【免费】STM32F051x4/STM32F051x6/STM32F051x8数据手册资源-CSDN文库

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This is information on a product in full production.

January 2017 DocID022265 Rev 7 1/122

STM32F051x4 STM32F051x6

STM32F051x8

ARM

-based 32-bit MCU, 16 to 64 KB Flash, 11 timers, ADC,

DAC and communication interfaces, 2.0-3.6 V

Datasheet - production data

Features

• 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: V

= 2.0 V to 3.6 V

– Analog supply: V

DDA

= from V

to 3.6 V

– Power-on/Power down reset (POR/PDR)

– Programmable voltage detector (PVD)

– Low power modes: Sleep, Stop, Standby

–V

BAT

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

• 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 I

C 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 I

interface multiplexed

• HDMI CEC interface, wakeup on header

reception

• Serial wire debug (SWD)

• 96-bit unique ID

• All packages ECOPACK

Table 1. Device summary

Reference Part number

STM32F051xx

STM32F051C4, STM32F051K4, STM32F051R4

STM32F051C6, STM32F051K6, STM32F051R6

STM32F051C8, STM32F051K8, STM32F051R8,

STM32F051T8

LQFP64 10x10 mm

LQFP48 7x7 mm

UFQFPN48 7x7 mm

UFBGA64

5x5 mm

LQFP32 7x7 mm

)%*$

UFQFPN32 5x5 mm

WLCSP36

2.6x2.7 mm

www.st.com

Contents STM32F051x4 STM32F051x6 STM32F051x8

2/122 DocID022265 Rev 7

Contents

1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

2 Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

3 Functional overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

3.1 ARM

-Cortex

-M0 core . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

3.2 Memories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

3.3 Boot modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

3.4 Cyclic redundancy check calculation unit (CRC) . . . . . . . . . . . . . . . . . . . 14

3.5 Power management . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

3.5.1 Power supply schemes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

3.5.2 Power supply supervisors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

3.5.3 Voltage regulator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

3.5.4 Low-power modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

3.6 Clocks and startup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

3.7 General-purpose inputs/outputs (GPIOs) . . . . . . . . . . . . . . . . . . . . . . . . . 16

3.8 Direct memory access controller (DMA) . . . . . . . . . . . . . . . . . . . . . . . . . . 17

3.9 Interrupts and events . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

3.9.1 Nested vectored interrupt controller (NVIC) . . . . . . . . . . . . . . . . . . . . . . 17

3.9.2 Extended interrupt/event controller (EXTI) . . . . . . . . . . . . . . . . . . . . . . 17

3.10 Analog-to-digital converter (ADC) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

3.10.1 Temperature sensor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

3.10.2 Internal voltage reference (V

REFINT

) . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

3.10.3 V

BAT

battery voltage monitoring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

3.11 Digital-to-analog converter (DAC) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

3.12 Comparators (COMP) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

3.13 Touch sensing controller (TSC) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

3.14 Timers and watchdogs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

3.14.1 Advanced-control timer (TIM1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

3.14.2 General-purpose timers (TIM2, 3, 14, 15, 16, 17) . . . . . . . . . . . . . . . . . 22

3.14.3 Basic timer TIM6 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

3.14.4 Independent watchdog (IWDG) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

3.14.5 System window watchdog (WWDG) . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

DocID022265 Rev 7 3/122

STM32F051x4 STM32F051x6 STM32F051x8 Contents

3.14.6 SysTick timer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

3.15 Real-time clock (RTC) and backup registers . . . . . . . . . . . . . . . . . . . . . . 23

3.16 Inter-integrated circuit interface (I

C) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

3.17 Universal synchronous/asynchronous receiver/transmitter (USART) . . . 25

3.18 Serial peripheral interface (SPI) / Inter-integrated sound interface (I

S) . 26

3.19 High-definition multimedia interface (HDMI) - consumer

electronics control (CEC) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

3.20 Serial wire debug port (SW-DP) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

4 Pinouts and pin descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

5 Memory mapping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39

6 Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42

6.1 Parameter conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42

6.1.1 Minimum and maximum values . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42

6.1.2 Typical values . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42

6.1.3 Typical curves . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42

6.1.4 Loading capacitor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42

6.1.5 Pin input voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42

6.1.6 Power supply scheme . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43

6.1.7 Current consumption measurement . . . . . . . . . . . . . . . . . . . . . . . . . . . 44

6.2 Absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45

6.3 Operating conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47

6.3.1 General operating conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47

6.3.2 Operating conditions at power-up / power-down . . . . . . . . . . . . . . . . . . 47

6.3.3 Embedded reset and power control block characteristics . . . . . . . . . . . 48

6.3.4 Embedded reference voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49

6.3.5 Supply current characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49

6.3.6 Wakeup time from low-power mode . . . . . . . . . . . . . . . . . . . . . . . . . . . 59

6.3.7 External clock source characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . 59

6.3.8 Internal clock source characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . 63

6.3.9 PLL characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66

6.3.10 Memory characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66

6.3.11 EMC characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67

6.3.12 Electrical sensitivity characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68

