component
GD32F303CGT6
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.
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GD32F303CGT6
GigaDevice Semicon Beijing · Microcontrollers (MCU/MPU/SOC) · LQFP-48(7x7)
GD32F303CGT6 from GigaDevice Semicon Beijing, in a LQFP-48(7x7). Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.
Pinout
| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | VBAT | power_in | Power pin named VBAT in the LQFP48 pin definition table; the table gives no voltage limit for it. |
| 2 | PC13-TAMPER-RTC | bidirectional | GPIO PC13 by default, with alternate function TAMPER-RTC; the table does not mark this pin as 5 V tolerant. |
| 3 | PC14-OSC32IN | bidirectional | GPIO PC14 by default, with alternate function OSC32IN; the table does not mark this pin as 5 V tolerant. |
| 4 | PC15-OSC32OUT | bidirectional | GPIO PC15 by default, with alternate function OSC32OUT; the table does not mark this pin as 5 V tolerant. |
| 5 | OSCIN | input | Default function OSCIN (external oscillator input); can be remapped to PD0, which cannot be used for EXTI in this package. |
| 6 | OSCOUT | output | Default function OSCOUT (external oscillator output); can be remapped to PD1, which cannot be used for EXTI in this package. |
| 7 | NRST | bidirectional | Reset pin with default function NRST, shown as I/O in the pin table. |
| 8 | VSSA | power_in | Analog ground pin with default function VSSA. |
| 9 | VDDA | power_in | Analog supply pin with default function VDDA; the table gives no voltage limit for it. |
| 10 | PA0-WKUP | bidirectional | GPIO PA0 with alternate functions WKUP, USART1_CTS, ADC012_IN0, TIMER1_CH0, TIMER1_ETI and TIMER4_CH0. |
| 11 | PA1 | bidirectional | GPIO PA1 with alternate functions USART1_RTS, ADC012_IN1, TIMER1_CH1 and TIMER4_CH1. |
| 12 | PA2 | bidirectional | GPIO PA2 with alternate functions USART1_TX, ADC012_IN2, TIMER1_CH2, TIMER4_CH2, TIMER8_CH0 (CG devices) and SPI0_IO2. |
| 13 | PA3 | bidirectional | GPIO PA3 with alternate functions USART1_RX, ADC012_IN3, TIMER1_CH3, TIMER4_CH3, TIMER8_CH1 (CG devices) and SPI0_IO3. |
| 14 | PA4 | bidirectional | GPIO PA4 with alternate functions SPI0_NSS, USART1_CK, ADC01_IN4 and DAC_OUT0; remap SPI2_NSS, I2S2_WS. |
| 15 | PA5 | bidirectional | GPIO PA5 with alternate functions SPI0_SCK, ADC01_IN5 and DAC_OUT1. |
| 16 | PA6 | bidirectional | GPIO PA6 with alternate functions SPI0_MISO, ADC01_IN6, TIMER2_CH0 and TIMER12_CH0 (CG devices); remap TIMER0_BRKIN. |
| 17 | PA7 | bidirectional | GPIO PA7 with alternate functions SPI0_MOSI, ADC01_IN7, TIMER2_CH1 and TIMER13_CH0 (CG devices); remap TIMER0_CH0_ON. |
| 18 | PB0 | bidirectional | GPIO PB0 with alternate functions ADC01_IN8 and TIMER2_CH2; remap TIMER0_CH1_ON. |
| 19 | PB1 | bidirectional | GPIO PB1 with alternate functions ADC01_IN9 and TIMER2_CH3; remap TIMER0_CH2_ON. |
| 20 | PB2 | bidirectional | 5 V tolerant GPIO PB2 whose default function is PB2 and which also carries BOOT1. |
| 21 | PB10 | bidirectional | 5 V tolerant GPIO PB10 with alternate functions I2C1_SCL and USART2_TX; remap TIMER1_CH2. |
| 22 | PB11 | bidirectional | 5 V tolerant GPIO PB11 with alternate functions I2C1_SDA and USART2_RX; remap TIMER1_CH3. |
| 23 | VSS_1 | power_in | Ground pin VSS_1. |
| 24 | VDD_1 | power_in | Supply pin VDD_1; the table gives no voltage limit for it. |
| 25 | PB12 | bidirectional | 5 V tolerant GPIO PB12 with alternate functions SPI1_NSS, I2C1_SMBA, USART2_CK, TIMER0_BRKIN and I2S1_WS. |
| 26 | PB13 | bidirectional | 5 V tolerant GPIO PB13 with alternate functions SPI1_SCK, USART2_CTS, TIMER0_CH0_ON and I2S1_CK. |
