ICS932S825 datasheet(14/21 Pages) RENESAS

14 / 21 page

ICS932S825

1276F—12/02/08

SMBus Table: Drive Strength Control Register

Pin #

Name

Control Function

Type0

PWD

Bit 7

REF2

Drive Strength Select

1 Load

2 Loads

Bit 6

REF1

Drive Strength Select

1 Load

2 Loads

Bit 5

REF0_RUN

Drive Strength Select

1 Load

2 Loads

Bit 4

PCICLK1

Drive Strength Select

1 Load

2 Loads

Bit 3

PCICLK0

Drive Strength Select

1 Load

2 Loads

Bit 2

48MHz_2

Drive Strength Select

1 Load

2 Loads

Bit 1

48MHz_1

Drive Strength Select

1 Load

2 Loads

Bit 0

48MHz_0

Drive Strength Select

1 Load

2 Loads

SMBus Table: Drive Strength Control Register

Pin #

Name

Control Function

Type0

PWD

Bit 7

25MHz_1

Output Enable

Low

Enable

Bit 6

25MHz_0

Output Enable

Hi-Z

Enable

Bit 5

25MHz_1

Drive Strength Select

1 Load

2 Loads

Bit 4

25MHz_0

Drive Strength Select

1 Load

2 Loads

Bit 3

Reserved

Bit 2

VDIFF2

VDIFF MSB

Bit 1

VDIFF1

VDIFF Select Bit 0

Bit 0

VDIFF0

VDIFF LSB

SMBus Table: Device ID Register

Pin #

Name

Control Function

Type0

PWD

Bit 7

DevID 7

Device ID MSB

Bit 6

DevID 6

Device ID 6

Bit 5

DevID 5

Device ID 5

Bit 4

DevID 4

Device ID4

Bit 3

DevID 3

Device ID3

Bit 2

DevID 2

Device ID2

Bit 1

DevID 1

Device ID1

Bit 0

DevID 0

Device ID LSB

SMBus Table: Vendor ID Register

Pin #

Name

Control Function

Type0

PWD

Bit 7

RID3

Bit 6

RID2

Bit 5

RID1

Bit 4

RID0

Bit 3

VID3

Bit 2

VID2

Bit 1

VID1

Bit 0

VID0

Revision ID

VENDOR ID

(0001 = ICS)

Byte 7

Byte 6

Byte 4

Byte 5

See VDIFF Select Table

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