SN8P275X Series
8-bit micro-controller build-in 12-bit ADC
SONiX TECHNOLOGY CO., LTD
Page 80
Version 0.7
7.3 I/O PORT DATA REGISTER
0D0H
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
P0
- - - - -
P02
P01
P00
Read/Write
- - - - -
R/W
R/W
R/W
After
reset
- - - - - 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
¾
Example: Read data from input port.
B0MOV
A, P0
; Read data from Port 0
B0MOV
A, P4
; Read data from Port 4
B0MOV
A, P5
; Read data from Port 5
¾
Example: Write data to output port.
MOV
A, #0FFH
; Write data FFH to all Port.
B0MOV
P0,
A
B0MOV
P4,
A
B0MOV
P5,
A
¾
Example: Write one bit data to output port.
B0BSET
P4.0
; Set P4.0 and P5.3 to be “1”.
B0BSET
P5.3
B0BCLR
P4.0
; Set P4.0 and P5.3 to be “0”.
B0BCLR
P5.3