简介:A320×240CMOSimagesensorisdemonstrated,whichisimplementedbyastandard0.6μm2P2MCMOSprocess.Forreducingthechiparea,each2×2-pixelblocksharesasample/holdcircuit,analog-to-digitalconverterand1-bmemory.The2×2pixelpitchhasanareaof40μm×40μmandthefillfactorisabout16%.Whileoperatingatalowframerate,thesensordissipatesaverylowpowerbypower-managementcircuitmakingpixel-levelcomparatorsinanidlestate.Adigitalcorrelateddoublesampling,whicheliminatesfixedpatternnoise,improvesSNRofthesensor,andmultiplesamplingoperationsmakethesensorhaveawidedynamicrange.
简介:TLC320AD50C作为一款语音处理芯片有着广泛的应用。文章介绍了TMS320VC5402的多通道缓冲串口(McBSPs)与音频芯片TLC320AD50C的硬件连接的设计与实现。介绍了TMS320VC5402的多通道缓;中串口和音频芯片TLC320AD50C的工作原理和初始化的方法,以及典型应用中的TMS320VC5402对TLC320AD50C控制方式和TLC320AD50C采样频率的设定。最后给出了该系统的初始化程序,并实现了在硬件系统上的运行。