The STM32F051C4 family operates in the -40 to +85 C and -40 to +105 C temperature ranges, from a 2.0 to 3.6 V power supply. A comprehensive set of power-saving modes allows the design of low-power applications.

STM32F051C4 性能

STM32F051C4 参数

STM32F051C4 存储器
程序FLASH (kB)	16
RAM (kB)	4
STM32F051C4 性能参数
工作频率 (MHz)	48
16-bit 定时器	8
32-bit 定时器	1
A/D 转换器	1x12-bit
D/A 转换器	1x12-bit
通信接口	1xSPI/I2S;1xI2C; 1xUSART; 1xCEC
I/Os	39
电压 (V)	2 to 3.6
STM32F051C4 封装与引脚
LQFP48

The STM32F051C6 family operates in the -40 to +85 C and -40 to +105 C temperature ranges, from a 2.0 to 3.6 V power supply. A comprehensive set of power-saving modes allows the design of low-power applications.

STM32F051C6 性能

• 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
  • Voltage range: 2.0 V to 3.6 V
  • Power-on/Power down reset (POR/PDR)
  • Programmable voltage detector (PVD)
  • Low power Sleep, Stop, and Standby modes
  • 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
• 1 x 12-bit, 1.0 us ADC (up to 16 channels)
  • Conversion range: 0 to 3.6V
  • Separate analog supply from 2.4 up to 3.6 V
• One 12-bit D/A converter
• 2 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
  • 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, 1 with I2S interface multiplexed
  • HDMI CEC interface, wakeup on header reception
• Serial wire debug (SWD)
• 96-bit unique ID

STM32F051C6 参数

STM32F051C6 存储器
程序FLASH (kB)	32
RAM (kB)	4
STM32F051C6 性能参数
工作频率 (MHz)	48
16-bit 定时器	8
32-bit 定时器	1
A/D 转换器	1x12-bit
D/A 转换器	1x12-bit
通信接口	1xSPI/I2S;1xI2C; 2xUSART; 1xCEC
I/Os	39
电压 (V)	2 to 3.6
STM32F051C6 封装与引脚
LQFP48

The STM32F051C8 family operates in the -40 to +85 C and -40 to +105 C temperature ranges, from a 2.0 to 3.6 V power supply. A comprehensive set of power-saving modes allows the design of low-power applications.

STM32F051C8 性能

• 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
  • Voltage range: 2.0 V to 3.6 V
  • Power-on/Power down reset (POR/PDR)
  • Programmable voltage detector (PVD)
  • Low power Sleep, Stop, and Standby modes
  • 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
• 1 x 12-bit, 1.0 us ADC (up to 16 channels)
  • Conversion range: 0 to 3.6V
  • Separate analog supply from 2.4 up to 3.6 V
• One 12-bit D/A converter
• 2 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
  • 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, 1 with I2S interface multiplexed
  • HDMI CEC interface, wakeup on header reception
• Serial wire debug (SWD)
• 96-bit unique ID

STM32F051C8 参数

STM32F051C8 存储器
程序FLASH (kB)	64
RAM (kB)	8
STM32F051C8 性能参数
工作频率 (MHz)	48
16-bit 定时器	8
32-bit 定时器	1
A/D 转换器	1x12-bit
D/A 转换器	1x12-bit
通信接口	1xSPI/I2S;1xSPI; 2xI2C;2xUSART;CEC
I/Os	39
电压 (V)	2 to 3.6
STM32F051C8 封装与引脚
LQFP48

The STM32F051K4 family operates in the -40 to +85 C and -40 to +105 C temperature ranges, from a 2.0 to 3.6 V power supply. A comprehensive set of power-saving modes allows the design of low-power applications.

STM32F051K4 性能

• 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
  • Voltage range: 2.0 V to 3.6 V
  • Power-on/Power down reset (POR/PDR)
  • Programmable voltage detector (PVD)
  • Low power Sleep, Stop, and Standby modes
  • 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
• 1 x 12-bit, 1.0 us ADC (up to 16 channels)
  • Conversion range: 0 to 3.6V
  • Separate analog supply from 2.4 up to 3.6 V
• One 12-bit D/A converter
• 2 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
  • 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, 1 with I2S interface multiplexed
  • HDMI CEC interface, wakeup on header reception
• Serial wire debug (SWD)
• 96-bit unique ID

STM32F051K4 参数

STM32F051K4 存储器
程序FLASH (kB)	16
RAM (kB)	4
STM32F051K4 性能参数
工作频率 (MHz)	48
16-bit 定时器	8
32-bit 定时器	1
A/D 转换器	1x12-bit
D/A 转换器	1x12-bit
通信接口	1xSPI/I2S;1xI2C; 1xUSART; 1xCEC
I/Os	27
电压 (V)	2 to 3.6
STM32F051K4 封装与引脚
UFQFPN32

The STM32F051K6 family operates in the -40 to +85 C and -40 to +105 C temperature ranges, from a 2.0 to 3.6 V power supply. A comprehensive set of power-saving modes allows the design of low-power applications.

