component
GD32F103RET6
Public Made by Adomby adom
GigaDevice Semicon Beijing Microcontrollers (MCU/MPU/SOC), LQFP-64(10x10). Datasheet-verified pinout, KiCad symbol/footprint/3D.
3D Model
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Symbol & Footprint
Schematic Symbol
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PCB Footprint
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Datasheet
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README
markdownGD32F103RET6
GigaDevice Semicon Beijing · Microcontrollers (MCU/MPU/SOC) · LQFP-64(10x10)
GD32F103RET6 from GigaDevice Semicon Beijing, in a LQFP-64(10x10). Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.
Pinout
| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | VBAT | power_in | Battery supply (1.8-3.6V) for RTC, oscillator, and backup registers when VDD is absent. |
| 2 | PC13-TAMPER-RTC | bidirectional | GPIO port C bit 13; alternate function TAMPER-RTC for RTC tamper input. |
| 3 | PC14-OSC32IN | bidirectional | GPIO port C bit 14; alternate function OSC32IN for 32.768 kHz oscillator input. |
| 4 | PC15-OSC32OUT | bidirectional | GPIO port C bit 15; alternate function OSC32OUT for 32.768 kHz oscillator output. |
| 5 | OSCIN | input | High-speed (4-16 MHz) crystal oscillator input. |
| 6 | OSCOUT | output | High-speed (4-16 MHz) crystal oscillator output. |
| 7 | NRST | bidirectional | Active-low reset input with 40 kΩ internal pull-up; device enters reset when below 0.3·VDD. |
| 8 | PC0 | bidirectional | GPIO port C bit 0; alternate function ADC012_IN10 for analog input. |
| 9 | PC1 | bidirectional | GPIO port C bit 1; alternate function ADC012_IN11 for analog input. |
| 10 | PC2 | bidirectional | GPIO port C bit 2; alternate function ADC012_IN12 for analog input. |
| 11 | PC3 | bidirectional | GPIO port C bit 3; alternate function ADC012_IN13 for analog input. |
| 12 | VSSA | power_in | Ground for analog circuits; must be connected to VSS. |
| 13 | VDDA | power_in | Analog supply (2.6-3.6V); must connect to VDD with maximum 300 mV difference. |
| 14 | PA0-WKUP | bidirectional | GPIO port A bit 0; wake-up pin and alternate functions USART1_CTS, ADC012_IN0, TIMER1_CH0, TIMER1_ETI, TIMER4_CH0, TIMER7_ETI. |
| 15 | PA1 | bidirectional | GPIO port A bit 1; alternate functions USART1_RTS, ADC012_IN1, TIMER1_CH1, TIMER4_CH1. |
| 16 | PA2 | bidirectional | GPIO port A bit 2; alternate functions USART1_TX, ADC012_IN2, TIMER1_CH2, TIMER4_CH2, TIMER8_CH0. |
| 17 | PA3 | bidirectional | GPIO port A bit 3; alternate functions USART1_RX, ADC012_IN3, TIMER1_CH3, TIMER4_CH3, TIMER8_CH1. |
| 18 | VSS_4 | power_in | Ground for power supply decoupling. |
| 19 | VDD_4 | power_in | Digital power supply (2.6-3.6V) for I/O and internal circuits. |
| 20 | PA4 | bidirectional | GPIO port A bit 4; alternate functions SPI0_NSS, USART1_CK, ADC01_IN4, DAC0_OUT0. |
| 21 | PA5 | bidirectional | GPIO port A bit 5; alternate functions SPI0_SCK, ADC01_IN5, DAC0_OUT1. |