| 27 | PB14 | bidirectional | 5 V tolerant GPIO PB14 with alternate functions SPI1_MISO, USART2_RTS, TIMER0_CH1_ON and TIMER11_CH0 (CG devices). |
| 28 | PB15 | bidirectional | 5 V tolerant GPIO PB15 with alternate functions SPI1_MOSI, TIMER0_CH2_ON, I2S1_SD and TIMER11_CH1 (CG devices). |
| 29 | PA8 | bidirectional | 5 V tolerant GPIO PA8 with alternate functions USART0_CK, TIMER0_CH0, CK_OUT0 and CTC_SYNC. |
| 30 | PA9 | bidirectional | 5 V tolerant GPIO PA9 with alternate functions USART0_TX and TIMER0_CH1. |
| 31 | PA10 | bidirectional | 5 V tolerant GPIO PA10 with alternate functions USART0_RX and TIMER0_CH2. |
| 32 | PA11 | bidirectional | 5 V tolerant GPIO PA11 with alternate functions USART0_CTS, CAN0_RX, USBDM and TIMER0_CH3. |
| 33 | PA12 | bidirectional | 5 V tolerant GPIO PA12 with alternate functions USART0_RTS, CAN0_TX, TIMER0_ETI and USBDP. |
| 34 | PA13 | bidirectional | 5 V tolerant GPIO PA13 whose default function is JTMS/SWDIO; remap PA13. |
| 35 | VSS_2 | power_in | Ground pin VSS_2. |
| 36 | VDD_2 | power_in | Supply pin VDD_2; the table gives no voltage limit for it. |
| 37 | PA14 | bidirectional | 5 V tolerant GPIO PA14 whose default function is JTCK/SWCLK; remap PA14. |
| 38 | PA15 | bidirectional | 5 V tolerant GPIO PA15 whose default function is JTDI, with alternate functions SPI2_NSS and I2S2_WS; remaps include TIMER1_CH0, TIMER1_ETI and SPI0_NSS. |
| 39 | PB3 | bidirectional | 5 V tolerant GPIO PB3 whose default function is JTDO, with alternate functions SPI2_SCK and I2S2_CK; remaps include TRACESWO, TIMER1_CH1 and SPI0_SCK. |
| 40 | PB4 | bidirectional | 5 V tolerant GPIO PB4 whose default function is NJTRST, with alternate function SPI2_MISO; remaps include TIMER2_CH0 and SPI0_MISO. |
| 41 | PB5 | bidirectional | GPIO PB5 (not marked 5 V tolerant in the table) with alternate functions I2C0_SMBA, SPI2_MOSI and I2S2_SD; remaps TIMER2_CH1 and SPI0_MOSI. |
| 42 | PB6 | bidirectional | 5 V tolerant GPIO PB6 with alternate functions I2C0_SCL and TIMER3_CH0; remaps USART0_TX and SPI0_IO2. |
| 43 | PB7 | bidirectional | 5 V tolerant GPIO PB7 with alternate functions I2C0_SDA and TIMER3_CH1; remaps USART0_RX and SPI0_IO3. |
| 44 | BOOT0 | input | Boot-mode input with default function BOOT0. |
| 45 | PB8 | bidirectional | 5 V tolerant GPIO PB8 with alternate functions TIMER3_CH2 and TIMER9_CH0 (CG devices); remaps I2C0_SCL and CAN0_RX. |
| 46 | PB9 | bidirectional | 5 V tolerant GPIO PB9 with alternate functions TIMER3_CH3 and TIMER10_CH0 (CG devices); remaps I2C0_SDA and CAN0_TX. |
| 47 | VSS_3 | power_in | Ground pin VSS_3. |
| 48 | VDD_3 | power_in | Supply pin VDD_3; the table gives no voltage limit for it. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | GigaDevice Semicon Beijing |
| Package | LQFP-48(7x7) |
| Category | Embedded Processors & Controllers |
| Pins | 48 |
CAD (KiCad official)
- Symbol:
GD32F303CGT6 - Footprint:
Package_QFP:LQFP-48_7x7mm_P0.5mm - 3D model: LQFP-48(7x7) (KiCad packages3D, STEP)
- 3D model files:
gd32f303cgt6-etched.step/gd32f303cgt6-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);gd32f303cgt6.step/gd32f303cgt6.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: GigaDevice Semicon Beijing datasheet (91 pp, sha256
b051a816cf2b71d0, retrieved 2026-10-09, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-haiku-5-5(text), consensusclaude-sonnet-5-5(agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish. - CAD: KiCad official libraries (CC-BY-SA 4.0).
