Rainbow Electronics W90P710CDG - Manual (Page 438)

W90P710CD/W90P710CDG
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BITS DESCRIPTIONS
[31:3] Reserved -
[2:0] TTI
RTC Tick Time Interrupt request Interval
The TTR [2:0] is used to select tick time interrupt request
interval. The period of tick time interrupt is as follow:
TTR[2:0] Tick Time interrupt
interval
0 1 sec
1 1/2 sec
2 1/4 sec
3 1/8 sec
4 1/16 sec
5 1/32 sec
6 1/64 sec
7 1/128 sec