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GD32F425RET6

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GigaDevice Semicon Beijing Microcontrollers (MCU/MPU/SOC), LQFP-64(10x10). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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GD32F425RET6

GigaDevice Semicon Beijing · Microcontrollers (MCU/MPU/SOC) · LQFP-64(10x10)

GD32F425RET6 from GigaDevice Semicon Beijing, in a LQFP-64(10x10). 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 Backup power supply pin (default function VBAT); the block diagram shows the backup domain powered by VBAT.
2 PC13-TAMPER-RTC bidirectional 5 V tolerant I/O with default function PC13, alternate function EVENTOUT, and additional functions RTC_TAMP0, RTC_OUT and RTC_TS.
3 PC14-OSC32IN bidirectional 5 V tolerant I/O with default function PC14, alternate function EVENTOUT, and additional function OSC32IN.
4 PC15-OSC32OUT bidirectional 5 V tolerant I/O with default function PC15, alternate function EVENTOUT, and additional function OSC32OUT.
5 PH0 bidirectional 5 V tolerant I/O with default function PH0/OSCIN, alternate function EVENTOUT, and additional function OSCIN.
6 PH1 bidirectional 5 V tolerant I/O with default function PH1/OSCOUT, alternate function EVENTOUT, and additional function OSCOUT.
7 NRST input Reset pin (default function NRST); its characteristics are given in section 4.11 and the recommended external circuit in Figure 4-4.
8 PC0 bidirectional 5 V tolerant I/O with default function PC0, alternate functions USBHS_ULPI_STP and EVENTOUT, and additional function ADC012_IN10.
9 PC1 bidirectional 5 V tolerant I/O with default function PC1, alternate functions SPI2_MOSI, I2S2_SD, SPI1_MOSI, I2S1_SD and EVENTOUT, and additional function ADC012_IN11.
10 PC2 bidirectional 5 V tolerant I/O with default function PC2, alternate functions SPI1_MISO, I2S1_ADD_SD, USBHS_ULPI_DIR and EVENTOUT, and additional function ADC012_IN12.
11 PC3 bidirectional 5 V tolerant I/O with default function PC3, alternate functions SPI1_MOSI, I2S1_SD, USBHS_ULPI_NXT and EVENTOUT, and additional function ADC012_IN13.
12 VSSA power_in Analog ground pin (default function VSSA).
13 VDDA power_in Analog supply pin (default function VDDA).
14 PA0-WKUP bidirectional 5 V tolerant I/O with default function PA0, alternate functions TIMER1_CH0, TIMER1_ETI, TIMER4_CH0, TIMER7_ETI, USART1_CTS, UART3_TX and EVENTOUT, and additional functions ADC012_IN0 and WKUP.
15 PA1 bidirectional 5 V tolerant I/O with default function PA1, alternate functions TIMER1_CH1, TIMER4_CH1, USART1_RTS, UART3_RX and EVENTOUT, and additional function ADC012_IN1.
16 PA2 bidirectional 5 V tolerant I/O with default function PA2, alternate functions TIMER1_CH2, TIMER4_CH2, TIMER8_CH0, I2S_CKIN, USART1_TX and EVENTOUT, and additional function ADC012_IN2.
17 PA3 bidirectional 5 V tolerant I/O with default function PA3, alternate functions TIMER1_CH3, TIMER4_CH3, TIMER8_CH1, I2S1_MCK, USART1_RX, USBHS_ULPI_D0 and EVENTOUT, and additional function ADC012_IN3.
18 VSS power_in Ground pin (default function VSS).
19 VDD power_in Digital supply pin (default function VDD).
20 PA4 bidirectional I/O with default function PA4 (no 5VT level is marked for this pin), alternate functions SPI0_NSS, SPI2_NSS/I2S2_WS, USART1_CK, USBHS_SOF, DCI_HSYNC and EVENTOUT, and additional functions ADC01_IN4 and DAC_OUT0.
