SN8P26L38
8-Bit Micro-Controller
SONiX TECHNOLOGY CO., LTD
Page 82
Version 1.5
7.5
I/O PORT DATA REGISTER
0D0H
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
P0
P07
P06
P05
P04
P03
P02
P01
P00
Read/Write
R/W
R/W
R/W
R/W
R/W
R
R/W
R/W
After reset
0
0
0
0
0
0
0
0
0D1H
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
P1
P17
P16
P15
P14
P13
P12
P11
P10
Read/Write
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
After reset
0
0
0
0
0
0
0
0
0D2H
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
P2
P27
P26
P25
P24
P23
P22
P21
P20
Read/Write
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
After reset
0
0
0
0
0
0
0
0
0D3H
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
P3
-
-
-
-
P33
P32
P31
P30
Read/Write
-
-
-
-
R/W
R/W
R/W
R/W
After reset
-
-
-
-
0
0
0
0
0D4H
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
P4
P47
P46
P45
P44
P43
P42
P41
P40
Read/Write
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
After reset
0
0
0
0
0
0
0
0
0D5H
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
P5
P57
P56
P55
P54
P53
P52
P51
P50
Read/Write
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
After reset
0
0
0
0
0
0
0
0
Note: The P02 keeps
“1” when external reset enable by code option.
Example: Read data from input port.
B0MOV
A, P0
; Read data from Port 0
B0MOV
A, P1
; Read data from Port 1
B0MOV
A, P5
; Read data from Port 5
Example: Write data to output port.
MOV
A, #0FFH
; Write data FFH to all Port.
B0MOV
P0, A
B0MOV
P1, A
B0MOV
P5, A
Example: Write one bit data to output port.
B0BSET
P1.3
; Set P1.3 and P5.4 to be
“1”.
B0BSET
P5.4
B0BCLR
P1.3
; Set P1.3 and P5.4 to be
“0”.
B0BCLR
P5.4