component
GD32F303CCT6A
Public Made by Adomby adom
GigaDevice Semicon Beijing 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": "gd32f303cct6a",
"title": "GD32F303CCT6A",
"brief": "GigaDevice Semicon Beijing 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",
"gd32f303cct6a",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "GD32F303CCT6A",
"manufacturer": "GigaDevice Semicon Beijing",
"package": "LQFP-48(7x7)",
"pin_count": 48,
"category": "Embedded Processors & Controllers",
"subcategory": "Microcontrollers (MCU/MPU/SOC)",
"datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8589837132765835265",
"parts": {
"symbol": "gd32f303cct6a.kicad_sym",
"footprint": "gd32f303cct6a.kicad_mod",
"model_3d": "gd32f303cct6a-hero.glb",
"model_3d_plain": "gd32f303cct6a-etched.glb",
"model_3d_step": "gd32f303cct6a-etched.step",
"model_3d_step_plain": "gd32f303cct6a.step",
"lbr": "gd32f303cct6a.lbr"
},
"distributor_links": {
"lcsc": "C5119567"
},
"distributor_check": {
"checked_at": "2026-10-18T10:36:38Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": null,
"status": "quota"
},
"mouser": {
"pn": null,
"status": "quota"
}
},
"pins": [
{
"number": "1",
"name": "VBAT",
"type": "power_in",
"description": "Power pin with default function VBAT; the LQFP48 pin table gives no voltage limits for it."
},
{
"number": "2",
"name": "PC13-TAMPER-RTC",
"type": "bidirectional",
"description": "Default function PC13; alternate function TAMPER-RTC."
},
{
"number": "3",
"name": "PC14-OSC32IN",
"type": "bidirectional",
"description": "Default function PC14; alternate function OSC32IN."
},
{
"number": "4",
"name": "PC15-OSC32OUT",
"type": "bidirectional",
"description": "Default function PC15; alternate function OSC32OUT."
},
{
"number": "5",
"name": "OSCIN",
"type": "input",
"description": "Default function OSCIN; can be remapped to PD0, which cannot be used for EXTI in this package."
},
{
"number": "6",
"name": "OSCOUT",
"type": "output",
"description": "Default function OSCOUT; can be remapped to PD1, which cannot be used for EXTI in this package."
},
{
"number": "7",
"name": "NRST",
"type": "bidirectional",
"description": "Default function NRST; no alternate function is listed for this pin in the pin table."
},
{
"number": "8",
"name": "VSSA",
"type": "power_in",
"description": "Analog ground pin with default function VSSA; the pin table gives no further limits."
},
{
"number": "9",
"name": "VDDA",
"type": "power_in",
"description": "Analog supply pin with default function VDDA; the pin table gives no voltage limits for it."
},
{
"number": "10",
"name": "PA0-WKUP",
"type": "bidirectional",
"description": "Default function PA0; alternate functions WKUP, USART1_CTS, ADC012_IN0, TIMER1_CH0, TIMER1_ETI and TIMER4_CH0."
},
{
"number": "11",
"name": "PA1",
"type": "bidirectional",
"description": "Default function PA1; alternate functions USART1_RTS, ADC012_IN1, TIMER1_CH1 and TIMER4_CH1."
},
{
"number": "12",
"name": "PA2",
"type": "bidirectional",
"description": "Default function PA2; alternate functions USART1_TX, ADC012_IN2, TIMER1_CH2, TIMER4_CH2, SPI0_IO2, and TIMER8_CH0 (available only in GD32F303CG devices per footnote 3)."
},
{
"number": "13",
"name": "PA3",
"type": "bidirectional",
"description": "Default function PA3; alternate functions USART1_RX, ADC012_IN3, TIMER1_CH3, TIMER4_CH3, SPI0_IO3, and TIMER8_CH1 (available only in GD32F303CG devices per footnote 3)."
},
{
"number": "14",
"name": "PA4",
"type": "bidirectional",
"description": "Default function PA4; alternate functions SPI0_NSS, USART1_CK, ADC01_IN4 and DAC_OUT0; remap to SPI2_NSS and I2S2_WS."
