ICS952601 Datasheet, PDF (13/25 Pages) Integrated Circuit Systems – Programmable Timing Control Hub™ for Next Gen P4™ processor

ICS952601
Programmable Timing Control Hub^TM for Next Gen P4^TM Processor
I²C Table: Output Control and Fix Frequency Register
Byte 6
Pin #
Name
Control Function
1,2,7,8,9,12,13,14,1
5,18,19,20,22,23,26,
Bit 7 _{27,29,31,32,37,38,4}
Test Clock Mode
Test Clock Mode
0,41,43,44,46,47
Bit 6
Bit 5
-
40,41,43,44,46,47
Bit 4
Bit 3
37,38
RESERVED
RESERVED
RESERVED
RESERVED
-
FS_A and FS_B
Operation
SRC Frequency
Select
-
7,8,9,12,13,14,15,18
,19,20,22,23,26,27,2
Bit 2 _{9,31,32,37,38,40,41,} Spread Spectrum Mode
43,44,46,47
Bit 1
2
Bit 0
1
REF1
REF0
Output Control
Output Control
Type
0
1
-
Disable
Enable
-
-
-
-
Normal
Test Mode
-
100MHz
200MHz
-
-
-
Spread OFF
Spread
ON
RW
Disable
RW
Disable
Enable
Enable
PWD
0
0
0
0
0
0
1
1
I²C Table: Vendor & Revision ID Register
Byte 7
Pin #
Name
Bit 7
-
RID3
Bit 6
-
RID2
Bit 5
-
RID1
Bit 4
-
RID0
Bit 3
-
VID3
Bit 2
-
VID2
Bit 1
-
VID1
Bit 0
-
VID0
Control Function Type
0
R
-
REVISION ID
R
-
R
-
R
-
R
-
VENDOR ID
R
-
R
-
R
-
1
PWD
-
X
-
X
-
X
-
X
-
0
-
0
-
0
-
1
IDT^TM Progammable Timing Control Hub^TM for Next Gen P4^TM Processor
13
701J—01/25/10