# GD32F303CGT6
**GigaDevice Semicon Beijing** · Microcontrollers (MCU/MPU/SOC) · LQFP-48(7x7)
GD32F303CGT6 from GigaDevice Semicon Beijing, in a LQFP-48(7x7). Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.
## Pinout
| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | VBAT | power_in | Power pin named VBAT in the LQFP48 pin definition table; the table gives no voltage limit for it. |
| 2 | PC13-TAMPER-RTC | bidirectional | GPIO PC13 by default, with alternate function TAMPER-RTC; the table does not mark this pin as 5 V tolerant. |
| 3 | PC14-OSC32IN | bidirectional | GPIO PC14 by default, with alternate function OSC32IN; the table does not mark this pin as 5 V tolerant. |
| 4 | PC15-OSC32OUT | bidirectional | GPIO PC15 by default, with alternate function OSC32OUT; the table does not mark this pin as 5 V tolerant. |
| 5 | OSCIN | input | Default function OSCIN (external oscillator input); can be remapped to PD0, which cannot be used for EXTI in this package. |
| 6 | OSCOUT | output | Default function OSCOUT (external oscillator output); can be remapped to PD1, which cannot be used for EXTI in this package. |
| 7 | NRST | bidirectional | Reset pin with default function NRST, shown as I/O in the pin table. |
| 8 | VSSA | power_in | Analog ground pin with default function VSSA. |
| 9 | VDDA | power_in | Analog supply pin with default function VDDA; the table gives no voltage limit for it. |
| 10 | PA0-WKUP | bidirectional | GPIO PA0 with alternate functions WKUP, USART1_CTS, ADC012_IN0, TIMER1_CH0, TIMER1_ETI and TIMER4_CH0. |
| 11 | PA1 | bidirectional | GPIO PA1 with alternate functions USART1_RTS, ADC012_IN1, TIMER1_CH1 and TIMER4_CH1. |
| 12 | PA2 | bidirectional | GPIO PA2 with alternate functions USART1_TX, ADC012_IN2, TIMER1_CH2, TIMER4_CH2, TIMER8_CH0 (CG devices) and SPI0_IO2. |
| 13 | PA3 | bidirectional | GPIO PA3 with alternate functions USART1_RX, ADC012_IN3, TIMER1_CH3, TIMER4_CH3, TIMER8_CH1 (CG devices) and SPI0_IO3. |
| 14 | PA4 | bidirectional | GPIO PA4 with alternate functions SPI0_NSS, USART1_CK, ADC01_IN4 and DAC_OUT0; remap SPI2_NSS, I2S2_WS. |
| 15 | PA5 | bidirectional | GPIO PA5 with alternate functions SPI0_SCK, ADC01_IN5 and DAC_OUT1. |
| 16 | PA6 | bidirectional | GPIO PA6 with alternate functions SPI0_MISO, ADC01_IN6, TIMER2_CH0 and TIMER12_CH0 (CG devices); remap TIMER0_BRKIN. |
| 17 | PA7 | bidirectional | GPIO PA7 with alternate functions SPI0_MOSI, ADC01_IN7, TIMER2_CH1 and TIMER13_CH0 (CG devices); remap TIMER0_CH0_ON. |
| 18 | PB0 | bidirectional | GPIO PB0 with alternate functions ADC01_IN8 and TIMER2_CH2; remap TIMER0_CH1_ON. |
| 19 | PB1 | bidirectional | GPIO PB1 with alternate functions ADC01_IN9 and TIMER2_CH3; remap TIMER0_CH2_ON. |
| 20 | PB2 | bidirectional | 5 V tolerant GPIO PB2 whose default function is PB2 and which also carries BOOT1. |
| 21 | PB10 | bidirectional | 5 V tolerant GPIO PB10 with alternate functions I2C1_SCL and USART2_TX; remap TIMER1_CH2. |
| 22 | PB11 | bidirectional | 5 V tolerant GPIO PB11 with alternate functions I2C1_SDA and USART2_RX; remap TIMER1_CH3. |
| 23 | VSS_1 | power_in | Ground pin VSS_1. |
| 24 | VDD_1 | power_in | Supply pin VDD_1; the table gives no voltage limit for it. |
| 25 | PB12 | bidirectional | 5 V tolerant GPIO PB12 with alternate functions SPI1_NSS, I2C1_SMBA, USART2_CK, TIMER0_BRKIN and I2S1_WS. |
| 26 | PB13 | bidirectional | 5 V tolerant GPIO PB13 with alternate functions SPI1_SCK, USART2_CTS, TIMER0_CH0_ON and I2S1_CK. |
| 27 | PB14 | bidirectional | 5 V tolerant GPIO PB14 with alternate functions SPI1_MISO, USART2_RTS, TIMER0_CH1_ON and TIMER11_CH0 (CG devices). |
