Second, provide the design and implementation method of the hardware of communication converter. Adopts PIC18F248 as the master controller, realize the interface conversion between RS232 and CAN.
其二，给出了通信转换器的硬件电路的设计和实现方法，通信转换器采用PIC18F248为主控制器，实现通信接口从RS232到CAN的转换。
As the basic SoC design technique, the AHB bus interface design consists of master module interface design and slave module interface design.
AHB总线接口设计划分为主控模块接口设计及从模块接口设计。
ARM chip is chosen as the master chip of main control unit, main control unit includes data storage circuit and key and LCD display interface circuit besides.
主控单元的主控芯片选用了ARM芯片，并配以数据存储电路、按键和液晶显示接口电路。
ARM chip is chosen as the master chip of main control unit, main control unit includes data storage circuit and key and LCD display interface circuit besides.
主控单元的主控芯片选用了ARM芯片，并配以数据存储电路、按键和液晶显示接口电路。
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