ICS9DB108 Datasheet, PDF (8/15 Pages) Integrated Circuit Systems – Eight Output Differential Buffer for PCI-Express

Integrated
Circuit
Systems, Inc.
ICS9DB108
SMBus Table: Frequency Select Register, READ/WRITE ADDRESS (DC/DD)
Byte 0
Pin # Name Control Function Type 0
1 PWD
Bit 7
-
Bit 6
-
Bit 5
-
Bit 4
-
Bit 3
-
Bit 2
-
Bit 1
-
Bit 0
-
PD# drive mode
SRC_Stop# drive mode
Reserved
Reserved
Reserved
PLL_BW# adjust
BYPASS#/PLL
SRC_DIV#
RW driven Hi-Z
0
RW driven Hi-Z
0
RW
Reserved
X
RW
Reserved
X
RW
Reserved
X
RW High BW Low BW 1
RW fan-out ZDB
1
RW x/2
1x
1
SMBus Table: Output Control Register
Byte 1
Pin # Name Control Function Type 0
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
42,41
38,37
34,33
30,29
20,21
16,17
12,13
8,9
DIF_7
DIF_6
DIF_5
DIF_4
DIF_3
DIF_2
DIF_1
DIF_0
Output Control
Output Control
Output Control
Output Control
Output Control
Output Control
Output Control
Output Control
RW Disable
RW Disable
RW Disable
RW Disable
RW Disable
RW Disable
RW Disable
RW Disable
1 PWD
Enable 1
Enable 1
Enable 1
Enable 1
Enable 1
Enable 1
Enable 1
Enable 1
0723D—01/08/04
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