Datasheet > CBTL03SB212

CBTL03SB212

更新时间： 2024-11-16 09:16:19

品牌	Logo	应用领域
恩智浦 - NXP		复用器
页数	文件大小	规格书
16页	132K
描述
DisplayPort Gen2 sideband signal multiplexer

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数据手册

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CBTL03SB212 数据手册

CBTL03SB212

DisplayPort Gen2 sideband signal multiplexer

Rev. 1 — 21 February 2011

Product data sheet

1. General description

The CBTL03SB212 is a sideband signal multiplexer for DisplayPort Gen2 applications. It

provides one differential channel capable of switching or multiplexing (bidirectional and

AC-coupled) DisplayPort 1.2 Fast AUX or AUX signal, using high-bandwidth pass-gate

technology. Additionally, it provides for switching/multiplexing of the Hot Plug Detect signal

as well as the Display Data Channel (DDC) signals, for a total of three channels.

A typical application of CBTL03SB212 is on motherboards where one of two GPU display

sources needs to be selected to connect to a display sink device or connector. A controller

chip selects which path to use by setting a select signal HIGH or LOW. Due to the

non-directional nature of the signal paths (which use high-bandwidth pass-gate

technology), the CBTL03SB212 can also be used in the reverse topology, e.g., to connect

one display source device to one of two display sink devices or connectors.

GND

CBTL03SB212

100 kΩ

AUX1+

AUX1−

AUX2+

AUX2−

AUX+

2 : 1

MUX

AUX−

100 kΩ

+3.3 V

2 kΩ

GPU1

DDC_CLK1

DDC_DAT1

DDC_CLK2

DDC_CLK

DDC_DAT

2 : 1

MUX

DDC_DAT2

HPD_1

2 : 1

MUX

HPD

HPD_2

SEL, XSD_N

GPU2

002aag007

Fig 1. CBTL03SB212 application example

12 3 4 5 6 7...16

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