21 PA5 bidirectional I/O with default function PA5 (no 5VT level is marked for this pin), alternate functions TIMER1_CH0, TIMER1_ETI, TIMER7_CH0_ON, SPI0_SCK, USBHS_ULPI_CK and EVENTOUT, and additional functions ADC01_IN5 and DAC_OUT1.
22 PA6 bidirectional 5 V tolerant I/O with default function PA6, alternate functions TIMER0_BRKIN, TIMER2_CH0, TIMER7_BRKIN, SPI0_MISO, I2S1_MCK, TIMER12_CH0, SDIO_CMD, DCI_PIXCLK and EVENTOUT, and additional function ADC01_IN6.
23 PA7 bidirectional 5 V tolerant I/O with default function PA7, alternate functions TIMER0_CH0_ON, TIMER2_CH1, TIMER7_CH0_ON, SPI0_MOSI, TIMER13_CH0 and EVENTOUT, and additional function ADC01_IN7.
24 PC4 bidirectional 5 V tolerant I/O with default function PC4, alternate function EVENTOUT, and additional function ADC01_IN14.
25 PC5 bidirectional 5 V tolerant I/O with default function PC5, alternate functions USART2_RX and EVENTOUT, and additional function ADC01_IN15.
26 PB0 bidirectional 5 V tolerant I/O with default function PB0, alternate functions TIMER0_CH1_ON, TIMER2_CH2, TIMER7_CH1_ON, SPI2_MOSI, I2S2_SD, USBHS_ULPI_D1, SDIO_D1 and EVENTOUT, and additional functions ADC01_IN8 and IREF.
27 PB1 bidirectional 5 V tolerant I/O with default function PB1, alternate functions TIMER0_CH2_ON, TIMER2_CH3, TIMER7_CH2_ON, USBHS_ULPI_D2, SDIO_D2 and EVENTOUT, and additional function ADC01_IN9.
28 PB2 bidirectional 5 V tolerant I/O with default functions PB2 and BOOT1, alternate functions TIMER1_CH3, SPI2_MOSI, I2S2_SD, USBHS_ULPI_D4, SDIO_CK and EVENTOUT.
29 PB10 bidirectional 5 V tolerant I/O with default function PB10, alternate functions TIMER1_CH2, I2C1_SCL, SPI1_SCK, I2S1_CK, I2S2_MCK, USART2_TX, USBHS_ULPI_D3, SDIO_D7 and EVENTOUT.
30 PB11 bidirectional 5 V tolerant I/O with default function PB11, alternate functions TIMER1_CH3, I2C1_SDA, I2S_CKIN, USART2_RX, USBHS_ULPI_D4 and EVENTOUT.
31 NC unconnected Not connected.
32 VDD power_in Digital supply pin (default function VDD).
33 PB12 bidirectional 5 V tolerant I/O with default function PB12, alternate functions TIMER0_BRKIN, I2C1_SMBA, SPI1_NSS, I2S1_WS, USART2_CK, CAN1_RX, USBHS_ULPI_D5, USBHS_ID and EVENTOUT.
34 PB13 bidirectional 5 V tolerant I/O with default function PB13, alternate functions TIMER0_CH0_ON, SPI1_SCK, I2S1_CK, USART2_CTS, CAN1_TX, USBHS_ULPI_D6, EVENTOUT and I2C1_TXFRAME, and additional function USBHS_VBUS.
35 PB14 bidirectional 5 V tolerant I/O with default function PB14, alternate functions TIMER0_CH1_ON, TIMER7_CH1_ON, SPI1_MISO, I2S1_ADD_SD, USART2_RTS, TIMER11_CH0, USBHS_DM and EVENTOUT.
36 PB15 bidirectional 5 V tolerant I/O with default function PB15, alternate functions RTC_REFIN, TIMER0_CH2_ON, TIMER7_CH2_ON, SPI1_MOSI, I2S1_SD, TIMER11_CH1, USBHS_DP and EVENTOUT.
37 PC6 bidirectional 5 V tolerant I/O with default function PC6, alternate functions TIMER2_CH0, TIMER7_CH0, I2S1_MCK, USART5_TX, SDIO_D6, DCI_D0 and EVENTOUT.
38 PC7 bidirectional 5 V tolerant I/O with default function PC7, alternate functions TIMER2_CH1, TIMER7_CH1, SPI1_SCK, I2S1_CK, I2S2_MCK, USART5_RX, SDIO_D7, DCI_D1 and EVENTOUT.
39 PC8 bidirectional 5 V tolerant I/O with default function PC8, alternate functions TRACED0, TIMER2_CH2, TIMER7_CH2, USART5_CK, SDIO_D0, DCI_D2 and EVENTOUT.
40 PC9 bidirectional 5 V tolerant I/O with default function PC9, alternate functions CK_OUT1, TIMER2_CH3, TIMER7_CH3, I2C2_SDA, I2S_CKIN, SDIO_D1, DCI_D3 and EVENTOUT.
