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ICS91720 Datasheet(PDF) 5 Page - Renesas Technology Corp

Part # ICS91720
Description  Low EMI, Spread Modulating, Clock Generator
PDF  12 Pages
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Manufacturer  RENESAS [Renesas Technology Corp]
Direct Link  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

ICS91720 Datasheet(HTML) 5 Page - Renesas Technology Corp

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5
ICS91720
0698D—10/05/04
Byte
0
Pin #
Name
Control Function
0
1
PWD
Bit 7
-
FS0
Spread/FS0
RW
1
Bit 6
-
FS1
Spread/FS1
RW
0
Bit 5
FS2
Spread/FS2
RW
0
Bit 4
FS3
Spread/FS3
RW
0
Bit 3
FS4
FS4
RW
0
Bit 2
PD# Tri_Sate
PD# Tri_Sate
RW
Hi-Z
LOW
1
Bit 1
Spread Enable
Spread Enable
RW
OFF
ON
1
Bit 0
HW/SW Control
Spread Spectrum Control
FS 3:4 Hard/Software
Select
RW
HW
SW
0
Byte
1
Pin #
Name
Control Function
0
1
PWD
Bit 7
REF_OUT
REF_OUT_Enable
RW
Disable
Enable
1
Bit 6
-
REF_OUT
Slew Rate REF-OUT
RW
Nominal
Fast
1
Bit 5
FS-IN_1
FS-IN_1 Readback
R
-
-
X
Bit 4
FS-IN_0
FS-IN_0 Readback
R
-
-
X
Bit 3
CLK_OUT
Slew Rate CLK-OUT
RW
Nominal
Fast
1
Bit 2
CLK_OUT
CLK_OUT_Enable
RW
Disable
Enable
1
Bit 1
(Reserved)
(Reserved)
R
-
-
1
Bit 0
(Reserved)
(Reserved)
R-
-
1
Byte
2
Pin #
Name
Control Function
0
1
PWD
Bit 7
x
-
(Reserved)
-
-
-
1
Bit 6
x
(Reserved)
(Reserved)
RW
-
-
1
Bit 5
x
(Reserved)
(Reserved)
RW
-
-
1
Bit 4
x
(Reserved)
(Reserved)
RW
-
-
1
Bit 3
x
(Reserved)
(Reserved)
RW
-
-
1
Bit 2
x
(Reserved)
(Reserved)
RW
-
-
1
Bit 1
x
(Reserved)
(Reserved)
RW
-
-
1
Bit 0
x
(Reserved)
(Reserved)
RW
-
-
1
Affected Pin
Affected Pin
Affected Pin
Spread percentage
See Table 1
These are I2C bits
only
Type
Bit Control
Type
Bit Control
Type
Bit Control



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