參數(shù)資料
型號(hào): 9FG104DGILF
廠商: INTEGRATED DEVICE TECHNOLOGY INC
元件分類: 時(shí)鐘產(chǎn)生/分配
英文描述: 400 MHz, PROC SPECIFIC CLOCK GENERATOR, PDSO28
封裝: 4.40 MM, 0.65 MM PITCH, ROHS COMPLIANT, MO-153, TSSOP-28
文件頁數(shù): 16/17頁
文件大小: 161K
代理商: 9FG104DGILF
IDT
Frequency Generator for CPU, QPI, FBD, PCIe Gen 2 & SATA
1541C—12/16/10
ICS9FG104D
Frequency Generator for CPU, QPI, FBD, PCIe Gen 2 & SATA
8
SMBus Table: Device Control Register, READ/WRITE ADDRESS (DC/DD)
Pin #
Name
Control Function
Type
0
1
Default
Bit 7
RW
Pin 17
Bit 6
RW
Pin 6
Bit 5
RW
Pin 24
Bit 4
RW
Pin 25
Bit 3
RW
Off
On
Pin 16
Bit 2
RW
Hardware Select Software Select
0
Bit 1
RW
Driven
Hi-Z
0
Bit 0
RW
Down
Center
0
Notes:
1. These bits reflect the state of the corresponding pins at power up, but may be written to
if Byte 0, bit 2 is set to '1'. FS3 is the SEL14M_25M# pin.
SMBus Table: Output Enable Register
Pin #
Name
Control Function
Type
0
1
Default
Bit 7
1
Bit 6
DIF_3 EN
Output Enable
RW
Disable
Enable
1
Bit 5
DIF_2 EN
Output Enable
RW
Disable
Enable
1
Bit 4
1
Bit 3
1
Bit 2
DIF_1 EN
Output Enable
RW
Disable
Enable
1
Bit 1
DIF_0 EN
Output Enable
RW
Disable
Enable
1
Bit 0
1
SMBus Table: Output Stop Control Register
Pin #
Name
Control Function
Type
0
1
Default
Bit 7
0
Bit 6
DIF_3 STOP EN
Free Run/ Stop Enable
RW
Free-run
Stop-able
0
Bit 5
DIF_2 STOP EN
Free Run/ Stop Enable
RW
Free-run
Stop-able
0
Bit 4
0
Bit 3
0
Bit 2
DIF_1 STOP EN
Free Run/ Stop Enable
RW
Free-run
Stop-able
0
Bit 1
DIF_0 STOP EN
Free Run/ Stop Enable
RW
Free-run
Stop-able
0
Bit 0
0
Reserved
See Frequency Selection Table,
Page 1
FS31
FS21
FS11
FS01
-
Byte 2
-
Byte 1
-
DIF_STOP# drive mode
SPREAD TYPE
16
Spread Enable1
-
Enable Software Control of Frequency, Spread Enable
(Spread Type always Software Control)
24
25
Byte 0
17
6
Reserved
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