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BQ48o2 - PARAJLLEL REAL-TIME CLOCK

Table 5. Periodic Interrupt Rates

REGISTER BITS				PERIODIC INTERRUPT PERIOD
RS3	RS2	RS1	RSO
0	0	0	0	NONĘ
0	0	0	1	30.5175.us
0	0	1	0	61.035 us
0	0	1	1	122.070 us
0	1	0	0	244.141 us
0	1	0	1	488.281 us
0	1	1	0	976.5625 us
0	1	1	1	1.95315 ms
1	0	0	0	3.90625 ms
1	0	0	1	7.8125 ms
1	0	1	0	15.625 ms
1	0	1	1	31.25 ms
1	1	0	0	62.5 ms
1	1	0	1	125 ms
1	1	1	0	250 ms
1	1	1	1	500 ms

INTERRUPTS

The bq48o2Y/bq48o2LY allows tłiree nidiMclually selected intemipt events to generate an intemiptrequest on the INT pin Tliese tłiree intemipt events are: The peiiodic intemipt, programmable to occnr once eveiy 30.5 ps to 500 ms.

The alarm intemipt, programmable to occnr once per second to once per month.

The power-fail intemipt, wliich can be enabled to be asserted when the bq48o2Y/bq48o2LY detects a power failnre.