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
– V BAT 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, I 2 Ss, SPIs, I 2 Cs 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
dead-time 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 × I 2 C interfaces (SMBus/PMBus)
– Up to 5 USARTs (ISO 7816 interface, LIN,
IrDA capability, modem control)
– Up to 3 SPIs (18 Mbit/s), 2 with I 2 S
interface multiplexed
– CAN interface (2.0B Active)
– USB 2.0 full speed interface
– SDIO interface
■ CRC calculation unit, 96-bit unique ID
■ ECOPACK ® packages
