component
GD32E503RCT6
Public Made by Adomby adom
GigaDevice Semicon Beijing Microcontroller Units (MCUs/MPUs/SOCs), 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": "gd32e503rct6",
"title": "GD32E503RCT6",
"brief": "GigaDevice Semicon Beijing Microcontroller Units (MCUs/MPUs/SOCs), 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",
"gd32e503rct6",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "GD32E503RCT6",
"manufacturer": "GigaDevice Semicon Beijing",
"package": "LQFP-64(10x10)",
"pin_count": 64,
"category": "Embedded Processors & Controllers",
"subcategory": "Microcontroller Units (MCUs/MPUs/SOCs)",
"datasheet": "https://datasheet.lcsc.com/datasheet/pdf/52cae2ad0098b8f0d9d79ebc1d072959.pdf",
"parts": {
"symbol": "gd32e503rct6.kicad_sym",
"footprint": "gd32e503rct6.kicad_mod",
"model_3d": "gd32e503rct6-hero.glb",
"model_3d_plain": "gd32e503rct6-etched.glb",
"model_3d_step": "gd32e503rct6-etched.step",
"model_3d_step_plain": "gd32e503rct6.step",
"lbr": "gd32e503rct6.lbr"
},
"distributor_links": {
"lcsc": "C2913850"
},
"distributor_check": {
"checked_at": "2026-10-23T03:13:29Z",
"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 battery supply pin."
},
{
"number": "2",
"name": "PC13-TAMPER-RTC",
"type": "bidirectional",
"description": "GPIO PC13 with alternate functions TAMPER-RTC and WKUP1."
},
{
"number": "3",
"name": "PC14-OSC32IN",
"type": "bidirectional",
"description": "GPIO PC14 with alternate function OSC32IN (32.768 kHz oscillator input)."
},
{
"number": "4",
"name": "PC15-OSC32OUT",
"type": "bidirectional",
"description": "GPIO PC15 with alternate function OSC32OUT (32.768 kHz oscillator output)."
},
{
"number": "5",
"name": "OSCIN",
"type": "input",
"description": "Main oscillator input, remappable to PD0."
},
{
"number": "6",
"name": "OSCOUT",
"type": "output",
"description": "Main oscillator output, remappable to PD1."
},
{
"number": "7",
"name": "NRST",
"type": "bidirectional",
"description": "System reset pin (I/O)."
},
{
"number": "8",
"name": "PC0",
"type": "bidirectional",
"description": "GPIO PC0 with alternate function ADC012_IN10."
},
{
"number": "9",
"name": "PC1",
"type": "bidirectional",
"description": "GPIO PC1 with alternate function ADC012_IN11."
},
{
"number": "10",
"name": "PC2",
"type": "bidirectional",
"description": "GPIO PC2 with alternate functions I2S1_ADD_SD and ADC012_IN12."
},
{
"number": "11",
"name": "PC3",
"type": "bidirectional",
"description": "GPIO PC3 with alternate function ADC012_IN13."
},
{
"number": "12",
"name": "VSSA",
"type": "power_in",
"description": "Analog ground."
},
{
"number": "13",
"name": "VDDA",
"type": "power_in",
"description": "Analog power supply."
},
{
"number": "14",
"name": "PA0-WKUP0",
"type": "bidirectional",
"description": "GPIO PA0 with WKUP0, USART1_CTS, ADC012_IN0, TIMER1_CH0, TIMER1_ETI, TIMER4_CH0, TIMER7_ETI."
},
{
"number": "15",
"name": "PA1",
"type": "bidirectional",
"description": "GPIO PA1 with USART1_RTS, ADC012_IN1, TIMER4_CH1, TIMER1_CH1."
},
{
"number": "16",
"name": "PA2",
"type": "bidirectional",
"description": "GPIO PA2 with USART1_TX, TIMER4_CH2, ADC012_IN2, TIMER8_CH0, TIMER1_CH2, SPI0_IO2, WKUP3."
},
{
"number": "17",
"name": "PA3",
"type": "bidirectional",
"description": "GPIO PA3 with USART1_RX, TIMER4_CH3, ADC012_IN3, TIMER1_CH3, TIMER8_CH1, SPI0_IO3."
