Table of Contents
Advertisement
Pinout of J2
PIN
Signal
1
-
2
VCC
3
GND
4
RXD
5
TXD
6
USB-
7
USB+
8
-
9
BUZ
10
LED
11
nWake
12
nTrig
12-pin FFC Cable Installation
Not connected.
3.3V power supply.
Power-supply ground.
TTL level 232 receive data
TTL level 232 transmit data.
USB D- differential data signal.
USB D+ differential data signal.
Not connected.
Beeper output.
Good Read LED output.
Reset signal input. The PIN is conneted to the Key K2. Press the Key K2,
and EVK3030 will enter the low level state. Keep the low level above 100 us
to reset the scan engine.
Trigger signal input.
Function
5
Advertisement
Table of Contents
