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ICS954101 数据表(PDF) 13 Page - Integrated Circuit Systems

部件名 ICS954101
功能描述  Programmable Timing Control Hub for Desktop P4 Systems
PDF  16 Pages
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制造商  ICST [Integrated Circuit Systems]
网页  http://www.icst.com
标志 ICST - Integrated Circuit Systems

ICS954101 数据表(HTML) 13 Page - Integrated Circuit Systems

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13
Integrated
Circuit
Systems, Inc.
ICS954101
0815D—06/21/04
I
2C Table: Output Control Register
Pin #
Name
Control Function
Type0
1
PWD
Bit 7
1
Bit 6
DOT_96MHz
Driven in PD
RW
Driven
Hi-Z
1
Bit 5
PCI_F2
RW
Free-Running
Stoppable
1
Bit 4
PCI_F1
RW
Free-Running
Stoppable
1
Bit 3
PCI_F0
RW
Free-Running
Stoppable
1
Bit 2
1
Bit 1
1
Bit 0
1
I
2C Table: Output Control Register
Pin #
Name
Control Function
Type0
1
PWD
Bit 7
SRC Stop Drive Mode
Drive Mode in
PCI_Stop
RW
Driven
Hi-Z
0
Bit 6
0
Bit 5
0
Bit 4
0
Bit 3
SRC PD Drive Mode
Drive Mode in PD
RW
Driven
Hi-Z
0
Bit 2
CPUCLK_ITP
Drive Mode in PD
RW
Driven
Hi-Z
0
Bit 1
CPUCLK1
Drive mode in PD
RW
Driven
Hi-Z
0
Bit 0
CPUCLK0
Drive mode in PD
RW
Driven
Hi-Z
0
I
2C Table: Output Control Register
Pin #
Name
Control Function
Type0
1
PWD
Bit 7
Test Mode Selection
Test Mode Selection
RW
Hi-Z
REF/N
0
Bit 6
Test Clock Mode Entry
Test Mode
RW
Disable
Enable
0
Bit 5
0
Bit 4
REFOUT Strength
Strength Prog
RW
1X
2X
1
Bit 3
PCI/SRC_STOP
Stop all PCI and
SRC clocks
RW
Enabled, all
stoppable PCI
and SRC clocks
are stopped.
Disabled, all
stoppable PCI
and SRC clocks
are running
1
Bit 2
FS_C
readback
R
-
-
LATCHED
Bit 1
FS_B
readback
R
-
-
LATCHED
Bit 0
FS_A
readback
R
-
-
LATCHED
I
2C Table: Vendor & Revision ID Register
Pin #
Name
Control Function
Type0
1
PWD
Bit 7
RID3
R
-
-
0
Bit 6
RID2
R
-
-
0
Bit 5
RID1
R
-
-
0
Bit 4
RID0
R
-
-
0
Bit 3
VID3
R
-
-
0
Bit 2
VID2
R
-
-
0
Bit 1
VID1
R
-
-
0
Bit 0
VID0
R
-
-
1
-
-
Byte 5
Byte 6
19,20,22,23,
24,25,26,27,30,31,
32,33,35,36
14,15
RESERVED
Byte 4
RESERVED
10
9
8
RESERVED
RESERVED
RESERVED
Free-Running
Control
not affected by
RESERVED
17,18,19,20,22,23,
24,25,26,27,30,31,
32,33,35,36
54,55,56,3,4,5,8,9,
10
19,20,22,23,
24,25,26,27,30,31,
32,33,35,36
35,36
REVISION ID
RESERVED
-
-
40,41
43,44
52
-
-
-
-
-
RESERVED
-
VENDOR ID
-
-
-
Byte 7
-



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