Features
■ Core: Arm® 32-bit Cortex®-M0+ CPU, frequency up to 64 MHz
■ -40°C to 85°C/105°C/125°C operating temperature
■ Memories – Up to 64 Kbytes of Flash memory with protection and securable area – 8 Kbytes of SRAM with HW parity check
■ CRC calculation unit
■ Reset and power management – Voltage range: 1.7 V to 3.6 V – Power-on/Power-down reset (POR/PDR) – Programmable Brownout reset (BOR) – Programmable voltage detector (PVD) – Low-power modes: Sleep, Stop, Standby, Shutdown – 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 (±1 %) – Internal 32 kHz RC oscillator (±5 %)
■ Up to 44 fast I/Os – All mappable on external interrupt vectors – Multiple 5 V-tolerant I/Os
■ 5-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 (one 128 MHz capable): 16-bit for advanced motor control, one 32-bit and four 16-bit general-purpose, two low-power 16-bit, two watchdogs, SysTick timer
■ Calendar RTC with alarm and periodic wakeup from Stop/Standby/Shutdown
■ Communication interfaces – Two I2C-bus interfaces supporting Fast- mode Plus (1 Mbit/s) with extra current sink, one supporting SMBus/PMBus and wakeup from Stop mode – Two USARTs with master/slave synchronous SPI; one supporting ISO7816 interface, LIN, IrDA capability, auto baud rate detection and wakeup feature – One low-power UART – Two SPIs (32 Mbit/s) with 4- to 16-bit programmable bitframe, one multiplexed with I2S interface
■ True random number generator (RNG)
■ AES encryption with 128/256-bit key
■ Development support: serial wire debug (SWD)
■ 96-bit unique ID
■ All packages ECOPACK 2 compliant