ICS9DB106 Datasheet, PDF (6/9 Pages) Integrated Circuit Systems – 6 Output PCI Express Buffer with CLKREQ Function

Integrated
Circuit
Systems, Inc.
ICS9DB106
Preliminary Product Preview
SMBusTable: Device Control Register, READ/WRITE ADDRESS (DC/DD)
Byte 0
Pin #
Name
Control Function Type
0
1
PWD
Bit 7
-
SW_EN
Enables SMBus
PLL controlled _{PLL controlled}
Control
RW by SMBus _{by device pins} 1
registers
Bit 6
-
RESERVED
RW
-
X
Bit 5
-
RESERVED
RW
-
X
Bit 4
-
RESERVED
RW
-
X
Bit 3
-
RESERVED
RW
-
X
Bit 2
-
RESERVED
RW
-
X
Bit 1
-
PLL BW #adjust
Selects PLL
RW
Low BW
High BW
1
Bandwidth
Bit 0
-
Bypasses PLL for
PLL bypassed PLL enabled
PLL Enable
board test
RW _{(fan out mode) (ZDB mode)} 1
SMBusTable: Output Enable Register
Byte 1
Pin #
Name
Control Function Type
Bit 7
-
RESERVED
RW
Bit 6
-
RESERVED
RW
Bit 5
24,23
PCIEX5
Output Control RW
Bit 4
-
RESERVED
RW
Bit 3
18,17
PCIEX3
Output Control RW
Bit 2
11,12
PCIEX2
Output Control RW
Bit 1
-
RESERVED
RW
Bit 0
5,6
PCIEX0
Output Control RW
0
1
-
-
Disable
Enable
-
Disable
Enable
Disable
Enable
-
Disable
Enable
PWD
X
X
1
X
1
1
X
1
SMBusTable: Function Select Register
Byte 2
Pin #
Name
Control Function Type
Bit 7
RESERVED
RW
Bit 6
RESERVED
RW
Bit 5
-
RESERVED
RW
Bit 4
-
RESERVED
RW
Bit 3
-
RESERVED
RW
Bit 2
-
RESERVED
RW
Bit 1
-
RESERVED
RW
Bit 0
-
RESERVED
RW
0
1
-
-
-
-
-
-
-
-
PWD
X
X
X
X
X
X
X
X
0833A—07/26/04
6