longan register: IO_DRIVING_ABILITY_CTRL4
Details
- Name
- IO_DRIVING_ABILITY_CTRL4
- Offset
- 0214
- Feature
- HW_MISC
Description
Peripherial pad configuration
LED, SPI slave, I2C, UART drive strength, slew rate and schmitt trigger control
Fields
| Name | LSB | Bits | Description |
|---|---|---|---|
| RESERVED | 20 | 12 |
|
| LED_CK_DRV | 19 | 1 |
|
| LED_CK_SLEW | 18 | 1 |
|
| LED_DA_DRV | 17 | 1 |
|
| LED_DA_SLEW | 16 | 1 |
|
| SLV_SPI_CSN_DRV | 15 | 1 |
|
| SLV_SPI_CSN_SLEW | 14 | 1 |
|
| SLV_SPI_SDO_DRV | 13 | 1 |
|
| SLV_SPI_SDO_SLEW | 12 | 1 |
|
| I2C_SDA_DRV | 11 | 1 |
|
| I2C_SDA_SLEW | 10 | 1 |
|
| I2C_SCK_DRV | 9 | 1 |
|
| I2C_SCK_SLEW | 8 | 1 |
|
| UART0_RTS_DRV | 7 | 1 |
|
| UART0_RTS_SLEW | 6 | 1 |
|
| UART0_CTS_DRV | 5 | 1 |
|
| UART0_CTS_SLEW | 4 | 1 |
|
| UART0_TXD_DRV | 3 | 1 |
|
| UART0_TXD_SLEW | 2 | 1 |
|
| UART0_RXD_DRV | 1 | 1 |
|
| UART0_RXD_SLEW | 0 | 1 |
|