Overview............................................................................................................................................... 4-1







概观....................................................................................................................................................... 5-1

中断类型..................................................................................................................................... 5-2

S3C8238 / C8235的中断结构..................................................................................................... 5-3

中断向量Addresses................................................................................................................... 5-5

启用/禁用中断指令（ EI ， DI ） ........................................ ............................................... 5-7

系统级中断控制Registers............................................................................................. 5-7

中断处理控制Points...................................................................................................... 5-8

外设中断控制寄存器.............................................. .................................................. 5-9 ..

系统模式寄存器（ SYM ） .............................................................................................................. 5-10

中断屏蔽寄存器（ IMR ） .............................................................................................................. 5-11

中断优先级寄存器（ IPR） ............................................................................................................ 5-12

中断请求寄存器(IRQ).......................................................................................................... 5-14

中断挂起功能类型........................................................................................................ 5-15

中断源轮询Sequence....................................................................................................... 5-16

中断服务程序.................................................................................................................... 5-16

发生中断向量地址.............................................. .................................................. 5-17

嵌套向量的Interrupts.............................................................................................................. 5-17






概观....................................................................................................................................................... 6-1

数据类型........................................................................................................................................... 6-1

寄存器寻址............................................................................................................................. 6-1

地址Modes................................................................................................................................ 6-1

标志寄存器（标志） ....................................................................................................................... 6-6

旗Descriptions.................................................................................................................................. 6-7

指令集符号........................................................................................................................ 6-8

条件代码................................................................................................................................... 6-12

指令说明........................................................................................................................ 6-13