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ColdFire编程参考手册 苏州大学飞思卡尔嵌入式系统研发中心翻译 http://sumcu.suda.edu.cn 2009年11月 1 目录 目录 第1章绪论...........................................................................................................................1 1.1整型单元用户编程模式............................................................................................2 1.1.1数据寄存器(D0-D7).......................................................................................2 1.1.2地址寄存器(A0-A7).......................................................................................2 1.1.3程序计数器(PC)...........................................................................................2 1.1.4条件码寄存器(CCR).................................................................................3 1.2浮点单元用户编程模式............................................................................................3 1.2.1浮点型数据寄存器(FP0-FP7)...................................................................4 1.2.2浮点型状态寄存器(FPSR).............................................................................5 1.2.3浮点型指令地址寄存器(FPIAR)..............................................................6 1.3MAC的用户编程模型..............................................................................................6 1.3.1MAC状态寄存器(MACSR)...........................................................................7 1.3.2MAC累加器(ACC)........................................................................................7 1.3.3MAC掩码寄存器(MASK).............................................................................7 1.4EMAC用户编程模型...............................................................................................8 1.4.1MAC状态寄存器(MACSR)...........................................................................8 1.4.2MAC加法器(ACC[0:3]).................................................................................9 1.4.3加法器扩展(ACCext01,ACCext23).............................................................10 1.4.4MAC掩码寄存器(MASK)................