设计了PC机与单片机之间的串口通信电路。
外部通信和控制电路主要包括串口通信电路和CAN口通讯电路。
The external communication and the control circuit mainly includes the serial port communication circuit and the CAN communication channel.
对系统硬件设计的DSP 3．3V电源的获取、电压电流采样模块、IGBT 驱动、一般I／O信号的处理、故障监测和串口通信电路进行了研究分析。
The overall hardware design scheme is performed, such as DSP 3. 3V power, voltage and current sampling module, IGBT driving circuit, I/O signal processor, fault detection module and COM circuit etc.
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