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新聞詳情
LT8711V高性能的Type-C/DP1.2到VGA轉(zhuǎn)換器
1. 一般的描述
LT8711V是一個(gè)高性能的Type-C/DP1.2到VGA轉(zhuǎn)換器，設(shè)計(jì)用于連接USB Type-C源或DP1.2源到VGA接收器。LT8711V集成了一個(gè)符合DP1.2標(biāo)準(zhǔn)的接收機(jī)和一個(gè)高速三通道視頻DAC。此外，還包括兩個(gè)CC控制器，用于CC通信，實(shí)現(xiàn)DP Alt模式和功率傳遞功能，一個(gè)用于上游Type-C端口，另一個(gè)用于下游端口。
提供兩個(gè)數(shù)字音頻輸出接口，I2S和SPDIF。I2S接口支持2-ch LPCM, SPDIF接口支持8-ch LPCM或壓縮音頻，兩種接口的采樣率最高可達(dá)192kHz。
該設(shè)備能夠自動(dòng)操作，這是由一個(gè)集成的微處理器，使用嵌入式SPI閃存固件存儲(chǔ)。系統(tǒng)控制也可以通過(guò)使用專(zhuān)用的配置I2C從接口來(lái)實(shí)現(xiàn)。
LT8711V還支持EDID緩沖，DP/eDP輸入檢測(cè)，并自動(dòng)確定進(jìn)入省電模式。當(dāng)LT8711V接收機(jī)鎖定輸入信號(hào)時(shí)，單片機(jī)可以通過(guò)MSA寄存器讀取恢復(fù)的定時(shí)參數(shù)來(lái)匹配ASSR。在調(diào)試全鏈接訓(xùn)練時(shí)，DPCD寄存器可以通過(guò)系統(tǒng)I2C訪問(wèn)。一旦使用快速鏈接訓(xùn)練，系統(tǒng)時(shí)間將節(jié)省至少400ms。
2. 特性
?USB c型
?DP1.2接收機(jī)
?三通道視頻DAC
?數(shù)字音頻輸入/輸出
?雜項(xiàng)
3所示。應(yīng)用程序
?停靠站
?電子狗
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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