All features
Core: Arm® 32-bit Cortex®-M3 CPU
24 MHz maximum frequency, 1.25 DMIPS /MHz (Dhrystone 2.1) performance
Single-cycle multiplication and hardware division
Memories
256 to 512 Kbytes of Flash memory
24 to 32 Kbytes of SRAM
Flexible static memory controller with 4 Chip Selects. Supports SRAM, PSRAM and NOR 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-24 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
Serial wire debug (SWD) and JTAG I/F
DMA
12-channel DMA controller
Peripherals supported: timers, ADC, SPIs, I2Cs, USARTs and DACs
1 × 12-bit, 1.2 μs A/D converter (up to 16 ch.)
Conversion range: 0 to 3.6 V
Temperature sensor
2 × 12-bit D/A converters
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 16 timers
Up to seven 16-bit timers, each with up to 4 IC/OC/PWM or pulse counter
One 16-bit, 6-channel advanced-control timer: up to 6 channels for PWM output, dead time generation and emergency stop
One 16-bit timer, with 2 IC/OC, 1 OCN/PWM, dead-time generation and emergency stop
Two 16-bit timers, each with IC/OC/OCN/PWM, dead-time generation and emergency stop
Two watchdog timers
SysTick timer: 24-bit downcounter
Two 16-bit basic timers to drive the DAC
Up to 11 communications interfaces
Up to two I2C interfaces (SMBus/PMBus)
Up to 3 USARTs (ISO 7816 interface, LIN, IrDA capability, modem control)
Up to 2 UARTs
Up to 3 SPIs (12 Mbit/s)
Consumer electronics control (CEC) I/F
CRC calculation unit, 96-bit unique ID