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