Atmel Evaluation Kit AT91SAM9M10-G45-EK AT91SAM9M10-G45-EK Data Sheet
Product codes
AT91SAM9M10-G45-EK
109
SAM9M10 [DATASHEET]
6355F–ATARM–12-Mar-13
15.5.2
Periodic Interval Timer Status Register
Name:
PIT_SR
Address:
0xFFFFFD34
Access:
Read-only
• PITS: Periodic Interval Timer Status
0 = The Periodic Interval timer has not reached PIV since the last read of PIT_PIVR.
1 = The Periodic Interval timer has reached PIV since the last read of PIT_PIVR.
15.5.3
Periodic Interval Timer Value Register
Name:
PIT_PIVR
Address:
0xFFFFFD38
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
–
–
–
–
–
–
–
–
23
22
21
20
19
18
17
16
–
–
–
–
–
–
–
–
15
14
13
12
11
10
9
8
–
–
–
–
–
–
–
–
7
6
5
4
3
2
1
0
–
–
–
–
–
–
–
PITS
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