Datasheet
Pinouts and pin descriptions STM32F071x8 STM32F071xB
38/122 DocID025451 Rev 6
B5 92 58 42 C4 PB6 I/O FTf -
I2C1_SCL, USART1_TX,
TIM16_CH1N,
TSC_G5_I03
-
B4 93 59 43 D4 PB7 I/O FTf -
I2C1_SDA, USART1_RX,
USART4_CTS,
TIM17_CH1N,
TSC_G5_IO4
-
A4 94 60 44 A5 BOOT0 I B - Boot memory selection
A3 95 61 45 B5 PB8 I/O FTf -
I2C1_SCL, CEC,
TIM16_CH1, TSC_SYNC
-
B3 96 62 46 C5 PB9 I/O FTf -
SPI2_NSS, I2S2_WS,
I2C1_SDA, IR_OUT,
TIM17_CH1, EVENTOUT
-
C3 97 - - - PE0 I/O FT - EVENTOUT, TIM16_CH1 -
A2 98 - - - PE1 I/O FT - EVENTOUT, TIM17_CH1 -
D3 99 63 47 A6 VSS S - - Ground
C4 100 64 48 A7 VDD S - - Digital power supply
1. PC13, PC14 and PC15 are supplied through the power switch. Since the switch only sinks a limited amount of current
(3 mA), the use of GPIOs PC13 to PC15 in output mode is limited:
- The speed should not exceed 2 MHz with a maximum load of 30 pF.
- These GPIOs must not be used as current sources (e.g. to drive an LED).
2. After the first RTC domain power-up, PC13, PC14 and PC15 operate as GPIOs. Their function then depends on the content
of the RTC registers which are not reset by the system reset. For details on how to manage these GPIOs, refer to the RTC
domain and RTC register descriptions in the reference manual.
3. PC6, PC7, PC8, PC9, PA8, PA9, PA10, PA11, PA12, PA13, PF6, PA14, PA15, PC10, PC11, PC12, PD0, PD1 and PD2 I/Os
are supplied by VDDIO2.
4. After reset, these pins are configured as SWDIO and SWCLK alternate functions, and the internal pull-up on the SWDIO pin
and the internal pull-down on the SWCLK pin are activated.
Table 13. STM32F071x8/xB pin definitions (continued)
Pin numbers
Pin name
(function upon
reset)
Pin
type
I/O structure
Notes
Pin functions
UFBGA100
LQFP100
LQFP64
LQFP48/UFQFPN48
WLCSP49
Alternate functions
Additional
functions
Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.