Features
■ Core: ARM 32-bit Cortex™-M3 CPU
– 72 MHz maximum frequency,1.25 DMIPS/MHz (Dhrystone 2.1)performance at 0 wait state memoryaccess
– 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