},
{
"number": "18",
"name": "VSS_4",
"type": "power_in",
"description": "Ground pin VSS_4."
},
{
"number": "19",
"name": "VDD_4",
"type": "power_in",
"description": "Digital power supply pin VDD_4."
},
{
"number": "20",
"name": "PA4",
"type": "bidirectional",
"description": "GPIO PA4 with SPI0_NSS, USART1_CK, DAC_OUT0, ADC01_IN4; remap SPI2_NSS, I2S2_WS."
},
{
"number": "21",
"name": "PA5",
"type": "bidirectional",
"description": "GPIO PA5 with SPI0_SCK, ADC01_IN5, DAC_OUT1."
},
{
"number": "22",
"name": "PA6",
"type": "bidirectional",
"description": "GPIO PA6 with SPI0_MISO, TIMER7_BRKIN, ADC01_IN6, TIMER2_CH0, TIMER12_CH0; remap TIMER0_BRKIN."
},
{
"number": "23",
"name": "PA7",
"type": "bidirectional",
"description": "GPIO PA7 with SPI0_MOSI, TIMER7_CH0_ON, ADC01_IN7, TIMER2_CH1, TIMER13_CH0; remap TIMER0_CH0_ON."
},
{
"number": "24",
"name": "PC4",
"type": "bidirectional",
"description": "GPIO PC4 with alternate function ADC01_IN14."
},
{
"number": "25",
"name": "PC5",
"type": "bidirectional",
"description": "GPIO PC5 with ADC01_IN15 and WKUP4."
},
{
"number": "26",
"name": "PB0",
"type": "bidirectional",
"description": "GPIO PB0 with ADC01_IN8, TIMER2_CH2, TIMER7_CH1_ON; remap TIMER0_CH1_ON."
},
{
"number": "27",
"name": "PB1",
"type": "bidirectional",
"description": "GPIO PB1 with SHRTIMER_SCOUT, ADC01_IN9, TIMER2_CH3, TIMER7_CH2_ON; remap TIMER0_CH2_ON."
},
{
"number": "28",
"name": "PB2",
"type": "bidirectional",
"description": "5 V tolerant GPIO PB2, also BOOT1, with SHRTIMER_SCIN."
},
{
"number": "29",
"name": "PB10",
"type": "bidirectional",
"description": "5 V tolerant GPIO PB10 with SHRTIMER_FLT2, I2C1_SCL, USART2_TX; remap TIMER1_CH2."
},
{
"number": "30",
"name": "PB11",
"type": "bidirectional",
"description": "5 V tolerant GPIO PB11 with SHRTIMER_FLT3, I2C1_SDA, USART2_RX; remap TIMER1_CH3."
},
{
"number": "31",
"name": "VSS_1",
"type": "power_in",
"description": "Ground pin VSS_1."
},
{
"number": "32",
"name": "VDD_1",
"type": "power_in",
"description": "Digital power supply pin VDD_1."
},
{
"number": "33",
"name": "PB12",
"type": "bidirectional",
"description": "5 V tolerant GPIO PB12 with SHRTIMER_ST2CH0, SPI1_NSS, I2S1_WS, I2C1_SMBA, USART2_CK, TIMER0_BRKIN, CAN1_RX."
},
{
"number": "34",
"name": "PB13",
"type": "bidirectional",
"description": "5 V tolerant GPIO PB13 with SHRTIMER_ST2CH1, SPI1_SCK, I2S1_CK, USART2_CTS, TIMER0_CH0_ON, CAN1_TX, I2C1_TXFRAME."
},
{
"number": "35",
"name": "PB14",
"type": "bidirectional",
"description": "5 V tolerant GPIO PB14 with SHRTIMER_ST3CH0, I2S1_ADD_SD, SPI1_MISO, USART2_RTS, TIMER0_CH1_ON, TIMER11_CH0."
},
{
"number": "36",
"name": "PB15",
"type": "bidirectional",
"description": "5 V tolerant GPIO PB15 with SHRTIMER_ST3CH1, SPI1_MOSI, TIMER0_CH2_ON, I2S1_SD, TIMER11_CH1, WKUP6."
