Datasheet

DE2110 2D Scan Engine
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Host Interface Connector
The following table lists the pin functions of the ffc 12pin pitch 0.5,host interface
connector on the DE2120
PIN#
Signal
Type
Definition
1
-
-
N/A
2
VCC
P
Power supply 3.3
3
GND
P
Ground
4
RXD
Input
TTL-RS232 receive
5
TXD
Output
TTL-RS232 send
6
D-
Input/Output
USB D- signal
7
D+
Input/Output
USB D+ signal
8
-
-
N/A
9
BUZ
Output
Buzzer Output, free Low level
10
LED
Output
Decoding LED input signal, low
level instruction reading codes
successfully.
11
-
-
N/A
12
TRIG
Input
Trigger pin, keep low power level
can trigger decoding.