ics9ex21501 Integrated Device Technology, ics9ex21501 Datasheet - Page 13

• Manufacturer Part Number: ics9ex21501
• Description: 15 Output Pcie G2/qpi Differential Buffer With 2 1 Input Mux
• Manufacturer: Integrated Device Technology

IDT
SMBusTable: Output Enable Readback Register
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'.
SMBusTable: Vendor & Revision ID Register
SMBusTable: DEVICE ID
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
9EX21501
15 Output PCIe G2/QPI Differential Buffer with 2:1 Input Mux
®
Byte 4
Byte 5
Byte 6
Byte 7
15 Output PCIe G2/QPI Differential Buffer with 2:1 Input Mux
18
14
7
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Pin #
Pin #
Pin #
Pin #
100M_133M# Input
SEL_A_B# Input
OE13_14# Input
OE12# Input
OE11# Input
Name
Name
Name
Name
RID3
RID2
RID1
RID0
VID3
VID2
VID1
VID0
BC7
BC6
BC5
BC4
BC3
BC2
BC1
BC0
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
Pin Readback
Pin Readback
Pin Readback
Pin Readback
Pin Readback
REVISION ID
VENDOR ID
RESERVED
RESERVED
RESERVED
13
Type
Type
Type
Type
RW
RW
RW
RW
RW
RW
RW
RW
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
Pin Low
Pin Low
Pin Low
Input B
Device ID is 18 hex
133M
0
0
0
0
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Input A
Pin Hi
Pin Hi
Pin Hi
100M
1
1
1
1
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Datasheet
Default
Default
Default
Default
X
X
X
X
X
0
0
1
0
0
0
1
0
0
0
1
0
0
0
1
1
0
0
0
0
0
0
0
0
1
1
1
1578—01/18/11