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参数资料
| 型号： | ICS952607YFLF-T |
| 元件分类： | 时钟产生/分配 |
| 英文描述： | 400 MHz, PROC SPECIFIC CLOCK GENERATOR, PDSO48 |
| 封装： | LEAD FREE, MO-118, SSOP-48 |
| 文件页数： | 22/22页 |
| 文件大小： | 204K |
| 代理商： | ICS952607YFLF-T |
9
Integrated
Circuit
Systems, Inc.
ICS952607
0734A—07/26/05
I
2C Table: Frequency Select Register
Control
Function
Bit 7
FS Source
Frequency H/W IIC
Select
RW
0
Bit 6
FS6
Freq Select Bit 6
RW
0
Bit 5
FS5
Freq Select Bit 5
RW
0
Bit 4
FS4
Freq Select Bit 4
RW
0
Bit 3
FS3
Freq Select Bit 3
RW
0
Bit 2
FS2
Freq Select Bit 2
RW
0
Bit 1
FSA
Freq Select Bit 1
RW
0
Bit 0
FSB
Freq Select Bit 0
RW
0
I
2C Table: Spreading and Device Behavior Control Register
Control
Function
Bit 7
SS1
Spread Select 1
RW
0
Bit 6
SS0
Spread Select 0
RW
0
Bit 5
SS_EN
Spread Enable Control
RW
1
Bit 4
WDS_EN
WD Soft Reset Enable
RW
0
Bit 3
SRC/SRC#
Output Control
RW
1
Bit 2
Reserved
RW
1
Bit 1
CPUCLKT/C_1
Output Control
RW
1
Bit 0
CPUCLKT/C_0
Output Control
RW
1
I
2C Table: Output Control Register
Control
Function
Bit 7
SRC Stop Mode
0: SRCT Driven during
PD#; 1: Tri-stated
RW
0
Bit 6
Reserved
RW
0
Bit 5
CPUT Stop Mode
0: CPUT Driven during
PD#; 1: Tri-stated
RW
0
Bit 4
Reserved
RW
0
Bit 3
3V66_2
Output Control
RW
1
Bit 2
Reserved
RW
1
Bit 1
Reserved
RW
1
Bit 0
Reserved
RW
1
I
2C Table: Output Control Register
Control
Function
Bit 7
ASEL1
3V66/PCI Freq Select
RW
0
Bit 6
Reserved
RW
0
Bit 5
PCICLK5
Output Control
RW
1
Bit 4
PCICLK4
Output Control
RW
1
Bit 3
PCICLK3
Output Control
RW
1
Bit 2
PCICLK2
Output Control
RW
1
Bit 1
PCICLK1
Output Control
RW
1
Bit 0
PCICLK0
Output Control
RW
1
Disable
Enable
See Table 5: Async AGP/PCI Freq Table
--
Disable
Enable
Disable
Enable
Disable
Enable
Disable
Enable
--
Disable
Enable
--
Disable
Enable
--
Driven
Hi-Z
Driven
Hi-Z
--
Disable
Enable
ON
OFF
Disable
Enable
01 = 0.50%
11 = No Spread
PWD
-
Byte 3
Pin #
Name
Type
0
1
-
27
-
Type
PWD
40,39
Byte 2
Pin #
Name
0
1
-
37,36
-
43,42
ON
OFF
-
PWD
-
Byte 1
Pin #
Name
Type
00 = 0.35%
10 = 0.75%
-
See Table 1: QuadRom Frequency Selection
Table
01
PWD
-
Byte 0
Pin #
Name
Type
Latch Inputs
IIC
01
-
20
19
16
15
14
13
-
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