3.3.2 Host MCU Board with mikroBUS™ Socket via mikroBUS Interface (Host Companion Mode)

The RNWF02 Add On Board can also be used with the host MCU boards using mikroBUS sockets with the control interface. The following table shows how the pinout on the RNWF02 Add On Board mikroBUS interface corresponds to the pinout on the RNWF02PC module.

Note: Disconnect the USB Type-C® cable in the host Companion mode.
Table 3-4. mikroBUS Socket Pinout Details (J204)
Pin Number J204Pin on mikroBUS™ HeaderPin Description of mikroBUS HeaderPin on RNWF02PC Module(1)
Pin1ANAnalog input—
Pin2RSTResetPin4, MCLR
Pin3CSSPI Chip SelectPin16, UART1_CTS
Pin4SCKSPI Clock—
Pin5MISOSPI host input client output—
Pin6MOSISPI host output client inputPin15, UART1_RTS
Pin7+3.3V3.3V power+3.3V from host MCU socket
Pin8GNDGroundGND
Table 3-5. mikroBUS Socket Pinout Details (J205)
Pin Number J205Pin on mikroBUS™ HeaderPin Description of mikroBUS HeaderPin on RNWF02PC Module(1)
Pin1(3)PWMPWM outputPin11, Reserved
Pin2INTHardware interruptPin13, IRQ/INTOUT
Pin3TXUART transmitPin14, UART1_TX
Pin4RXUART receivePin19, UART1_RX
Pin5SCLI2C ClockPin2, I2C_SCL
Pin6SDAI2C DataPin3, I2C_SDA
Pin7+5V5V powerNC
Pin8GNDGroundGND
Note:
  1. For more details on the RNWF02PC module pins, refer to the RNWF02 Wi-Fi® Module Data Sheet (DS70005544).
  2. The RNWF02 Add On Board does not support the SPI interface, which is available on the mikroBUS interface.
  3. It is recommended to connect this pin with the Tri-State pin on the host board.