nrf53-series

Pin maps

The pin assignments for the nRF5340 System on Chip (SoC) are listed in the pin map table.

The following table describes the pin numbers, their label names, and their functions.

Table 1. nRF5340 SoC pin map
I/O Label Description
P0.00 XL1 Low frequency crystal
P0.01 XL2
P0.02 NFC1 Near Field Communication (NFC) antenna
P0.03 NFC2
P0.04 EXP_BOARD_PIN1 General-Purpose Input/Output (GPIO)/Inter-integrated Circuit (I2C) SDA line for external boards
P0.05 EXP_BOARD_PIN2 GPIO/I2C SCL line for external boards
P0.06 BAT_MEAS Analog input for measuring battery voltage
P0.07 PMIC_CTRL_ISET Pin for configuring nPM1100 Power Management Integrated Circuit (PMIC)'s VBUS current limit
P0.08 TRACE3 P0.08 GPIO/trace data line 3
P0.09 TRACE2 P0.09 GPIO/trace data line 2
P0.10 TRACE1 P0.10 GPIO/trace data line 1
P0.11 TRACE0 P0.11 GPIO/trace data line 0
P0.12 TRACECLK P0.12 GPIO/trace clock line
P0.13 EXT_FLASH_QSPI0 External flash data line 0
P0.14 EXT_FLASH_QSPI1 External flash data line 1
P0.15 3V3_ENABLE Enable signal for 3V3 regulator
P0.16 BAT_MEAS_ENABLE Enable signal for battery measurement circuit
P0.17 EXT_FLASH_CLK External memory clock line
P0.18 EXT_FLASH_CS External memory Integrated Circuit (IC) select line
P0.19 ADXL362_INT1 ADXL362 interrupt 1 line
P0.20 BMM150_INT BMI150 interrupt line
P0.21 BMI150_DRDY BMI150 data ready line
P0.22 ADXL362_CS ADXL362 chip select line
P0.23 BMI270_INT1 BMI interrupt 1 line
P0.24 FEM_CTRL_CSN nRF21540 RF FEM chip select line
P0.25 VM3011_DOUT VM3011 data out line
P0.26 MISO Serial Peripheral Interface (SPI) master input slave output line
P0.27 VM3011 PDM DIN Pulse Density Modulation (PDM) data line from VM3011
P0.28 MOSI SPI master output slave input line
P0.29 SCK SPI clock line
P0.30 FEM_CTRL_TX_EN nRF21540 RF FEM TX enable signal
P0.31 SENS_PWR_CTRL Enable signal for load switch controlling sensor power
P1.00 CHG Charging indication signal from nPM1100 PMIC I2C
P1.01 ERR Charging error indication signal from nPM1100 PMIC I2C
P1.02 SDA I2C data Line
P1.03 SCL I2C clock line
P1.04 BMI270_CS BMI270 chip select line
P1.05 BH_INT BH1749NUC color sensor interrupt line
P1.06 LED_GREEN Green color of the RGB LED
P1.07 LED_BLUE Blue color of the RGB LED
P1.08 LED_RED Red color of the RGB LED
P1.09 PDM_CLK PDM clock line
P1.10 SEL Antenna select line
P1.11 FEM_CTRL_RX_EN nRF21540 RF FEM RX enable signal
P1.12 MODE nRF21540 RF FEM mode signal
P1.13 BUTTON1 Button input 1
P1.14 BUTTON2 Button input 2
P1.15 BUZZER Buzzer Pulse Width Modulation (PWM) signal