13.5.1 Control A
Name: | CTRLA |
Offset: | 0x00 |
Reset: | 0x00 |
Property: | Configuration Change Protection |
Bit | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 | |
IVSEL | CVT | LVL0RR | |||||||
Access | R/W | R/W | R/W | ||||||
Reset | 0 | 0 | 0 |
Bit 6 – IVSEL Interrupt Vector Select
This bit is protected by the Configuration Change Protection mechanism.
Value | Description |
---|---|
0 | Interrupt vectors are placed at the start of the application section of the Flash |
1 | Interrupt vectors are placed at the start of the boot section of the Flash |
Bit 5 – CVT Compact Vector Table
This bit is protected by the Configuration Change Protection mechanism.
Value | Description |
---|---|
0 | Compact Vector Table function is disabled |
1 | Compact Vector Table function is enabled |
Bit 0 – LVL0RR Round Robin Priority Enable
Value | Description |
---|---|
0 | Priority is fixed for priority level 0 interrupt requests: The lowest interrupt vector address has the highest priority |
1 | The round robin priority scheme is enabled for priority level 0 interrupt requests |