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介绍了Samsung公司的32位ARM9核的S3C2440微处理器和Philips公司的CAN控制器SJA1000的特点,并按时序要求,采用了基于CPLD可编程逻辑芯片,实现了CPU与CAN控制器之间接口的实现电路,以及在Linux下驱动的实现方法。提供了非多路复用总线与分时多路复用总线的转换连接的基本思路。
Introduced the S3C2440 microprocessor of 32-bit ARM9 core of Samsung Company and the SJA1000 of CAN controller of Philips Company, introduced the interface between CPU and CAN controller according to the timing requirements and based on CPLD programmable logic chip Implementation of the circuit, as well as the realization of the drive in Linux. Provides the basic idea of a conversion connection between a non-multiplexed bus and a time-multiplexed bus.