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3
1.3.2 Scan engine interface without decoding
Interface circuit is a ZIP (0.5mm-8p) interface which communicates with outside world.
It’s the microprocessor that controls the scan engine’s work and takes the data to
decode.
Pin NO.
Pin Name
Description
1
、
2
GND
Ground
3
SOS
Scan starting signal:
When the laser line reaches the edge, the signal will
transform from high to low or from low to high in order
to detect the start and finish of a scan.
4
DATA
The width of the DATA signal stands for the width of
black and white bars. The output is CMOS level.
High level=Bars, Low level=Spaces
5
TRIG
Allowing Trigger scanning signal:
TRIG=High: The scan engine will enter a power-saving
mode;
TRIG=Low: The scan circuit will be activated to the
ready state.
6
LASER-EN
Activation signal
LASER-EN=High or not connected: The laser will be
closed;
LASER-EN=Low and TRIG=Low: The scan engine
circuit will be activated and ready to scan barcodes. The
laser will open.
7
IR-TRIG
Optional, IR trigger pin, only for WSL3000
8
VCC
Power Supply: DC 5V
Содержание SC050
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Страница 77: ...71 4 17 15 All barcodes setting Command SET Disable All barcodes I1000 Enable All barcodes I1001 END...
Страница 86: ...80 Insert 2B Insert 2D Insert 2A Insert A 41 Insert B 42 Insert C 43 END...
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Страница 96: ...90 5 35 6 36 7 37 8 38 9 39 3A 3B 3C 3D 3E 3F 40 A 41 B 42 C 43 D 44 E 45 F 46 G 47...
Страница 97: ...91 H 48 I 49 J 4A K 4B L 4C M 4D N 4E O 4F P 50 Q 51 R 52 S 53 T 54 U 55 V 56 W 57 X 58 Y 59 Z 5A...
Страница 98: ...92 5B 5C 5D 5E _ 5F 60 a 61 b 62 c 63 d 64 e 65 f 66 g 67 h 68 i 69 j 6A k 6B l 6C m 6D...
Страница 99: ...93 n 6E o 6F p 70 q 71 r 72 s 73 t 74 u 75 v 76 w 77 x 78 y 79 z 7A 7B 7C 7D 7E DEL 7F...