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GD32F305RCT6

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GigaDevice Semicon Beijing Microcontroller Units (MCUs/MPUs/SOCs), LQFP-64(10x10). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

componentembedded processors & controllersgd32f305rct6factory-2.0.0extractor-text
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3D Model

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Symbol & Footprint

Schematic Symbol

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Datasheet

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Contents

README

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GD32F305RCT6

GigaDevice Semicon Beijing · Microcontroller Units (MCUs/MPUs/SOCs) · LQFP-64(10x10)

GD32F305RCT6 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 battery supply pin (default function VBAT).
2 PC13-TAMPER-RTC bidirectional GPIO PC13 by default; alternate function TAMPER, RTC.
3 PC14-OSC32_IN bidirectional GPIO PC14 by default; alternate function OSC32_IN.
4 PC15-OSC32_OUT bidirectional GPIO PC15 by default; alternate function OSC32_OUT.
5 OSC_IN input Oscillator input (default OSC_IN); remappable to PD0.
6 OSC_OUT output Oscillator output (default OSC_OUT); remappable to PD1.
7 NRST bidirectional System reset pin (default NRST).
8 PC0 bidirectional GPIO PC0; alternate function ADC01_IN10.
9 PC1 bidirectional GPIO PC1; alternate function ADC01_IN11.
10 PC2 bidirectional GPIO PC2; alternate function ADC01_IN12.
11 PC3 bidirectional GPIO PC3; alternate function ADC01_IN13.
12 VSSA power_in Analog ground (default VSSA).
13 VDDA power_in Analog power supply (default VDDA).
14 PA0-WKUP bidirectional GPIO PA0; alternate WKUP, USART1_CTS, ADC01_IN0, TIMER1_CH0_ETI, TIMER4_CH0, TIMER7_ETI.
15 PA1 bidirectional GPIO PA1; alternate USART1_RTS, ADC01_IN1, TIMER1_CH1, TIMER4_CH1.
16 PA2 bidirectional GPIO PA2; alternate USART1_TX, ADC01_IN2, TIMER1_CH2, TIMER4_CH2, TIMER8_CH0, SPI0_IO2.
17 PA3 bidirectional GPIO PA3; alternate USART1_RX, ADC01_IN3, TIMER1_CH3, TIMER4_CH3, TIMER8_CH1, SPI0_IO3.
18 VSS_4 power_in Ground (default VSS_4).
19 VDD_4 power_in Digital power supply (default VDD_4).
20 PA4 bidirectional GPIO PA4; alternate SPI0_NSS, USART1_CK, ADC01_IN4, DAC_OUT0; remap SPI2_NSS, I2S2_WS.
21 PA5 bidirectional GPIO PA5; alternate SPI0_SCK, ADC01_IN5, DAC_OUT1.
22 PA6 bidirectional GPIO PA6; alternate SPI0_MISO, ADC01_IN6, TIMER2_CH0, TIMER7_BKIN, TIMER12_CH0; remap TIMER0_BKIN.
23 PA7 bidirectional GPIO PA7; alternate SPI0_MOSI, ADC01_IN7, TIMER2_CH1, TIMER7_CH0_ON, TIMER13_CH0; remap TIMER0_CH0_ON.
24 PC4 bidirectional GPIO PC4; alternate function ADC01_IN14.
25 PC5 bidirectional GPIO PC5; alternate function ADC01_IN15.
26 PB0 bidirectional GPIO PB0; alternate ADC01_IN8, TIMER2_CH2, TIMER7_CH1_ON; remap TIMER0_CH1_ON.
27 PB1 bidirectional GPIO PB1; alternate ADC01_IN9, TIMER2_CH3, TIMER7_CH2_ON; remap TIMER0_CH2_ON.
28 PB2 bidirectional 5V-tolerant GPIO PB2, also BOOT1.
29 PB10 bidirectional 5V-tolerant GPIO PB10; alternate I2C1_SCL, USART2_TX; remap TIMER1_CH2.
