FPD Link
主要功能模块介绍
ABSTRACT
FPD Link 器件广泛的应用于汽车影音娱乐以及 ADAS 系统中高清视频数据的传输。本文主要总结了 FPD
Link 串行、解串芯片的主要功能模块的基本工作原理以及其在链路中的作用,便于工程师们快速理解和
应用 FPD Link 系列产品。
Contents
1 FPD Link 系统架构 ......................................................................................................................... 2
2 FPD Link 串行芯片架构介绍 ........................................................................................................... 4
2.1 视频接口 ................................................................................................................................. 4
2.2 视频编码成帧 .......................................................................................................................... 4
2.3 时钟模块 ................................................................................................................................. 5
2.4 I2C 控制模块 ........................................................................................................................... 6
2.5 反向数据通道 .......................................................................................................................... 6
3 FPD Link 解串芯片架构介绍 ........................................................................................................... 6
3.1 自适应均衡电路(Adaptive Equalizer) ....................................................................................... 7
3.2 CDR 模块 ................................................................................................................................ 8
4 参考文献 ......................................................................................................................................... 8
Figures
Figure 1. FPD Link 典型应用框图 ............................................................................................... 2
Figure 2. FPD Link 信号结构 ...................................................................................................... 2
Figure 3. FPD Link 支持多种线束 ............................................................................................... 3
Figure 4. FPD Link 串行器典型的应用框图 ................................................................................ 4
Figure 5. DS90UB953-Q1 前向通道帧结构 ................................................................................. 4
Figure 6. DS90UB953-Q1 对输入时钟抖动的要求 ...................................................................... 5
Figure 7. 反向通道帧结构 ........................................................................................................... 6
Figure 8. FPD Link 解串器典型内部结构 .................................................................................... 7
Figure 9. 高速信号眼图变化 ........................................................................................................ 7
Figure 10. CDR 功能模块 ............................................................................................................. 8
Figure 11. CDR Jitter Tolerance ...................................................... Error! Bookmark not defined.