ground pin (default function VSS_4)."
},
{
"number": "19",
"name": "VDD_4",
"type": "power_in",
"description": "Digital supply pin (default function VDD_4)."
},
{
"number": "20",
"name": "PA4",
"type": "bidirectional",
"description": "I/O with default function PA4; alternate functions include SPI0_NSS, USART1_CK, ADC01_IN4 and DAC_OUT0, and remap to SPI2_NSS and I2S2_WS."
},
{
"number": "21",
"name": "PA5",
"type": "bidirectional",
"description": "I/O with default function PA5; alternate functions include SPI0_SCK, ADC01_IN5 and DAC_OUT1."
},
{
"number": "22",
"name": "PA6",
"type": "bidirectional",
"description": "I/O with default function PA6; alternate functions include SPI0_MISO, ADC01_IN6, TIMER2_CH0 and TIMER7_BRKIN, with TIMER0_BRKIN remap and TIMER12_CH0 (RG/I/K devices only)."
},
{
"number": "23",
"name": "PA7",
"type": "bidirectional",
"description": "I/O with default function PA7; alternate functions include SPI0_MOSI, ADC01_IN7, TIMER2_CH1 and TIMER7_CH0_ON, with TIMER0_CH0_ON remap and TIMER13_CH0 (RG/I/K devices only)."
},
{
"number": "24",
"name": "PC4",
"type": "bidirectional",
"description": "I/O with default function PC4 and alternate function ADC01_IN14 analog input."
},
{
"number": "25",
"name": "PC5",
"type": "bidirectional",
"description": "I/O with default function PC5 and alternate function ADC01_IN15 analog input."
},
{
"number": "26",
"name": "PB0",
"type": "bidirectional",
"description": "I/O with default function PB0; alternate functions include ADC01_IN8, TIMER2_CH2 and TIMER7_CH1_ON, with TIMER0_CH1_ON remap."
},
{
"number": "27",
"name": "PB1",
"type": "bidirectional",
"description": "I/O with default function PB1; alternate functions include ADC01_IN9, TIMER2_CH3 and TIMER7_CH2_ON, with TIMER0_CH2_ON remap."
},
{
"number": "28",
"name": "PB2",
"type": "bidirectional",
"description": "5 V tolerant I/O with default function PB2, also used as BOOT1."
},
{
"number": "29",
"name": "PB10",
"type": "bidirectional",
"description": "5 V tolerant I/O with default function PB10; alternate functions include I2C1_SCL and USART2_TX, with TIMER1_CH2 remap."
},
{
"number": "30",
"name": "PB11",
"type": "bidirectional",
"description": "5 V tolerant I/O with default function PB11; alternate functions include I2C1_SDA and USART2_RX, with TIMER1_CH3 remap."
},
{
"number": "31",
"name": "VSS_1",
"type": "power_in",
"description": "Ground pin (default function VSS_1)."
},
{
"number": "32",
"name": "VDD_1",
"type": "power_in",
"description": "Digital supply pin (default function VDD_1)."
},
{
"number": "33",
"name": "PB12",
"type": "bidirectional",
"description": "5 V tolerant I/O with default function PB12; alternate functions include SPI1_NSS, I2C1_SMBA, USART2_CK, TIMER0_BRKIN and I2S1_WS."
},
{
"number": "34",
"name": "PB13",
"type": "bidirectional",
"description": "5 V tolerant I/O with default function PB13; alternate functions include SPI1_SCK, USART2_CTS, TIMER0_CH0_ON and I2S1_CK."
},
{
"number": "35",
"name": "PB14",
"type": "bidirectional",
"description": "5 V tolerant I/O with default function PB14; alternate functions include SPI1_MISO, USART2_RTS and TIMER0_CH1_ON, with TIMER11_CH0 (RG/I/K devices only)."
},
{
"number": "36",
"name": "PB15",
"type": "bidirectional",
"description": "5 V tolerant I/O with default function PB15; alternate functions include SPI1_MOSI, TIMER0_CH2_ON and I2S1_SD, with TIMER11_CH1 (RG/I/K devices only)."
