3
(SFRs) ..................................
66
3.1
66
3.2
(SRAM) ................................................................................
67
3.2.1
RAM
....................................................................................................67
3.2.2
RAM
.............................................................................................69
3.2.3
64KB
RAM
....................................................77
3.3
(SFRs) ...........................................................................
80
4
STC12C5A60S2
I/O
87
4.1
I/O
87
4.2
STC12C5A60S2
P4/P5
92
4.3
I/O
94
4.3.1
............................................................................................... 94
4.3.2
强
................................................................................................... 95
4.3.3
....................................................................................... 95
4.3.4
..................................................95
4.4
97
4.5
97
4.6
3V/5V
I/O
97
4.7
I/O
98
4.8
PWM
I/O
99
4.9
I/O
LED
100
4.10
I/O
LCD
101
4.11
A/D
102
5
103
5.1
103
5.1.1
...................................................................................................103
5.1.2
...................................................................................................103
5.1.3
...................................................................................................103
5.1.4
................................................................................................104
5.1.5
...................................................................................................104
5.1.6
...................................................................................................104
5.1.7
.......................................................................................................104
5.2
105
5.3
8051
110
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