• 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 128 Kbytes of Flash memory with
protection and securable area
– 36 Kbytes of SRAM (32 Kbytes 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 60 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
• Two 12-bit DACs, low-power sample-and-hold
• Two fast low-power analog comparators, with
programmable input and output, rail-to-rail
• 14 timers (two 128 MHz capable): 16-bit for
advanced motor control, one 32-bit and five 16-
bit general-purpose, two basic 16-bit, two lowpower 16-bit, two watchdogs, SysTick timer
• Calendar RTC with alarm and periodic wakeup
from Stop/Standby/Shutdown
• 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
– One low-power UART
– Two SPIs (32 Mbit/s) with 4- to 16-bit
programmable bitframe, one multiplexed
with I2S interface
– HDMI CEC interface, wakeup on header
• USB Type-C™ Power Delivery controller
• Development support: serial wire debug (SWD)
• 96-bit unique ID
• All packages ECOPACK 2 compliant