MAX9280B中文资料3.12Gbps GMSL解串器，用于同轴电缆或STP输入及并行输出数据手册ADI规格书

描述 Description

The MAX9276B/MAX9280B gigabit multimedia serial link (GMSL) deserializers receive data from a GMSL serializer over 50Ω coax or 100Ω shielded twisted-pair (STP) cable and output deserialized data on the LVCMOS outputs. The MAX9280B has HDCP content protection but otherwise is the same as the MAX9276B. The deserializers pair with any GMSL serializer capable of coax output including the MAX9293 HDMI/MHL serializer. When programmed for STP input they are backward compatible with any GMSL serializer. The audio channel supports L-PCM I2S stereo and up to eight channels of L-PCM in TDM mode. Sample rates of 32kHz to 192kHz are supported with sample depth up to 32 bits. The embedded control channel operates at 9.6kbps to 1Mbps in UART-to-UART and UART-to-I2C modes, and up to 1Mbps in I2C-to-I2C mode. Using the control channel, a μC can program serializer, deserializer, and peripheral device registers at any time, independent of video timing, and manage HDCP operation (MAX9280B). Two GPIO ports are included, allowing display powerup and switching of the backlight among other uses. A continuously sampled GPI input supports touch-screen controller interrupt requests in display applications. For use with longer cables, the deserializers have a programmable cable equalizer. Programmable spread spectrum is available on the parallel output. The serial input meets ISO 10605 and IEC 61000-4-2 ESD standards. The core supply is 3.0V to 3.6V and the I/O supply is 1.7V to 3.6V. The devices are in lead-free, 56-pin, 8mm x 8mm TQFN/SWTQFN packages with exposed pad and 0.5mm lead pitch.

特性 Features

• 理想用于高清视频应用
• 可使用低成本50Ω同轴电缆和FAKRA连接器或100Ω STP
• 104MHz高带宽模式支持1920x720p/60Hz、24位彩色显示
• 电缆均衡，全速工作时传输距离长达15m
• 高达192kHz采样率和32位采样深度，支持7.1通道HD音频
• 音频时钟取自于音频源或音频接收器
• 颜色查找表，用于γ修正
• CNTL[3:0]控制输出
• 多种数据率，提高系统灵活性
• 串行码率高达3.12Gbps
• 6.25MHz至104MHz像素时钟
• UART、混合UART/I2C或I2C模式下，控制通道支持9.6kbps至1Mbps传输速率，带时钟展宽功能
• 降低EMI和屏蔽要求
• 可编程扩频功能有效降低EMI
• 跟踪输入的扩展频谱
• 高抗扰模式，最大程度上抑制控制通道噪声
• 用于系统上电和验证的外设功能
• 内置PRBS检测器，用于串行链路的BER测试
• 可编程选择8个默认器件地址
• 2个专用GPIO端口
• 专用“Up/Down”GPI，用于触摸屏中断和其它功能
• 远端/本地休眠模式唤醒
• 满足严格的汽车和工业要求
• -40°C至+105°C工作温度范围
• ±10kV接触放电和±15kV气隙放电ESD保护， ISO 10605和IEC 61000-4-2

应用 Application

• 高分辨率汽车导航
• 兆像素照相系统
• 后排座信息终端