41 PA8 bidirectional 5 V tolerant I/O with default function PA8, alternate functions CK_OUT0, TIMER0_CH0, I2C2_SCL, USART0_CK, USBFS_SOF, SDIO_D1, EVENTOUT and CTC_SYNC.
42 PA9 bidirectional 5 V tolerant I/O with default function PA9, alternate functions TIMER0_CH1, I2C2_SMBA, SPI1_SCK, I2S1_CK, USART0_TX, SDIO_D2, DCI_D0 and EVENTOUT, and additional function USBFS_VBUS.
43 PA10 bidirectional 5 V tolerant I/O with default function PA10, alternate functions TIMER0_CH2, I2C2_TXFRAME, USART0_RX, USBFS_ID, DCI_D1 and EVENTOUT.
44 PA11 bidirectional 5 V tolerant I/O with default function PA11, alternate functions TIMER0_CH3, USART0_CTS, USART5_TX, CAN0_RX, USBFS_DM and EVENTOUT.
45 PA12 bidirectional 5 V tolerant I/O with default function PA12, alternate functions TIMER0_ETI, USART0_RTS, USART5_RX, CAN0_TX, USBFS_DP and EVENTOUT.
46 PA13 bidirectional 5 V tolerant I/O with default functions JTMS, SWDIO and PA13, alternate function EVENTOUT.
47 NC unconnected Not connected.
48 VDD power_in Digital supply pin (default function VDD).
49 PA14 bidirectional 5 V tolerant I/O with default functions JTCK, SWCLK and PA14, alternate function EVENTOUT.
50 PA15 bidirectional 5 V tolerant I/O with default functions JTDI and PA15, alternate functions TIMER1_CH0, TIMER1_ETI, SPI0_NSS, SPI2_NSS/I2S2_WS, USART0_TX and EVENTOUT.
51 PC10 bidirectional 5 V tolerant I/O with default function PC10, alternate functions SPI2_SCK/I2S2_CK, USART2_TX, UART3_TX, SDIO_D2, DCI_D8 and EVENTOUT.
52 PC11 bidirectional 5 V tolerant I/O with default function PC11, alternate functions I2S2_ADD_SD, SPI2_MISO, USART2_RX, UART3_RX, SDIO_D3, DCI_D4 and EVENTOUT.
53 PC12 bidirectional 5 V tolerant I/O with default function PC12, alternate functions I2C1_SDA, SPI2_MOSI/I2S2_SD, USART2_CK, UART4_TX, SDIO_CK, DCI_D9 and EVENTOUT.
54 PD2 bidirectional 5 V tolerant I/O with default function PD2, alternate functions TIMER2_ETI, UART4_RX, SDIO_CMD, DCI_D11 and EVENTOUT.
55 PB3 bidirectional 5 V tolerant I/O with default functions JTDO and PB3, alternate functions TRACESWO, TIMER1_CH1, SPI0_SCK, SPI2_SCK/I2S2_CK, USART0_RX, I2C1_SDA and EVENTOUT.
56 PB4 bidirectional 5 V tolerant I/O with default functions NJTRST and PB4, alternate functions TIMER2_CH0, I2C0_TXFRAME, SPI0_MISO, SPI2_MISO, I2S2_ADD_SD, I2C2_SDA, SDIO_D0 and EVENTOUT.
57 PB5 bidirectional 5 V tolerant I/O with default function PB5, alternate functions TIMER2_CH1, I2C0_SMBA, SPI0_MOSI, SPI2_MOSI/I2S2_SD, CAN1_RX, USBHS_ULPI_D7, DCI_D10 and EVENTOUT.
58 PB6 bidirectional 5 V tolerant I/O with default function PB6, alternate functions TIMER3_CH0, I2C0_SCL, USART0_TX, CAN1_TX, DCI_D5 and EVENTOUT.
59 PB7 bidirectional 5 V tolerant I/O with default function PB7, alternate functions TIMER3_CH1, I2C0_SDA, USART0_RX, DCI_VSYNC and EVENTOUT.
60 BOOT0 bidirectional 5 V tolerant I/O with default function BOOT0.
61 PB8 bidirectional 5 V tolerant I/O with default function PB8, alternate functions TIMER1_CH0, TIMER1_ETI, TIMER3_CH2, TIMER9_CH0, I2C0_SCL, CAN0_RX, SDIO_D4, DCI_D6 and EVENTOUT.
62 PB9 bidirectional 5 V tolerant I/O with default function PB9, alternate functions TIMER1_CH1, TIMER3_CH3, TIMER10_CH0, I2C0_SDA, SPI1_NSS/I2S1_WS, CAN0_TX, SDIO_D5, DCI_D7 and EVENTOUT.
63 VSS power_in Ground pin (default function VSS).
64 VDD power_in Digital supply pin (default function VDD).