},
{
"number": "15",
"name": "PA5",
"type": "bidirectional",
"description": "Default function PA5; alternate functions SPI0_SCK, ADC01_IN5 and DAC_OUT1."
},
{
"number": "16",
"name": "PA6",
"type": "bidirectional",
"description": "Default function PA6; alternate functions SPI0_MISO, ADC01_IN6, TIMER2_CH0 and TIMER12_CH0 (available only in GD32F303CG devices per footnote 3); remap to TIMER0_BRKIN."
},
{
"number": "17",
"name": "PA7",
"type": "bidirectional",
"description": "Default function PA7; alternate functions SPI0_MOSI, ADC01_IN7, TIMER2_CH1 and TIMER13_CH0 (available only in GD32F303CG devices per footnote 3); remap to TIMER0_CH0_ON."
},
{
"number": "18",
"name": "PB0",
"type": "bidirectional",
"description": "Default function PB0; alternate functions ADC01_IN8 and TIMER2_CH2; remap to TIMER0_CH1_ON."
},
{
"number": "19",
"name": "PB1",
"type": "bidirectional",
"description": "Default function PB1; alternate functions ADC01_IN9 and TIMER2_CH3; remap to TIMER0_CH2_ON."
},
{
"number": "20",
"name": "PB2",
"type": "bidirectional",
"description": "5 V tolerant pin with default function PB2 and BOOT1."
},
{
"number": "21",
"name": "PB10",
"type": "bidirectional",
"description": "5 V tolerant pin with default function PB10; alternate functions I2C1_SCL and USART2_TX; remap to TIMER1_CH2."
},
{
"number": "22",
"name": "PB11",
"type": "bidirectional",
"description": "5 V tolerant pin with default function PB11; alternate functions I2C1_SDA and USART2_RX; remap to TIMER1_CH3."
},
{
"number": "23",
"name": "VSS_1",
"type": "power_in",
"description": "Ground pin with default function VSS_1."
},
{
"number": "24",
"name": "VDD_1",
"type": "power_in",
"description": "Power pin with default function VDD_1; the pin table gives no voltage limits for it."
},
{
"number": "25",
"name": "PB12",
"type": "bidirectional",
"description": "5 V tolerant pin with default function PB12; alternate functions SPI1_NSS, I2C1_SMBA, USART2_CK, TIMER0_BRKIN and I2S1_WS."
},
{
"number": "26",
"name": "PB13",
"type": "bidirectional",
"description": "5 V tolerant pin with default function PB13; alternate functions SPI1_SCK, USART2_CTS, TIMER0_CH0_ON and I2S1_CK."
},
{
"number": "27",
"name": "PB14",
"type": "bidirectional",
"description": "5 V tolerant pin with default function PB14; alternate functions SPI1_MISO, USART2_RTS and TIMER0_CH1_ON, plus TIMER11_CH0 (available only in GD32F303CG devices per footnote 3)."
},
{
"number": "28",
"name": "PB15",
"type": "bidirectional",
"description": "5 V tolerant pin with default function PB15; alternate functions SPI1_MOSI, TIMER0_CH2_ON and I2S1_SD, plus TIMER11_CH1 (available only in GD32F303CG devices per footnote 3)."
},
{
"number": "29",
"name": "PA8",
"type": "bidirectional",
"description": "5 V tolerant pin with default function PA8; alternate functions USART0_CK, TIMER0_CH0, CK_OUT0 and CTC_SYNC."
},
{
"number": "30",
"name": "PA9",
"type": "bidirectional",
"description": "5 V tolerant pin with default function PA9; alternate functions USART0_TX and TIMER0_CH1."
},
{
"number": "31",
"name": "PA10",
"type": "bidirectional",
"description": "5 V tolerant pin with default function PA10; alternate functions USART0_RX and TIMER0_CH2."
},
{
"number": "32",
"name": "PA11",
"type": "bidirectional",
"description": "5 V tolerant pin with default function PA11; alternate functions USART0_CTS, CAN0_RX, USBDM and TIMER0_CH3."
},
{
"number": "33",
"name": "PA12",
"type": "bidirectional",
"description": "5 V tolerant pin with default function PA12; alternate functions USART0_RTS, CAN0_TX, TIMER0_ETI and USBDP."
