GPIO
Name: General Purpose Input/Output Register
Size: 32 bits
Address Offset: 0x58
Read/write access: Partly write/read and partly read-only
| Module Instance | Base Address | Register Address |
|---|---|---|
| i_sdmmc_sdmmc_block_0 | 0xFF808000 | 0xFF808058 |
Size: 32
Offset: 0x58
Access: RW
Important: The value of a reserved bit must be maintained in software. When you modify registers containing reserved bit fields, you must use a read-modify-write operation to preserve state and prevent indeterminate system behavior.
| Bit Fields | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 31 | 30 | 29 | 28 | 27 | 26 | 25 | 24 | 23 | 22 | 21 | 20 | 19 | 18 | 17 | 16 |
|
Reserved |
GPO RW 0x0 |
||||||||||||||
| 15 | 14 | 13 | 12 | 11 | 10 | 9 | 8 | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 |
|
GPO RW 0x0 |
GPI RO 0x0 |
||||||||||||||
GPIO Fields
| Bit | Name | Description | Access | Reset |
|---|---|---|---|---|
| 23:8 | GPO |
Value needed to be driven to gpo pins; this portion of register is read/write. Valid only when AREA_OPTIMIZED parameter is 0. |
RW | 0x0 |
| 7:0 | GPI |
Value on gpi input ports; this portion of register is read-only. Valid only when AREA_OPTIMIZED parameter is 0. |
RO | 0x0 |