STM32F051R4
Overview
- Core: ARM® 32-bit Cortex®-M0 CPU, frequency up to 48 MHz
- Memories - 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 = 2.0 V to 3.6 V - Analog supply: VDDA = from VDD 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
- 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 3.6 V - 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
