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LT7911UXC-國產Type-C/DP1.4轉四端口MIPIDSI/CSI/LVDS輸出方案介紹
龍迅自2019年以來,爆炸性推出了眾多市場熱銷產品,簡單列舉:HDMI_Tx LT8618SXB,RGB/LVDS/MIPI全能轉換LT9211,2020年平板必用網紅料MIPI轉eDP LT8911EXB,2021年車載網紅料HDMI轉MIPI LT6911C/LT6911UXC,在眾多顯示橋接應用中,龍迅皆有對應產品支持,如:RGB轉MIPI LT8918,LVDS轉MIPI LT8918L,LVDS轉eDP LT8911EX,MIPI轉2Port LVDS LT9211D,eDP轉2Port MIPI(或LVDS) LT7911D,龍迅在HDMI、TypeC、DP、顯示90度旋轉、最大4K顯示縮放、CC邏輯等眾多音視頻傳輸、顯示接口技術皆有深耕,而今天重點介紹即將成為2023年度網紅料LT7911UX、LT7911UXC。LT7911UX、LT7911UXC是元宇宙時代AR、VR傳輸必選電路!
■LT7911UX、LT7911UXC支持:
○TypeC或DP轉4Port MIPI with Audio,最高8K@60Hz,4K@120Hz×2CH;
○TypeC或DP轉4Port LVDS with Audio,最高4K@60Hz,2K@120Hz×2CH。
LT7911UX、LT7911UXC典型應用框圖:
■LT7911系列對比表:
1、龍迅LT7911系列關鍵特點
支持轉換
分辨率
嵌 入
縮放旋轉
音頻接口
封 裝
應 用
LT7911D
TypeC/DP/eDP to 2Port- MIPI /LVDS with Audio
4K@60Hz
MCU
不支持
2CH I2S 1CH SPDIF
QFN64
顯示橋接
LT7911UX
TypeC/DP to 4Port- MIPI/LVDS with Audio
8K@60Hz 4K@120Hz
MCU SPI_Flash LPDDR3/4
放大或縮小 1080P 90°旋轉
8CH I2S 2CH SPDIF
BGA169
AR VR TypeC DP 音視頻傳輸
LT7911UXC
TypeC/DP to 4Port- MIPI/LVDS with Audio
8K@60Hz 4K@120Hz
MCU SPI_Flash
放大或縮小 (最高4K)
8CH I2S 2CH SPDIF
BGA169
AR VR 音視頻傳輸
1. Description
The LT7911UXC is a high performance Type-C/DP1.4 to MIPI or LVDS chip for VR/Display application.
HDCP RX as the upstream of HDCP repeater, can cooperate with HDCP TX of other chips to realize the repeater function.
For DP1.4 input, LT7911UXC can be configured as 1/2/4 lane. Adaptive equalization makes it suitable for long cable application and the maximum bandwidth is up to 32.4Gbps.
For MIPI output, LT7911UXC features configurable single-port or dual-port or quad-port MIPIDSI/CSI with 1 high-speed clock lane and 1~4 high-speed data lanes operating at maximum 2.5Gbps/lane with D-PHY, which can support a total bandwidth of up to 40Gbps for four port. Also support 5.7Gbps/lane with C-PHY, which can support a total bandwidth of up to 68.4Gbps for four port.
For LVDS output, LT7911UXC can be configured as single, dual or quad-port LVDS with 1 high-speed clock lane, and 3~5 high-speed data lanes, operating at maximum 1.2Gbps per lane, which can support a total bandwidth of up to 24Gbps. LT7911UXC supports flexible video data mapping path for 2D and 3D applications.
Two digital audio output interfaces are available, I2S and SPDIF. The I2S interface supports 8-ch LPCM and the SPDIF interface supports 2-ch LPCM or compressed audio, both at maximum 192 KHz 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 configuration I2C slave interface.
LT7911UXC is fabricated in advanced CMOS process and implemented in 9mmx9mm BGA169 package.2
2. Features
? Type-C
? DP1.4 Receiver
? Four-Port MIPI DSI/CSI Transmitter
? Four-Port LVDS Transmitter
? Digital Audio Output
3. Applications
? Mobile system
? Display
? VR
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