SN8P2808
8-bit micro-controller build-in 4*32 LCD and 12-bit ADC.
6.3 I/O 口数据寄存器
0D0H
P0
读/写
复位后
Bit 7
-
-
Bit 6
-
-
Bit 5
-
-
Bit 4
-
-
Bit 3
P03
R
Bit 2
P02
R/W
Bit 1
P01
R/W
Bit 0
P00
R/W
-
-
-
-
0
0
0
0
0D1H
P1
读/写
复位后
Bit 7
-
-
Bit 6
-
-
Bit 5
-
-
Bit 4
-
-
Bit 3
-
-
Bit 2
-
-
Bit 1
-
-
Bit 0
P10
R/W
-
-
-
-
-
-
-
0
0D2H
P2
读/写
复位后
Bit 7
P27
R/W
Bit 6
P26
R/W
Bit 5
P25
R/W
Bit 4
P24
R/W
Bit 3
P23
R/W
Bit 2
P22
R/W
Bit 1
P21
R/W
Bit 0
P20
R/W
0
0
0
0
0
0
0
0
0D4H
P4
读/写
复位后
Bit 7
P47
R/W
Bit 6
P46
R/W
Bit 5
P45
R/W
Bit 4
P44
R/W
Bit 3
P43
R/W
Bit 2
P42
R/W
Bit 1
P41
R/W
Bit 0
P40
R/W
0
0
0
0
0
0
0
0
0D5H
P5
读/写
复位后
Bit 7
-
-
Bit 6
-
-
Bit 5
P55
R/W
Bit 4
P54
R/W
Bit 3
P53
R/W
Bit 2
P52
R/W
Bit 1
P51
R/W
Bit 0
P50
R/W
-
-
0
0
0
0
0
0
¾
注：通过编译选项使能外部复位时，P0.3 保持为“1”。
例：读取输入口的数据。.
B0MOV
A, P0
; 读取P0、P1、P2 和P5 口的数据。
B0MOV
B0MOV
B0MOV
A, P1
A, P2
A, P5
¾
¾
例：写入数据到输出端口。
MOV
A, #0FFH
; 写入数据0FFH 到P0、P1、P2 和P5。
B0MOV
B0MOV
B0MOV
B0MOV
P0, A
P1, A
P2, A
P5, A
例：写入1 位数据到输出端口。
B0BSET
B0BSET
P1.0
P5.3
; P1.0 和P5.3 置1。
; P1.0 和P5.3 置0。
B0BCLR
B0BCLR
P1.0
P5.3
SONiX TECHNOLOGY CO., LTD
Page 55
Version 1.1
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