Key specifications

Parameter Value
Manufacturer GigaDevice Semicon Beijing
Package LQFP-64(10x10)
Category Embedded Processors & Controllers
Pins 64

Electrical characteristics

Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).

Parameter Symbol Min Typ Max Unit Conditions Page
External voltage range VDD 3.6 V 61
External analog supply voltage VDDA 3.6 V 61
External battery supply voltage VBAT 3.6 V 61
Input voltage on other I/O VIN 3.6 V Input voltage on other I/O 61
Variations between different VDD power pins /ΔVDDX/ 50 mV 61
Variations between different ground pins /VSSX −VSS/ 50 mV 61
Maximum current for GPIO pins IIO 25 mA 61
Operating temperature range TA -40 85 °C 61
Power dissipation at TA = 85°C of LQFP64 PD 772 mW Power dissipation at TA = 85°C of LQFP64 61
Storage temperature range TSTG -65 150 °C 61
Maximum junction temperature TJ 125 °C 61
Supply voltage VDD 2.6 3.3 3.6 V 61
Analog supply voltage VDDA 2.6 3.3 3.6 V Same as VDD 61
Battery supply voltage VBAT 1.8 3.6 V 61
AHB clock frequency fHCLK 200 MHz 62
APB1 clock frequency fAPB1 50 MHz 62
APB2 clock frequency fAPB2 100 MHz 62
Electrostatic discharge voltage (human body model) VESD(HBM) 2000 V TA=25 °C; JS-001-2017 71
Electrostatic discharge voltage (charge device model) VESD(CDM) 500 V TA=25 °C; JS-002-2018 71
Static latch-up I-test LU -200 200 mA TA=105 °C; JESD78 71
Vsupply over voltage 5.4 V 71
Crystal or ceramic frequency fHXTAL 4 25 32 MHz 2.6 V ≤ VDD ≤ 3.6 V 71
Recommended matching capacitance on OSCIN and OSCOUT CHXTAL 20 30 pF 71
Crystal or ceramic duty cycle Ducy(HXTAL) 30 50 70 % 71
External clock source or oscillator frequency fHXTAL_ext 1 50 MHz 2.6 V ≤ VDD ≤ 3.6 V 72
OSCIN high or low time tH/L(HXTAL) 5 ns 72
OSCIN rise or fall time tR/F(HXTAL) 10 ns 72
Duty cycle Ducy(HXTAL) 40 60 % 72
External clock source or oscillator frequency fLXTAL_ext 32.768 1000 kHz VDD = 3.3 V 73
OSC32IN high or low time tH/L(LXTAL) 450 ns 73
OSC32IN rise or fall time tR/F(LXTAL) 50 ns 73
Duty cycle Ducy(LXTAL) 30 50 70 % 73
IRC16M oscillator Frequency accuracy, Factory-trimmed ACCIRC16M -1.73 1.1 % VDD = VDDA = 3.3 V, TA = -40 °C ~ +85 °C 73
IRC16M oscillator Frequency accuracy, Factory-trimmed ACCIRC16M -1 1 % VDD = VDDA = 3.3 V, TA = 25 °C 73
IRC48M oscillator Frequency accuracy, Factory-trimmed ACCIRC48M -1.31 -0.39 % VDD = VDDA = 3.3 V, TA = -40 °C ~ +85 °C 73
PLL input clock frequency fPLLIN 1 4 MHz 74
PLL output clock frequency fPLLOUT 100 500 MHz 74
PLL VCO output clock frequency fVCO 32 344 MHz 74
PLL lock time tLOCK 400 μs 74
