Datasheet

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
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15 14 13 12 11 10 9 8
––––––––
76543210
–––––––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
76543210
CPIV