at91sam9263 ATMEL Corporation, at91sam9263 Datasheet - Page 139

• Manufacturer Part Number: at91sam9263
• Description: At91 Arm Thumb Microcontrollers
• Manufacturer: ATMEL Corporation

16.4.1
Register Name:
Access Type:
• PIV: Periodic Interval Value
Defines the value compared with the primary 20-bit counter of the Periodic Interval Timer (CPIV). The period is equal to
(PIV + 1).
• PITEN: Period Interval Timer Enabled
0 = The Periodic Interval Timer is disabled when the PIV value is reached.
1 = The Periodic Interval Timer is enabled.
• PITIEN: Periodic Interval Timer Interrupt Enable
0 = The bit PITS in PIT_SR has no effect on interrupt.
1 = The bit PITS in PIT_SR asserts interrupt.
16.4.2
Register Name:
Access Type:
• 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.
6249D–ATARM–20-Dec-07
31
23
15
31
23
15
–
–
7
–
–
–
7
–
Periodic Interval Timer Mode Register
Periodic Interval Timer Status Register
30
22
14
30
22
14
PIT_MR
–
–
6
–
–
–
6
–
Read/Write
PIT_SR
Read-only
29
21
13
29
21
13
–
–
5
–
–
–
5
–
28
20
12
28
20
12
–
–
4
–
–
–
4
–
PIV
PIV
27
19
11
27
19
11
–
3
–
–
–
3
–
AT91SAM9263 Preliminary
26
18
10
26
18
10
–
2
–
–
–
2
–
PIV
PITIEN
25
17
25
17
9
1
–
–
9
–
1
–
PITEN
PITS
24
16
24
16
8
0
–
–
8
–
0
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