| 22 | PA6 | bidirectional | GPIO port A bit 6; alternate functions SPI0_MISO, ADC01_IN6, TIMER2_CH0, TIMER7_BRKIN, TIMER12_CH0. |
| 23 | PA7 | bidirectional | GPIO port A bit 7; alternate functions SPI0_MOSI, ADC01_IN7, TIMER2_CH1, TIMER7_CH0_ON, TIMER13_CH0. |
| 24 | PC4 | bidirectional | GPIO port C bit 4; alternate function ADC01_IN14 for analog input. |
| 25 | PC5 | bidirectional | GPIO port C bit 5; alternate function ADC01_IN15 for analog input. |
| 26 | PB0 | bidirectional | GPIO port B bit 0; alternate functions ADC01_IN8, TIMER2_CH2, TIMER7_CH1_ON. |
| 27 | PB1 | bidirectional | GPIO port B bit 1; alternate functions ADC01_IN9, TIMER2_CH3, TIMER7_CH2_ON. |
| 28 | PB2 | bidirectional | GPIO port B bit 2 / BOOT1 selector; 5V-tolerant I/O for boot mode selection. |
| 29 | PB10 | bidirectional | GPIO port B bit 10; 5V-tolerant I/O; alternate functions I2C1_SCL, USART2_TX. |
| 30 | PB11 | bidirectional | GPIO port B bit 11; 5V-tolerant I/O; alternate functions I2C1_SDA, USART2_RX. |
| 31 | VSS_1 | power_in | Ground for power supply decoupling. |
| 32 | VDD_1 | power_in | Digital power supply (2.6-3.6V) for I/O and internal circuits. |
| 33 | PB12 | bidirectional | GPIO port B bit 12; 5V-tolerant I/O; alternate functions SPI1_NSS, I2C1_SMBA, USART2_CK, TIMER0_BRKIN, I2S1_WS. |
| 34 | PB13 | bidirectional | GPIO port B bit 13; 5V-tolerant I/O; alternate functions SPI1_SCK, USART2_CTS, TIMER0_CH0_ON, I2S1_CK. |
| 35 | PB14 | bidirectional | GPIO port B bit 14; 5V-tolerant I/O; alternate functions SPI1_MISO, USART2_RTS, TIMER0_CH1_ON, TIMER11_CH0. |
| 36 | PB15 | bidirectional | GPIO port B bit 15; 5V-tolerant I/O; alternate functions SPI1_MOSI, TIMER0_CH2_ON, I2S1_SD, TIMER11_CH1. |
| 37 | PC6 | bidirectional | GPIO port C bit 6; 5V-tolerant I/O; alternate functions I2S1_MCK, TIMER7_CH0, SDIO_D6, remap TIMER2_CH0. |
| 38 | PC7 | bidirectional | GPIO port C bit 7; 5V-tolerant I/O; alternate functions I2S2_MCK, TIMER7_CH1, SDIO_D7, remap TIMER2_CH1. |
| 39 | PC8 | bidirectional | GPIO port C bit 8; 5V-tolerant I/O; alternate functions TIMER7_CH2, SDIO_D0, remap TIMER2_CH2. |
| 40 | PC9 | bidirectional | GPIO port C bit 9; 5V-tolerant I/O; alternate functions TIMER7_CH3, SDIO_D1, remap TIMER2_CH3. |
| 41 | PA8 | bidirectional | GPIO port A bit 8; 5V-tolerant I/O; alternate functions USART0_CK, TIMER0_CH0, CK_OUT0. |
| 42 | PA9 | bidirectional | GPIO port A bit 9; 5V-tolerant I/O; alternate functions USART0_TX, TIMER0_CH1. |
| 43 | PA10 | bidirectional | GPIO port A bit 10; 5V-tolerant I/O; alternate functions USART0_RX, TIMER0_CH2. |
| 44 | PA11 | bidirectional | GPIO port A bit 11; 5V-tolerant I/O; alternate functions USART0_CTS, CAN0_RX, USBDM, TIMER0_CH3. |
| 45 | PA12 | bidirectional | GPIO port A bit 12; 5V-tolerant I/O; alternate functions USART0_RTS, CAN0_TX, TIMER0_ETI, USBDP. |
| 46 | PA13 | bidirectional | GPIO port A bit 13; 5V-tolerant I/O; default JTMS/SWDIO for JTAG/SWD debug interface. |
