Jumper Description - STMicroelectronics B-L462E-CELL1 User Manual

Connector
CN12
1. Default solder bridge state is shown in bold
8.15

Jumper description

The STM32 current measurement can be done on JP1. By default, the JP1 jumper is ON.
For the current measurement configuration, the JP1 jumper is OFF and an ammeter must be placed on JP1.
JP2 connects the NRST of the SWD protocol and the NRST of the LBAD0ZZ1SE module. By default, the JP2
jumper is ON.
JP3 is the ST-LINK serial port network. It can be connected to other devices to read data through jumpers. By
default, the JP3 jumper is OFF.
JP4 is the ST-LINK NRST network, which can control the status of ST-LINK MCU. By default, the JP4 jumper is
OFF.
CN4 is used to select the ST-LINK network. By default, CN4[1-2] and CN4[3-4] are ON.
CN5 is used for ST-LINK debug connector. By default, the CN5 jumper is OFF.
UM2743 - Rev 1
Pin number Signal name
11 PC1_C
12 PH0_C
13 PC0_C
14 PC9_C
15 5V
16 GND
17 PA8_C
18 PA5_C
19 PA15_C
20 PB14_C
Solder bridge (1) STM32L4 pin
- - PC1
- - PH0
- - PC0
- - PC9
- -
- -
- - PA8
- - PA5
- - PA15
- - PB14
UM2743
Jumper description
Function
INT
RESET
ADC1_IN1
TIM3_CH4
- Power
- Power
I/O
I/O
I/O
I/O
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