内容
iv
11.18.2 处理 .......................................................................................................................... 11-17
11.18.3 servicing............................................................................................................................. 11-17
11.19 中断 例外................................................................................................................... 11-18
11.19.1 导致.................................................................................................................................. 11-18
11.19.2 处理 .......................................................................................................................... 11-18
11.19.3 servicing............................................................................................................................. 11-18
11.20 例外 处理 和 servicing flowcharts ....................................................................... 11-19
12. floating-要点 单位, cp1 .................................................................................................................... 12-1
12.1 Overview ...................................................................................................................................... 12-1
12.2 floating 要点 寄存器 ............................................................................................................... 12-1
12.2.1 floating-要点 一般 寄存器 (fgrs).......................................................................... 12-1
12.2.2 floating-要点 控制 寄存器........................................................................................ 12-2
12.2.3 accessing 这 fp 控制 和 implementation/修订 寄存器................................. 12-5
12.3 floating-要点 formats............................................................................................................... 12-6
12.4 二进制的 fixed-要点 format......................................................................................................... 12-7
12.5 floating-要点 操作指南 设置 summary .................................................................................. 12-8
12.5.1 加载, move 和 store 说明 (表格 12-10) ............................................................. 12-8
12.5.2 转换 说明 (表格 12-11)............................................................................... 12-9
12.5.3 computational 说明 (表格 12-12)......................................................................... 12-9
12.5.4 对比 和 branch 说明 (表格 12-13)............................................................ 12-10
13. floating-要点 例外 .................................................................................................................... 13-1
13.1 介绍 ................................................................................................................................. 13-1
13.2 例外 类型........................................................................................................................... 13-1
13.3 例外 trap 处理.......................................................................................................... 13-2
13.4 Flags............................................................................................................................................. 13-2
13.5 fpu exceptions ........................................................................................................................... 13-3
13.6 节省 和 restoring 状态 ........................................................................................................ 13-6
13.7 trap handlers 为 ieee 标准 754 exceptions................................................................... 13-6
14. debug 支持 单位 ............................................................................................................................ 14-1
14.1 特性 ....................................................................................................................................... 14-1
14.2 ejtag 接口.......................................................................................................................... 14-1
14.3 jtag 接口 ............................................................................................................................ 14-2
14.4 处理器 进入 overview ......................................................................................................... 14-2
14.5 操作指南 ................................................................................................................................... 14-2
14.6 debug 单位................................................................................................................................... 14-3
14.6.1 扩展 说明......................................................................................................... 14-3
14.6.2 扩展 debug 寄存器 在 cp0 ..................................................................................... 14-3
14.7 寄存器 编排................................................................................................................................ 14-3
14.8 处理器 总线 破裂 函数 ................................................................................................... 14-3
14.9 debug 例外.......................................................................................................................... 14-4
14.9.1 debug 单独的 步伐 (dss)..................................................................................................... 14-4
14.9.2 debug breakpoint 例外 (dbp) .................................................................................... 14-4
14.9.3 jtag 破裂 例外........................................................................................................ 14-4
14.9.4 debug 例外 处理 ................................................................................................. 14-4
14.9.5 branching 至 debug handler ............................................................................................... 14-4
14.9.6 例外 处理 当 在 debug 模式 (dm 位 是 设置) ................................................ 14-4
14.10 real 时间 pc 查出 输出.................................................................................................... 14-4
15. tx49 mpu 核心 信号 描述................................................................................................. 15-1
15.1 信号 描述...................................................................................................................... 15-2
15.1.1 记忆 接口 信号................................................................................................... 15-2
15.1.2 dma 接口 信号........................................................................................................ 15-4
15.1.3 coprocessor 接口 信号............................................................................................. 15-5
15.1.4 中断 接口 信号................................................................................................. 15-5
15.1.5 测试 接口 信号 ......................................................................................................... 15-6
15.1.6 debug 接口 信号...................................................................................................... 15-6
15.1.7 时钟 和 系统 控制 接口 信号 ..................................................................... 15-7
16. 低 电源 消耗量 模式......................................................................................................... 16-1
16.1 halt 模式..................................................................................................................................... 16-1
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