| 47 | VSS_2 | power_in | Ground for power supply decoupling. |
| 48 | VDD_2 | power_in | Digital power supply (2.6-3.6V) for I/O and internal circuits. |
| 49 | PA14 | bidirectional | GPIO port A bit 14; 5V-tolerant I/O; default JTCK/SWCLK for JTAG/SWD debug interface. |
| 50 | PA15 | bidirectional | GPIO port A bit 15; 5V-tolerant I/O; alternate functions SPI2_NSS, I2S2_WS, TIMER1_CH0, SPI0_NSS. |
| 51 | PC10 | bidirectional | GPIO port C bit 10; 5V-tolerant I/O; alternate functions UART3_TX, SDIO_D2, SPI2_SCK, I2S2_CK. |
| 52 | PC11 | bidirectional | GPIO port C bit 11; 5V-tolerant I/O; alternate functions UART3_RX, SDIO_D3, SPI2_MISO. |
| 53 | PC12 | bidirectional | GPIO port C bit 12; 5V-tolerant I/O; alternate functions UART4_TX, SDIO_CK, SPI2_MOSI, I2S2_SD. |
| 54 | PD2 | bidirectional | GPIO port D bit 2; 5V-tolerant I/O; alternate functions TIMER2_ETI, SDIO_CMD, UART4_RX. |
| 55 | PB3 | bidirectional | GPIO port B bit 3; 5V-tolerant I/O; default JTDO; alternate functions SPI2_SCK, I2S2_CK, TIMER1_CH1, SPI0_SCK, TRACESWO. |
| 56 | PB4 | bidirectional | GPIO port B bit 4; 5V-tolerant I/O; default NJTRST; alternate functions SPI2_MISO, TIMER2_CH0, SPI0_MISO. |
| 57 | PB5 | bidirectional | GPIO port B bit 5; alternate functions I2C0_SMBA, SPI2_MOSI, I2S2_SD, TIMER2_CH1, SPI0_MOSI. |
| 58 | PB6 | bidirectional | GPIO port B bit 6; 5V-tolerant I/O; alternate functions I2C0_SCL, TIMER3_CH0, remap USART0_TX. |
| 59 | PB7 | bidirectional | GPIO port B bit 7; 5V-tolerant I/O; alternate functions I2C0_SDA, TIMER3_CH1, remap USART0_RX. |
| 60 | BOOT0 | input | Boot mode selection input; low selects main flash (default), high selects system memory or RAM. |
| 61 | PB8 | bidirectional | GPIO port B bit 8; 5V-tolerant I/O; alternate functions TIMER3_CH2, SDIO_D4, TIMER9_CH0, I2C0_SCL, CAN0_RX. |
| 62 | PB9 | bidirectional | GPIO port B bit 9; 5V-tolerant I/O; alternate functions TIMER3_CH3, SDIO_D5, TIMER10_CH0, I2C0_SDA, CAN0_TX. |
| 63 | VSS_3 | power_in | Ground for power supply decoupling. |
| 64 | VDD_3 | power_in | Digital power supply (2.6-3.6V) for I/O and internal circuits. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | GigaDevice Semicon Beijing |
| Package | LQFP-64(10x10) |
| Category | Embedded Processors & Controllers |
| Pins | 64 |
CAD (KiCad official)
- Symbol:
GD32F103RET6 - Footprint:
Package_QFP:LQFP-64_10x10mm_P0.5mm - 3D model: LQFP-64(10x10) (KiCad packages3D, STEP)
- 3D model files:
gd32f103ret6-etched.step/gd32f103ret6-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);gd32f103ret6.step/gd32f103ret6.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: GigaDevice Semicon Beijing datasheet (112 pp, sha256
53da1a17a1523e83, retrieved 2026-09-17, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.2, primaryclaude-haiku-4-5-20251001(text), consensusclaude-sonnet-4-6(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).