目录
第1章
1.1
1.2
1.3
1.4
1.5
1.6
1.7
1.8
概述....................................................................................................1
产品特点.................................................................................................................................................2
产品系列.......................................................................................................................................4
框图........................................................................................................................................5
引脚分配.....................................................................................................................................6
封装尺寸............................................................................................................................10
引脚功能........................................................................................................................................14
I / O电路类型...................................................................................................................................18
对处理设备的注意事项..................................................................................................................20
第2章
2.1
2.2
2.3
2.4
2.4.1
2.4.2
2.5
2.6
2.7
2.7.1
2.7.2
2.7.3
2.7.4
2.7.5
2.7.6
2.7.7
2.7.8
2.7.9
2.8
2.9
2.9.1
2.9.2
2.9.3
2.9.4
中央处理器..............................................................................................................23
中央处理器......................................................................................................................................................24
存储空间......................................................................................................................................26
存储器映射.......................................................................................................................................28
地址............................................................................................................................................29
线性寻址...........................................................................................................................30
银行地址..............................................................................................................................32
多字节数据的存储位置......................................................................................................34
注册...............................................................................................................................................36
专用寄存器.............................................................................................................................38
累加器(A) ...............................................................................................................................40
堆栈指针( USP , SSP ) .............................................................................................................44
处理器状态( PS)的.....................................................................................................................46
条件代码寄存器( PS : CCR ) .......................................... .................................................. ...... 48
寄存器组指针( PS : RP ) .......................................................................................................50
中断级屏蔽寄存器( PS : ILM ) ......................................... .................................................. 0.51
程序计数器(PC ) .....................................................................................................................52
直接页寄存器( DPR ) ............................................................................................................53
银行寄存器(PCB , DTB , USB , SSB , ADB) ..................................... ........................................... 54
通用寄存器..................................................................................................................56
前缀码.........................................................................................................................................58
银行选择前缀(PCB , DTB ,亚洲开发银行,国家邮政局) ...................................... ................................................ 60
通用寄存器组的前缀( CMR ) ........................................... .................................................. ..62
标志的变化抑制前缀( NCC ) ........................................... ................................................ 63
在前缀码的限制...........................................................................................................64
第3章
3.1
3.2
3.3
3.4
3.5
3.6
复位.......................................................................................................67
复位..................................................................................................................................................68
复位的原因和振荡稳定等待时间间隔........................................... ........................ 70
外部复位引脚................................................................................................................................72
复位操作....................................................................................................................................74
复位原因位..................................................................................................................................76
引脚在复位状态......................................................................................................................78
iii
MB90560系列