Number of guaranteed program/erase cycles before failure (Endurance) PECYC 100 kcycles TA = -40 °C ~ +85 °C 76
Word programming time tPROG 37.5 180 μs TA = -40°C ~ +85 °C 76
Mass erase time (512K) tMERASE(512K) 2.4 32 s TA = -40°C ~ +85 °C 76
NRST Input low level voltage VIL(NRST) -0.3 V VDD = VDDA = 2.6 V 76
USBFS startup time tSTARTUP 1 μs 89
USBFS operating voltage VDD 3 3.6 V 89
Low level output voltage for an IO Pin (IO_Speed:level 3) VOL 0.1 V IIO = +8 mA; IO_Speed:level 3; VDD = 3.3 V 77
Low level output voltage for an IO Pin (IO_Speed:level 3) VOL 0.27 V IIO = +20 mA; IO_Speed:level 3; VDD = 3.3 V 77
High level output voltage for an IO Pin (IO_Speed:level 3) VOH 3.18 V IIO = +8 mA; IO_Speed:level 3; VDD = 3.3 V 77
High level output voltage for an IO Pin (IO_Speed:level 3) VOH 2.98 V IIO = +20 mA; IO_Speed:level 3; VDD = 3.3 V 77
Low level output voltage for an IO Pin (IO_Speed:level 0) VOL 0.15 V IIO = +1 mA; IO_Speed:level 0; VDD = 3.3 V 78
Low level output voltage for an IO Pin (IO_Speed:level 0) VOL 0.63 V IIO = +4 mA; IO_Speed:level 0; VDD = 3.3 V 78
High level output voltage for an IO Pin (IO_Speed:level 0) VOH 3.12 V IIO = +1 mA; IO_Speed:level 0; VDD = 3.3 V 78
High level output voltage for an IO Pin (IO_Speed:level 0) VOH 2.48 V IIO = +4 mA; IO_Speed:level 0; VDD = 3.3 V 78
Low level output voltage for an IO Pin (IO_Speed:level 1) VOL 0.28 V IIO = +8 mA; IO_Speed:level 1; VDD = 3.3 V 78
Low level output voltage for an IO Pin (IO_Speed:level 1) VOL 0.66 V IIO = +20 mA; IO_Speed:level 1; VDD = 3.3 V 78
High level output voltage for an IO Pin (IO_Speed:level 1) VOH 3 V IIO = +8 mA; IO_Speed:level 1; VDD = 3.3 V 78
High level output voltage for an IO Pin (IO_Speed:level 1) VOH 2.45 V IIO = +20 mA; IO_Speed:level 1; VDD = 3.3 V 78
Junction-to-ambient thermal resistance (LQFP64) θJA 51.81 °C/W Natural convection, 2S2P PCB 100
Junction-to-board thermal resistance (LQFP64) θJB 33.36 °C/W Cold plate, 2S2P PCB 101
Junction-to-case thermal resistance (LQFP64) θJC 11.25 °C/W Cold plate, 2S2P PCB 101

CAD (KiCad official)

  • Symbol: GD32F425RET6
  • Footprint: Package_QFP:LQFP-64_10x10mm_P0.5mm
  • 3D model: LQFP-64(10x10) (KiCad packages3D, STEP)
  • 3D model files: gd32f425ret6-etched.step / gd32f425ret6-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); gd32f425ret6.step / gd32f425ret6.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

  • Datasheet: GigaDevice Semicon Beijing datasheet (104 pp, sha256 21eb95dfda9a015d, retrieved 2026-10-19, 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