PD17215 , 17216 , 17217 , 17218
目录
1.
引脚功能..............................................................................................................................
1.1
1.2
1.3
1.4
引脚功能列表.....................................................................................................................................
输入/输出电路...............................................................................................................................
未使用引脚的处理.....................................................................................................................
在使用INT和RESET引脚的注意事项.....................................................................................................
7
7
8
9
9
2.
存储器空间.............................................................................................................................
2.1
2.2
2.3
2.4
2.5
程序计数器(PC ) ............................................................................................................................
程序存储器(ROM) ........................................................................................................................
堆.......................................................................................................................................................
数据存储器(RAM) ...............................................................................................................................
寄存器文件( RF ) ...................................................................................................................................
10
10
10
12
14
21
3.
PORTS ..............................................................................................................................................
3.1
3.2
3.3
3.4
3.5
3.6
3.7
3.8
端口0A ( P0A
0
-P0A
3
) ...............................................................................................................................
港口0B ( P0B
0
-P0B
3
) ...............................................................................................................................
端口0℃ ( P0C
0
-P0C
3
) ..............................................................................................................................
口0D ( P0D
0
-P0D
3
) ..............................................................................................................................
端口0E ( P0E
0
-P0E
3
) ...............................................................................................................................
INT引脚....................................................................................................................................................
开关位I / O .....................................................................................................................................
指定拉Sesistor连接............................................ .................................................. .....
24
24
24
24
24
24
25
26
27
4.
时钟发生器电路......................................................................................................
4.1
指令执行时间( CPU时钟)选择.......................................... .......................................
28
28
5.
8位定时器和遥控器载波发生器电路........................
5.1
5.2
5.3
8位定时器(带取模功能)配置....................................... ..........................................
8位定时器(带取模功能)功能....................................... .................................................
载波发生器电路遥控器............................................ ..........................................
29
29
31
32
6.
基本间隔定时器/看门狗定时器............................................ .................................
6.1
6.2
6.3
时钟源为基本间隔定时器.....................................................................................................
控制基本间隔定时器..............................................................................................................
操作时序看门狗定时器............................................. .................................................. .....
36
36
36
38
7.
中断功能................................................................................................................
7.1
7.2
7.3
中断源....................................................................................................................................
中断控制电路的硬件......................................................................................................
中断序列.................................................................................................................................
39
39
40
44
5