ST STM32MP157D-DK1 User Manual

Function STM32 pin Pin Pin STM32 pin Function
GPIO5 / MCO2 PG2 29 30 - GND
GPIO6 / TIM5_CH2 PH11 31 32 PD13 GPIO12 / TIM4_CH2
GPIO13 /TIM3_CH2 PC7 33 34 - GND
GPIO19 / SAI2_FSA PI7 35 36 PB13 GPIO16 / USART3_CTS
GPIO26 / SDMMC3_D2 PF5 37 38 PI6 GPIO20 / SAI2_SDA
GND - 39 40 PF11 GPIO21 / SAI2_SDB
6.18 VBAT connector
6.18.1 Description
The voltage on the VBAT pin of the STM32MP157x-DKx can be provided by an external battery. Use connector
CN3 to plug a CR2032 battery (3 V lithium battery), wired on Molex 51021-0200, as shown in Figure 18.
Caution: Pin1: VBAT. Pin2: GND.
Figure 18. CN3 VBAT connector
1
2
UM2637
VBAT connector
UM2637 - Rev 2
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ST STM32MP157D-DK1 Specifications

General

Brand	ST
Model	STM32MP157D-DK1
Category	Computer Hardware
Language	English