},
{
"number": "37",
"name": "PC6",
"type": "bidirectional",
"description": "5 V tolerant I/O with default function PC6; alternate functions include I2S1_MCK, TIMER7_CH0 and SDIO_D6, with TIMER2_CH0 remap."
},
{
"number": "38",
"name": "PC7",
"type": "bidirectional",
"description": "5 V tolerant I/O with default function PC7; alternate functions include I2S2_MCK, TIMER7_CH1 and SDIO_D7, with TIMER2_CH1 remap."
},
{
"number": "39",
"name": "PC8",
"type": "bidirectional",
"description": "5 V tolerant I/O with default function PC8; alternate functions include TIMER7_CH2 and SDIO_D0, with TIMER2_CH2 remap."
},
{
"number": "40",
"name": "PC9",
"type": "bidirectional",
"description": "5 V tolerant I/O with default function PC9; alternate functions include TIMER7_CH3 and SDIO_D1, with TIMER2_CH3 remap."
},
{
"number": "41",
"name": "PA8",
"type": "bidirectional",
"description": "5 V tolerant I/O with default function PA8; alternate functions include USART0_CK, TIMER0_CH0, CK_OUT0 and CTC_SYNC."
},
{
"number": "42",
"name": "PA9",
"type": "bidirectional",
"description": "5 V tolerant I/O with default function PA9; alternate functions include USART0_TX and TIMER0_CH1."
},
{
"number": "43",
"name": "PA10",
"type": "bidirectional",
"description": "5 V tolerant I/O with default function PA10; alternate functions include USART0_RX and TIMER0_CH2."
},
{
"number": "44",
"name": "PA11",
"type": "bidirectional",
"description": "5 V tolerant I/O with default function PA11; alternate functions include USART0_CTS, CAN0_RX, USBDM and TIMER0_CH3."
},
{
"number": "45",
"name": "PA12",
"type": "bidirectional",
"description": "5 V tolerant I/O with default function PA12; alternate functions include USART0_RTS, CAN0_TX, TIMER0_ETI and USBDP."
},
{
"number": "46",
"name": "PA13",
"type": "bidirectional",
"description": "5 V tolerant I/O with default function JTMS/SWDIO; remap to PA13."
},
{
"number": "47",
"name": "VSS_2",
"type": "power_in",
"description": "Ground pin (default function VSS_2)."
},
{
"number": "48",
"name": "VDD_2",
"type": "power_in",
"description": "Digital supply pin (default function VDD_2)."
},
{
"number": "49",
"name": "PA14",
"type": "bidirectional",
"description": "5 V tolerant I/O with default function JTCK/SWCLK; remap to PA14."
},
{
"number": "50",
"name": "PA15",
"type": "bidirectional",
"description": "5 V tolerant I/O with default function JTDI; alternate functions include SPI2_NSS and I2S2_WS, with remaps TIMER1_CH0, TIMER1_ETI, PA15 and SPI0_NSS."
},
{
"number": "51",
"name": "PC10",
"type": "bidirectional",
"description": "5 V tolerant I/O with default function PC10; alternate functions include UART3_TX and SDIO_D2, with remaps USART2_TX, SPI2_SCK and I2S2_CK."
},
{
"number": "52",
"name": "PC11",
"type": "bidirectional",
"description": "5 V tolerant I/O with default function PC11; alternate functions include UART3_RX and SDIO_D3, with remaps USART2_RX and SPI2_MISO."
},
{
"number": "53",
"name": "PC12",
"type": "bidirectional",
"description": "5 V tolerant I/O with default function PC12; alternate functions include UART4_TX and SDIO_CK, with remaps USART2_CK, SPI2_MOSI and I2S2_SD."
},
{
"number": "54",
"name": "PD2",
"type": "bidirectional",
"description": "5 V tolerant I/O with default function PD2; alternate functions include TIMER2_ETI, SDIO_CMD and UART4_RX."
