31.2.23.2 NVM MUTEX Register
Note: If LOCK’d when a reset occurs,
hardware reverts ownership to OWNER=00 and LOCK=0 after the controller cleans up the
operation.
Symbol | Description | Symbol | Description | Symbol | Description |
---|---|---|---|---|---|
R | Readable bit | HC | Cleared by Hardware | (Grey cell) | Unimplemented |
W | Writable bit | HS | Set by Hardware | X | Bit is unknown at Reset |
K | Write to clear | S | Software settable bit | — | — |
Name: | MUTEX |
Offset: | 0x0008 |
Reset: | 0x00000000 |
Property: | PAC Write Protection |
Bit | 31 | 30 | 29 | 28 | 27 | 26 | 25 | 24 | |
Access | |||||||||
Reset |
Bit | 23 | 22 | 21 | 20 | 19 | 18 | 17 | 16 | |
Access | |||||||||
Reset |
Bit | 15 | 14 | 13 | 12 | 11 | 10 | 9 | 8 | |
Access | |||||||||
Reset |
Bit | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 | |
OWNER[1:0] | LOCK | ||||||||
Access | R/W | R/W | R/W | ||||||
Reset | 0 | 0 | 0 |
Bits 2:1 – OWNER[1:0] Flash Controller, Write (FCW) Owner ID
Value | Description |
---|---|
11 | Reserved |
10 | Reserved |
01 | The System owns the FCW. |
00 | No Owner - always 0 if LOCK=0. |
Bit 0 – LOCK Flash Controller, Write (FCW) Lock by Owner
Value | Description |
---|---|
1 | FCW is locked by owner |
0 | FCW is not locked |