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Contents

README

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GD32F330C8T6

GigaDevice Semicon Beijing · Microcontrollers (MCU/MPU/SOC) · LQFP-48(7x7)

GD32F330C8T6 from GigaDevice Semicon Beijing, in a LQFP-48(7x7). 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 for RTC, backup registers, and 32kHz oscillator during VDD loss (1.8-3.6V).
2 PC13-TAMPER/RTC bidirectional GPIO with RTC alternate functions (RTC_TAMP0, RTC_TS, RTC_OUT, WKUP1).
3 PC14-OSC32IN bidirectional GPIO configured as 32kHz oscillator input (OSC32IN).
4 PC15-OSC32OUT bidirectional GPIO configured as 32kHz oscillator output (OSC32OUT).
5 PF0-OSCIN bidirectional GPIO/main oscillator input (OSCIN), 5V-tolerant, alternate CTC_SYNC.
6 PF1-OSCOUT bidirectional GPIO/main oscillator output (OSCOUT), 5V-tolerant.
7 NRST input Reset input (active low) for processor and peripherals.
8 VSSA power_in Analog ground reference (2.6-3.6V range).
9 VDDA power_in Analog power supply for ADC, reset, oscillators, and PLL (2.6-3.6V).
10 PA0-WKUP bidirectional GPIO with USART/I2C/TIMER alternates; ADC channel 0; RTC tamper 1; wakeup 0.
11 PA1 bidirectional GPIO with USART/I2C/TIMER alternates; ADC channel 1.
12 PA2 bidirectional GPIO with USART/TIMER14 alternates; ADC channel 2.
13 PA3 bidirectional GPIO with USART/TIMER14 alternates; ADC channel 3.
14 PA4 bidirectional GPIO with SPI/USART/TIMER13 alternates; ADC channel 4.
15 PA5 bidirectional GPIO with SPI/TIMER1 alternates; ADC channel 5.
16 PA6 bidirectional GPIO with SPI/TIMER alternates; ADC channel 6.
17 PA7 bidirectional GPIO with SPI/TIMER alternates; ADC channel 7.
18 PB0 bidirectional GPIO with TIMER/USART alternates; ADC channel 8.
19 PB1 bidirectional GPIO with TIMER/SPI alternates; ADC channel 9.
20 PB2 bidirectional GPIO, 5V-tolerant.
21 PB10 bidirectional GPIO with I2C/TIMER/SPI alternates; 5V-tolerant.
22 PB11 bidirectional GPIO with I2C/TIMER/SPI alternates; 5V-tolerant.
23 VSS power_in Ground reference (0V).
24 VDD power_in Main power supply (2.6-3.6V) for I/O and internal regulator.
25 PB12 bidirectional GPIO with SPI/TIMER/I2C alternates; 5V-tolerant.
26 PB13 bidirectional GPIO with SPI/TIMER alternates; 5V-tolerant.
27 PB14 bidirectional GPIO with SPI/TIMER alternates; 5V-tolerant.
28 PB15 bidirectional GPIO with SPI/TIMER alternates; RTC REFIN; wakeup 6; 5V-tolerant.
29 PA8 bidirectional GPIO with USART/TIMER/CK_OUT/CTC_SYNC alternates; 5V-tolerant.
30 PA9 bidirectional GPIO with USART/TIMER/I2C alternates; 5V-tolerant.
31 PA10 bidirectional GPIO with USART/TIMER/I2C alternates; 5V-tolerant.
32 PA11 bidirectional GPIO with USART/TIMER/SPI alternates; 5V-tolerant.
33 PA12 bidirectional GPIO with USART/TIMER/SPI alternates; 5V-tolerant.
34 PA13 bidirectional GPIO with SWDIO/SPI alternates for debug and SPI; 5V-tolerant.
35 PF6 bidirectional GPIO with I2C alternate; 5V-tolerant.
36 PF7 bidirectional GPIO with I2C alternate; 5V-tolerant.
37 PA14 bidirectional GPIO with SWCLK/USART/SPI alternates for debug and serial; 5V-tolerant.
38 PA15 bidirectional GPIO with SPI/USART/TIMER alternates; 5V-tolerant.
39 PB3 bidirectional GPIO with SPI/TIMER alternates; 5V-tolerant.
40 PB4 bidirectional GPIO with SPI/TIMER alternates; 5V-tolerant.
41 PB5 bidirectional GPIO with SPI/I2C/TIMER alternates; wakeup 5; 5V-tolerant.
42 PB6 bidirectional GPIO with I2C/USART/TIMER alternates; 5V-tolerant.
43 PB7 bidirectional GPIO with I2C/USART/TIMER alternates; 5V-tolerant.
44 BOOT0 input Boot configuration input; low selects flash boot, high selects system memory boot.
45 PB8 bidirectional GPIO with I2C/TIMER alternates; 5V-tolerant.
46 PB9 bidirectional GPIO with I2C/TIMER alternates; 5V-tolerant.
47 VSS power_in Ground reference (0V).
48 VDD power_in Main power supply (2.6-3.6V) for I/O and internal regulator.

Key specifications

Parameter Value
Manufacturer GigaDevice Semicon Beijing
Package LQFP-48(7x7)
Category Embedded Processors & Controllers
Pins 48

CAD (KiCad official)

  • Symbol: GD32F330C8T6
  • Footprint: Package_QFP:LQFP-48_7x7mm_P0.5mm
  • 3D model: LQFP-48(7x7) (KiCad packages3D, STEP)

Provenance

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

  • Datasheet: GigaDevice Semicon Beijing datasheet (49 pp, sha256 27b05ab8e75690cd, retrieved 2026-09-17, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.2, primary claude-haiku-4-5-20251001 (text), consensus claude-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).

Datasheet PDF