GD32F105

Detailed information：

GD32F105xx Main Features

ARM® ARM ® CortexTM-M3 core

· Frequency up to 108 MHz

· Single-cycle multiplier and hardware divider

· NVIC support 16 internal and 43 external interrupts, each interrupt has 16 priority levels

Flash memory

· Flash up to 1024 KB

· SRAM up to 96 KB

· 2KB ISP loader ROM

Low-power management

· Support power saving mode: sleep, deep-sleep and standby mode

· Independent battery supply for RTC and backup register

High performance analog peripherals

· 3 x 12bit, 1μs ADC (16 channels)

· 2 x DAC

Integrated peripherals interface

· Up to 5 x USART/Irda/LIN/ISO7816

· Up to 3 x SPI (18Mbit/s)

· Up to 2 x I2C (400Kbit/s)

· USB OTG 2.0 FS

On-chip resources

· 1 x SysTick Timer, up to 10 x GPTM,
2 x Basic Timer, 2 x WDT, 7-chs DMA supported: timers, ADC, SPIs,I2Cs and USARTs

· POR,PDR and LVD

· 80% available GPIO

· 32 bit CRC

· Clock: HSI (8MHz) and LSI (40KHz)