LOW-POWER CK420BQ DERIVATIVE FOR PCIE SEPARATE CLOCK ARCHITECTURES

16

REVISION B 09/29/15

932SQL456 DATASHEET

SMBus Table: Reserved

Pin #

Name

Control Function

Type

0

1

Default

Bit 7

0

Bit 6

0

Bit 5

0

Bit 4

0

Bit 3

0

Bit 2

1

Bit 1

1

Bit 0

1

SMBus Table: Test Mode and CPU/SRC/PCI Frequency Select Register

Pin #

Name

Control Function

Type

0

1

Default

Bit 7

Test Mode

Test Mode Type

RW

Hi-Z

REF/N

0

Bit 6

Test Select

Select Test Mode

RW

Disable

Enable

0

Bit 5

0

Bit 4

1

Bit 3

0

Bit 2

0

Bit 1

1

Bit 0

1

SMBus Table: Vendor & Revision ID Register

Pin #

Name

Control Function

Type

0

1

Default

Bit 7

RID3

R

0

Bit 6

RID2

R

0

Bit 5

RID1

R

0

Bit 4

RID0

R

0

Bit 3

VID3

R

0

Bit 2

VID2

R

0

Bit 1

VID1

R

0

Bit 0

VID0

R

1

SMBus Table: Byte Count Register

Pin #

Name

Control Function

Type

0

1

Default

Bit 7

BC7

RW

0

Bit 6

BC6

RW

0

Bit 5

BC5

RW

0

Bit 4

BC4

RW

0

Bit 3

BC3

RW

0

Bit 2

BC2

RW

0

Bit 1

BC1

RW

0

Bit 0

BC0

RW

1

SMBus Table: Device ID Register

Pin #

Name

Control Function

Type

0

1

Default

Bit 7

DID7

R

--

0

Bit 6

DID6

R

--

1

Bit 5

DID5

R

--

0

Bit 4

DID4

R

--

0

Bit 3

DID3

R

--

0

Bit 2

DID2

R

--

1

Bit 1

DID1

R

--

1

Bit 0

DID0

R

--

0

RESERVED

Device ID

(46 hex)

Byte Count

Programming b(7:0)

Writing to this register will configure

how many bytes will be read back,

default is A bytes.

(0 to 9

VENDOR ID

RESERVED

-

-

-

Byte 5

-

RESERVED

-

RESERVED

REVISION ID

(10h for A rev)

RESERVED

RESERVED

-

-

-

-

-

-

Byte 7

-

-

-

-

-

-

-

Byte 8

-

-

-

Byte 6

-

0001 for ICS/IDT

RESERVED

RESERVED

-

0 for A rev

Byte 9

RESERVED

RESERVED

RESERVED

RESERVED

RESERVED

RESERVED

-