表格 的 内容
Paragraph 标题 页
号码 号码
MOTOROLA
mc68360 用户’s 手工的
iii
quicc 记忆 编排
3.1 双-端口 内存 记忆 编排 .................................................................. 3-2
3.2 cpm sub-单元 根基 地址......................................................... 3-3
3.3 内部的 寄存器 记忆 编排 .............................................................. 3-4
3.3.1 sim 寄存器 记忆 编排.................................................................... 3-4
3.3.2 cpm 寄存器 记忆 编排 .................................................................. 3-6
部分 4
总线 运作
4.1 总线 转移 信号............................................................................... 4-2
4.1.1 总线 控制 信号................................................................................. 4-3
4.1.2 函数 代号 (fc3–fc0) .................................................................... 4-3
4.1.3 地址 总线 (a31–a0)............................................................................ 4-4
4.1.4 地址 strobe (作) ............................................................................... 4-4
4.1.5 数据 总线 (d31-d0).................................................................................. 4-4
4.1.6 数据 strobe (ds)..................................................................................... 4-4
4.1.7 输出 使能 (oe)................................................................................. 4-4
4.1.8 字节 写 使能 (we0, we1, we2, we3)........................................... 4-4
4.1.9 总线 循环 末端 信号 ............................................................... 4-5
4.1.9.1 数据 转移 和 大小 acknowledge (dsack1 和 dsack0)............... 4-5
4.1.9.2 总线 错误 (berr).................................................................................... 4-5
4.1.9.3 autovector (avec).................................................................................. 4-6
4.2 数据 转移 mechanism....................................................................... 4-6
4.2.1 动态 总线 sizing ................................................................................ 4-6
4.2.2 misaligned operands ............................................................................ 4-11
4.2.3 影响 的 动态 总线 sizing 和 operand misalignment .................. 4-19
4.2.4 总线 运作 ....................................................................................... 4-20
4.2.5 同步的 运作 和 dsackx.................................................. 4-21
4.2.6 快 末端 循环........................................................................ 4-21
4.3 数据 转移 循环............................................................................. 4-22
4.3.1 读 循环............................................................................................ 4-23
4.3.2 写 循环............................................................................................ 4-26
4.3.3 读-modify-写 循环 ...................................................................... 4-28
4.4 cpu 空间 循环................................................................................ 4-31
4.4.1 breakpoint acknowledge 循环............................................................. 4-31
4.4.2 lpstop broadcast 循环..................................................................... 4-35
4.4.3 单元 根基 地址 寄存器 (mbar) 进入 .................................. 4-36
4.4.4 中断 acknowledge 总线 循环........................................................ 4-36
4.4.4.1 中断 acknowledge cycle—terminated 正常情况下............................ 4-36
4.4.4.2 autovector 中断 acknowledge 循环. ............................................. 4-38
4.4.4.3 spurious 中断 循环........................................................................ 4-40
4.5 总线 例外 控制 循环............................................................... 4-41
4.5.1 总线 errors ............................................................................................. 4-42
4.5.2 retry 运作..................................................................................... 4-44
4.5.3 halt 运作 ....................................................................................... 4-46
4.5.4 翻倍 总线 故障................................................................................... 4-48
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