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