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LT8711V高性能的Type-C/DP1.2到VGA转换器
1. 一般的描述
LT8711V是一个高性能的Type-C/DP1.2到VGA转换器，设计用于连接USB Type-C源或DP1.2源到VGA接收器。LT8711V集成了一个符合DP1.2标准的接收机和一个高速三通道视频DAC。此外，还包括两个CC控制器，用于CC通信，实现DP Alt模式和功率传递功能，一个用于上游Type-C端口，另一个用于下游端口。
提供两个数字音频输出接口，I2S和SPDIF。I2S接口支持2-ch LPCM, SPDIF接口支持8-ch LPCM或压缩音频，两种接口的采样率最高可达192kHz。
该设备能够自动操作，这是由一个集成的微处理器，使用嵌入式SPI闪存固件存储。系统控制也可以通过使用专用的配置I2C从接口来实现。
LT8711V还支持EDID缓冲，DP/eDP输入检测，并自动确定进入省电模式。当LT8711V接收机锁定输入信号时，单片机可以通过MSA寄存器读取恢复的定时参数来匹配ASSR。在调试全链接训练时，DPCD寄存器可以通过系统I2C访问。一旦使用快速链接训练，系统时间将节省至少400ms。
2. 特性
•USB c型
•DP1.2接收机
•三通道视频DAC
•数字音频输入/输出
•杂项
3所示。应用程序
•停靠站
•电子狗
1. General Description
The LT8711V is a high performance Type-C/DP1.2 to VGA converter, designed to connect a USB Type-C source or a DP1.2 source to a VGA sink.The LT8711V integrates a DP1.2 compliant receiver, and a high-speed triple-channel video DAC. Also, two CC controllers are included for CC communication to implement DP Alt Mode and power delivery function, one for upstream Type-C port and another for downstream port.
Two digital audio output interfaces are available, I2S and SPDIF. The I2S interface supports 2-ch LPCM and the SPDIF interface supports 8-ch LPCM or compressed audio, both at maximum 192kHz sample rate.
The device is capable of automatic operation which is enabled by an integrated microprocessor that uses an embedded SPI flash for firmware storage. System control is also available through the use of a dedicated configuration I2C slave interface.
LT8711V also support EDID buffer, DP/eDP input detection and determine to enter into power saving mode automatically. When the receiver of LT8711V locks the input signal, the MCU can read the recovered timing parameters by the MSA registers to match the ASSR. The DPCD registers are accessible via system I2C when debugging the full link training. Once the fast link training used, system time will save at least 400ms.
2. Features
• USB Type-C
• DP1.2 Receiver
• Triple-Channel Video DAC
• Digital Audio input/Output
• Miscellaneous
3. Applications
• Docking station
• Dongle
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