STM32F051C8U7

This product is a microcontroller based on an ARM 32-bit Cortex-M0 CPU, offering multiple package options with support for low-power modes and various communication interfaces.

Key features

• Core: ARM 32-bit Cortex-M0 CPU, frequency up to 48 MHz
• 16 to 64 Kbytes of Flash memory
• 8 Kbytes of SRAM with HW parity checking
• CRC calculation unit
• Reset and power management
• Digital and I/O supply: VDD = 2.0V to 3.6V
• Analog supply: VDDA = from VDD to 3.6V
• 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
• Up to 55 fast I/Os
• All mappable on external interrupt vectors
• Up to 36 I/Os with 5 V tolerant capability
• 5-channel DMA controller
• One 12-bit, 1.0 μs ADC (up to 16 channels)
• Conversion range: 0 to 3.6V
• Separate analog supply from 2.4 up to 3.6
• One 12-bit DAC channel
• Two fast low-power analog comparators with programmable input and output
• Up to 18 capacitive sensing channels supporting touchkey, linear and rotary touch sensors
• Up to 11 timers
• One 16-bit 7-channel advanced-control timer for 6 channels PWM output, with deadtime generation and emergency stop
• One 32-bit and one 16 bit timer, with up to 4 IC/OC, usable for IR control decoding
• One 16-bit timer, with 2 IC/OC, 1 OCN, deadtime generation and emergency stop
• Two 16-bit timers, each with IC/OC and OCN, deadtime generation, emergency stop and modulator gate for IR control
• One 16-bit timer with 1 IC/OC
• Independent and system watchdog timers
• SysTick timer: 24-bit downcounter
• One 16-bit basic timer to drive the DAC
• Calendar RTC with alarm and periodic wakeup from Stop/Standby
• Communication interfaces: Up to two I²C interfaces, one supporting Fast Mode Plus (1 Mbit/s) with 20 mA current sink, SMBus/PMBus and wakeup from Stop mode
• Up to two USARTs supporting master synchronous SPI and modem control, one with ISO7816 interface, LIN, IrDA capability, auto baud rate detection and wakeup feature
• Up to two SPIs (18 Mbit/s) with 4 to 16 programmable bit frame, one with I²S interface multiplexed
• HDMI CEC interface, wakeup on header reception
• Serial wire debug (SWD)
• 96-bit unique ID
• All packages ECOPACK2