| 28 | PB15 | bidirectional | 5 V tolerant GPIO PB15 with alternate functions SPI1_MOSI, TIMER0_CH2_ON, I2S1_SD and TIMER11_CH1 (CG devices). |
| 29 | PA8 | bidirectional | 5 V tolerant GPIO PA8 with alternate functions USART0_CK, TIMER0_CH0, CK_OUT0 and CTC_SYNC. |
| 30 | PA9 | bidirectional | 5 V tolerant GPIO PA9 with alternate functions USART0_TX and TIMER0_CH1. |
| 31 | PA10 | bidirectional | 5 V tolerant GPIO PA10 with alternate functions USART0_RX and TIMER0_CH2. |
| 32 | PA11 | bidirectional | 5 V tolerant GPIO PA11 with alternate functions USART0_CTS, CAN0_RX, USBDM and TIMER0_CH3. |
| 33 | PA12 | bidirectional | 5 V tolerant GPIO PA12 with alternate functions USART0_RTS, CAN0_TX, TIMER0_ETI and USBDP. |
| 34 | PA13 | bidirectional | 5 V tolerant GPIO PA13 whose default function is JTMS/SWDIO; remap PA13. |
| 35 | VSS_2 | power_in | Ground pin VSS_2. |
| 36 | VDD_2 | power_in | Supply pin VDD_2; the table gives no voltage limit for it. |
| 37 | PA14 | bidirectional | 5 V tolerant GPIO PA14 whose default function is JTCK/SWCLK; remap PA14. |
| 38 | PA15 | bidirectional | 5 V tolerant GPIO PA15 whose default function is JTDI, with alternate functions SPI2_NSS and I2S2_WS; remaps include TIMER1_CH0, TIMER1_ETI and SPI0_NSS. |
| 39 | PB3 | bidirectional | 5 V tolerant GPIO PB3 whose default function is JTDO, with alternate functions SPI2_SCK and I2S2_CK; remaps include TRACESWO, TIMER1_CH1 and SPI0_SCK. |
| 40 | PB4 | bidirectional | 5 V tolerant GPIO PB4 whose default function is NJTRST, with alternate function SPI2_MISO; remaps include TIMER2_CH0 and SPI0_MISO. |
| 41 | PB5 | bidirectional | GPIO PB5 (not marked 5 V tolerant in the table) with alternate functions I2C0_SMBA, SPI2_MOSI and I2S2_SD; remaps TIMER2_CH1 and SPI0_MOSI. |
| 42 | PB6 | bidirectional | 5 V tolerant GPIO PB6 with alternate functions I2C0_SCL and TIMER3_CH0; remaps USART0_TX and SPI0_IO2. |
| 43 | PB7 | bidirectional | 5 V tolerant GPIO PB7 with alternate functions I2C0_SDA and TIMER3_CH1; remaps USART0_RX and SPI0_IO3. |
| 44 | BOOT0 | input | Boot-mode input with default function BOOT0. |
| 45 | PB8 | bidirectional | 5 V tolerant GPIO PB8 with alternate functions TIMER3_CH2 and TIMER9_CH0 (CG devices); remaps I2C0_SCL and CAN0_RX. |
| 46 | PB9 | bidirectional | 5 V tolerant GPIO PB9 with alternate functions TIMER3_CH3 and TIMER10_CH0 (CG devices); remaps I2C0_SDA and CAN0_TX. |
| 47 | VSS_3 | power_in | Ground pin VSS_3. |
| 48 | VDD_3 | power_in | Supply pin VDD_3; the table gives no voltage limit for it. |
## Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | GigaDevice Semicon Beijing |
| Package | LQFP-48(7x7) |
| Category | Embedded Processors & Controllers |
| Pins | 48 |
## CAD (KiCad official)
- Symbol: `GD32F303CGT6`
- Footprint: `Package_QFP:LQFP-48_7x7mm_P0.5mm`
- 3D model: LQFP-48(7x7) (KiCad packages3D, STEP)
- 3D model files: `gd32f303cgt6-etched.step` / `gd32f303cgt6-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `gd32f303cgt6.step` / `gd32f303cgt6.glb` are the bare package body.
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [GigaDevice Semicon Beijing datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588919983217266688) (91 pp, sha256 `b051a816cf2b71d0`, retrieved 2026-10-09, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-haiku-5-5` (text), consensus `claude-sonnet-5-5` (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.
- **CAD:** KiCad official libraries (CC-BY-SA 4.0).
[Datasheet PDF](docs/gd32f303cgt6-datasheet.pdf)