},
{
"number": "55",
"name": "PB3",
"type": "bidirectional",
"description": "5 V tolerant I/O with default function JTDO; alternate functions include SPI2_SCK and I2S2_CK, with remaps PB3, TRACESWO, TIMER1_CH1 and SPI0_SCK."
},
{
"number": "56",
"name": "PB4",
"type": "bidirectional",
"description": "5 V tolerant I/O with default function NJTRST; alternate function SPI2_MISO, with remaps TIMER2_CH0, PB4 and SPI0_MISO."
},
{
"number": "57",
"name": "PB5",
"type": "bidirectional",
"description": "I/O with default function PB5 (not marked 5 V tolerant in the table); alternate functions include I2C0_SMBA, SPI2_MOSI and I2S2_SD, with remaps TIMER2_CH1 and SPI0_MOSI."
},
{
"number": "58",
"name": "PB6",
"type": "bidirectional",
"description": "5 V tolerant I/O with default function PB6; alternate functions include I2C0_SCL and TIMER3_CH0, with remaps USART0_TX and SPI0_IO2."
},
{
"number": "59",
"name": "PB7",
"type": "bidirectional",
"description": "5 V tolerant I/O with default function PB7; alternate functions include I2C0_SDA and TIMER3_CH1, with remaps USART0_RX and SPI0_IO3."
},
{
"number": "60",
"name": "BOOT0",
"type": "input",
"description": "Boot mode selection input (default function BOOT0)."
},
{
"number": "61",
"name": "PB8",
"type": "bidirectional",
"description": "5 V tolerant I/O with default function PB8; alternate functions include TIMER3_CH2 and SDIO_D4, with remaps I2C0_SCL and CAN0_RX; TIMER9_CH0 is available only on RG/I/K devices."
},
{
"number": "62",
"name": "PB9",
"type": "bidirectional",
"description": "5 V tolerant I/O with default function PB9; alternate functions include TIMER3_CH3 and SDIO_D5, with remaps I2C0_SDA and CAN0_TX; TIMER10_CH0 is available only on RG/I/K devices."
},
{
"number": "63",
"name": "VSS_3",
"type": "power_in",
"description": "Ground pin (default function VSS_3)."
},
{
"number": "64",
"name": "VDD_3",
"type": "power_in",
"description": "Digital supply pin (default function VDD_3)."
}
],
"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 body size 10x10 mm from the hint is not confirmed in the provided text; the LQFP64 outline/d; Footnote (3) of Table 2-6 states these alternate functions are available only in GD32F303RG/I/K devi; Footnote (4) of Table 2-6: PD0/PD1 cannot be used for EXTI in this package, which applies to OSCIN/O"
],
"pages_sent": 39,
"cost_usd": 0.1974,
"at": "2026-10-18T02:06:48"
},
"datasheet": {
"url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8589040482538704896",
"pages": 97,
"sha256": "904a825ff15e3e3f",
"source_tier": "lcsc"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 64,
"described": 64,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
"symbol": "viewers/symbol.html",
"footprint": "viewers/footprint.html"
},
"models_3d": [
{
"file": "gd32f303rbt6.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
12,
12,
1.5
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "b0c827bc5c05552175d28affe44a5bd2ab45c9c36efff6ff07a74cc449b13db4",
"checked": "2026-10-18",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "gd32f303rbt6-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
12,
12,
1.5
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "74b2e45cd860bcb15fa918a87698057859f9deed0613d58ad709b056f7ef3452",
"checked": "2026-10-18",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
},
"metadata": {
"specs": {
"Manufacturer": "GigaDevice Semicon Beijing",
"Package": "LQFP-64(10x10)",
"Category": "Embedded Processors & Controllers",
"Pins": "64"
},
"characteristics": {
"version": 1,
"source": "datasheet",
"datasheet_sha256": "904a825ff15e3e3f70b2212eee0536ac49cf097cf143ac24058d9d22087317ed",
"rows": [
{
"name": "External voltage range (VSS-referenced)",
"symbol": "VDD",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 3.6,
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