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.
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 |