Specification for processor system bus interface eurobus a 處理器系統(tǒng)總線接口
A information processing - processor system bus interface eurobus a 信息處理處理機(jī)系統(tǒng)總線接口
The whole part of the data acquisition is build in a computer as two data acquisition cards . they are front card and rear card . the front card composed of four modules . they are : coin circuit module , data flow controller module , sdram array module and system bus interface module . the rear card composed of four odules . they are : asynchronous serial port interface module , adc control odule , ecg signal process module and gate control data produce module 數(shù)據(jù)采集模式實(shí)現(xiàn)部分的大部分工作是在前面板上完成的,后面板主要是一些外圍電路。前面板采集卡上從物理上來說主要有四塊電路:符合電路,數(shù)據(jù)流控制器電路, sdram陣列和系統(tǒng)總線接口電路組成。后面板采集卡從總體物理上主要有四塊電路組成: 485串行通信電路, adc控制電路,心電數(shù)據(jù)處理電路和門控信號產(chǎn)生電路。