Detailed information:

ARM ® CortexTM-M3 Core

ARM® ARM ® CortexTM-M3 Core

· Frequency up to 48 MHz

· Flash access zero wait state

· Single-cycle multiplier and hardware divider

· NVIC support 16 internal & 60 external interrupts,
each has 16 priority levels

Memories

· Flash size from 16KB to 64 KB

· SRAM size from 4KB to 8 KB with HW parity checking

· 3KB ISP loader ROM

Low power management

· Power saving mode: sleep, deep-sleep & standby mode

· Independent battery supply for real-calendar RTC and backup register

Advanced analog peripherals

· 1 x 12bit,
1μs ADC (up to 16 chs)

Integrated peripherals interface

· Up to 2 x USART/UART/Irda/LIN/ISO7816

· Up to 2 x SPI (18Mbit/s)

· Up to 2 x I2C (400Kbit/s)

On-chip resources

· 1 x 16 bit Advanced Timer, 1 x SysTick Timer,
  5 x 16 bit GPTM, 1x 32 bit GPTM,
  2 x WDG

· 5-chs DMA support: Timers, ADC, SPIs, I2Cs, USARTs

· System supervisor and reset: POR,PDR,LVD

· 80% GPIO available

· 32-bit CRC & 96-bit unique ID

· On-chip clock: HSI (8MHz), LSI (40KHz)
SRAM,PSRAM,NOR-Flash,LCD

Package

· TSSOP20 (6.5 x 4.4 x 1mm)

· QFN28 (4 x 4 x 0.75mm)

· LQFP48(7 x 7 x 1mm)