communication circuit
1.According to HCU hardware design plan, it is mainly divided into 80cl96kc least system design, A/D conversion circuit design, D/A conversion circuit design, RS232 serial communication circuit design, I/O circuit design, power design and CAN communication circuit design.
2.This paper introduces the composition of communication circuit for PC computer and microcontroller serial communication based on PowerBuilder 8.0,expatiates on the method about how to develop communication program of PC computer and microcontroller using PowerBuilder 8.0,MSComm communication control,and C51.
3.In the paper,the multi computer communication principle and communication protocol of PC and single chip in the series of MCS 51 are introduced. The communication circuit of PC and multi single chip micro computer is designed.
4.This link may be a high-speed data communication circuit, a local area network (LAN), a telephone live or a radio channel.
6.RS 485 communication interface circuit and communication program for intelligent electrical apparatus between singlechip and PC was designed in this paper.
8.This paper describes the hardware design of a high speed intelligent communication interface circuit which can parallelly work with master computer, the intelligent communication principle and bottom communication program of the circuit. This circuit is appropriate for data communication and data collection in real time system with complicated control circumstance and high speed requirement.
9.3. The system adopts 32-bit multimedia chip Virgine G2 CPU. The circuit of Virgine G2 CPU and memory 、 RS232 communication interface circuit and overlap display circuit of image 、 graph and character are developed.
10.In order to resolve the Problem of serial communication between OMRON CPM2A PLC and AT89C52 single-chip Microcomputer, the Host Link communication protocol was researched, the communication interface circuit and communication program were designed in this paper, so the data exchange between PLC and single-chip Microcomputer was realized.
