Product Features

 Core: ARM® 32-bit Cortex® -M3 CPU

– 36 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 128 Kbytes of Flash memory

– 10 to 16 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

 Debug mode

– Serial wire debug (SWD) and JTAG interfaces

 DMA

– 7-channel DMA controller

– Peripherals supported: timers, ADC, SPIs, I2Cs and USARTs

 1 × 12-bit, 1 µs A/D converter (up to 16 channels)

– Conversion range: 0 to 3.6 V

– Temperature sensor

 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

 Six timers

– Three 16-bit timers, each with up to 4 IC/OC/PWM or pulse counter

– 2 watchdog timers (Independent and Window)

– SysTick timer: 24-bit downcounter

 Up to 7 communication interfaces

– Up to 2 x I2C interfaces (SMBus/PMBus)

– Up to 3 USARTs (ISO 7816 interface, LIN, IrDA capability, modem control)

– Up to 2 SPIs (18 Mbit/s)

 CRC calculation unit, 96-bit unique ID

 ECOPACK® packages

Product Specification

Product Photos

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