國(guó)產(chǎn)長(zhǎng)電纜應(yīng)用芯片LT86121EX：高性能HDMI2.1或DP1.4a中繼器

1. 描述

LT86121EX是一款高性能HDMI2.1或DP1.4a中繼器。在長(zhǎng)電纜應(yīng)用中，應(yīng)與LT86121EX配套使用。

HDMI2.1輸入和輸出都支持高達(dá)8Gbps的數(shù)據(jù)速率，這為4K@120Hz, 8K@30Hz或8K@60Hz提供了足夠的帶寬壓縮數(shù)據(jù)(直通)。HDCP2.3也支持?jǐn)?shù)據(jù)解密和加密。

Type-C或DP1.4a輸入和輸出都支持高達(dá)8.1Gbps的數(shù)據(jù)速率，為4K@120Hz, 8K@30Hz或8K@60Hz提供足夠的帶寬壓縮數(shù)據(jù)(直通)。HDCP2.3也支持?jǐn)?shù)據(jù)解密和加密。

在配對(duì)模式下，DSC可用于降低數(shù)據(jù)速率，從而降低帶寬需求。此外，還可以激活FEC來(lái)糾正數(shù)據(jù)錯(cuò)誤，提高系統(tǒng)的容錯(cuò)水平。這些獨(dú)特的技術(shù)結(jié)合在一起將大大延長(zhǎng)傳輸距離。

有兩個(gè)數(shù)字音頻接口，I2S和SPDIF。I2S接口支持8-ch LPCM, SPDIF接口支持2-ch LPCM或壓縮音頻，最大采樣率均為192 KHz。

該設(shè)備能夠通過(guò)集成的微處理器實(shí)現(xiàn)自動(dòng)操作，該微處理器使用嵌入式SPI閃存進(jìn)行固件存儲(chǔ)。系統(tǒng)控制也可通過(guò)配置I2C從接口。

2. 特性

(1)HDMI2.1接收器

(2)c型

(3)DP1.4a/eDP1.4b接收端

(4)HDMI2.1發(fā)射器

(5)DP1.4a/eDP1.5發(fā)送器

(6)eDP1.4/eDPx發(fā)射器

(7)數(shù)字音頻輸入和輸出

(8)DSC解碼器和編碼器

3. 應(yīng)用程序

(1)有源電纜

(2)監(jiān)測(cè)

1. Description

The LT86121EX is a high performance HDMI2.1 or DP1.4a repeater. In long cable applICation, it should be paired with LT86121EX.

Both the HDMI2.1 input and output support data rate up to 8Gbps which provides sufficient bandwidth for 4K@120Hz, 8K@30Hz or 8K@60Hz with compression data (pass-through). Also HDCP2.3 is supported for data decryption and encryption.

Both the Type-C or DP1.4a input and output support data rate up to 8.1Gbps which provides sufficient bandwidth for 4K@120Hz, 8K@30Hz or 8K@60Hz with compression data (pass-through). Also HDCP2.3 is supported for data decryption and encryption.

In paired mode, DSC can be used to reduce data rate and hence bandwidth requirement. Furthermore, FEC can be activated to correct data error and help to enhance system error tolerance level. These unique techniques together will significantly extend transmission distance.

Two digital audio 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.

2. Features

(1)HDMI2.1 Receiver

(2) Type-C

(3) DP1.4a/eDP1.4b Receiver

(4)HDMI2.1 Transmitter

(5) DP1.4a/eDP1.5 Transmitter

(6) eDP1.4/eDPx Transmitter

(7) Digital Audio input and Output

(8) DSC Decoder and Encoder

3. Applications

(1) Active Cables

(2) Surveillance

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