Core: ARM® 32-bit Cortex®-M0 CPU,
frequency up to 48 MHz
• Memories
– 32 to 128 Kbytes of Flash memory
– 6 to 16 Kbytes of SRAM with HW parity
• CRC calculation unit
• Reset and power management
– Digital & I/Os supply: VDD = 2.4 V to 3.6 V
– Analog supply: VDDA = VDD to 3.6 V
– Power-on/Power down reset (POR/PDR)
– Low power modes: Sleep, Stop, Standby
• 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
• Up to 51 fast I/Os
– All mappable on external interrupt vectors
– Up to 51 I/Os with 5V tolerant capability
• 5-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
• Calendar RTC with alarm and periodic wakeup
from Stop/Standby
• 11 timers
– One 16-bit advanced-control timer for
six-channel PWM output
– Up to seven 16-bit timers, with up to four
IC/OC, OCN, usable for IR control
decoding
– Independent and system watchdog timers
– SysTick timer
• Communication interfaces
– Up to two I2C interfaces
– Fast Mode Plus (1 Mbit/s) support, with
20 mA current sink
– SMBus/PMBus support (on single I/F)
– Up to four USARTs supporting master
synchronous SPI and modem control; one
with auto baud rate detection
– Up to two SPIs (18 Mbit/s) with 4 to 16
programmable bit frames
– USB 2.0 full-speed interface with BCD and
LPM support
• Serial wire debug (SWD)
• All packages ECOPACK®
