Key Features

• Core: ARM^®32-bit Cortex^®-M3 CPU
• 72 MHz maximum frequency, 1.25 DMIPS/MHz (Dhrystone 2.1) performance at 0 wait state memory access
• Single-cycle multiplication and hardware division
• Memories
• 64 to 256 Kbytes of Flash memory
• 64 Kbytes of general-purpose SRAM
• Clock, reset and supply management
• 2.0 to 3.6 V application supply and I/Os
• POR, PDR, and programmable voltage detector (PVD)
• 3-to-25 MHz crystal oscillator
• Internal 8 MHz factory-trimmed RC
• Internal 40 kHz RC with calibration
• 32 kHz oscillator for RTC with calibration
• Low power
• Sleep, Stop and Standby modes
• VBAT supply for RTC and backup registers
• 2 × 12-bit, 1 μs A/D converters (16 channels)
• Conversion range: 0 to 3.6 V
• Sample and hold capability
• Temperature sensor
• up to 2 MSPS in interleaved mode
• 2 × 12-bit D/A converters
• DMA: 12-channel DMA controller
• Supported peripherals: timers, ADCs, DAC, I2Ss, SPIs, I2Cs and USARTs
• Debug mode
• Serial wire debug (SWD) & JTAG interfaces
• Cortex^®-M3 Embedded Trace Macrocell™
• Up to 80 fast I/O ports
• 51/80 I/Os, all mappable on 16 external interrupt vectors and almost all 5 V-tolerant
• CRC calculation unit, 96-bit unique ID
• Up to 10 timers with pinout remap capability
• Up to four 16-bit timers, each with up to 4 IC/OC/PWM or pulse counter and quadrature (incremental) encoder input
• 1 × 16-bit motor control PWM timer with dead-time generation and emergency stop
• 2 × watchdog timers (Independent and Window)
• SysTick timer: a 24-bit downcounter
• 2 × 16-bit basic timers to drive the DAC
• Up to 14 communication interfaces with pinout remap capability
• Up to 2 × I2C interfaces (SMBus/PMBus)
• Up to 5 USARTs (ISO 7816 interface, LIN, IrDA capability, modem control)
• Up to 3 SPIs (18 Mbit/s), 2 with a multiplexed I2S interface that offers audio class accuracy via advanced PLL schemes
• 2 × CAN interfaces (2.0B Active) with 512 bytes of dedicated SRAM
• USB 2.0 full-speed device/host/OTG controller with on-chip PHY that supports HNP/SRP/ID with 1.25 Kbytes of dedicated SRAM
• 10/100 Ethernet MAC with dedicated DMA and SRAM (4 Kbytes): IEEE1588 hardware support, MII/RMII available on all packages