Design of Crosstalk Prevention Communication for Multiple Pieces of ADS7863 and DSP28335

机译：多片ADS7863和DSP28335的串扰预防通信设计

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This paper designs the hardware interface and software interface between a McBSP(multi-channel buffered serial port) of DSP28335 and two pieces of ADS7863, for the realization of multi-signal crosstalk prevention serial communication between DSP and serial A/D converter. In this interface design, data output pins of two pieces of ADS7863 are multiplexed with the same McBSP pins for data output. In order to prevent crosstalk between output data, it needs to control the chip selection signals of two pieces of ADS7863 to stagger a dead time. In addition, in this design, the serial A/D converter is directly connected to the McBSP pins, not occupying DSP's parallel data bus and will avoid from bus interference. By CCS environment programming and debugnation, satisfied experimental result is achieved, and the correctness of the interface design is verified.

机译：本文设计了DSP28335的McBSP（多通道缓冲串行端口）与两个ADS7863之间的硬件接口和软件接口，以实现DSP与串行A / D转换器之间的多信号串扰防止串行通信。在该接口设计中，两个ADS7863的数据输出引脚与相同的McBSP引脚复用，以进行数据输出。为了防止输出数据之间的串扰，需要控制两个ADS7863的芯片选择信号以交错死区时间。此外，在这种设计中，串行A / D转换器直接连接到McBSP引脚，不占用DSP的并行数据总线，并且可以避免总线干扰。通过CCS环境编程和调试，获得了满意的实验结果，并验证了接口设计的正确性。

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《International Conference on Robots Intelligent System》|2018年|190-193|共4页
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Ying Gao; Jianwei Ye;
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Pins; Clocks; Synchronization; Generators; Crosstalk; Analog-digital conversion; Hardware;

机译：引脚;时钟;同步;发电机;串扰;模数转换;硬件;

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Design of Crosstalk Prevention Communication for Multiple Pieces of ADS7863 and DSP28335

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