SYSTEM INTEGRATION MODULE MC68332
4-14 USER’S MANUAL
Table 4-8 System Frequencies from 32.768–kHz Reference
To obtain clock frequency in kilohertz, find counter modulus in the left column, then multiply reference frequency by value
in appropriate prescaler cell.
Modulus Prescaler
Y [W:X] = 00 [W:X] = 01 [W:X] = 10 [W:X] = 11
000000 131 262 524 1049
000001 262 524 1049 2097
000010 393 786 1573 3146
000011 524 1049 2097 4194
000100 655 1311 2621 5243
000101 786 1573 3146 6291
000110 918 1835 3670 7340
000111 1049 2097 4194 8389
001000 1180 2359 4719 9437
001001 1311 2621 5243 10486
001010 1442 2884 5767 11534
001011 1573 3146 6291 12583
001100 1704 3408 6816 13631
001101 1835 3670 7340 14680
001110 1966 3932 7864 15729
001111 2097 4194 8389 16777
010000 2228 4456 8913 17826
010001 2359 4719 9437 18874
010010 2490 4981 9961 19923
010011 2621 5243 10486 20972
010100 2753 5505 11010
22020
010101 2884 5767 11534
23069
010110 3015 6029 12059
24117
010111 3146 6291 12583
25166
011000 3277 6554 13107
26214
011001 3408 6816 13631
27263
011010 3539 7078 14156
28312
011011 3670 7340 14680
29360
011100 3801 7602 15204
30409
011101 3932 7864 15729
31457
011110 4063 8126 16253
32506
011111 4194 8389 16777
33554
100000 4325 8651 17302
34603
100001 4456 8913 17826
35652
100010 4588 9175 18350
36700
100011 4719 9437 18874
37749
100100 4850 9699 19399
38797
100101 4981 9961 19923
39846
100110 5112 10224 20447
40894
100111 5243 10486 20972
41943
101000 5374 10748
21496 42992
101001 5505 11010
22020 44040
101010 5636 11272
22544 45089
101011 5767 11534
23069 46137
101100 5898 11796
23593 47186
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