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本文使用当前普遍采用的TMS320LF2407DSP作为CPU,对其进行了8路并行A/D扩展。并对所选用A/D器件MAX155的性能和工作原理进行了介绍,最后,还给出了该系统硬件结构框图和相应的DSP软件控制程序。
This article uses the currently popular TMS320LF2407DSP as a CPU, its 8-way parallel A / D expansion. The performance and working principle of the selected A / D device MAX155 are also introduced. Finally, the system hardware structure block diagram and the corresponding DSP software control program are also given.