Design of PC104/PLUS processor module based on ARM

Low power-consumption and high integration processor module is in great demand in low-end embedded applications.An ARM920T based processor's architecture and system expansion method is introduced.A general processor module is designed in accordance with the standard of PC104/PLUS.Key technologies such as system architecture,memory system,IO expansion method and power design of the system are discussed in detail.The designed module is now used in a data collection system in industry environments.Practical applications proved that this module had good human-machine interface and reliability.