ICS91730 Datasheet, PDF (5/11 Pages) Integrated Circuit Systems – Low EMI, Spread Modulating, Clock Generator

ICS91730
Byte
0
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Pin #
-
-
Bit 0
Byte
1
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Pin #
-
Byte
2
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Pin #
x
x
x
x
x
x
x
x
Affected Pin
Name
Control Function
FS0
Spread/FS0
FS1
Spread/FS1
FS2
Spread/FS2
FS3
Spread/FS3
FS4
FS4
PD# Tri_Sate
PD# Tri_Sate
Spread Enable
Spread Enable
Spread Spectrum Control
FS 3:4 Hard/Software
HW/SW Control
Select
Type
RW
RW
RW
RW
RW
RW
RW
RW
Bit Control
0
1
Srpead Pecentage
See Table1
These are I2C bits
only
Hi-Z
OFF
LOW
ON
HW
SW
PWD
1
0
0
0
0
1
1
0
Affected Pin
Name
Control Function
REF_OUT
REF_OUT_Enable
REF_OUT
Slew Rate REF-OUT
FS-IN_1
FS-IN_1 Readback
(Reserved)
(Reserved)
CLK_OUT
Slew Rate CLK-OUT
CLK_OUT
CLK_OUT_Enable
(Reserved)
(Reserved)
(Reserved)
(Reserved)
Type
RW
RW
R
R
RW
RW
R
R
Bit Control
0
1
Disable Enable
Nominal Fast
-
-
-
-
Nominal Fast
Disable Enable
-
-
-
-
PWD
1
1
X
0
1
1
1
1
Affected Pin
Name
Control Function
-
(Reserved)
(Reserved)
(Reserved)
(Reserved)
(Reserved)
(Reserved)
(Reserved)
(Reserved)
(Reserved)
(Reserved)
(Reserved)
(Reserved)
(Reserved)
(Reserved)
(Reserved)
Type
-
RW
RW
RW
RW
RW
RW
RW
Bit Control
0
1
-
-
Disable Enable
Disable Enable
Disable Enable
Disable Enable
Disable Enable
Disable Enable
Disable Enable
PWD
1
1
1
1
1
1
1
1
0794D—05/23/05
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