GD32F103xx Main Features
ARM® ARM® CortexTM-M3 core
· Frequency up to108 MHz
· Single-cycle multiplier and hardware divider
· NVIC support 16 interrupts,
each interrupt has 16 priority levels
Flash memory
· Flash up to 3072 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
· 2 x DAC
Varity of peripherals interface
· Up to 5 x USART/Irda/LIN/ISO7816
· Up to 3 x SPI (18Mbit/s)
· Up to 2 x I2C (400Kbit/s)
· Up to 2 x CAN 2.0 B (1Mbit/s)
· USB 2.0 FS (12Mbit/s)
On-chip resources
· 1 x Advanced Timer, 1 x SysTick Timer, up to 10 x GPTM, 2 x WDT
· 2 x DMA supported
· POR,PDR and LVD
· 80% available GPIO
· 32 bit CRC