M68HC16 Z SERIES
SYSTEM INTEGRATION MODULE
USER’S MANUAL
5-13
Table 5-4 25.17-MHz Clock Control Multipliers
(Shaded cells represent values that exceed 25.17 MHz specifications.)
Modulus
Prescalers
[W:X] = 00
(f
VCO
= 2
×
Value)
[W:X] = 01
(f
VCO
= Value)
[W:X] = 10
(f
VCO
= 2
×
Value)
[W:X] = 11
(f
VCO
= Value)
Y
Slow
Fast
Slow
Fast
Slow
Fast
Slow
Fast
000000
4
.03125
8
.625
16
.125
32
.25
000001
8
.0625
16
.125
32
.25
64
.5
000010
12
.09375
24
.1875
48
.375
96
.75
000011
16
.125
32
.25
64
.5
128
1
000100
20
.15625
40
.3125
80
.625
160
1.25
000101
24
.1875
48
.375
96
.75
192
1.5
000110
28
.21875
56
.4375
112
.875
224
1.75
000111
32
.25
64
.5
128
1
256
2
001000
36
.21825
72
.5625
144
1.125
288
2.25
001001
40
.3125
80
.625
160
1.25
320
2.5
001010
44
.34375
88
.6875
176
1.375
352
2.75
001011
48
.375
96
.75
192
1.5
384
3
001100
52
.40625
104
.8125
208
1.625
416
3.25
001101
56
.4375
112
.875
224
1.75
448
3.5
001110
60
.46875
120
.9375
240
1.875
480
3.75
001111
64
.5
128
1
256
2
512
4
010000
68
.53125
136
1.0625
272
2.125
544
4.25
010001
72
.5625
144
1.125
288
2.25
576
4.5
010010
76
.59375
152
1.1875
304
2.375
608
4.75
010011
80
.625
160
1.25
320
2.5
640
5
010100
84
.65625
168
1.3125
336
2.625
672
5.25
010101
88
.6875
176
1.375
352
2.75
704
5.5
010110
92
.71875
184
1.4375
368
2.875
736
5.75
010111
96
.75
192
1.5
384
3
768
6
011000
100
.78125
200
1.5625
400
3.125
800
6.25
011001
104
.8125
208
1.625
416
3.25
832
6.5
011010
108
.84375
216
1.6875
432
3.375
864
6.75
011011
112
.875
224
1.75
448
3.5
896
7
011100
116
.90625
232
1.8125
464
3.625
928
7.25
011101
120
.9375
240
1.875
480
3.75
960
7.5
011110
124
.96875
248
1.9375
496
3.875
992
7.75
011111
128
1
256
2
512
4
1024
8
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Freescale Semiconductor, Inc.
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