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SMBP2501BPB Datasheet(PDF) 70 Page - SONiX Technology Company

Part # SMBP2501BPB
Description  8-Bit Micro-Controller
PDF  107 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
Manufacturer  SONIX [SONiX Technology Company]
Direct Link  http://www.sonix.com.tw
Logo SONIX - SONiX Technology Company

SMBP2501BPB Datasheet(HTML) 70 Page - SONiX Technology Company

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SN8P2501B
8-Bit Micro-Controller
SONiX TECHNOLOGY CO., LTD
Page 70
Version 2.1
7
7
7 I/O PORT
7.1 I/O PORT MODE
The port direction is programmed by PnM register. All I/O ports can select input or output direction.
0B8H
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
P0M
-
-
-
-
-
-
-
P00M
Read/Write
-
-
-
-
-
-
-
R/W
After reset
-
-
-
-
-
-
-
0
0C1H
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
P1M
-
-
-
-
P13M
P12M
-
P10M
Read/Write
-
-
-
-
R/W
R/W
-
R/W
After reset
-
-
-
-
0
0
-
0
0C2H
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
P2M
-
-
P25M
P24M
P23M
P22M
P21M
P20M
Read/Write
-
-
R/W
R/W
R/W
R/W
R/W
R/W
After reset
-
-
0
0
0
0
0
0
0C5H
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
P5M
-
-
-
P54M
-
-
-
-
Read/Write
-
-
-
R/W
-
-
-
-
After reset
-
-
-
0
-
-
-
-
Bit[7:0]
PnM[7:0]: Pn mode control bits. (n = 0~5).
0 = Pn is input mode.
1 = Pn is output mode.
Note:
1.
Users can program them by bit control instructions (B0BSET, B0BCLR).
2.
P1.1 is input only pin, and the P1M.1 keeps
“1”.
Example: I/O mode selecting
CLR
P0M
; Set all ports to be input mode.
CLR
P1M
CLR
P5M
MOV
A, #0FFH
; Set all ports to be output mode.
B0MOV
P0M, A
B0MOV
P1M, A
B0MOV
P5M, A
B0BCLR
P1M.2
; Set P1.2 to be input mode.
B0BSET
P1M.2
; Set P1.2 to be output mode.



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