},
{
"number": "37",
"name": "PC6",
"type": "bidirectional",
"description": "5 V tolerant GPIO PC6 with SHRTIMER_EXEV9, USART5_TX, I2S1_MCK, TIMER7_CH0, SDIO_D6; remap TIMER2_CH0."
},
{
"number": "38",
"name": "PC7",
"type": "bidirectional",
"description": "5 V tolerant GPIO PC7 with SHRTIMER_FLT4, USART5_RX, I2S2_MCK, TIMER7_CH1, SDIO_D7; remap TIMER2_CH1."
},
{
"number": "39",
"name": "PC8",
"type": "bidirectional",
"description": "5 V tolerant GPIO PC8 with SHRTIMER_ST4CH0, USART5_CK, TIMER7_CH2, SDIO_D0; remap TIMER2_CH2."
},
{
"number": "40",
"name": "PC9",
"type": "bidirectional",
"description": "5 V tolerant GPIO PC9 with SHRTIMER_ST4CH1, I2C2_SDA, TIMER7_CH3, SDIO_D1; remap TIMER2_CH3."
},
{
"number": "41",
"name": "PA8",
"type": "bidirectional",
"description": "5 V tolerant GPIO PA8 with SHRTIMER_ST0CH0, I2C2_SCL, USART0_CK, TIMER0_CH0, CK_OUT, CTC_SYNC."
},
{
"number": "42",
"name": "PA9",
"type": "bidirectional",
"description": "5 V tolerant GPIO PA9 with SHRTIMER_ST0CH1, I2C2_SMBA, USART0_TX, TIMER0_CH1."
},
{
"number": "43",
"name": "PA10",
"type": "bidirectional",
"description": "5 V tolerant GPIO PA10 with SHRTIMER_ST1CH0, USART0_RX, TIMER0_CH2."
},
{
"number": "44",
"name": "PA11",
"type": "bidirectional",
"description": "5 V tolerant GPIO PA11 with SHRTIMER_ST1CH1, USART5_TX, USART0_CTS, CAN0_RX, USBDM, TIMER0_CH3."
},
{
"number": "45",
"name": "PA12",
"type": "bidirectional",
"description": "5 V tolerant GPIO PA12 with SHRTIMER_FLT0, USART5_RX, USART0_RTS, CAN0_TX, USBDP, TIMER0_ETI."
},
{
"number": "46",
"name": "PA13",
"type": "bidirectional",
"description": "5 V tolerant pin, default JTMS/SWDIO, remappable to PA13."
},
{
"number": "47",
"name": "VSS_2",
"type": "power_in",
"description": "Ground pin VSS_2."
},
{
"number": "48",
"name": "VDD_2",
"type": "power_in",
"description": "Digital power supply pin VDD_2."
},
{
"number": "49",
"name": "PA14",
"type": "bidirectional",
"description": "5 V tolerant pin, default JTCK/SWCLK, remappable to PA14."
},
{
"number": "50",
"name": "PA15",
"type": "bidirectional",
"description": "5 V tolerant pin, default JTDI, with SHRTIMER_FLT1, SPI2_NSS, I2S2_WS; remap TIMER1_CH0, TIMER1_ETI, PA15, SPI0_NSS."
},
{
"number": "51",
"name": "PC10",
"type": "bidirectional",
"description": "5 V tolerant GPIO PC10 with I2C2_SCL, UART3_TX, SDIO_D2; remap USART2_TX, SPI2_SCK, I2S2_CK."
},
{
"number": "52",
"name": "PC11",
"type": "bidirectional",
"description": "5 V tolerant GPIO PC11 with SHRTIMER_EXEV1, I2S2_ADD_SD, UART3_RX, SDIO_D3; remap USART2_RX, SPI2_MISO."
},
{
"number": "53",
"name": "PC12",
"type": "bidirectional",
"description": "5 V tolerant GPIO PC12 with SHRTIMER_EXEV0, UART4_TX, SDIO_CK; remap USART2_CK, SPI2_MOSI, I2S2_SD."
},
{
"number": "54",
"name": "PD2",
"type": "bidirectional",
"description": "5 V tolerant GPIO PD2 with TIMER2_ETI, UART4_RX, SDIO_CMD."
