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TMS320F2812外接多片SPI接口的AD芯片

Other Parts Discussed in Thread: TMS320F2812, ADS1256, ADS1282

TMS320F2812能外接多片SPI接口的AD芯片么?想接一片ADS1256,2片ADS1282,是否可行?有什么需要注意的问题么?

  • 一般来讲SPI总线上接多个设备时,需要通过片选信号来选择跟哪个通讯。

    感觉AD1282比较难实现这个功能。你可以再去模拟区问一下那里的工程师,他们对AD器件比较熟。