Atmel Evaluation Kit AT91SAM9G25-EK AT91SAM9G25-EK データシート
製品コード
AT91SAM9G25-EK
149
SAM9G25 [DATASHEET]
11032C–ATARM–25-Jan-13
16.5.3 Periodic Interval Timer Value Register
Name:
PIT_PIVR
Address:
0xFFFFFE38
Access:
Read-only
Reading this register clears PITS in PIT_SR.
• CPIV: Current Periodic Interval Value
Returns the current value of the periodic interval timer.
• PICNT: Periodic Interval Counter
Returns the number of occurrences of periodic intervals since the last read of PIT_PIVR.
31
30
29
28
27
26
25
24
PICNT
23
22
21
20
19
18
17
16
PICNT
CPIV
15
14
13
12
11
10
9
8
CPIV
7
6
5
4
3
2
1
0
CPIV