ICS9DB403D Datasheet, PDF (13/19 Pages) Integrated Device Technology – Four Output Differential Buffer for PCIe Gen 1 and Gen 2

ICS9DB403D
Four Output Differential Buffer for PCIe for Gen 1 and Gen 2
SMBus Table: Vendor & Revision ID Register
Byte 4 Pin #
Name
Control Function
Bit 7
-
RID3
Bit 6
-
Bit 5
-
RID2
RID1
REVISION ID
Bit 4
-
RID0
Bit 3
-
VID3
Bit 2
-
Bit 1
-
VID2
VID1
VENDOR ID
Bit 0
-
VID0
Type
0
R
-
R
-
R
-
R
-
R
-
R
-
R
-
R
-
1
Default
-
0
-
0
-
1
-
1
-
0
-
0
-
0
-
1
SMBus Table: DEVICE ID
Byte 5 Pin #
Name
Bit 7
-
Bit 6
-
Bit 5
-
Bit 4
-
Bit 3
-
Bit 2
-
Bit 1
-
Bit 0
-
Control Function
Device ID 7 (MSB)
Device ID 6
Device ID 5
Device ID 4
Device ID 3
Device ID 2
Device ID 1
Device ID 0
Type
RW
RW
RW
RW
RW
RW
RW
RW
0
1
Device ID is 83 Hex
for 9DB803 and 43
Hex for 9DB403
Default
0
X
X
0
0
0
1
1
SMBus Table: Byte Count Register
Byte 6 Pin #
Name
Control
Function
Type
0
Bit 7
-
BC7
RW
-
Bit 6
-
BC6
RW
-
Bit 5
-
BC5
RW
-
Bit 4
-
BC4
Writing to this register configures how RW
-
Bit 3
-
BC3
many bytes will be read back.
RW
-
Bit 2
-
BC2
RW
-
Bit 1
-
BC1
RW
-
Bit 0
-
BC0
RW
-
1
Default
-
0
-
0
-
0
-
0
-
0
-
1
-
1
-
1
IDT^TM/ICS^TM Four Output Differential Buffer for PCIe Gen 1 and Gen 2
13
ICS9DB403D REV L 10/07/09