GD32F101

           
    GD32F101xx Main Features
    ARM ® CortexTM-M3 core
    ●    Frequency up to 56 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 3072 KB
    ●    SRAM up to 80 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 ADC
    ●    2 x ADC
    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)
    On-chip resources
    ●    1 x SysTick Timer, up to 10 x GPTM, 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)
    ●    External Memory Control supported: SRAM, PSRAM, NOR-Flash, LCD