Design and realization of digital multimeter module interface circuit based on LXIbus

The digital multimeter module(DMM) interface circuit design scheme based on LXIbus is proposed in analyzing the characteristics of embedded systems and DMM indicators. It uses S3C2440 as the interface circuit using the main processor, and designed external circuit such as the power supply circuit, crystal oscillator circuit, memory circuit and network interface circuit, and achieve interface functions of DMM based on LXIbus.