GPIO Dip Switch Settings
You need to perform certain dip switch settings before connection peripherals to the JH-7110 DevKit.
The following table shows the required GPIO dip switch settings.
| GPIO Group | GPIO | Dip Switch for Function | Remarks | ||
|---|---|---|---|---|---|
| Dip Switch | Function | ||||
| 1 | GPIO33 | S2pin1: ON* | MIPI_EDP_BL | ||
| 2 | GPIO39 | S2pin2: ON | PA_EN_H | ||
| GPIO41 | S3pin2: ON | LT8911EXB_RST | |||
| GPIO52 | S3pin1: ON | BT_EN_H | |||
| GPIO44 | S4pin1: ON | I2S_DSDIN | |||
| GPIO38 | S4pin2: ON | I2S_SCLK | |||
| GPIO45 | S5pin2: ON | UART_TXD_232 | |||
| GPIO46 | S5pin1: ON | UART_RXD_232 | |||
| GPIO53 | S6pin2: ON | BT_UART_TXD | |||
| GPIO54 | S6pin1: ON | BT_UART_RXD | |||
| GPIO55 | S7pin2: ON | BT_UART_RTS | |||
| GPIO56 | S7pin1: ON | BT_UART_CTS | |||
| GPIO61 | S8pin2: ON | I2S_ASDOUT | |||
| GPIO63 | S8pin1: ON | I2S_LRCK | |||
| EXT | P0_5 | S10pin2: ON | SDIO1_SEL_H | 1* | |
| P0_7 | S10pin1: ON | MIPI_SEL_H | |||
| S9pin2: ON | BT_DIS_N | 2* | |||
| S9pin1: ON | WL_DIS_N | 3* | |||
Note:
- *: ON means connected, otherwise means disconnected.
- 1*: It means you have selected the SD card mode. Otherwise, it means you have selected the WiFi mode.
- 2*: WIFI switch for M.2 KEY E module, ON by default.
- 3*: Bluetooth switch for M.2 KEY E module, ON by default.