STM32F051K6 性能

• 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
  • Voltage range: 2.0 V to 3.6 V
  • Power-on/Power down reset (POR/PDR)
  • Programmable voltage detector (PVD)
  • Low power Sleep, Stop, and Standby modes
  • 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
• 1 x 12-bit, 1.0 us ADC (up to 16 channels)
  • Conversion range: 0 to 3.6V
  • Separate analog supply from 2.4 up to 3.6 V
• One 12-bit D/A converter
• 2 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
  • 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, 1 with I2S interface multiplexed
  • HDMI CEC interface, wakeup on header reception
• Serial wire debug (SWD)
• 96-bit unique ID

STM32F051K6 参数

STM32F051K6 存储器
程序FLASH (kB)	32
RAM (kB)	4
STM32F051K6 性能参数
工作频率 (MHz)	48
16-bit 定时器	8
32-bit 定时器	1
A/D 转换器	1x12-bit
D/A 转换器	1x12-bit
通信接口	1xSPI/I2S;1xI2C; 2xUSART; 1xCEC
I/Os	27
电压 (V)	2 to 3.6
STM32F051K6 封装与引脚
UFQFPN32

The STM32F051K8 family operates in the -40 to +85 C and -40 to +105 C temperature ranges, from a 2.0 to 3.6 V power supply. A comprehensive set of power-saving modes allows the design of low-power applications.

STM32F051K8 性能

• 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
  • Voltage range: 2.0 V to 3.6 V
  • Power-on/Power down reset (POR/PDR)
  • Programmable voltage detector (PVD)
  • Low power Sleep, Stop, and Standby modes
  • 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
• 1 x 12-bit, 1.0 us ADC (up to 16 channels)
  • Conversion range: 0 to 3.6V
  • Separate analog supply from 2.4 up to 3.6 V
• One 12-bit D/A converter
• 2 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
  • 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, 1 with I2S interface multiplexed
  • HDMI CEC interface, wakeup on header reception
• Serial wire debug (SWD)
• 96-bit unique ID

STM32F051K8 参数

STM32F051K8 存储器
程序FLASH (kB)	64
RAM (kB)	8
STM32F051K8 性能参数
工作频率 (MHz)	48
16-bit 定时器	8
32-bit 定时器	1
A/D 转换器	1x12-bit
D/A 转换器	1x12-bit
通信接口	1xSPI/I2S;1xSPI; 2xI2C;2xUSART;CEC
I/Os	27
电压 (V)	2 to 3.6
STM32F051K8 封装与引脚
UFQFPN32

The STM32F051R4 family operates in the -40 to +85 C and -40 to +105 C temperature ranges, from a 2.0 to 3.6 V power supply. A comprehensive set of power-saving modes allows the design of low-power applications.

STM32F051R4 性能

• 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
  • Voltage range: 2.0 V to 3.6 V
  • Power-on/Power down reset (POR/PDR)
  • Programmable voltage detector (PVD)
  • Low power Sleep, Stop, and Standby modes
  • 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
• 1 x 12-bit, 1.0 us ADC (up to 16 channels)
  • Conversion range: 0 to 3.6V
  • Separate analog supply from 2.4 up to 3.6 V
• One 12-bit D/A converter
• 2 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
  • 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, 1 with I2S interface multiplexed
  • HDMI CEC interface, wakeup on header reception
• Serial wire debug (SWD)
• 96-bit unique ID

STM32F051R4 参数

STM32F051R4 存储器
程序FLASH (kB)	16
RAM (kB)	4
STM32F051R4 性能参数
工作频率 (MHz)	48
16-bit 定时器	8
32-bit 定时器	1
A/D 转换器	1x12-bit
D/A 转换器	1x12-bit
通信接口	1xSPI/I2S;1xI2C; 1xUSART; 1xCEC
I/Os	55
电压 (V)	2 to 3.6
STM32F051R4 封装与引脚
LQFP64

The STM32F051R6 family operates in the -40 to +85 C and -40 to +105 C temperature ranges, from a 2.0 to 3.6 V power supply. A comprehensive set of power-saving modes allows the design of low-power applications.

