9DB1200C IDT [Integrated Device Technology], 9DB1200C Datasheet - Page 12

• Manufacturer Part Number: 9DB1200C
• Description: Twelve Output Differential Buffer for PCIe Gen1/Gen2, QPI, and FBDIMM
• Manufacturer: IDT [Integrated Device Technology]

IDT
SMBus Table: Output Enable Readback
Note: For an output to be enabled, BOTH the Output Enable Bit and the OE# pin must be enabled.
This means that the Output Enable Bit must be '1' and the corresponding OE# pin must be '0'.
SMBus Table: Vendor & Revision ID Register
SMBus Table: DEVICE ID
SMBus Table: Byte Count Register
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
9DB1200C
Twelve Output Differential Buffer for PCIe Gen1/Gen2, QPI, and FBDIMM
®
Byte 4
Byte 5
Byte 6
Byte 7
Twelve Output Differential Buffer for PCIe Gen1/Gen2, QPI, and FBDIMM
58,59
53,54
50,51
45,46
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Pin #
Pin #
Pin #
Pin #
Reserved
Reserved
Reserved
Reserved
OE11#
OE10#
Name
Name
Name
Name
OE9#
OE8#
RID3
RID2
RID1
RID0
VID3
VID2
VID1
VID0
BC7
BC6
BC5
BC4
BC3
BC2
BC1
BC0
Device ID 7 (MSB)
Writing to this register configures how
Device ID 6
Device ID 5
Device ID 4
Device ID 3
Device ID 2
Device ID 1
Device ID 0
Output Control (Disable = Hi-Z)
Output Control (Disable = Hi-Z)
Output Control (Disable = Hi-Z)
Output Control (Disable = Hi-Z)
many bytes will be read back.
Control Function
Control Function
Control Function
Control Function
REVISION ID
VENDOR ID
Reserved
Reserved
Reserved
Reserved
12
Type
Type
Type
Type
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
Enabled
Enabled
Enabled
Enabled
Device ID is C0 Hex
0
0
0
0
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Reserved
Reserved
Reserved
Reserved
Disabled
Disabled
Disabled
Disabled
1
1
1
1
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
1414F—06/30/10
PWD
PWD
PWD
PWD
X
X
X
X
X
X
X
X
0
0
0
0
0
0
0
1
1
1
0
0
0
0
0
0
0
0
0
0
0
1
1
1