SN8P2602B
8-Bit Micro-Controller
5.3
唤醒时间...........................................................................................................................................................................
48
5.3.1
概述
........................................................................................................................................................................ 48
5.3.2
唤醒时间
................................................................................................................................................................. 48
5.3.3
P1W
唤醒控制寄存器..............................................................................................................................................
48
6
6
中断
........................................................................................................................................................................................... 49
6
6.1
概述..................................................................................................................................................................................
49
6.2
中断请求�½��½寄存器
INTEN ............................................................................................................................................. 49
6.3
中断请求寄存器
INTRQ .................................................................................................................................................... 50
6.4
GIE
全局中断....................................................................................................................................................................
50
6.5
PUSH, POP
处理..............................................................................................................................................................
51
6.6
INT0(P0.0)中断 ................................................................................................................................................................ 52
6.7
T0
中断.............................................................................................................................................................................
53
6.8
TC0
中断
.......................................................................................................................................................................... 54
6.9
多中断操�½�举例
................................................................................................................................................................ 55
7
7
I/O
口
......................................................................................................................................................................................... 56
7
7.1
I/O
模式
............................................................................................................................................................................ 56
7.2
I/O
口上拉电阻寄存器.......................................................................................................................................................
57
7.3
I/O
漏极开路寄存器
.......................................................................................................................................................... 58
7.4
I/O
口数据寄存器
.............................................................................................................................................................. 59
8
8
定时器........................................................................................................................................................................................
60
8
8.1
看门狗定时器....................................................................................................................................................................
60
8.2
定时器
T0 ......................................................................................................................................................................... 61
8.2.1
概述
........................................................................................................................................................................ 61
8.2.2
模式寄存器
T0M...................................................................................................................................................... 61
8.2.3
计数寄存器
T0C ...................................................................................................................................................... 62
8.2.4
T0
操�½�时序
............................................................................................................................................................ 63
8.3
定时/计数器
TC0 .............................................................................................................................................................. 64
8.3.1
概述
........................................................................................................................................................................ 64
8.3.2
模式寄存器
TC0M ................................................................................................................................................... 65
8.3.3
计数寄存器
TC0C ................................................................................................................................................... 66
8.3.4
自动重�½½寄存器
TC0R ............................................................................................................................................ 67
8.3.5
TC0
时钟频率输出(蜂鸣器输出)
.............................................................................................................................. 68
8.3.6
TC0
操�½�举例..........................................................................................................................................................
69
8.4
PWM0 .............................................................................................................................................................................. 70
8.4.1
概述
........................................................................................................................................................................ 70
8.4.2
TC0IRQ
和
PWM
输出占空比..................................................................................................................................
71
8.4.3
PWM
输出占空比与
TC0R
的变化...........................................................................................................................
72
8.4.4
PWM
编程举例........................................................................................................................................................
73
9
9
电气特性
.................................................................................................................................................................................... 74
9
10
10
OTP
烧�½�脚�½�
............................................................................................................................................................................ 75
10
10.1
E
ASY
W
RITER
�½�接板烧�½�脚�½�图
....................................................................................................................................... 75
10.2
烧�½�脚�½�
...................................................................................................................................................................... 76
11
11
SN8P2602A
升级为
SN8P2602B
注意事项
............................................................................................................................... 77
11
12
12
封装信息
............................................................................................................................................................................... 78
12
12.1
P-DIP 18 PIN .................................................................................................................................................................... 78
12.2
SOP 18 PIN ...................................................................................................................................................................... 79
12.3
SSOP 20 PIN.................................................................................................................................................................... 80
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4
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