表格 的 内容
MOTOROLA
mcf5202 用户’s 手工的
ix
部分 4
Cache
4.1 cache organization .................................................................................................4-2
4.2 cache 运作......................................................................................................4-2
4.3 cache 控制 寄存器............................................................................................4-5
4.4 进入 控制 寄存器.........................................................................................4-7
4.5 cache 管理.................................................................................................4-8
4.6 caching 模式 ........................................................................................................4-9
4.6.1 cacheable accesses................................................................................4-10
4.6.1.1 writethrough 模式 ................................................................................4-10
4.6.1.2 copyback 模式 .....................................................................................4-10
4.6.2 cache-inhibited accesses........................................................................4-11
4.7 cache 协议 .......................................................................................................4-11
4.7.1 读 miss ................................................................................................4-12
4.7.2 写 miss ................................................................................................4-12
4.7.3 读 hit ...................................................................................................4-12
4.7.4 写 hit ...................................................................................................4-12
4.8 cache coherency ..................................................................................................4-12
4.9 记忆 accesses 为 cache maintenance ............................................................4-12
4.9.1 cache filling ............................................................................................4-13
4.9.2 cache pushes..........................................................................................4-13
4.10 推 和 store 缓存区..........................................................................................4-14
4.11 推 和 store 缓存区 总线 运作 ...................................................................4-14
4.12 cache 运作 summary ....................................................................................4-15
部分 5
总线 行动
5.1 总线 特性 ..................................................................................................5-1
5.2 数据 transfers .........................................................................................................5-2
5.3 acknowledge 总线 循环.........................................................................................5-5
5.4 总线 arbitration ..........................................................................................................5-5
5.5 重置 运作.......................................................................................................5-6
部分 6
debug 支持
6.1 real-时间 查出 ......................................................................................................6-1
6.2 background debug 模式 ........................................................................................6-4
6.2.1 cpu halt ....................................................................................................6-5
6.2.2 bdm 串行 接口 ..................................................................................6-6
6.2.3 bdm command 设置 ...................................................................................6-7
6.2.3.1 bdm command 设置 summary...................................................................6-7
6.2.3.2 coldfire bdm commands .........................................................................6-8
6.2.3.3 command sequence 图解...................................................................6-9
6.2.3.4 command 设置 描述 .....................................................................6-10
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