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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
– 16 or 32 Kbytes of Flash memory
– 6 or 10 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
2 x 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,
I2Cs and USARTs
Up to 51 fast I/O ports
– 26/37/51 I/Os, all mappable on 16 external
interrupt vectors and almost all 5 V-tolerant
Debug mode
– Serial wire debug (SWD) & JTAG interfaces
6 timers
– Two 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 deadtime generation and emergency stop
– 2 watchdog timers (Independent and
Window)
– SysTick timer: a 24-bit downcounter
6 communication interfaces
– 1 x I2C interface (SMBus/PMBus)
– 2 × USARTs (ISO 7816 interface, LIN, IrDA
capability, modem control)
– 1 × SPI (18 Mbit/s)
– CAN interface (2.0B Active)
– USB 2.0 full-speed interface
CRC calculation unit, 96-bit unique ID
Packages are ECOPACK®
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