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Features

? Core: ARM? 32-bit Cortex?-M0 CPU, frequency up to 48 MHz

? Memories

– 64 to 128 Kbytes of Flash memory

– 16 Kbytes of SRAM with HW parity

? CRC calculation unit

? Reset and power management

– Digital and I/O supply: VDD = 2.0 V to 3.6 V

– Analog supply: VDDA = VDD to 3.6 V

– Selected I/Os: VDDIO2 = 1.65 V to 3.6 V

– Power-on/Power down reset (POR/PDR)

– Programmable voltage detector (PVD)

– Low power modes: Sleep, Stop, Standby

– VBAT supply for RTC and backup registers

? Clock management

– 4 to 32 MHz crystal oscillator

– 32 kHz oscillator for RTC with calibration

– Internal 8 MHz RC with x6 PLL option

– Internal 40 kHz RC oscillator

– Internal 48 MHz oscillator with automatic

trimming based on ext. synchronization

? Up to 87 fast I/Os

– All mappable on external interrupt vectors

– Up to 68 I/Os with 5V tolerant capability

and 19 with independent supply VDDIO2

? Seven-channel DMA controller

? One 12-bit, 1.0 μs ADC (up to 16 channels)

– Conversion range: 0 to 3.6 V

– Separate analog supply: 2.4 V to 3.6 V

? One 12-bit D/A converter (with 2 channels)

? Two fast low-power analog comparators with programmable input and output

? Up to 24 capacitive sensing channels for touchkey, linear and rotary touch sensors

? Calendar RTC with alarm and periodic wakeup from Stop/Standby

? 12 timers

– One 16-bit advanced-control timer for six-channel PWM output

– One 32-bit and seven 16-bit timers, with up to four IC/OC, OCN, usable for IR control decoding or DAC control

– Independent and system watchdog timers

– SysTick timer

? Communication interfaces

– Two I2C interfaces supporting Fast Mode Plus (1 Mbit/s) with 20 mA current sink; one supporting SMBus/PMBus and wakeup

– Four USARTs supporting master synchronous SPI and modem control; two with ISO7816 interface, LIN, IrDA, auto baud rate detection and wakeup feature

– Two SPIs (18 Mbit/s) with 4 to 16 programmable bit frames, and with I2S interface multiplexed

? HDMI CEC, wakeup on header reception

? Serial wire debug (SWD)

? 96-bit unique ID

? All packages ECOPACK?2