CBTL12131ET

更新时间： 2024-09-29 12:51:19

品牌	Logo	应用领域
恩智浦 - NXP		模拟IC 信号电路计算机
页数	文件大小	规格书
29页	206K
描述
DisplayPort multiplexer for bidirectional video in all-in-one computer systems

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CBTL12131ET 技术参数

是否Rohs认证：	符合	生命周期：	Obsolete
零件包装代码：	BGA	包装说明：	TFBGA,
针数：	64	Reach Compliance Code：	unknown
HTS代码：	8542.39.00.01	风险等级：	5.82
Is Samacsys：	N	模拟集成电路 - 其他类型：	ANALOG CIRCUIT
JESD-30 代码：	S-PBGA-B64	长度：	6 mm
湿度敏感等级：	2	功能数量：	1
端子数量：	64	最高工作温度：	85 °C
最低工作温度：	-40 °C	封装主体材料：	PLASTIC/EPOXY
封装代码：	TFBGA	封装形状：	SQUARE
封装形式：	GRID ARRAY, THIN PROFILE, FINE PITCH	峰值回流温度（摄氏度）：	260
认证状态：	Not Qualified	座面最大高度：	1.1 mm
最大供电电压 (Vsup)：	3.6 V	最小供电电压 (Vsup)：	3 V
标称供电电压 (Vsup)：	3.3 V	表面贴装：	YES
温度等级：	INDUSTRIAL	端子形式：	BALL
端子节距：	0.5 mm	端子位置：	BOTTOM
处于峰值回流温度下的最长时间：	30	宽度：	6 mm
Base Number Matches：	1

CBTL12131ET 数据手册

CBTL12131

DisplayPort multiplexer for bidirectional video in all-in-one

computer systems

Rev. 1 — 25 February 2011

Product data sheet

1. General description

CBTL12131 is an integrated DisplayPort high-speed path switch/multiplexer that allows

all-in-one computer systems to efficiently manage path switching between different

display modes of operation. With the CBTL12131, video can be routed either from one

DisplayPort source (GPU1) to an integrated DisplayPort panel and simultaneously from a

second DisplayPort source (GPU2) to an external DisplayPort sink; or from an external

DisplayPort source to the integrated DisplayPort panel.

The device is configured as four main Ports A through D, each providing four high-speed

differential lanes for DisplayPort Main Link (ML) channels, one high-speed differential lane

for the DisplayPort AUX channel, and one single-ended lane for the HPD (Hot Plug

Detect) signal. One port (Port A) provides an additional alternate lane for the AUX

channel, in order to allow bypassing of external AC-coupling capacitors for support of the

DDC channel in case an external connected sink is a ‘++DP’ type cable adapter.

For the path supporting the ‘external source to integrated DisplayPort panel’ mode, a

programmable equalizer is provided which allows compensation for channel loss that the

external source or internal sink are unable to adequately compensate for. The equalizer is

self-biasing and is programmable to five gain-frequency curves, of which one is a flat

response and four are active equalization. The equalizer output can also be set to one of

two levels of pre-emphasis (including flat), and also differential swing level can be set to

one of two levels. All options (EQ, pre-emphasis, level) are easily programmed using

board-strapping (resistor, short or open) of three unique Quinary Input programming pins.

The CBTL12131 includes additional features that support use of the external DisplayPort

connector in both directions: either an external sink (monitor or cable adapter) or external

source (notebook computer) can be connected, while CBTL12131 configures the direction

and termination of the related signals accordingly. The port facing the external DisplayPort

connector (Port B) is equipped with dedicated sensing circuitry which detects and reports

the status of the HPD and AUX lines, to support the system controller in determining and

setting the proper connection status. The AUX channel of Port B also has switchable

integrated termination, to allow the system controller to apply the correct DC termination

in case an external DisplayPort source is connected. Moreover, it affords the system

controller the means to detect the type of system (sink, source or all-in-one computer)

connected at Port B, and apply the proper termination required in each scenario.

The CBTL12131 is powered from a single 3.3 V power supply, consumes very little

current while providing low insertion loss and low return loss high-speed differential switch

channels suitable for use in DisplayPort v1.1a interconnect. All switch and configuration

settings can be performed by board-strapping or driving simple CMOS inputs—no

software or bus configuration is required. CBTL12131 is available in a 6 mm × 6 mm

12 3 4 5 6 7...29

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