13
Integrated
Circuit
Systems, Inc.
ICS952906A
1236A—08/06/07
I
2
C Table: Output Divider Control Register
Control
Function
Bit 7
25MHz Div3 RW 0000:/2 0100:/4 1000:/8 1100:/16 X
Bit 6
25Mhz Div2 RW 0001:/3 0101:/6 1001:/12 1101:/24 X
Bit 5
25MHz Div1 RW 0010:/5 0110:/10 1010:/20 1110:/40 X
Bit 4
25MHz Div0 RW 0011:/7 0111:/14 1011:/28 1111:/56 X
Bit 3
CPU Div3 RW 0000:/2 0100:/4 1000:/8 1100:/16 X
Bit 2
CPU Div2 RW 0001:/3 0101:/6 1001:/12 1101:/24 X
Bit 1
CPU Div1 RW 0010:/5 0110:/10 1010:/20 1110:/40 X
Bit 0
CPU Div0 RW 0011:/7 0111:/14 1011:/28 1111:/56 X
I
2
C Table: Output Divider Control Register
Control
Function
Bit 7
Reserved RW X
Bit 6
Reserved RW X
Bit 5
Reserved RW X
Bit 4
Reserved RW X
Bit 3
3V66Div3 RW 0000:/2 0100:/4 1000:/8 1100:/16 X
Bit 2
3V66Div2 RW 0001:/3 0101:/6 1001:/12 1101:/24 X
Bit 1
3V66Div1 RW 0010:/5 0110:/10 1010:/20 1110:/40 X
Bit 0
3V66Div0 RW 0011:/7 0111:/14 1011:/28 1111:/56 X
I
2
C Table: Output Divider Control Register
Control
Function
Bit 7
Reserved Reserved RW X
Bit 6
Reserved Reserved RW X
Bit 5
Reserved Reserved RW X
Bit 4
CPUINV CPU Phase Invert RW 1
Bit 3
Reserved Reserved RW 1
Bit 2
Reserved Reserved RW 1
Bit 1
Reserved Reserved RW 1
Bit 0
Reserved Reserved RW 1
I
2
C Table: Group Skew Control Register
Control
Function
Bit 7
Reserved Reserved RW 0
Bit 6
Reserved Reserved RW 0
Bit 5
Reserved Reserved RW 0
Bit 4
Reserved Reserved RW 0
Bit 3
Reserved Reserved RW 0
Bit 2
Reserved Reserved RW 0
Bit 1
Reserved Reserved RW 0
Bit 0
Reserved Reserved RW 0
--
--
--
--
--
--
--
-
Default
-
Inverse
--
--
--
1
--
--
--
01
Pin #
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
PWD
-
Name Type 0 1
--
Byte 18
PWD
-
Byte 17 Pin # Name Type 0
3V66/PCI Divider Ratio
Programming Bits for
Mode 1
-
-
-
PWD
-
Name Type 0 1Byte 16 Pin #
-
-
-
-
CPUDivider Ratio
Programming Bits
-
-
-
Reserved
-
PWD
-
25MHz Divider Ratio
Programming Bits
-
-
-
Byte 15 Pin # Name Type
-
-
-
-
-
-
-
