Key Features

• Core: ARM^®32-bit Cortex^®-M0 CPU, frequency up to 48 MHz
• Memories
  • 16 to 256 Kbytes of Flash memory
  • 4 to 32 Kbytes of SRAM with HW parity
• CRC calculation unit
• Reset and power management
  • Digital & I/Os supply: V_DD= 2.4 V to 3.6 V
  • Analog supply: V_DDA= V_DDto 3.6 V
  • Power-on/Power down reset (POR/PDR)
  • Low power modes: Sleep, Stop, Standby
• Clock management
  • 4 to 32 MHz crystal oscillator
  • 32 kHz oscillator for RTC with calibration
  • Internal 8 MHz RC with x6 PLL option
  • Internal 40 kHz RC oscillator
• Up to 55 fast I/Os
  • All mappable on external interrupt vectors
  • Up to 55 I/Os with 5V tolerant capability
• 5-channel DMA controller
• One 12-bit, 1.0 μs ADC (up to 16 channels)
  • Conversion range: 0 to 3.6 V
  • Separate analog supply: 2.4 V to 3.6 V
• Calendar RTC with alarm and periodic wakeup from Stop/Standby
• 11 timers
  • One 16-bit advanced-control timer for six-channel PWM output
  • Up to seven 16-bit timers, with up to four IC/OC, OCN, usable for IR control decoding
  • Independent and system watchdog timers
  • SysTick timer
• Communication interfaces
  • Up to two I²C interfaces
  • Up to six USARTs supporting master synchronous SPI and modem control; one with auto baud rate detection
  • Up to two SPIs (18 Mbit/s) with 4 to 16 programmable bit frames
• Serial wire debug (SWD)
• All packages ECOPACK^®2