Table 68 - Divider Selection Bits
REGISTER A BITS
OSCILLATOR
FREQUENCY
DV2
DV1
DV0
MODE
32.768 KHz
32.768 KHz
32.768 KHz
32.768 KHz
32.768 KHz
0
0
0
0
1
1
0
0
1
1
0
1
0
1
0
1
X
X
Oscillator Disabled
Oscillator Disabled
Normal Operate
Test
Test
Reset Driver
Table 69 - Periodic Interrupt Rates
32.768 kHz TIME BASE
RATE SELECT
PERIOD RATE OF
INTERRUPT
FREQUENCY OF
INTERRUPT
RS3
0
RS2
0
RS1
0
RS0
0
0.0
0
0
0
1
3.90625 ms
7.8125 ms
122.070 ms
244.141 ms
488.281 ms
976.562 ms
1.953125 ms
3.90625 ms
7.8125 ms
15.625 ms
31.25 ms
62.5 ms
256 Hz
128 Hz
8.192 kHz
4.096 kHz
2.048 kHz
1.024 kHz
512 Hz
256 Hz
128 Hz
64 Hz
0
0
1
0
0
0
1
1
0
1
0
0
0
1
0
1
0
1
1
0
0
1
1
1
1
0
0
0
1
0
0
1
1
0
1
0
1
0
1
1
32 Hz
1
1
0
0
16 Hz
1
1
0
1
125 ms
8 Hz
1
1
1
0
250 ms
4 Hz
1
1
1
1
500 ms
2 Hz
153
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