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简要介绍了在linux2.6版本下的驱动程序原理和主要开发构架以及MPC8250的SPI功能特性,给出了一个LINUX系统环境下开发基于MPC8250控制器的SPI接口驱动的程序开发方法。
Briefly introduced the driver principle and main development framework under linux2.6 version and the SPI function characteristic of MPC8250, gives a development program of SPI interface driver based on MPC8250 controller in a LINUX system environment.