6.3.13 I/O current injection characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69

Contents STM32F051x4 STM32F051x6 STM32F051x8

4/122 DocID022265 Rev 7

6.3.14 I/O port characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70

6.3.15 NRST pin characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75

6.3.16 12-bit ADC characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76

6.3.17 DAC electrical specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80

6.3.18 Comparator characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82

6.3.19 Temperature sensor characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . 84

6.3.20 V

BAT

monitoring characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 84

6.3.21 Timer characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 84

6.3.22 Communication interfaces . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 85

7 Package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91

7.1 UFBGA64 package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91

7.2 LQFP64 package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 94

7.3 LQFP48 package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97

7.4 UFQFPN48 package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100

7.5 WLCSP36 package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 103

7.6 LQFP32 package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 106

7.7 UFQFPN32 package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 108

7.8 Thermal characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .112

7.8.1 Reference document . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 112

7.8.2 Selecting the product temperature range . . . . . . . . . . . . . . . . . . . . . . 112

8 Ordering information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 115

9 Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 116

DocID022265 Rev 7 5/122

STM32F051x4 STM32F051x6 STM32F051x8 List of tables

List of tables

Table 1. Device summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

Table 2. STM32F051xx family device features and peripheral count . . . . . . . . . . . . . . . . . . . . . . . . 11

Table 3. Temperature sensor calibration values. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

Table 4. Internal voltage reference calibration values . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

Table 5. Capacitive sensing GPIOs available on STM32F051xx devices . . . . . . . . . . . . . . . . . . . . 20

Table 6. Effective number of capacitive sensing channels on STM32F051xx . . . . . . . . . . . . . . . . . 20

Table 7. Timer feature comparison . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

Table 8. Comparison of I

C analog and digital filters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

Table 9. STM32F051xx I

C implementation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

Table 10. STM32F051xx USART implementation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

Table 11. STM32F051xx SPI/I

S implementation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

Table 12. Legend/abbreviations used in the pinout table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

Table 13. Pin definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

Table 14. Alternate functions selected through GPIOA_AFR registers for port A . . . . . . . . . . . . . . . 37

Table 15. Alternate functions selected through GPIOB_AFR registers for port B . . . . . . . . . . . . . . . 38

Table 16. STM32F051xx peripheral register boundary addresses. . . . . . . . . . . . . . . . . . . . . . . . . . . 40

Table 17. Voltage characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45

Table 18. Current characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46

Table 19. Thermal characteristics. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46

Table 20. General operating conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47

Table 21. Operating conditions at power-up / power-down . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48

Table 22. Embedded reset and power control block characteristics. . . . . . . . . . . . . . . . . . . . . . . . . . 48

Table 23. Programmable voltage detector characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48

Table 24. Embedded internal reference voltage. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49

Table 25. Typical and maximum current consumption from V

at 3.6 V . . . . . . . . . . . . . . . . . . . . . 50

Table 26. Typical and maximum current consumption from the V

DDA

supply . . . . . . . . . . . . . . . . . 51

Table 27. Typical and maximum current consumption in Stop and Standby modes . . . . . . . . . . . . 52

Table 28. Typical and maximum current consumption from the V

BAT

supply. . . . . . . . . . . . . . . . . . . 53

Table 29. Typical current consumption, code executing from Flash memory,

running from HSE 8 MHz crystal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54

Table 30. Switching output I/O current consumption . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56

Table 31. Peripheral current consumption . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57

Table 32. Low-power mode wakeup timings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59

Table 33. High-speed external user clock characteristics. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59

Table 34. Low-speed external user clock characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60

Table 35. HSE oscillator characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61

Table 36. LSE oscillator characteristics (f

LSE

= 32.768 kHz) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62

Table 37. HSI oscillator characteristics. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64

Table 38. HSI14 oscillator characteristics. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65

Table 39. LSI oscillator characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66

Table 40. PLL characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66

Table 41. Flash memory characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66

Table 42. Flash memory endurance and data retention . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67

Table 43. EMS characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67

Table 44. EMI characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68

Table 45. ESD absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69

Table 46. Electrical sensitivities . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69

Table 47. I/O current injection susceptibility . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70

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