Features• Core: Arm® 32-bit Cortex®-M0+ CPU, frequency up to 64 MHz• -40°C to 85°C operating temperature• Memories– 128 Kbytes of Flash memory– 36 Kbytes of SRAM (32 Kbytes with HW parity check)• CRC calculation unit• Reset and power management– Voltage range: 2.0 V to 3.6 V– Power-on/Power-down reset (POR/PDR)– Low-power modes:Sleep, Stop, Standby– VBAT supply for RTC and backup registers• Clock management– 4 to 48 MHz crystal oscillator– 32 kHz crystal oscillator with calibration– Internal 16 MHz RC with PLL option– Internal 32 kHz RC oscillator (±5 %)• Up to 59 fast I/Os– All mappable on external interrupt vectors– Multiple 5 V-tolerant I/Os• 7-channel DMA controller with flexible mapping• 12-bit, 0.4 µs ADC (up to 16 ext. channels)– Up to 16-bit with hardware oversampling– Conversion range: 0 to 3.6V• 11 timers: 16-bit for advanced motor control, five 16-bit general-purpose, two basic 16-bit, two watchdogs, SysTick timer• Calendar RTC with alarm and periodic wakeup from Stop/Standby• Communication interfaces– Two I2C-bus interfaces supporting Fastmode Plus (1 Mbit/s) with extra current sink, one supporting SMBus/PMBus and wakeup from Stop mode– Four USARTs with master/slave synchronous SPI; two supporting ISO7816 interface, LIN, IrDA capability, auto baud rate detection and wakeup feature– Two SPIs (32 Mbit/s) with 4- to 16-bit programmable bitframe, one multiplexed with I2S interface• Development support: serial wire debug (SWD)• All packages ECOPACK®2 compliant
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