SCANCON0
Bit7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 |
SCANEN | SCANGO | BUSY | INVALID | INTM | MODE[1:0] | ||
AccessR/W | R/W/HC | R | R | R/W | R/W | R/W | |
Reset0 | 0 | 0 | 1 | 0 | 0 | 0 |
Scanner Enable bit(1)
Value | Description |
---|---|
1 | Scanner is enabled |
0 | Scanner is disabled, internal states are reset |
Scanner GO bit(2, 3)
Value | Description |
---|---|
1 | When the CRC sends a ready signal, NVM will be accessed according to MDx and data passed to the client peripheral. |
0 | Scanner operations will not occur |
Scanner Busy Indicator bit(4)
Value | Description |
---|---|
1 | Scanner cycle is in process |
0 | Scanner cycle is complete (or never started) |
Scanner Abort Signal bit
Value | Description |
---|---|
1 |
SCANLADRL/H/U has incremented to an invalid address(6) or the scanner was not setup correctly(7) |
0 |
SCANLADRL/H/U points to a valid address |
NVM Scanner Interrupt Management Mode Select bit
Value | Name | Description |
---|---|---|
X | MODE =
10 |
This bit is ignored |
1 | MODE =
01 |
CPU is stalled until all data is transferred. SCANGO is overridden (to zero) during interrupt operation; scanner resumes after returning from interrupt |
0 | MODE =
01 |
CPU is stalled until all data is transferred. SCANGO is not affected by interrupts, the interrupt response will be affected |
1 | MODE = 00 OR
01 |
SCANGO is overridden (to zero) during interrupt operation; scan operations resume after returning from interrupt |
0 | MODE = 00 OR
01 |
Interrupts do not prevent NVM access |
Memory Access Mode bits(5)
Value | Description |
---|---|
11 | Triggered mode |
10 | Peek mode |
01 | Burst mode |
00 | Concurrent mode |