文章介绍powerpc的mpc83xx的局部总线控制器(LBC)模块,介绍LBC的外部信号和内存映射寄存器,以及通用片选机制(GPCM),同步DRAM(SDRAM)和用户可编程机(UPM),最后举例介绍了初始化和应用信息.
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...的一块板卡是MPC8280 + XC2S400E，2者之间扩展总线进行连接，这时候内存控制器工作在GPCM(General-purpose chip-select machine)模式。主要信号External Bus:8位数据线，12根地址线.
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The generalized pulse code module (GPCM) control valve is a type of combination valve, and each flow control unit is connected together by mono-block.
广义脉码调制(GPCM)控制阀是一种组合形式的阀，各基元通过液压集成块连接到一起。
The basis theory of generalized pulse code modulation (GPCM) was described, and several typical application circuits with GPCM control were presented.
介绍了广义脉码调制(GPCM)控制理论，结合具体应用情况，阐述了几种GPCM控制阀典型应用的控制回路。
The generalized pulse code modulation (GPCM) control valve is a type of combination valve, and each flow control unit is connected together by mono-block.
广义脉码调制（ GPCM）控制阀是一种组合型式的阀，组成的各基元通过液压集成块连接到一起。
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