},
{
"number": "55",
"name": "PB3",
"type": "bidirectional",
"description": "5 V tolerant pin, default JTDO, with SHRTIMER_SCOUT, SHRTIMER_EXEV8, SPI2_SCK, I2S2_CK; remap TIMER1_CH1, PB3, TRACESWO, SPI0_SCK."
},
{
"number": "56",
"name": "PB4",
"type": "bidirectional",
"description": "5 V tolerant pin, default NJTRST, with SHRTIMER_EXEV6, I2C2_SDA, I2S2_ADD_SD, SPI2_MISO, I2C0_TXFRAME; remap TIMER2_CH0, PB4, SPI0_MISO."
},
{
"number": "57",
"name": "PB5",
"type": "bidirectional",
"description": "GPIO PB5 with SHRTIMER_EXEV5, I2C2_SCL, I2C0_SMBA, SPI2_MOSI, I2S2_SD, WKUP5; remap TIMER2_CH1, SPI0_MOSI, CAN1_RX."
},
{
"number": "58",
"name": "PB6",
"type": "bidirectional",
"description": "5 V tolerant GPIO PB6 with SHRTIMER_SCIN, SHRTIMER_EXEV3, I2C0_SCL, TIMER3_CH0; remap USART0_TX, CAN1_TX, SPI0_IO2."
},
{
"number": "59",
"name": "PB7",
"type": "bidirectional",
"description": "5 V tolerant GPIO PB7 with SHRTIMER_EXEV2, I2C0_SDA, TIMER3_CH1; remap USART0_RX, SPI0_IO3."
},
{
"number": "60",
"name": "BOOT0",
"type": "input",
"description": "Boot mode selection input."
},
{
"number": "61",
"name": "PB8",
"type": "bidirectional",
"description": "5 V tolerant GPIO PB8 with SHRTIMER_EXEV7, I2C2_SDA, TIMER3_CH2, SDIO_D4, TIMER9_CH0; remap I2C0_SCL, CAN0_RX."
},
{
"number": "62",
"name": "PB9",
"type": "bidirectional",
"description": "5 V tolerant GPIO PB9 with SHRTIMER_EXEV4, TIMER3_CH3, SDIO_D5, TIMER10_CH0; remap I2C0_SDA, CAN0_TX."
},
{
"number": "63",
"name": "VSS_3",
"type": "power_in",
"description": "Ground pin VSS_3."
},
{
"number": "64",
"name": "VDD_3",
"type": "power_in",
"description": "Digital power supply pin VDD_3."
}
],
"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",
"consensus_model": "claude-sonnet-5-5",
"consensus": "agreed",
"guards": "pin_guards 0.1: passed",
"guard_notes": [
"extractor flagged: Datasheet lists no voltage limits per pin in the pin table; descriptions only give functions. NRST t"
],
"pages_sent": 43,
"cost_usd": 0.4218,
"at": "2026-10-23T03:13:03"
},
"datasheet": {
"url": "https://datasheet.lcsc.com/datasheet/pdf/52cae2ad0098b8f0d9d79ebc1d072959.pdf",
"pages": 98,
"sha256": "36877193cdaf5625",
"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": "gd32e503rct6.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": "2026-10-23",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "gd32e503rct6-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": "5b18051fbf4981734e16492798da3e2f260d1f1ef3ebd342a5a20f17acbb254f",
"checked": "2026-10-23",
"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": "36877193cdaf5625aeb80cbb092c7566b175b1835f98e1a61045fa20b2929d34",
"rows": [
{
"name": "External voltage range",
"symbol": "VDD",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 3.6,
"conditions": "printed as VSS - 0.3 to VSS + 3.6",
"source_page": 55,
"source": "datasheet"
},
{
"name": "External analog supply voltage",
"symbol": "VDDA",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 3.6,
"conditions": "printed as VSSA - 0.3 to VSSA + 3.6",
"source_page": 55,
"source": "datasheet"
},
{
"name": "External battery supply voltage",
"symbol": "VBAT",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 3.6,
"conditions": "printed as VSS - 0.3 to VSS + 3.6",
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