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ch7521a

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特征



general

lcompliant with displayport specification version 1.2 and embedded displayport (edp) specification version 1.2

lsupport vesa and cea timing standards up to 7680x1080@60hz or 4800x2160@60hz with 8/10 bit graphic color depth

lsupport single port, dual ports , quad ports and six ports lvds output interface

lcrystal free

lbuilt in self test mode support

lhot plug detection

lsupport dithering from 10 bit to 8 bit and 8-bit frc

lregion crc checking support

lblack panel or color bar during invalid input and failure detection

l15-pixel overlap on the left and right sides support, and enabled by the internal register

linitiated and controlled by firmware which is loaded from external boot rom automatically upon power up

lintegrated edid buffer up to 2 blocks

lfirmware updated through i2c slave or aux channel

li2c slave support up to 400k hz

lprogrammable power management

lachieve bit error rate <10-9 for raw transport data per lane and symbol error rate <10-12 for control data

llow power consumption

lesd hbm 4kv

loffered in a 128-pin qfn package (12.5 x 12.5mm)

 

 

 

 

 

 


 




描述

   chrontel’s ch7521a is a low-cost, low-power semiconductor device that translates the displayport signal to the lvds in form of rgb. this innovative displayport receiver with integrated 6 channel lvds transmitters is specially designed to target the pro-av and automotive market segments. leveraging the displayport’s unique source/sink “link training” routine, the ch7521a is capable of instantly bring up the video display to the lcd when the initialization process is completed between ch7521a and the graphic chip.  

   the ch7521a is designed to meet the displayport specification version 1.2 and the embedded displayport specification version 1.2. the 4 main link lanes receiver supports input with data rate running at 1.62gb/s, 2.7gb/s or 5.4gb/s, and can accept digital rgb signal for lvds output up to 7680x1080@60hz or 4800x2160@60hz.

   the ch7521a will convert the displayport signal to lvds output after displayport link training is completed. this feature can be achieved by loading the panel’s edid and the ch7521a’s configuration settings in the serial external boot rom connected to the ch7521a. during system power-up and upon completion of the displayport link training through aux channel, ch7521a will generate lvds signal according to the panel power-up timing sequencing stored in the external boot rom.

    advanced region crc checking and signal failure detection module and the related interrupt mechanism is incorporated in ch7521a, which is specially designed to reduce the risk of signal transmission error in normal consumer or industrial operation.

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昆泰集成电路(上海)有限公司成立于2003年,开发和销售混合信号集成电路。公司是个人电脑、便携式媒体播放器和智能手机显示接口ic的领先供应商。连接到不同的计算平台标准,包括电视、hdtv、lcd和pc显示器。我们的产品包括电视解码器,电视编码器,dvi/lvds/hdmi编码器,数字电视解调器,图像和音频处理,显示...

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