Datasheet

280
SAM4S Series [DATASHEET]
11100F–ATARM–29-Jan-14
Figure 15-2. RTT Counting
Prescaler
ALMVALMV-10 ALMV+1
0
RTPRES - 1
RTT
APB cycle
read RTT_SR
ALMS (RTT_SR)
APB Interface
SLCK
RTTINC (RTT_SR)
ALMV+2 ALMV+3
...
APB cycle