ICS950227 Datasheet, PDF (10/17 Pages) Integrated Circuit Systems – Programmable Timing Control Hub for P4

Integrated
Circuit
Systems, Inc.
I²C Table: Slew Rate Control Register
Byte 21
Pin #
Name
Bit 7
-
Bit 6
PCISlw
Bit 5
-
Bit 4
Bit 3
-
Bit 2
Bit 1
-
Bit 0
-
PCISlw
3V66SLW
3V66SLW
Control Function
PCICLK_F2 Slew Rate
Control
PCICLK_F1:0 Slew
Rate Control
3V66 (5:2) Slew Rate
Control
3V66 (1:0) Slew Rate
Control
Type
RW
RW
RW
RW
I²C Table: Slew Rate Control Register
Byte 22
Bit 7
Bit 6
Pin #
-
-
Name
PCISlw
Bit 5
-
Bit 4
-
PCISlw
Bit 3
-
Bit 2
-
PCISlw
Bit 1
-
Bit 0
-
PCISlw
Control Function
REF Slew Rate Control
PCICLK (6:4) Slew
Rate Control
PCICLK (3:1) Slew
Rate Control
PCICLK0 Slew Rate
Control
Type
RW
RW
RW
RW
RW
RW
RW
RW
I²C Table: Slew Rate Control Register
Byte 23
Pin #
Name
Bit 7
-
Bit 7
-
Bit 6
-
Bit 5
-
Bit 4
-
Bit 3
-
Bit 2
-
Bit 1
-
Bit 0
-
PCISlw1
Reserved
Reserved
VCSLW
Reserved
Reserved
Reserved
Reserved
Control Function
PCI (6:4) Slew Rate
Control
Reserved
Reserved
VCH Slew Rate
Control
Reserved
Reserved
Reserved
Reserved
Type
RW
RW
RW
RW
RW
RW
RW
RW
RW
ICS950227
0
1
10=STRONG
00= MEDIUM
01= WEAK
10=STRONG
00= MEDIUM
01= WEAK
10=STRONG
00= MEDIUM
01= WEAK
10=STRONG
00= MEDIUM
01= WEAK
PWD
1
0
1
0
1
0
1
0
0
1
10=STRONG
00= MEDIUM
01= WEAK
10=STRONG
00= MEDIUM
01= WEAK
10=STRONG
00= MEDIUM
01= WEAK
10=STRONG
00= MEDIUM
01= WEAK
PWD
1
0
1
0
1
0
1
0
0
1
-
-
-
-
-
-
10=STRONG
00= MEDIUM
01= WEAK
-
-
-
-
-
-
-
-
PWD
1
0
0
1
0
0
0
0
0
0641D—07/03/03
10