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ICS9FG108D Datasheet(PDF) 10 Page - Integrated Device Technology

Part No. ICS9FG108D
Description  Frequency Generator for CPU, QPI, FBD, PCIe Gen 2 & SATA
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Maker  IDT [Integrated Device Technology]
Homepage  http://www.idt.com
Logo IDT - Integrated Device Technology

ICS9FG108D Datasheet(HTML) 10 Page - Integrated Device Technology

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IDTTM
Frequency Generator for CPU, QPI, FBD, PCIe Gen 2 & SATA
1542E 12/16/10
ICS9FG108D
Frequency Generator for CPU, QPI, FBD, PCIe Gen 2 & SATA
10
SMBus Table: Frequency Select Readback Register
Pin #
Name
Control Function
Type
0
1
Default
Bit 7
SEL14M_25M#
1
(FS3)
State of pin 27
R
Pin 27
Bit 6
FS2
1
State of pin 6
R
Pin 6
Bit 5
FS1
1
State of pin 44
R
Pin 44
Bit 4
FS0
1
State of pin 45
R
Pin 45
Bit 3
SPREAD
1
State of pin 26
R
Off
On
Pin 26
Bit 2
RX
Bit 1
RX
Bit 0
RX
Notes:
1. These bits reflect the state of the corresponding pins, regardless of whether software
programming is enabled or not.
SMBus Table: Vendor & Revision ID Register
Pin #
Name
Control Function
Type
0
1
Default
Bit 7
RID3
R
-
-
X
Bit 6
RID2
R
-
-
X
Bit 5
RID1
R
-
-
X
Bit 4
RID0
R
-
-
X
Bit 3
VID3
R
-
-
0
Bit 2
VID2
R
-
-
0
Bit 1
VID1
R
-
-
0
Bit 0
VID0
R
-
-
1
SMBus Table: DEVICE ID
Pin #
Name
Control Function
Type
0
1
Default
Bit 7
DEVID7
R
0
Bit 6
DEVID6
R
0
Bit 5
DEVID5
R
0
Bit 4
DEVID4
R
0
Bit 3
DEVID3
R
1
Bit 2
DEVID2
R
0
Bit 1
DEVID1
R
0
Bit 0
DEVID0
R
0
Device ID = 08 hex
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Byte 3
6
27
45
44
See Frequency
Selection Table,
Page 1
26
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Byte 4
-
REVISION ID
-
-
-
-
-
VENDOR ID
-
-
-
-
-
-
-
Byte 5
-
-
-


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