SN8P2604A 参数 Datasheet PDF下载

SN8P2604A

8位微控制器

目录

AMENDENT HISTORY................................................................................................................................ 2

1

1

产品OVERVIEW......................................................................................................................... 7

1.1

1.2

1.3

1.4

1.5

2

2

特点........................................................................................................................................ 7

系统框图.......................................................................................................... 9

引脚分配......................................................................................................................... 10

PIN DESCRIPTIONS....................................................................................................................... 11

引脚电路DIAGRAMS............................................................................................................. 12

中央处理单元（CPU） ............................................ .................................................. 13

2.1

记忆MAP............................................................................................................................... 13

2.1.1

程序存储器（ ROM ） ............................................. .................................................. 13

2.1.1.1复位向量（ 0000H ） .......................................... .................................................. ...... 14

2.1.1.2中断向量（0008h ） .......................................... ............................................... 15

2.1.1.3查表说明.......................................... .......................................... 17

2.1.1.4跳转表............................................ ............................................... 19

2.1.1.5校验CALCULATION........................................................................................... 21

2.1.2

编译选项TABLE.......................................................................................................... 22

2.1.3

数据存储器（ RAM ） ....................................................................................................... 23

2.1.4

系统寄存器.............................................................................................................. 24

2.1.4.1系统寄存器表............................................ ................................................ 24

的系统寄存器2.1.4.2位定义.......................................... ............................. 25

2.1.4.3累加器............................................................................................................... 26

2.1.4.4程序FLAG ............................................................................................................... 27

2.1.4.5程序COUNTER....................................................................................................... 28

2.1.4.6 H，L REGISTERS................................................................................................................. 31

2.1.4.7 Y，Z REGISTERS................................................................................................................. 32

2.1.4.8寄存器R ..................................................................................................................... 33

2.2

寻址模式.................................................................................................................... 34

2.2.1

立即寻址方式............................................... ..................................... 34

2.2.2

直接寻址............................................... ........................................ 34

2.2.3

间接寻址............................................... .................................... 34

2.3

STACK OPERATION...................................................................................................................... 35

2.3.1

OVERVIEW............................................................................................................................. 35

2.3.2

STACK REGISTERS............................................................................................................... 36

2.3.3

堆栈操作举例............................................... ........................................... 37

3

3

RESET ..................................................................................................................................................... 38

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