【免费】STM32F071x8/STM32F071xB数据手册

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This is information on a product in full production.

March 2020 DS10009 Rev 7 1/122

STM32F071x8 STM32F071xB

Arm

-based 32-bit MCU, up to 128 KB Flash, 12 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

– 64 to 128 Kbytes of Flash memory

– 16 Kbytes of SRAM with HW parity

• CRC calculation unit

• Reset and power management

– Digital and I/O supply: V

= 2.0 V to 3.6 V

– Analog supply: V

DDA

= V

to 3.6 V

– Selected I/Os: V

DDIO2

= 1.65 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

– Internal 48 MHz oscillator with automatic

trimming based on ext. synchronization

• Up to 87 fast I/Os

– All mappable on external interrupt vectors

– Up to 68 I/Os with 5V tolerant capability

and 19 with independent supply V

DDIO2

• 7-channel DMA controller

• One 12-bit, 1.0 µs ADC (up to 16 channels)

– Conversion range: 0 to 3.6 V

– Separate analog supply: 2.4 V to 3.6 V

• One 12-bit D/A converter (with 2 channels)

• 2 fast low-power analog comparators with

programmable input and output

• Up to 24 capacitive sensing channels for

touchkey, linear and rotary touch sensors

• Calendar RTC with alarm and periodic wakeup

from Stop/Standby

• 12 timers

– One 16-bit advanced-control timer for

six-channel PWM output

– One 32-bit and seven 16-bit timers, with up

to four IC/OC, OCN, usable for IR control

decoding or DAC control

– Independent and system watchdog timers

– SysTick timer

• Communication interfaces

–2 I

C interfaces supporting Fast Mode Plus

(1 Mbit/s) with 20 mA current sink, one

supporting SMBus/PMBus and wakeup

– 4 USARTs supporting master synchronous

SPI and modem control, two with ISO7816

interface, LIN, IrDA, auto baud rate

detection and wakeup feature

– 2 SPIs (18 Mbit/s) with 4 to 16

programmable bit frames, and with I

interface multiplexed

• HDMI CEC, wakeup on header reception

• Serial wire debug (SWD)

• 96-bit unique ID

• All packages ECOPACK

Table 1. Device summary

Reference Part number

STM32F071x8

STM32F071xB

STM32F071C8, STM32F071V8

STM32F071CB, STM32F071RB, STM32F071VB

LQFP100 14 × 14 mm

LQFP64 10 × 10 mm

LQFP48 7 × 7 mm

UFQFPN48

7×7 mm

UFBGA100

FBGA

7×7mm

WLCSP49

3.3 × 3.1 mm

UFBGA64

5×5mm

www.st.com

Contents STM32F071x8 STM32F071xB

2/122 DS10009 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 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

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

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

3.7 General-purpose inputs/outputs (GPIOs) . . . . . . . . . . . . . . . . . . . . . . . . . 17

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

3.10 Analog-to-digital converter (ADC) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

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) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

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

3.14.1 Advanced-control timer (TIM1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

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

3.14.3 Basic timers TIM6 and TIM7 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

3.14.4 Independent watchdog (IWDG) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

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

DS10009 Rev 7 3/122

STM32F071x8 STM32F071xB 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 Clock recovery system (CRS) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

