ICS950227 Datasheet, PDF (6/17 Pages) Integrated Circuit Systems – Programmable Timing Control Hub for P4

Integrated
Circuit
Systems, Inc.
ICS950227
I²C Table: Output Control Register
Byte 4
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Pin #
-
-
33
35
24
23
22
21
Name
RESERVED
RESERVED
3V66_0
3V66_1/VHC_CLK
3V66_5
3V66_4
3V66_3
3V66_2
Control Function
RESERVED
RESERVED
Output Control
Output Control
Output Control
Output Control
Output Control
Output Control
Type
-
`
RW
RW
RW
RW
RW
RW
0
-
-
Disable
Disable
Disable
Disable
Disable
Disable
1
-
-
Enable
Enable
Enable
Enable
Enable
Enable
PWD
0
0
1
1
1
1
1
1
I²C Table: Output Control and Fix Frequecy Register
Byte 5
Bit 7
Bit 6
Bit 5
Bit 4
Pin #
-
-
-
-
Name
RESERVED
RESERVED
RESERVED
RESERVED
Control Function
-
-
-
-
Bit 3
38
Bit 2
48MHz_DOT
DOT CLOCK EDGE
RATE CONTROL
Bit 1
39
Bit 0
48MHz_USB
USB EDGE RATE
CONTROL
Type
-
-
-
-
RW
RW
RW
RW
0
1
-
-
-
-
-
-
-
-
00= MEDIUM (DEFAULT)
10= LOW
01= HIGH
00= MEDIUM (DEFAULT)
01= LOW
10= HIGH
PWD
0
0
0
0
0
0
0
0
I²C Table: Vendor & Revision ID Register
Byte 6
Pin #
Name
Control Function
Type
0
Bit 7
-
RID3
R
-
Bit 6
-
Bit 5
-
RID2
REVISION ID
R
-
RID1
R
-
Bit 4
-
RID0
R
-
Bit 3
-
VID3
R
-
Bit 2
-
Bit 1
-
VID2
VID1
VENDOR ID
R
-
R
-
Bit 0
-
VID0
R
-
I²C Table: DEVICE ID
Byte 7
Pin #
Name
Control Function
Type
0
Bit 7
-
R
-
Bit 6
-
R
-
Bit 5
-
R
-
Bit 4
-
R
-
Bit 3
-
R
-
Bit 2
-
R
-
Bit 1
-
R
-
Bit 0
-
R
-
1
PWD
-
1
-
1
-
1
-
1
-
1
-
1
-
1
-
1
1
PWD
-
0
-
0
-
0
-
0
-
0
-
0
-
0
-
1
0641D—07/03/03
6