write_protect
This register is used to control the assertion/de-assertion of the WP# pin to the device.
Module Instance | Base Address | Register Address |
---|---|---|
i_nand_config | 0xFFB80000 | 0xFFB80280 |
Offset: 0x280
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 |
|||||||||||||||
15 | 14 | 13 | 12 | 11 | 10 | 9 | 8 | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 |
Reserved |
flag RW 0x1 |
write_protect Fields
Bit | Name | Description | Access | Reset |
---|---|---|---|---|
0 | flag | When the controller is in reset, the WP# pin is always asserted to the device. Once the reset is removed, the WP# is de-asserted. The software will then have to come and program this bit to assert/de-assert the same. [list][*]1 - Write protect de-assert [*]0 - Write protect assert[/list] |
RW | 0x1 |