at91sam9g20-cu ATMEL Corporation, at91sam9g20-cu Datasheet - Page 109

• Manufacturer Part Number: at91sam9g20-cu
• Description: At91 Arm Thumb Microcontrollers
• Manufacturer: ATMEL Corporation

16.4.2
Register Name: PIT_SR
Access Type: 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.
16.4.3
Register Name: PIT_PIVR
Access Type: 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.
6384B–ATARM–15-Dec-08
31
23
15
31
23
15
–
–
–
7
–
7
Periodic Interval Timer Status Register
Periodic Interval Timer Value Register
30
22
14
30
22
14
–
–
–
6
–
6
PICNT
29
21
13
29
21
13
–
–
–
5
–
5
28
20
12
28
20
12
–
–
–
4
–
4
PICNT
CPIV
CPIV
27
19
11
27
19
11
–
–
–
3
–
3
AT91SAM9G20 Preliminary
26
18
10
26
18
10
–
–
–
2
–
2
CPIV
25
17
25
17
–
–
9
–
1
–
9
1
PITS
24
16
24
16
–
–
8
–
0
8
0
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