GD32F330F6

Processor

Cortex-M4, 84 MHz

• Clock
  Crystal Oscillator	4 MHz .. 32 MHz Crystal Oscillator
  Internal high-speed RC Oscillator	8 MHz Internal high-speed RC Oscillator
  Internal RC with Calibration	40 kHz Internal RC with Calibration
  RTC with 40 kHz calibrated Oscillator and Battery Backup	40 kHz RTC with 40 kHz calibrated Oscillator and Battery Backup
  Internal PLL	3 x Internal PLL

• Core features
  CRC Calculation Unit	1 x CRC Calculation Unit
  General Purpose DMA with Centralized FIFO and Burst Support	7-channel General Purpose DMA with Centralized FIFO and Burst Support
  NVIC	NVIC with 68 interrupt sources

• Power
  Run, Sleep, Deep-Sleep, Standby	4 Run, Sleep, Deep-Sleep, Standby
  POR, PDR, PVD, and BPOR	1 x POR, PDR, PVD, and BPOR
  Voltage	2.6 V .. 3.6 V Voltage

• I/O
  External interrupt	24 External interrupt
  High-Performance ADC	1-channel x 12-bit High-Performance ADC
  Temperature sensor	1 x Temperature sensor
  IO pins	55 IO pins

• Spec
  Extended Operating Temperature Range	-40 °C .. +85 °C Extended Operating Temperature Range

• Timer
  32-bit General Purpose Timer	1 x 32-bit 32-bit General Purpose Timer
  16-bit General Purpose Timer	5 x 16-bit 16-bit General Purpose Timer
  Advanced Timer	1 x 16-bit Advanced Timer
  SysTick Timer	1 x 24-bit SysTick Timer
  Watchdog timer	2 x Watchdog timer

• Communication
  Multi-Purpose Serial Interface Module: I2C, SPI, USART	3 x Multi-Purpose Serial Interface Module: I2C, SPI, USART
  High-Speed USART Interface	2 x 13.5 Mbit/s High-Speed USART Interface
  Full-Speed USB Device	1 x Full-Speed USB Device
  SDIO Interface	1 x 8-bit SDIO Interface
  Low-Power I2C	2 x Low-Power I2C
  SPI Interface	2 x 0 bit/s SPI Interface

• Controls
  Capacitive Touch Inputs	18 x Capacitive Touch Inputs