Features
• Core: ARM® 32-bit Cortex®-M0 CPU,
frequency up to 48 MHz
• Memories
– 16 to 32 Kbytes of Flash memory
– 6 Kbytes of SRAM with HW parity
• CRC calculation unit
• Reset and power management
– Digital and I/Os supply: VDD = 2 V to 3.6 V
– Analog supply: VDDA = from 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 38 fast I/Os
– All mappable on external interrupt vectors
– Up to 24 I/Os with 5 V tolerant capability
and 8 with independent supply VDDIO2
• 5-channel DMA controller
• One 12-bit, 1.0 µs ADC (up to 10 channels)
– Conversion range: 0 to 3.6 V
– Separate analog supply: 2.4 V to 3.6 V
• Up to 14 capacitive sensing channels for
touchkey, linear and rotary touch sensors
• Calendar RTC with alarm and periodic wakeup
from Stop/Standby
• Nine timers
– One 16-bit advanced-control timer for six
channel PWM output
– One 32-bit and four 16-bit timers, with up to
four IC/OC, OCN, usable for IR control
decoding
– Independent and system watchdog timers
– SysTick timer
• Communication interfaces
– One I2C interface supporting Fast Mode
Plus (1 Mbit/s) with 20 mA current sink,
SMBus/PMBus and wakeup
– Two USARTs supporting master
synchronous SPI and modem control, one
with ISO7816 interface, LIN, IrDA, auto
baud rate detection and wakeup feature
– Two SPIs (18 Mbit/s) with 4 to 16
programmable bit frames, one with I2S
interface multiplexed
– CAN interface
– USB 2.0 full-speed interface, able to run
from internal 48 MHz oscillator and with
BCD and LPM support
• HDMI CEC, wakeup on header reception
• Serial wire debug (SWD)
• 96-bit unique ID
• All packages ECOPACK®2
