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SN8P1602AX Datasheet(PDF) 73 Page - SONiX Technology Company

Part # SN8P1602AX
Description  8-Bit Micro-Controller
PDF  94 Pages
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Manufacturer  SONIX [SONiX Technology Company]
Direct Link  http://www.sonix.com.tw
Logo SONIX - SONiX Technology Company

SN8P1602AX Datasheet(HTML) 73 Page - SONiX Technology Company

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SN8P1600
8-bit micro-controller
SONiX TECHNOLOGY CO., LTD
Page 73
Revision 1.94
I/O PORT MODE
The port direction is programmed by PnM register. Port 0 is always input mode. Port 1 and Port 2 can select input or
output direction. The each bit of PnM is set to “0”, the I/O pin is input mode. The each bit of PnM is set to “1”, the I/O
pin is output mode.
SN8P1602/1603
0C1H
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
P1M
0
0
0
P14M
P13M
P12M
P11M
P10M
Read/Write
-
-
-
R/W
R/W
R/W
R/W
R/W
After reset
-
-
-
0
0
0
0
0
SN8P1604
0C1H
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
P1M
P17M
P16M
P15M
P14M
P13M
P12M
P11M
P10M
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
SN8P1602/1603/1604
0C2H
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
P2M
P27M
P26M
P25M
P24M
P23M
P22M
P21M
P20M
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
SN8P1604
0C5H
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
P5M
0
0
0
0
P53M
P52M
P51M
P50M
Read/Write
-
-
-
-
R/W
R/W
R/W
R/W
After reset
-
-
-
-
0
0
0
0
The PnM registers are read/write bi-direction registers. Users can program them by bit control
instructions (B0BSET, B0BCLR).
Example: I/O mode selecting.
CLR
P1M
; Set all ports to be input mode.
CLR
P2M
MOV
A, #0FFH
; Set all ports to be output mode.
B0MOV
P1M, A
B0MOV
P2M, 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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