Write Control
Bit31 | 30 | 29 | 28 | 27 | 26 | 25 | 24 |
Access | |||||||
Reset | |||||||
Bit23 | 22 | 21 | 20 | 19 | 18 | 17 | 16 |
KEY[7:0] | |||||||
AccessR/W | R/W | R/W | R/W | R/W | R/W | R/W | R/W |
Reset0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Bit15 | 14 | 13 | 12 | 11 | 10 | 9 | 8 |
PERID[15:8] | |||||||
AccessR/W | R/W | R/W | R/W | R/W | R/W | R/W | R/W |
Reset0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Bit7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 |
PERID[7:0] | |||||||
AccessR/W | R/W | R/W | R/W | R/W | R/W | R/W | R/W |
Reset0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Peripheral Access Control Key
These bits define the peripheral access control key:
Value | Name | Description |
---|---|---|
0x0 | OFF | No action |
0x1 | CLEAR | Clear the peripheral write control |
0x2 | SET | Set the peripheral write control |
0x3 | LOCK | Set and lock the peripheral write control until the next hardware reset |
Peripheral Identifier
The PERID represents the peripheral whose control is changed using the WRCTRL.KEY. The Peripheral Identifier is calculated following formula:
Periph. Bridge Name | BridgeNumber | PERID Values |
---|---|---|
A | 0 | 0+N |
B | 1 | 32+N |
C | 2 | 64+N |
D | 3 | 96+N |
E | 4 | 128+N |