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1745D–ATARM–04-Nov-05
AT91M55800A
The tables below show which parameter in TC_CMR is used to define the effect of each event.
If two or more events occur at the same time, the priority level is defined as follows:
1. Software trigger
2. External event
3. RC compare
4. RA or RB compare
19.4.4 Status
The following bits in the status register are significant in Waveform Mode:
• CPAS: RA Compare Status
There has been a RA Compare match at least once since the last read of the status
• CPBS: RB Compare Status
There has been a RB Compare match at least once since the last read of the status
• CPCS: RC Compare Status
There has been a RC Compare match at least once since the last read of the status
• COVFS: Counter Overflow
Counter has attempted to count past $FFFF since the last read of the status
• ETRGS: External Trigger
External trigger has been detected since the last read of the status
Parameter TIOA Event
ASWTRG Software trigger
AEEVT External event
ACPC RC compare
ACPA RA compare
Parameter TIOB Event
BSWTRG Software trigger
BEEVT External event
BCPC RC compare
BCPB RB compare