3.21 Serial wire debug port (SW-DP) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

4 Memory mapping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

5 Pinouts and pin descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

6 Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46

6.1 Parameter conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46

6.1.1 Minimum and maximum values . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46

6.1.2 Typical values . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46

6.1.3 Typical curves . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46

6.1.4 Loading capacitor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46

6.1.5 Pin input voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46

6.1.6 Power supply scheme . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47

6.1.7 Current consumption measurement . . . . . . . . . . . . . . . . . . . . . . . . . . . 48

6.2 Absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49

6.3 Operating conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51

6.3.1 General operating conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51

6.3.2 Operating conditions at power-up / power-down . . . . . . . . . . . . . . . . . . 51

6.3.3 Embedded reset and power control block characteristics . . . . . . . . . . . 52

6.3.4 Embedded reference voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53

6.3.5 Supply current characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53

6.3.6 Wakeup time from low-power mode . . . . . . . . . . . . . . . . . . . . . . . . . . . 64

6.3.7 External clock source characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . 64

6.3.8 Internal clock source characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . 68

6.3.9 PLL characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72

6.3.10 Memory characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72

6.3.11 EMC characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73

Contents STM32F071x8 STM32F071xB

4/122 DS10009 Rev 7

6.3.12 Electrical sensitivity characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74

6.3.13 I/O current injection characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75

6.3.14 I/O port characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76

6.3.15 NRST pin characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81

6.3.16 12-bit ADC characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82

6.3.17 DAC electrical specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 86

6.3.18 Comparator characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88

6.3.19 Temperature sensor characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90

6.3.20 V

BAT

monitoring characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90

6.3.21 Timer characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90

6.3.22 Communication interfaces . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91

7 Package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97

7.1 UFBGA100 package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97

7.2 LQFP100 package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100

7.3 LQFP64 package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 103

7.4 WLCSP49 package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 106

7.5 LQFP48 package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 109

7.6 UFQFPN48 package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .112

7.7 Thermal characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .115

7.7.1 Reference document . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 115

7.7.2 Selecting the product temperature range . . . . . . . . . . . . . . . . . . . . . . 115

8 Ordering information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 118

9 Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 119

DS10009 Rev 7 5/122

STM32F071x8 STM32F071xB List of tables

List of tables

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

Table 2. STM32F071x8/xB family device features and peripheral counts . . . . . . . . . . . . . . . . . . . . 11

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

Table 4. Internal voltage reference calibration values . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

Table 5. Capacitive sensing GPIOs available on STM32F071x8/xB devices. . . . . . . . . . . . . . . . . . 20

Table 6. Number of capacitive sensing channels available

on STM32F071x8/xB devices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

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

Table 8. Comparison of I

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

Table 9. STM32F071x8/xB I

C implementation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

Table 10. STM32F071x8/xB USART implementation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

Table 11. STM32F071x8/xB SPI/I

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

Table 12. Peripheral register boundary addresses. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

Table 13. Legend/abbreviations used in the pinout table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

Table 14. STM32F071x8/xB pin definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

Table 15. Alternate functions selected through GPIOA_AFR registers for port A . . . . . . . . . . . . . . . 42

Table 16. Alternate functions selected through GPIOB_AFR registers for port B . . . . . . . . . . . . . . . 43

Table 17. Alternate functions selected through GPIOC_AFR registers for port C . . . . . . . . . . . . . . . 44

Table 18. Alternate functions selected through GPIOD_AFR registers for port D . . . . . . . . . . . . . . . 44

Table 19. Alternate functions selected through GPIOE_AFR registers for port E . . . . . . . . . . . . . . . 45

Table 20. Alternate functions available on port F . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45

Table 21. Voltage characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49

Table 22. Current characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50

Table 23. Thermal characteristics. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50

Table 24. General operating conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51

Table 25. Operating conditions at power-up / power-down . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52

Table 26. Embedded reset and power control block characteristics. . . . . . . . . . . . . . . . . . . . . . . . . . 52

Table 27. Programmable voltage detector characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52

Table 28. Embedded internal reference voltage. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53

Table 29. Typical and maximum current consumption from V

supply at V

= 3.6 V . . . . . . . . . . 54

Table 30. Typical and maximum current consumption from the V

DDA

supply . . . . . . . . . . . . . . . . . 56

Table 31. Typical and maximum consumption in Stop and Standby modes . . . . . . . . . . . . . . . . . . . 57

Table 32. Typical and maximum current consumption from the V

BAT

supply. . . . . . . . . . . . . . . . . . . 58

Table 33. Typical current consumption, code executing from Flash memory,

running from HSE 8 MHz crystal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59

Table 34. Switching output I/O current consumption . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61

Table 35. Peripheral current consumption . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62

Table 36. Low-power mode wakeup timings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64

Table 37. High-speed external user clock characteristics. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64

Table 38. Low-speed external user clock characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65

Table 39. HSE oscillator characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66

Table 40. LSE oscillator characteristics (f

LSE

= 32.768 kHz) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67

Table 41. HSI oscillator characteristics. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69

Table 42. HSI14 oscillator characteristics. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70

Table 43. HSI48 oscillator characteristics. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71

Table 44. LSI oscillator characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72

Table 45. PLL characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72

Table 46. Flash memory characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72

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