1
cts
input
clear to sendcontrolsignal.
2
rts/pc/data
output
request to send control signalandpc/at kb/port data signal
3
gnd
-----
system ground
4
led/out
output
h=led off
l=led on
active low output used toindicatea valid barcode decode.
5
trig
input
l=start
session
h=inactive
used to startdecodesession.
6
beeper/out
output
h=normal
l=active
pulse width modulated outputusedto control an external beeper.
7
usb+
output
positive differential datasignalfor the usb bus.
8
usb-
output
negative differential datasignalfor the usb bus
9
kben
output
keyboard interface control k/bics/w4066 use
10
txd
output
transmit data
11
rxd/pc/clk
input/
output
receive data and pc/at kb/portclksignal
12
vdd
-----
power input dc+3.2～5.25v
按以上接脚定义连接，即可实现扫描功能。（串口，usb，k/b都无需任何转换连接基板）

---

深圳市仁伟达科技有限公司
魏微
15989325010
深圳市宝安区西乡固戍新村塘西工业区B栋5楼