gpio_ext_porta
Name: Port A external port register
Size: 1-32 bits
Address Offset: 0x50
Read/Write Access: Read
Module Instance | Base Address | Register Address |
---|---|---|
i_gpio_0_gpio | 0xFFC02900 | 0xFFC02950 |
i_gpio_1_gpio | 0xFFC02A00 | 0xFFC02A50 |
i_gpio_2_gpio | 0xFFC02B00 | 0xFFC02B50 |
Offset: 0x50
Access: RO
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 |
gpio_ext_porta RO 0x0 |
||||||||||||||
15 | 14 | 13 | 12 | 11 | 10 | 9 | 8 | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 |
gpio_ext_porta RO 0x0 |
gpio_ext_porta Fields
Bit | Name | Description | Access | Reset |
---|---|---|---|---|
23:0 | gpio_ext_porta | When Port A is configured as Input, then reading this location reads the values on the signal. When the data direction of Port A is set as Output, reading this location reads the data register for Port A. |
RO | 0x0 |