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CY26049-36
Document #: 38-07415 Rev. *C
Page 3 of 7
Frequency Select Tables
Table 1. CY26049-36 Frequency Select–Output Decoding Table–External Mode (MHz except as noted)
ICLK
FS3
FS2
FS1
FS0
CLK/2
CLK
8K
Crystal
8 kHz
0
0
0
0
1.544
3.088
8 kHz
18.432
8 kHz
0
0
0
1
2.048
4.096
8 kHz
18.432
8 kHz
0
0
1
0
22.368
44.736
8 kHz
18.432
8 kHz
0
0
1
1
17.184
34.368
8 kHz
18.432
8 kHz
0
1
0
0
77.76
155.52
8 kHz
18.432
8 kHz
0
1
0
1
16.384
32.768
8 kHz
18.432
8 kHz
0
1
1
0
14.352
28.704
8 kHz
18.432
8 kHz
0
1
1
1
High Z[1]
High Z[1]
High Z[1]
18.432
8 kHz
1
0
0
0
18.528
37.056
8 kHz
18.432
8 kHz
1
0
0
1
12.352
24.704
8 kHz
18.432
8 kHz
1
0
1
0
7.68
15.36
8 kHz
18.432
8 kHz
1
0
1
1
High Z[1]
High Z[1]
High Z[1]
18.432
8 kHz
1
1
0
0
12.288
24.576
8 kHz
18.432
8 kHz
1
1
0
1
16.384
32.768
8 kHz
18.432
Table 2. CY26049-36 Frequency Select–Output Decoding Table–Buffer Mode
ICLK
FS3
FS2
FS1
FS0
CLK/2
CLK
8K
Crystal
20 to 60
1
1
1
0
ICLK/2
ICLK
High Z[1]
ICLK/2
10 to 30
1
1
1
1
2*ICLK
4*ICLK
High Z[1]
ICLK
Note:
1.
High Z = high impedance.
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