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Page 10
Mechanical Interface
Interface
Pin
Type
I/O*
Description
PIN 1
Flash Download
I
Operation Mode Control:
Flash Download Mode – Level Low when engine is
»
powered on;
Normal Mode – otherwise.
»
If useres don
’
t need the
function, it can be not connected(N/C).
Pin 2
VCC
P
DC 3.3
±
0.3V
Pin 3
Ground
GND Ground
Pin 4
TXD
O
RS233 Receiving, TTL
Pin 5
RXD
I
RS232 Transmission, TTL
Pin 6
Reserved for CTS
Reserved for CTS, not implemented
Pin 7
Reserved for RTS
Reserved for RTS, not implemented
Pin 8
N/C
Not connected
Pin 9
Beeper
O
Beeper output. Need an external current ampli
fi
er.
Pin 10
DLED
O
Decode LED. Need an external current ampli
fi
er.
Pin 11
N/C
Not connected
Pin 12
Trigger
I
Trigger read and decode
* I/O De
fi
nitions: I – Input, O – Output, and P – Power, GND – Ground
Interface Socket Pin Assignment and De
fi
nition
Pin 12
Pin 1
Содержание NLS-EM1300
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Страница 16: ...nlscan com Page 7 Introduction Mechanical Interface This section describes theMechanical Interface...
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