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CS5801_HDMI转EDP优势替代LT6711A方案
2022-07-26 06:35:00 【幺3699759787】
LT6711是HDMI转EDP驱动器IC,可通过执行电缆或电路板走线损耗补偿来增强TMDS信号质量。LT6711可配置为在HDMI1.4b下工作,数据速率高达3.4Gb / s,HDMI2.0标准,最高6Gb / s数据速率,可实现4Kx2K 60Hz或1080P的最高分辨率,刷新率更高。
CS5801是一款HDMI 4K60HZ转EDP/DP 1.4高性能转换方案芯片。CS5801有一个HDMI2.0b输入,最大带宽高达18Gbps。它支持最高分辨率是[email protected]。对于DP1.4输出,由4条数据通道组成,支持1.62Gbps、2.7Gbps、5.4Gbps链路速率。内置可选SSC功能可降低EMI影响。
CS5801的输入接收器具有多级可编程线性均衡器,可通过符号间干扰(ISI)支持最大25dB的损耗补偿。输出发送器通过多级可编程输出摆幅和高达6dB的去加重来重新驱动接收信号。
CS5801还包括内置DDC拦截功能,与时钟通道上的精确频率检测协同工作,以自动设置重新驱动器参数。
CS5801内部集成了一个8位OCM和SPI闪存(堆叠芯片)来运行程序。CS5801还支持在线软件升级。
CS5801与LT6711A的基本参数一致,且CS5801输入端HDMI信号可以高达4K60HZ,CS5801输出端可以兼容DP1.4协议,CS5801比LT6711A的优势还在以下几方面:
1.只需要一个晶体就可以产生所有的定时
2.带SPI闪存控制器的嵌入式32位RISC-V
3.嵌入式EDID(如果终端设备没有,CS5801将响应EDID)
CS5801芯片集成度较高,对应设计HDMI转EDP或者HDMI转DP转换方案,更具有针对性,且内部有SPI闪存控制器,可以随时在线FW,可兼容更多的设备且不用更改硬件电路。
CS5801替代LT6711方案芯片主要应用途径:
•移动系统,VR / AR
•蜂窝手机,PAD /平板电脑
•数码摄像机
•数码相机
CS5801替代LT6711A设计HDMI转EDP转接板如下所示:


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