ics950402 Integrated Device Technology, ics950402 Datasheet - Page 11

• Manufacturer Part Number: ics950402
• Description: Amd - K8 System Clock Chip
• Manufacturer: Integrated Device Technology

0700B—04/30/04
I
I
I
2
2
2
Table 3: 7-Steps Skew Programming Table
C Table: Group Skew Control Register
C Table: Group Skew Control Register
C Table: Slew Rate Control Register
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
7 Step
MSB
11
10
01
00
Byte 19
Byte 20
Byte 21
900 ps
N/A
N/A
N/A
11
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Pin #
Pin #
Pin #
750 ps
N/A
N/A
N/A
10
PCI/HTTSkw3
PCI/HTTSkw2
PCI/HTTSkw1
PCI/HTTSkw0
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
PCISkw3
PCISkw2
PCISkw1
PCISkw0
GSR_EN
Name
Name
Name
ASEL
AEN
600 ps
N/A
N/A
N/A
01
Async Frequency Enable
Async Frequency Select
Gearshift Reset Enable
HTT(2:0) Skew Control
CPU-PCI(6:0) Skew
450 ps
300 ps
150 ps
0.0 ps
CPU-PCI(10:7) /
00
Function
Function
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Function
Reserved
Reserved
Reserved
Reserved
Reserved
Control
Control
Control
Control
11
LSB
Type
Type
Type
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
See Table 3: 7-Steps Skew
See Table 3: 7-Steps Skew
See Table 4 for Async Freq
Disable
Programming Table
Programming Table
0
0
0
-
-
-
-
-
-
-
-
-
-
-
-
-
ICS950402
Enable
1
1
1
-
-
-
-
-
-
-
-
-
-
-
-
-
PWD
PWD
PWD
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
1