ics9fg1201 Integrated Device Technology, ics9fg1201 Datasheet - Page 10

• Manufacturer Part Number: ics9fg1201
• Description: Frequency Generator For P4tm Cpu, Pci-express* & Fully Buffered Dimm Clocks
• Manufacturer: Integrated Device Technology

IDT
SMBusTable: 1:1 PLL Frequency Selection
SMBusTable: Reserved Register
SMBus Table: M/N Programming Enable
SMBus Table: Gear PLL Frequency 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
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
ICS9FG1201H
Frequency Generator for CPU, PCIe Gen1* & Fully Buffered DIMM Clocks
TM
Byte 10
Byte 11
Byte 8
Byte 9
/ICS
TM
Frequency Generator for CPU, PCIe Gen1* & Fully Buffered DIMM Clocks
-
-
-
-
-
-
-
-
-
-
Pin #
Pin #
Pin #
Pin #
Gear PLL M Div5
Gear PLL M Div4
Gear PLL M Div3
Gear PLL M Div2
Gear PLL M Div1
Gear PLL M Div0
M/N_EN
Name
Name
Name
Name
Frequency Select C
Frequency Select B
FS_A_410
M Divider Programming
Gear PLL and 1:1 PLL
Control Function
Control Function
Control Function
M/N Programming
Control Function
Enable
bits
RESERVED
RESERVED
RESERVED
RESERVED
RESERVED
RESERVED
RESERVED
RESERVED
RESERVED
RESERVED
RESERVED
RESERVED
RESERVED
RESERVED
RESERVED
RESERVED
RESERVED
RESERVED
RESERVED
RESERVED
RESERVED
RESERVED
10
Type
Type
Type
Type
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
See 9FG1201H 1:1 PLL
Disable
See 9FG1201H M/N
Programming Table
programming Table
0
0
0
0
Enable
1
1
1
1
Latch
PWD
PWD
PWD
PWD
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
1371C — 02/12/08
0
0
0
0
0
x
1
0
0
0
0
0
0
0
0
0