30 PB11 bidirectional 5V-tolerant GPIO PB11; alternate I2C1_SDA, USART2_RX; remap TIMER1_CH3.
31 VSS_1 power_in Ground (default VSS_1).
32 VDD_1 power_in Digital power supply (default VDD_1).
33 PB12 bidirectional 5V-tolerant GPIO PB12; alternate SPI1_NSS, I2C1_SMBA, USART2_CK, TIMER0_BKIN, I2S1_WS, CAN1_RX.
34 PB13 bidirectional 5V-tolerant GPIO PB13; alternate SPI1_SCK, USART2_CTS, TIMER0_CH0_ON, I2S1_CK, CAN1_TX.
35 PB14 bidirectional 5V-tolerant GPIO PB14; alternate SPI1_MISO, USART2_RTS, TIMER0_CH1_ON, TIMER11_CH0.
36 PB15 bidirectional 5V-tolerant GPIO PB15; alternate SPI1_MOSI, TIMER0_CH2_ON, I2S1_SD, TIMER11_CH1.
37 PC6 bidirectional 5V-tolerant GPIO PC6; alternate I2S1_MCK, TIMER7_CH0; remap TIMER2_CH0.
38 PC7 bidirectional 5V-tolerant GPIO PC7; alternate I2S2_MCK, TIMER7_CH1; remap TIMER2_CH1.
39 PC8 bidirectional 5V-tolerant GPIO PC8; alternate TIMER7_CH2; remap TIMER2_CH2.
40 PC9 bidirectional 5V-tolerant GPIO PC9; alternate TIMER7_CH3; remap TIMER2_CH3.
41 PA8 bidirectional 5V-tolerant GPIO PA8; alternate USART0_CK, TIMER0_CH0, CK_OUT0, VCORE, USBFS_SOF, CTC_SYNC.
42 PA9 bidirectional 5V-tolerant GPIO PA9; alternate USART0_TX, TIMER0_CH1, USBFS_VBUS.
43 PA10 bidirectional 5V-tolerant GPIO PA10; alternate USART0_RX, TIMER0_CH2, USBFS_ID.
44 PA11 bidirectional 5V-tolerant GPIO PA11; alternate USART0_CTS, CAN0_RX, USBFS_DM, TIMER0_CH3.
45 PA12 bidirectional 5V-tolerant GPIO PA12; alternate USART0_RTS, USBFS_DP, CAN0_TX, TIMER0_ETI.
46 PA13 bidirectional 5V-tolerant pin, default JTMS/SWDIO; remap PA13.
47 VSS_2 power_in Ground (default VSS_2).
48 VDD_2 power_in Digital power supply (default VDD_2).
49 PA14 bidirectional 5V-tolerant pin, default JTCK/SWCLK; remap PA14.
50 PA15 bidirectional 5V-tolerant pin, default JTDI; alternate SPI2_NSS, I2S2_WS; remap TIMER1_CH0_ETI, PA15, SPI0_NSS.
51 PC10 bidirectional 5V-tolerant GPIO PC10; alternate UART3_TX; remap USART2_TX, SPI2_SCK, I2S2_CK.
52 PC11 bidirectional 5V-tolerant GPIO PC11; alternate UART3_RX; remap USART2_RX, SPI2_MISO.
53 PC12 bidirectional 5V-tolerant GPIO PC12; alternate UART4_TX; remap USART2_CK, SPI2_MOSI, I2S2_SD.
54 PD2 bidirectional 5V-tolerant GPIO PD2; alternate TIMER2_ETI, UART4_RX.
55 PB3 bidirectional 5V-tolerant pin, default JTDO; alternate SPI2_SCK, I2S2_CK; remap PB3, TRACESWO, TIMER1_CH1, SPI0_SCK.
56 PB4 bidirectional 5V-tolerant pin, default NJTRST; alternate SPI2_MISO; remap TIMER2_CH0, PB4, SPI0_MISO.
57 PB5 bidirectional GPIO PB5; alternate I2C0_SMBA, SPI2_MOSI, I2S2_SD; remap TIMER2_CH1, SPI0_MOSI, CAN1_RX.
58 PB6 bidirectional 5V-tolerant GPIO PB6; alternate I2C0_SCL, TIMER3_CH0; remap USART0_TX, CAN1_TX, SPI0_IO2.
59 PB7 bidirectional 5V-tolerant GPIO PB7; alternate I2C0_SDA, TIMER3_CH1, EXMC_NADV; remap USART0_RX, SPI0_IO3.
60 BOOT0 input Boot mode selection input (default BOOT0).
61 PB8 bidirectional 5V-tolerant GPIO PB8; alternate TIMER3_CH2, TIMER9_CH0; remap I2C0_SCL, CAN0_RX.
62 PB9 bidirectional 5V-tolerant GPIO PB9; alternate TIMER3_CH3, TIMER10_CH0; remap I2C0_SDA, CAN0_TX.
63 VSS_3 power_in Ground (default VSS_3).
64 VDD_3 power_in Digital power supply (default VDD_3).