STM32F051R6 性能

• 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
  • Voltage range: 2.0 V to 3.6 V
  • Power-on/Power down reset (POR/PDR)
  • Programmable voltage detector (PVD)
  • Low power Sleep, Stop, and Standby modes
  • 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
• 1 x 12-bit, 1.0 us ADC (up to 16 channels)
  • Conversion range: 0 to 3.6V
  • Separate analog supply from 2.4 up to 3.6 V
• One 12-bit D/A converter
• 2 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
  • 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, 1 with I2S interface multiplexed
  • HDMI CEC interface, wakeup on header reception
• Serial wire debug (SWD)
• 96-bit unique ID

STM32F051R6 参数

STM32F051R6 存储器
程序FLASH (kB)	32
RAM (kB)	4
STM32F051R6 性能参数
工作频率 (MHz)	48
16-bit 定时器	8
32-bit 定时器	1
A/D 转换器	1x12-bit
D/A 转换器	1x12-bit
通信接口	1xSPI/I2S;1xI2C; 2xUSART; 1xCEC
I/Os	55
电压 (V)	2 to 3.6
STM32F051R6 封装与引脚
LQFP64

The STM32F051R8 family operates in the -40 to +85 C and -40 to +105 C temperature ranges, from a 2.0 to 3.6 V power supply. A comprehensive set of power-saving modes allows the design of low-power applications.

STM32F051R8 性能

• 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
  • Voltage range: 2.0 V to 3.6 V
  • Power-on/Power down reset (POR/PDR)
  • Programmable voltage detector (PVD)
  • Low power Sleep, Stop, and Standby modes
  • 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
• 1 x 12-bit, 1.0 us ADC (up to 16 channels)
  • Conversion range: 0 to 3.6V
  • Separate analog supply from 2.4 up to 3.6 V
• One 12-bit D/A converter
• 2 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
  • 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, 1 with I2S interface multiplexed
  • HDMI CEC interface, wakeup on header reception
• Serial wire debug (SWD)
• 96-bit unique ID

STM32F051R8 参数

STM32F051R8 存储器
程序FLASH (kB)	64
RAM (kB)	8
STM32F051R8 性能参数
工作频率 (MHz)	48
16-bit 定时器	8
32-bit 定时器	1
A/D 转换器	1x12-bit
D/A 转换器	1x12-bit
通信接口	1xSPI/I2S;1xSPI; 2xI2C;2xUSART;CEC
I/Os	55
电压 (V)	2 to 3.6
STM32F051R8 封装与引脚
LQFP64

各种工业自动化设备以及通用的可编程控制器(Programmable Controller，PLC)应用都将得益于该款新器件所带来的更高的空间节省率、用户安全性、抗噪性、可靠性和能效。

工业电源开关要求功率开关与逻辑控制电路实体隔离或电气隔离，以免功率端电气噪声干扰逻辑电路，确保操作人员的安全。而过去用于此目的的分立式光隔离器(光耦合器)占用额外的电路板空间，并由于老化、受温度影响等问题，提高了拥有成本。

意法半导体副总裁兼工业控制和功率转换产品事业部总经理 Matteo Lo Presti表示：“ISO8200B隔离型上桥臂开关是意法半导体的首款在同一个封装内整合电气隔离的功率电路和逻辑电路的集成产品，这样设计的好处是让控制器变得更小，用户的拥有成本更低。此外，作为业内同类产品中首个利用纯射频线，通过隔离层实现无线通信的功率开关，ISO8200B提供优异的抗噪性，确保目标应用操作稳定且可靠。”

在ISO8200B内部，逻辑芯片与功率芯片叠放在一起，在两颗芯片中间插有一个高隔离度的隔层。开关的输入直接连接微控制器或现场可编程逻辑门阵列(FPGA，(Field-Programmable Gate Array)，可驱动八路输出连接电感、电容或者电阻的负载。ISO8200B符合 IEC 61000-4-3射频抗噪标准。

在设计上，该产品保证低静态工作电流，降低功耗，比传统的基于光耦合器的解决方案更节能。此外，ISO8200B集成化功率开关的通态电阻极低，使系统能量损耗实现最小化，保证优异的热性能和更高的可靠性。

ISO8200B集成快速消磁电路，使电机或电磁炉等电感性负载能够快速减磁，进一步节省空间并降低成本。内置保护功能包括过热保护、短路保护、欠压保护、过压保护、地线断开或电源电压断开保护。此外，故障输出端口让微控制器能够直接监测开关操作状态。

ISO8200B现已正式投入量产，采用 PSO36 封装。

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