PI3DPX1202A datasheet(22/51 Pages) DIODES

Part #	PI3DPX1202A

Description	Low power DisplayPort 1.2 Redriver with DDC/AUX CH Switch

PDF	51 Pages

Scroll/Zoom	100%

Manufacturer	DIODES [Diodes Incorporated]

Direct Link	http://www.diodes.com

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22 / 51 page

PI3DPX1202A

A product Line of

Diodes Incorporated

22 of 51

www.diodes.com

September 2017

PI3DPX1202A

Document number: DS40115 Rev.2-1

AUX Read and Sink issue ACK reply:

Ready to reply to Read request with data following. DisplayPort receiver may assert a STOP condition before transmit-

ting the total number of requested data bytes when not all the bytes are available.

From Source

Sync Start bit

4-bit cmd 1001 20-bit address

8-bit length

Stop

From sink ACK

Sync

Start bit 00000000 Data

Stop

AUX Read and Sink issue NACK reply:

A Sink Device receiving a Native AUX CH read request for an unsupported DPCD address must reply with an AUX ACK

and read data set equal to zero instead of replying with AUX NACK.

From Source

Sync

Start bit

4-bit cmd 1001

20-bit address 8-bit length

Stop

From Sink NACK

Sync

Start bit

00001000

data = 0

Stop

PI3DPX1202A Datasheet(PDF) 22 Page - Diodes Incorporated