Products Features

• Arm® 32-bit Cortex®-M3 CPU core 

– 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 or 128 Kbytes of Flash memory

– 20 Kbytes of SRAM

• Clock, reset and supply management 

– 2.0 to 3.6 V application supply and I/Os 

– POR, PDR, and programmable voltage detector (PVD) 

– 4 to 16 MHz crystal oscillator

 – Internal 8 MHz factory-trimmed RC 

– Internal 40 kHz RC 

– PLL for CPU clock 

– 32 kHz oscillator for RTC with calibration

• Low-power 

– Sleep, Stop and Standby modes 

– VBAT supply for RTC and backup registers

• 2x 12-bit, 1 µs A/D converters (up to 16 channels) 

– Conversion range: 0 to 3.6 V 

– Dual-sample and hold capability 

– Temperature sensor

• DMA 

– 7-channel DMA controller 

– Peripherals supported: timers, ADC, SPIs, I 2Cs and USARTs

• Up to 80 fast I/O ports 

– 26/37/51/80 I/Os, all mappable on 16 external interrupt vectors and almost all 5 V-tolerant

• Debug mode: 

– Serial wire debug (SWD) and JTAG interfaces

• Seven timers 

– Three 16-bit timers, each with up to 4 IC/OC/PWM or pulse counter and quadrature (incremental) encoder input 

– 16-bit, motor control PWM timer with dead-time generation and emergency stop 

– Two watchdog timers (independent and window) 

– SysTick timer 24-bit downcounter

• Up to nine communication interfaces 

– Up to two I2C interfaces (SMBus/PMBus®) 

– Up to three USARTs (ISO 7816 interface, LIN, IrDA capability, modem control) 

– Up to two SPIs (18 Mbit/s) 

– CAN interface (2.0B Active) 

– USB 2.0 full-speed interface

• CRC calculation unit, 96-bit unique ID 

• Packages are ECOPACK®

Specifications

Actual product photos

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Official Certificate&Certificate

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