• 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
