ICS9LPRS436CKILF datasheet(16/20 Pages) IDT

16 / 20 page

IDT®

Low Power Clock for Intel Atom®-Based Systems

1561A — 06/01/10

ICS9LPRS436C

Low Power Clock for Intel Atom

®-Based Systems

SMBus Table: CPU/SRC/PCI PLL Frequency Control Register

Byte 11

Name

Control Function

Type

PWD

Bit 7

N Div2

N Divider Prog bit 2

Bit 6

N Div1

N Divider Prog bit 1

Bit 5

M Div5

Bit 4

M Div4

Bit 3

M Div3

Bit 2

M Div2

Bit 1

M Div1

Bit 0

M Div0

SMBus Table: CPU/SRC/PCI PLL Frequency Control Register

Byte 12

Name

Control Function

Type

PWD

Bit 7

N Div10

Bit 6

N Div9

Bit 5

N Div8

Bit 4

N Div7

Bit 3

N Div6

Bit 2

N Div5

Bit 1

N Div4

Bit 0

N Div3

SMBus Table: CPU/SRC/PCI PLL Frequency Control Register

Byte 13

Name

Control Function

Type

PWD

Bit 7

SSP7

Bit 6

SSP6

Bit 5

SSP5

Bit 4

SSP4

Bit 3

SSP3

Bit 2

SSP2

Bit 1

SSP1

Bit 0

SSP0

SMBus Table: CPU/SRC/PCI PLL Frequency Control Register

Byte 14

Name

Control Function

Type

PWD

Bit 7

SSP15

Bit 6

SSP14

Bit 5

SSP13

Bit 4

SSP12

Bit 3

SSP11

Bit 2

SSP10

Bit 1

SSP9

Bit 0

SSP8

Bytes [15:22] Are reserved

Spread Spectrum Programming

bit(15:8)

Spread Spectrum Programming

bit(7:0)

N Divider Programming Byte12

bit(7:0) and Byte11 bit(7:6)

M Divider Programming

bit (5:0)

These Spread Spectrum bits in Byte 13

and 14 will program the spread percentage

of CPU PLL

These Spread Spectrum bits in Byte 13

and 14 will program the spread percentage

of CPU PLL

The decimal representation of M and N

Divider in Byte 11 and 12 will configure the

CPU PLL VCO frequency. Default at

power up = latch-in or Byte 0 ROM table.

VCO Frequency = 50 x

Ndiv(10:0)/Mdiv(5:0)

The decimal representation of M and N

Divider in Byte 11 and 12 will configure the

CPU PLL VCO frequency. Default at

power up = latch-in or Byte 0 ROM table.

VCO Frequency = 50 x

Ndiv(10:0)/Mdiv(5:0)

ICS9LPRS436CKILF bảng dữ liệu(PDF) 16 Page - Integrated Device Technology

ICS9LPRS436CKILF bảng dữ liệu(HTML) 16 Page - Integrated Device Technology

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20

bảng dữ liệu tải về

Link URL