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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

– 256 to 512 Kbytes of Flash memory

– up to 64 Kbytes of SRAM

– Flexible static memory controller with 4 Chip

Select. Supports Compact Flash, SRAM,

PSRAM, NOR and NAND memories

– LCD parallel interface, 8080/6800 modes

? 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 with calibration

– 32 kHz oscillator for RTC with calibration

? Low power

– Sleep, Stop and Standby modes

– VBAT supply for RTC and backup registers

? 3 × 12-bit, 1 μs A/D converters (up to 21

channels)

– Conversion range: 0 to 3.6 V

– Triple-sample and hold capability

– Temperature sensor

? 2 × 12-bit D/A converters

? DMA: 12-channel DMA controller

– Supported peripherals: timers, ADCs, DAC,

SDIO, I2Ss, SPIs, I2Cs and USARTs

? Debug mode

– Serial wire debug (SWD) & JTAG interfaces

– Cortex? -M3 Embedded Trace Macrocell?

? Up to 112 fast I/O ports

– 51/80/112 I/Os, all mappable on 16 external

interrupt vectors and almost all 5 V-tolerant

? Up to 11 timers

– Up to four 16-bit timers, each with up to 4

IC/OC/PWM or pulse counter and quadrature

(incremental) encoder input

– 2 × 16-bit motor control PWM timers with deadtime

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 13 communication interfaces

– 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 I2S interface

multiplexed

– CAN interface (2.0B Active)

– USB 2.0 full speed interface

– SDIO interface

? CRC calculation unit, 96-bit unique ID

? ECOPACK? packages