ICS91719 Datasheet, PDF (5/10 Pages) Integrated Circuit Systems – Low EMI, Spread Modulating, Clock Generator

ICS91719
Byte 0:
BYTE
Affected Pin
0 ^{Pin #}
Name
Bit 7 -
FS0
Bit 6 -
FS1
Bit 5
FS2
Bit 4
FS3
Bit 3
Bit 2
Bit 1
FS4
PD# Tri_Sate
Spread Enable
Bit 0
HW/SW Control
Control Function
Bit Control
0
1 ^PWD
Spread/FS0
RW
1
Spread/FS1
RW
0
Spread/FS2
RW
0
Spread/FS3
R
0
R/R
FS4
W
0
PD# Tri_Sate
RW Hi-Z LOW 1
Spread Enable
RW OFF ON 1
Spread Spectrum Control
FS 3:4 Hard/Software
Select
RW HW SW 0
Byte 1:
BYTE
Affected Pin
1 ^{Pin #}
Name
Bit 7
Bit 6 -
Reserved
SLEW
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
FS-IN_1 Readback
FS-IN_0 Readback
SLEW
CLK_OUT_Enable
REF_OUT_Enable
Reserved
Control Function
Reserved
Slew Rate REF-OUT
FS-IN_1 Readback
FS-IN_0 Readback
Slew Rate CLK-OUT
CLK_OUT_Enable
REF_OUT_Enable
Reserved
Bit Control
0
1 ^PWD
R
-
-
1
RW Nominal Fast 1
Not
RW Freerun Freerun 1
RW Nominal Fast 1
RW Nominal Fast 1
RW Disable Enable 1
RW Disable Enable 1
R
-
-
1
Byte 2:
BYTE
Affected Pin
2 ^{Pin #}
Name
Bit 7 x
Bit 6 x
Bit 5 x
Bit 4 x
Bit 3 x
Bit 2 x
Bit 1 x
Bit 0 x
-
RESERVED
RESERVED
RESERVED
RESERVED
RESERVED
RESERVED
RESERVED
Control Function
RESERVED
RESERVED
RESERVED
RESERVED
RESERVED
RESERVED
RESERVED
RESERVED
Bit Control
0
1 ^PWD
-
-
-
1
RW Disable Enable 1
RW Disable Enable 1
RW Disable Enable 1
RW Disable Enable 1
RW Disable Enable 1
RW Disable Enable 1
RW Disable Enable 1
0506D—08/16/04
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