Features■ Core: ARM 32-bit Cortex™-M3 CPU– 72 MHz maximum frequency,1.25 DMIPS/MHz (Dhrystone 2.1)performance at 0 wait state memoryaccess– Single-cycle multiplication and hardwaredivision■ Memories– 64 to 256 Kbytes of Flash memory– up to 64 Kbytes of general-purpose SRAM■ Clock, reset and supply management– 2.0 to 3.6 V application supply and I/Os– POR, PDR, and programmable voltagedetector (PVD)– 3-to-25 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■ 2 × 12-bit, 1 µs A/D converters (16 channels)– Conversion range: 0 to 3.6 V– Sample and hold capability– Temperature sensor– up to 2 MSPS in interleaved mode■ 2 × 12-bit D/A converters■ DMA: 12-channel DMA controller– Supported peripherals: timers, ADCs, DAC,I2Ss, SPIs, I2Cs and USARTs■ Debug mode– Serial wire debug (SWD) & JTAG interfaces– Cortex-M3 Embedded Trace Macrocell™■ Up to 80 fast I/O ports– 51/80 I/Os, all mappable on 16 externalinterrupt vectors and almost all 5 V-tolerant■ CRC calculation unit, 96-bit unique ID
■ Up to 10 timers with pinout remap capability– Up to four 16-bit timers, each with up to 4IC/OC/PWM or pulse counter andquadrature (incremental) encoder input– 1 × 16-bit motor control PWM timer withdead-time generation and emergency stop– 2 × watchdog timers (Independent andWindow)– SysTick timer: a 24-bit downcounter– 2 × 16-bit basic timers to drive the DAC■ Up to 14 communication interfaces with pinoutremap capability– 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 amultiplexed I2S interface that offers audioclass accuracy via advanced PLL schemes– 2 × CAN interfaces (2.0B Active) with512 bytes of dedicated SRAM– USB 2.0 full-speed device/host/OTGcontroller with on-chip PHY that supportsHNP/SRP/ID with 1.25 Kbytes of dedicatedSRAM– 10/100 Ethernet MAC with dedicated DMAand SRAM (4 Kbytes): IEEE1588 hardwaresupport, MII/RMII available on all packages
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