Products 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

Specifications

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