},
{
"number": "34",
"name": "PA13",
"type": "bidirectional",
"description": "5 V tolerant pin with default functions JTMS and SWDIO; remap to PA13."
},
{
"number": "35",
"name": "VSS_2",
"type": "power_in",
"description": "Ground pin with default function VSS_2."
},
{
"number": "36",
"name": "VDD_2",
"type": "power_in",
"description": "Power pin with default function VDD_2; the pin table gives no voltage limits for it."
},
{
"number": "37",
"name": "PA14",
"type": "bidirectional",
"description": "5 V tolerant pin with default functions JTCK and SWCLK; remap to PA14."
},
{
"number": "38",
"name": "PA15",
"type": "bidirectional",
"description": "5 V tolerant pin with default function JTDI; alternate functions SPI2_NSS and I2S2_WS; remap to TIMER1_CH0, TIMER1_ETI, PA15 and SPI0_NSS."
},
{
"number": "39",
"name": "PB3",
"type": "bidirectional",
"description": "5 V tolerant pin with default function JTDO; alternate functions SPI2_SCK and I2S2_CK; remap to PB3, TRACESWO, TIMER1_CH1 and SPI0_SCK."
},
{
"number": "40",
"name": "PB4",
"type": "bidirectional",
"description": "5 V tolerant pin with default function NJTRST; alternate function SPI2_MISO; remap to TIMER2_CH0, PB4 and SPI0_MISO."
},
{
"number": "41",
"name": "PB5",
"type": "bidirectional",
"description": "Default function PB5; alternate functions I2C0_SMBA, SPI2_MOSI and I2S2_SD; remap to TIMER2_CH1 and SPI0_MOSI."
},
{
"number": "42",
"name": "PB6",
"type": "bidirectional",
"description": "5 V tolerant pin with default function PB6; alternate functions I2C0_SCL and TIMER3_CH0; remap to USART0_TX and SPI0_IO2."
},
{
"number": "43",
"name": "PB7",
"type": "bidirectional",
"description": "5 V tolerant pin with default function PB7; alternate functions I2C0_SDA and TIMER3_CH1; remap to USART0_RX and SPI0_IO3."
},
{
"number": "44",
"name": "BOOT0",
"type": "input",
"description": "Input pin with default function BOOT0."
},
{
"number": "45",
"name": "PB8",
"type": "bidirectional",
"description": "5 V tolerant pin with default function PB8; alternate function TIMER3_CH2, plus TIMER9_CH0 (available only in GD32F303CG devices per footnote 3); remap to I2C0_SCL and CAN0_RX."
},
{
"number": "46",
"name": "PB9",
"type": "bidirectional",
"description": "5 V tolerant pin with default function PB9; alternate function TIMER3_CH3, plus TIMER10_CH0 (available only in GD32F303CG devices per footnote 3); remap to I2C0_SDA and CAN0_TX."
},
{
"number": "47",
"name": "VSS_3",
"type": "power_in",
"description": "Ground pin with default function VSS_3."
},
{
"number": "48",
"name": "VDD_3",
"type": "power_in",
"description": "Power pin with default function VDD_3; the pin table gives no voltage limits for it."
