PD63 , 63A , 64
目录
1.引脚功能.........................................................................................................................
1.1
1.2
1.3
引脚功能一览表.........................................................................................................................
引脚的输入/输出电路......................................................................................................
与未使用引脚的处理................................................................................................................
6
6
7
8
2.内部CPU功能............................................. .................................................. .....
2.1
2.2
2.3
2.4
2.5
2.6
2.7
2.8
2.9
程序计数器(PC ) ......................................................................................................................
堆栈指针( SP ) .............................................................................................................................
地址堆栈寄存器( ASR ( RF ) ) ......................................... .................................................. ......
9
9
9
9
程序存储器(ROM) ................................................................................................................... 10
数据存储器(RAM) .......................................................................................................................... 10
数据指针( DP ) ............................................................................................................................... 11
累加器(A) ................................................................................................................................ 11
算术逻辑单元( ALU ) ...................................................................................................... 12
旗................................................................................................................................................... 12
2.9.1
2.9.2
状态标志( F) .......................................................................................................................... 12
进位标志( CY ) ........................................................................................................................ 13
3.端口寄存器( PX ) ............................................................................................................. 14
3.1
3.2
K
I / O
端口( P0)的....................................................................................................................................... 15
K
I
接口/特殊端口( P1 ) ................................................................................................................. 16
3.2.1
3.2.2
3.2.3
3.3
3.4
K
I
端口(P
11
: P1位4-7 ) ...................................................................................................... 16
S
0
端口( P1的第2位) ................................................................................................................... 16
S
1
/ LED ( P1口的第3位) .......................................................................................................... 16
控制寄存器0 ( P3 ) ..................................................................................................................... 17
控制寄存器1 ( P4 ) ..................................................................................................................... 18
4.定时器......................................................................................................................................... 19
4.1
4.2
4.3
4.4
定时器配置.......................................................................................................................... 19
定时器操作................................................................................................................................. 20
载波输出.................................................................................................................................... 21
定时器输出的软件控制............................................. .................................................. .... 21
5.待机功能................................................................................................................ 22
5.1
5.2
5.3
待机功能的概述............................................................................................................ 22
待机模式设置和发布............................................. .................................................. .... 23
待机模式发布时间........................................................................................................ 24
6. RESET引脚.................................................................................................................................. 26
7. POC电路(掩膜选项) .......................................... .................................................. .... 27
7.1
7.2
POC电路的功能.................................................................................................................. 28
振荡检查在低电源电压............................................ ........................................... 28
8.系统时钟振荡电路............................................ ................................... 29
4