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 VSS - 0.3 to VSS + 3.6 35
External analog supply voltage VDDA 3.6 V VSSA - 0.3 to VSSA + 3.6 35
External battery supply voltage VBAT 3.6 V VSS - 0.3 to VSS + 3.6 35
Input voltage on other I/O VIN 4 V VSS - 0.3 min; other I/O 35
Variations between different VDD power pins /ΔVDDx/ 50 mV 35
Variations between different ground pins /VSSX −VSS/ 50 mV 35
Maximum current for GPIO pins IIO 25 mA 35
Operating temperature range TA -40 85 °C 35
Storage temperature range TSTG -55 150 °C 35
Maximum junction temperature TJ 125 °C 35
Supply voltage VDD 2.6 3.3 3.6 V 35
Analog supply voltage VDDA 2.6 3.3 3.6 V Same as VDD 35
Battery supply voltage VBAT 1.8 3.6 V 35
Power on reset threshold VPOR 2.3 2.4 2.48 V 38
Power down reset threshold VPDR 1.72 1.8 1.88 V 38
PDR hysteresis VHYST 0.6 V 38
Reset temporization TRSTTEMP 2 ms 38
ESD voltage (HBM) VESD(HBM) 6000 V TA=25 °C; JESD22-A114 38
ESD voltage (CDM) VESD(CDM) 1000 V TA=25 °C; JESD22-C101 38
Latch-up I-test LU -200 200 mA TA=25 °C; JESD78 38
Latch-up Vsupply over voltage LU 5.4 V TA=25 °C; JESD78 38
HXTAL frequency fHXTAL 4 8 32 MHz VDD=5.0V 39
HXTAL recommended load capacitance CHXTAL 20 30 pF 39
HXTAL duty cycle DHXTAL 30 50 70 % 39
LXTAL duty cycle DLXTAL 30 50 70 % 39
IRC8M accuracy, factory-trimmed ACCIRC8M -4 5 % VDD=3.3V, TA=-40°C ~+105°C 40
IRC8M accuracy, factory-trimmed ACCIRC8M -2 2 % VDD=3.3V, TA=0°C ~ +85°C 40
IRC8M accuracy, factory-trimmed ACCIRC8M -1 1 % VDD=3.3V, TA=25°C 40
IRC8M duty cycle DIRC8M 45 50 55 % VDD=3.3V, fIRC8M=8MHz 40
IRC8M operating current IDDIRC8M 66 80 μA VDD=3.3V, fIRC8M=8MHz 40
IRC8M startup time tSUIRC8M 2.5 4 us VDD=3.3V, fIRC8M=8MHz 40
IRC48M accuracy, factory-trimmed ACCIRC48M -4 5 % VDD=3.3V, TA=-40°C ~+105°C 40
IRC48M accuracy, factory-trimmed ACCIRC48M -3 3 % VDD=3.3V, TA=0°C ~ +85°C 40
IRC48M accuracy, factory-trimmed ACCIRC48M -2 2 % VDD=3.3V, TA=25°C 40
IRC48M duty cycle DIRC48M 45 50 55 % VDD=3.3V, fIRC48M=16MHz 40
IRC48M operating current IDDIRC48M 240 300 μA VDD=3.3V, fIRC48M=16MHz 40
IRC48M startup time tSUIRC48M 2.5 4 us VDD=3.3V, fIRC48M=16MHz 40
IRC32K frequency fIRC32K 20 40 45 KHz VDD=VBAT=3.3V, TA=-40°C ~ +85°C 41
IRC32K operating current IDDIRC32K 0.4 0.6 μA VDD=VBAT=3.3V, TA=25°C 41
IRC32K startup time tSUIRC32K 110 130 μs VDD=VBAT=3.3V, TA=25°C 41
PLL input clock frequency fPLLIN 1 25 MHz 41
PLL output clock frequency fPLLOUT 16 120 MHz 41
PLL VCO output clock frequency fVCOOUT 32 240 MHz 41
PLL lock time tLOCK 300 μs 41
Flash endurance PECYC 100 kcycles TA=-40°C ~ +85°C 42
Flash data retention time tRET 20 years TA=125°C 42
Word programming time tPROG 200 400 us TA=-40°C ~ +85°C 42
Page erase time tERASE 60 100 450 ms TA=-40°C ~ +85°C 42
Mass erase time tMERASE 3.2 9.6 s TA=-40°C ~ +85°C 42
Standard IO low level input voltage VIL 1.29 V VDD=3.3V 43
Standard IO high level input voltage VIH 1.97 V VDD=3.3V 43
Low level output voltage VOL 0.15 V VDD=3.3V, IIO=8mA 43
Low level output voltage VOL 0.4 V VDD=3.3V, IIO=20mA 43
High level output voltage VOH 3.11 V VDD=3.3V, IIO=8mA 43
High level output voltage VOH 2.81 V VDD=3.3V, IIO=20mA 43
Internal pull-up resistor RPU 30 40 50 kΩ All pins VIN=VSS 43
Internal pull-down resistor RPD 30 40 50 kΩ All pins VIN=VDD 43
ADC operating voltage VDDA 2.6 3.3 3.6 V 44
ADC clock fADC 0.1 40 MHz 44
Supply current (Run mode) IDD 45.6 mA VDD=VDDA=3.3V, HXTAL=25MHz, System clock=120MHz, All peripherals enabled 36

CAD (KiCad official)

  • Symbol: GD32F305RCT6
  • Footprint: Package_QFP:LQFP-64_10x10mm_P0.5mm
  • 3D model: LQFP-64(10x10) (KiCad packages3D, STEP)
  • 3D model files: gd32f305rct6-etched.step / gd32f305rct6-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); gd32f305rct6.step / gd32f305rct6.glb are the bare package body.

Provenance

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

  • Datasheet: GigaDevice Semicon Beijing datasheet (51 pp, sha256 956c726d8a363a8c, retrieved 2026-10-22, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-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