ICS91719 Datasheet, PDF (3/10 Pages) Integrated Circuit Systems – Low EMI, Spread Modulating, Clock Generator

Table 1: Frequency Configuration Table
(See I2C Byte 0)
FS4 FS3 FS2 FS1 FS0 Sprd Type Sprd %
000 00
0.60
0 0 0 0 1 DOWN
0.80
000 10
1.00
14in/27out ⁰
0
0
0
0
1
1
0
1 SPREAD
0
(-)
1.25
1.50
001 01
2.00
0 0 1 1 0 Center
0 0 1 1 1 ^{Spread (+/-)}
0.50
1.00
010 00
0.60
010 01
0.80
0 1 0 1 0 _DOWN
1.00
010 11
1.25
0 1 1 0 0 _SPREAD
1.50
011 01
(-)
1.75
14in/14ou 0 1 1 1 0
2.00
t
011 11
2.50
27in/27ou 1 0 0 0 0
3.00
t
100 01
0.30
100 10
0.40
1 0 0 1 1 CENTER
0.50
1 0 1 0 0 SPREAD
0.70
1 0 1 0 1 (+/-)
1.00
101 10
1.20
101 11
1.50
110 00
0.60
1 1 0 0 1 DOWN
0.80
48in/48ou 1 1 0 1 0
1.00
t
1 1 0 1 1 SPREAD
1.25
66in/66ou 1 1 1 0 0
(-)
1.50
t
111 01
2.00
1 1 1 1 0 Center
1 1 1 1 1 ^{Spread (+/-)}
0.50
1.00
ICS91719
0506D—08/16/04
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