MC68F375
SINGLE-CHIP INTEGRATION MODULE 2 (SCIM2E)
MOTOROLA
REFERENCE MANUAL
Rev. 25 June 03
4-10
VCO core frequency can exceed maximum frequency specification are not supported
and are left blank, as a reminder, in the table for frequencies above 25 MHz. Select
operating frequencies from the table which do not violate the maximum system clock
frequency specification.
.
Table 4-6 CLKOUT Frequency: Slow Reference; 32.768 KHz Reference
Y
(bits)
X=0,
W=01
NOTES:
1. VCO core frequency = 4 times the value in the table.
X=1,
W=02
2. VCO core frequency = 2 times the value in the table. VCO core must not exceed 2x fSYS.
Y
(bits)
X=0,
X=1,
X=0,
X=1,
0=000000
131,072
262,144
524,288
1,048,576
32=100000
4,325,376
8,650,752
1=000001
262,144
524,288
1,048,576
2,097,152
33=100001
4,456,448
8,912,896
2=000010
393,216
786,432
1,572,864
3,145,728
34=100010
4,587,520
9,175,040
3=000011
524,288
1,048,576
2,097,152
4,194,304
35=100011
4,718,592
9,437,184
4=000100
655,360
1,310,720
2,621,440
5,242,880
36=100100
4,849,664
9,699,328
5=000101
786,432
1,572,864
3,145,728
6,291,456
37=100101
4,980,736
9,961,472
6=000110
917,504
1,835,008
3,670,016
7,340,032
38=100110
5,111,808
10,223,616
7=000111
1,048,576
2,097,152
4,194,304
8,388,608
39=100111
5,242,880
10,485,760
8=001000
1,179,648
2,359,296
4,718,592
9,437,184
40=101000
5,373,952
10,747,904
9=001001
1,310,720
2,621,440
5,242,880
10,485,760
41=101001
5,505,024
11,010,048
10=001010
1,441,792
2,883,584
5,767,168
11,534,336
42=101010
5,636,096
11,272,192
11=001011
1,572,864
3,145,728
6,291,456
12,582,912
43=101011
5,767,168
11,534,336
12=001100
1,703,936
3,407,872
6,815,744
13,631,488
44=101100
5,898,240
11,796,480
13=001101
1,835,008
3,670,016
7,340,032
14,680,064
45=101101
6,029,312
12,058,624
14=001110
1,966,080
3,932,160
7,864,320
15,728,640
46=101110
6,160,384
12,320,768
15=001111
2,097,152
4,194,304
8,388,608
16,777,216
47=101111
6,291,456
12,582,912
16=010000
2,228,224
4,456,448
8,912,8963
3. These values are valid for 20- and 25-MHz devices only.
48=110000
6,422,528
12,845,056
17=010001
2,359,296
4,718,592
49=110001
6,553,600
13,107,200
18=010010
2,490,368
4,980,736
50=110010
6,684,672
13,369,344
19=010011
2,621,440
5,242,880
51=110011
6,815,744
13,631,488
20=010100
2,752,512
5,505,024
11,010,0484
4. These values are valid for 25-MHz devices only.
52=110100
6,946,816
13,893,632
21=010101
2,883,584
5,767,168
53=110101
7,077,888
14,155,776
22=010110
3,014,656
6,029,312
54=110110
7,208,960
14,417,920
23=010111
3,145,728
6,291,456
55=110111
7,340,032
14,680,064
24=011000
3,276,800
6,553,600
56=111000
7,471,104
14,942,208
25=011001
3,407,872
6,815,744
57=111001
7,602,176
15,204,352
26=011010
3,538,944
7,077,888
58=111010
7,733,248
15,466,496
27=011011
3,670,016
7,340,032
59=111011
7,864,320
15,728,640
28=011100
3,801,088
7,602,176
60=111100
7,995,392
15,990,784
29=011101
3,932,160
7,864,320
61=111101
8,126,464
16,252,928
30=011110
4,063,232
8,126,464
62=111110
8,257,536
16,515,072
31=011111
4,194,304
8,388,608
63=111111
8,388,608
16,777,216
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Freescale Semiconductor, Inc.
For More Information On This Product,
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