Features:

• Core: ARM® 32-bit Cortex®-M4 CPU with FPU,Adaptive real-time accelerator (ARTAccelerator™) allowing 0-wait state executionfrom Flash memory, frequency up to 84 MHz,memory protection unit, 105 DMIPS/1.25 DMIPS/MHz (Dhrystone 2.1), and DSPinstructions

• Memories

– Up to 256 Kbytes of Flash memory

– Up to 64 Kbytes of SRAM

• Clock, reset and supply management

– 1.7 V (PDR OFF) or 1.8 V (PDR ON) to3.6 V application supply and I/Os

– POR, PDR, PVD and BOR

– 4-to-26 MHz crystal oscillator

– Internal 16 MHz factory-trimmed RC

– 32 kHz oscillator for RTC with calibration

– Internal 32 kHz RC with calibration

• Power consumption

– Run: 128 µA/MHz (peripheral off)

– Stop (Flash in Stop mode, fast wakeuptime): 42 µA typ @ 25 °C;65 µA max @25 °C

– Stop (Flash in Deep power down mode,slow wakeup time): down to 10 µA typ@25 °C; 28 µA max @25 °C

– Standby: 2.4 µA @25 °C / 1.7 V withoutRTC; 12 µA @85 °C @1.7 V

– VBAT supply for RTC: 1 µA @25 °C

• 1×12-bit, 2.4 MSPS A/D converter: up to 16channels

• General-purpose DMA: 16-stream DMAcontrollers with FIFOs and burst support

• Up to 11 timers: up to six 16-bit, two 32-bittimers up to 84 MHz, each with up to 4IC/OC/PWM or pulse counter and quadrature(incremental) encoder input, two watchdogtimers (independent and window) and aSysTick timer

• Debug mode

– Serial wire debug (SWD) & JTAGinterfaces

– Cortex-M4 Embedded Trace Macrocell™

• Up to 81 I/O ports with interrupt capability

– All IO ports 5 V tolerant

– Up to 78 fast I/Os up to 42 MHz

• Up to 11 communication interfaces

– Up to 3 × I2C interfaces (1Mbit/s,SMBus/PMBus)

– Up to 3 USARTs (2 x 10.5 Mbit/s, 1 x5.25 Mbit/s), ISO 7816 interface, LIN, IrDA,modem control)

– Up to 4 SPIs (up to 42 Mbits/s at fCPU = 84MHz), SPI2 and SPI3 with muxed fullduplex I2S to achieve audio class accuracyvia internal audio PLL or external clock

– SDIO interface

• Advanced connectivity

– USB 2.0 full-speed device/host/OTGcontroller with on-chip PHY

• CRC calculation unit

• 96-bit unique ID

• RTC: subsecond accuracy, hardware calendar