9DB1904BKLF IDT [Integrated Device Technology], 9DB1904BKLF Datasheet - Page 15

• Manufacturer Part Number: 9DB1904BKLF
• Description: 19 Output Differential Buffer for PCIe Gen2 and QPI
• Manufacturer: IDT [Integrated Device Technology]

IDT
SMBusTable: Output Enable Readback Register
SMBusTable: Vendor & Revision ID Register
SMBusTable: DEVICE ID (194 Decimal or C2 Hex)
SMBusTable: 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
9DB1904B
19 Output Differential Buffer for PCIe Gen2 and QPI
®
Byte 4
Byte 5
Byte 6
Byte 7
19 Output Differential Buffer for PCIe Gen2 and QPI
69
60
54
51
48
43
40
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Pin #
Pin #
Pin #
Pin #
Name
Name
Name
Name
RID3
RID2
RID1
RID0
VID3
VID2
VID1
VID0
BC7
BC6
BC5
BC4
BC3
BC2
BC1
BC0
Readback - OE17_18# Input
Readback - OE15_16# Input
Readback - OE14# Input
Readback - OE13# Input
Readback - OE12# Input
Readback - OE11# Input
Readback - OE10# Input
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
bytes will be read back.
Writing to this register
configures how many
Control Function
Control Function
Control Function
Control Function
REVISION ID
Reserved
VENDOR ID
15
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
0
0
0
0
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Readback
Readback
Readback
Readback
Readback
Readback
Readback
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
1
1
1
1
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
PWD
PWD
PWD
PWD
X
X
X
X
X
X
X
0
0
0
0
1
0
0
0
1
1
1
0
0
0
0
1
0
0
0
0
0
0
1
1
1
1607C—04/19/11