RT8167A datasheet(27/40 Pages) RICHTEK

27 / 40 page

RT8167A

DS8167A-00

January 2012

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is a registered trademark of Richtek Technology Corporation.

Standard Serial VID Command

Code

Commands

Master Payload

Contents

Slave Payload

Contents

Description

00h

not supported

N/A

01h

SetVID_Fast

VID code

N/A

Set new target VID code, VR jumps to new VID

target with controlled default “fast” slew rate

12.5mV/

μs.

02h

SetVID_Slow

VID code

N/A

Set new target VID code, VR jumps to new VID

target with controlled default “slow” slew rate

3.125mV/

μs.

03h

SetVID_Decay

VID code

N/A

Set new target VID code, VR jumps to new VID

target, but does not control the slew rate. The

output voltage decays at a rate proportional to

the load current

04h

SetPS

Byte indicating

power states

N/A

Set power state

05h

SetRegADR

Pointer of registers

in data table

N/A

Set the pointer of the data register

06h

SetReg DAT

New data register

content

N/A

Write the contents to the data register

07h

GetReg

Pointer of registers

in data table

Specified

Contents

Slave returns the contents of the specified

08h

1Fh

not supported

N/A

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