rm5231a™ 微处理器 和 32-位 系统 总线 数据 薄板
初步的
专卖的 和 confidential 至 pmc-sierra, inc 和 为 它的 客户’s 内部的 使用 5
文档 id: pmc-2002174, 公布 2
表格 的 内容
legal 信息...........................................................................................................................2
修订 history .............................................................................................................................3
文档 conventions .................................................................................................................4
表格 的 内容 ..........................................................................................................................5
列表 的 计算数量 ................................................................................................................................7
列表 的 tables .................................................................................................................................8
1 特性 ..................................................................................................................................9
2 块 图解.......................................................................................................................10
3 硬件 overview ...............................................................................................................11
3.1 superscalar dispatch ...................................................................................................11
3.2 cpu 寄存器 .............................................................................................................11
3.3 pipeline ........................................................................................................................11
3.4 integer 单位 ..................................................................................................................12
3.5 寄存器 文件 .................................................................................................................12
3.6 alu ..............................................................................................................................12
3.7 integer 乘以/分隔..................................................................................................12
3.8 floating-要点 co-处理器 ........................................................................................13
3.9 floating-要点 单位 .......................................................................................................13
3.10 floating-要点 一般 寄存器 文件............................................................................15
3.11 系统 控制 coprocessor (cp0).............................................................................16
3.12 系统 控制 co-处理器 寄存器 .....................................................................16
3.13 模拟的 至 物理的 地址 mapping ............................................................................17
3.14 joint tlb......................................................................................................................18
3.15 操作指南 tlb .............................................................................................................19
3.16 数据 tlb ......................................................................................................................19
3.17 cache 记忆.............................................................................................................19
3.18 操作指南 cache .........................................................................................................19
3.19 数据 cache ..................................................................................................................20
3.20 写 缓存区 ..................................................................................................................21
3.21 系统 接口 ..........................................................................................................22
3.22 系统 地址/数据 总线 ...........................................................................................22
3.23 系统 command 总线 ................................................................................................22
3.24 handshake 信号 ......................................................................................................23
3.25 非-overlapping 系统 接口...............................................................................23
3.26 增强 写 模式................................................................................................24
3.27 外部 requests........................................................................................................25
3.28 中断 处理 ........................................................................................................25
3.29 备用物品 模式..............................................................................................................25
3.30 jtag 接口.............................................................................................................25
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