CTIINTACK, CTI Output Trigger Acknowledge register
The CTIINTACK characteristics are:
Purpose
Can be used to deactivate the output triggers.
Configuration
CTIINTACK is in the Debug power domain.
Attributes
CTIINTACK is a 32-bit register.
Field descriptions
The CTIINTACK bit assignments are:
31 | 30 | 29 | 28 | 27 | 26 | 25 | 24 | 23 | 22 | 21 | 20 | 19 | 18 | 17 | 16 | 15 | 14 | 13 | 12 | 11 | 10 | 9 | 8 | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 |
ACK<n>, bit [n] |
ACK<n>, bit [n], for n = 0 to 31
Acknowledge for output trigger <n>.
Bits [31:N] are RAZ/WI. N is the number of CTI triggers implemented as defined by the CTIDEVID.NUMTRIG field.
If any of the following is true, writes to ACK<n> are ignored:
- n >= CTIDEVID.NUMTRIG, the number of implemented triggers.
- Output trigger n is not active.
- The channel mapping function output, as controlled by CTIOUTEN<n>, is still active.
Otherwise, if any of the following are true, it is IMPLEMENTATION DEFINED whether writes to ACK<n> are ignored:
- Output trigger n is not implemented.
- Output trigger n is not connected.
- Output trigger n is self-acknowledging and does not require software acknowledge.
Otherwise, the behavior on writes to ACK<n> is as follows:
ACK<n> | Meaning |
---|---|
0b0 |
No effect |
0b1 |
Deactivate the trigger. |
Accessing the CTIINTACK
A debugger must read CTITRIGOUTSTATUS to confirm that the output trigger has been acknowledged before generating any event that must be ordered after the write to CTIINTACK, such as a write to CTIAPPPULSE to activate another trigger.
CTIINTACK can be accessed through the external debug interface:
Component | Offset | Instance |
---|---|---|
CTI | 0x010 | CTIINTACK |
This interface is accessible as follows:
- When SoftwareLockStatus() accesses to this register are WI.
- When !SoftwareLockStatus() accesses to this register are WO.