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