STM32F051R8数据手册.pdf

STM32F051x4 STM32F051x6
STM32F051x8
Low- and medium-density advanced ARM™-based 32-bit MCU with
16 to 64 Kbytes Flash, timers, ADC, DAC and comm. interfaces
Datasheet − production data
Features
■ Operating conditions:
– Voltage range: V to V
■ ARM 32-bit Cortex®-M0 CPU (48 MHz max) LQFP64 10x10 LQFP48 7x7 UFQFPN32 5x5
■ Memories ■ Up to 11 timers
– 16 to 64 Kbytes of Flash memory – One 16-bit 7-channel advanced-control
– 8 Kbytes of SRAM with HW parity checking timer for 6 channels PWM output, with
deadtime generation and emergency stop
■ CRC calculation unit
– One 32-bit and one 16-bit timer, with up to
■ Clock management 4 IC/OC, usable for IR control decoding
– 4 to 32 MHz crystal oscillator – One 16-bit timer, with 2 IC/OC, 1 OCN,
– 32 kHz oscillator for RTC with calibration deadtime generation and emergency stop
– Internal 8 MHz RC with x6 PLL option – Two 16-bit timers, each with IC/OC and
– Internal 40 kHz RC oscillator OCN, deadtime generation, emergency
■ Calendar RTC with alarm and periodic wakeup stop and modulator gate for IR control
from Stop/Standby – One 16-bit timer with 1 IC/OC
■ Reset and supply management – Independent and system watchdog timers
– Power-on/Power down reset (POR/PDR) – SysTick timer: 24-bit downcounter
– Programmable voltage detector (PVD) – One 16-bit basic timer to drive the DAC
■
■ Low powe