}
],
"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: MPN suffix mismatch: the requested MPN is GD32F303CCT6A, but the datasheet ordering tables (Table 6-; Footnote (3) of Table 2-7 states that TIMER8_CH0/CH1, TIMER9_CH0, TIMER10_CH0, TIMER11_CH0/CH1, TIME; The LQFP48 pin table gives no voltage or current limits for power and ground pins (VBAT, VDDA, VSSA,"
],
"pages_sent": 40,
"cost_usd": 0.1912,
"at": "2026-10-18T10:34:27"
},
"datasheet": {
"url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8589837132765835265",
"pages": 99,
"sha256": "98e6e299f43ef5ac",
"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": "gd32f303cct6a.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": "2026-10-18",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "gd32f303cct6a-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": "f319c7fa237d98c34418144030a12581f78aaba2cbd46bc4f97ae28fe8c82af9",
"checked": "2026-10-18",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
},
"metadata": {
"specs": {
"Manufacturer": "GigaDevice Semicon Beijing",
"Package": "LQFP-48(7x7)",
"Category": "Embedded Processors & Controllers",
"Pins": "48"
},
"characteristics": {
"version": 1,
"source": "datasheet",
"datasheet_sha256": "98e6e299f43ef5ac53edffdbdca9beabc99042d801532013ee2f4381242f9521",
"rows": [
{
"name": "External voltage range",
"symbol": "VDD",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 3.6,
"conditions": "Relative to VSS: VSS - 0.3 to VSS + 3.6 V",
"source_page": 51,
"source": "datasheet"
},
{
"name": "External analog supply voltage",
"symbol": "VDDA",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 3.6,
"conditions": "Relative to VSSA: VSSA - 0.3 to VSSA + 3.6 V",
"source_page": 51,
"source": "datasheet"
},
{
"name": "External battery supply voltage",
"symbol": "VBAT",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 3.6,
"conditions": "Relative to VSS: VSS - 0.3 to VSS + 3.6 V",
"source_page": 51,
"source": "datasheet"
},
{
"name": "Input voltage on 5V tolerant pin",
"symbol": "VIN",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": null,
"conditions": "Min VSS - 0.3 V; max printed as VDD + 3.6 V; VIN max cannot exceed 5.5 V",
"source_page": 51,
"source": "datasheet"
},
{
"name": "Input voltage on other I/O",
"symbol": "VIN",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 3.6,
"conditions": "Relative to VSS",
"source_page": 51,
"source": "datasheet"
},
{
"name": "Variations between different VDD power pins",
"symbol": "|ΔVDDX|",
"kind": "absolute_maximum",
"unit": "mV",
"min": null,
"typ": null,
"max": 50,
"conditions": "",
"source_page": 51,
"source": "datasheet"
},
{
"name": "Variations between different ground pins",
"symbol": "|VSSX −VSS|",
"kind": "absolute_maximum",
"unit": "mV",
"min": null,
"typ": null,
"max": 50,
"conditions": "",
"source_page": 51,
"source": "datasheet"
},
{
"name": "Maximum current for GPIO pins",
"symbol": "IIO",
"kind": "absolute_maximum",
"unit": "mA",
"min": -25,
"typ": null,
"max": 25,
"conditions": "Printed ±25 mA",
"source_page": 51,
"source": "datasheet"
},
{
"name": "Operating temperature range",
"symbol": "TA",
"kind": "absolute_maximum",
"unit": "°C",
"min": -40,
"typ": null,
"max": 85,
"conditions": "",
"source_page": 51,
"source": "datasheet"
},
{
"name": "Power dissipation at TA = 85°C of LQFP48",
"symbol": "PD",
"kind": "absolute_maximum",
"unit": "mW",
"min": null,
"typ": null,
"max": 621,
"conditions": "TA = 85 °C, LQFP48",
"source_page": 51,
"source": "datasheet"
},
{
"name": "Storage temperature range",
"symbol": "TSTG",
"kind": "absolute_maximum",
"unit": "°C",
"min": -65,
"typ": null,
"max": 150,
"conditions": "",
"source_page": 51,
"source": "datasheet"
},
{
"name": "Maximum junction temperature",
"symbol": "TJ",
"kind": "absolute_maximum",
"unit": "°C",
"min": null,
"typ": null,
"max": 125,
"conditions": "",
"source_page": 51,
"source": "datasheet"
},
{
"name": "Supply voltage",
"symbol": "VDD",
"kind": "recommended_operating",
"unit": "V",
"min": 2.6,
"typ": 3.3,
"max": 3.6,
"conditions": "",
"source_page": 51,
"source": "datasheet"
},
{
"name": "Analog supply voltage",
"symbol": "VDDA",
"kind": "recommended_operating",
"unit": "V",
"min": 2.6,
"typ": 3.3,
"max": 3.6,
"conditions": "Same as VDD",
"source_page": 51,
"source": "datasheet"
},
{
"name": "Battery supply voltage",
"symbol": "VBAT",
"kind": "recommended_operating",
"unit": "V",
"min": 1.8,
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