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2.4 LCD Voltage and Clock Setting (JP2)
The LCD interface connector CN1 can provide 5V or 3.3V power supply
by selecting the JP2 (1,3,5) to meet the different LCD requirement. And
the JP2 (2,4,6) can provide normal or inverted Shift CLOCK for LCD.
JP2 (1,3,5)
DESCRIPTION
1-3
5V
3-5
3.3V
JP2 (2,4,6)
DESCRIPTION
2-4
Shift Clock (Normal)
4-6
Shift Clock invert
2.5 Compact Flash Setting (JP4)
Set the operating mode of CompactFlash disk
•
JP4 : Compact Flash Setting
Address
JP4
MASTER CLOSE
SLAVE
OPEN
2.6 COM2 Setting JP5,JP6(2,4,6)
The COM2 (CN21) can 5V or +12V power to the
serial devices via RI pin (Pin 8) of the COM port connector.
The max. current is 1A with fuse protection, from these two
connector’s 5V/12V output. If the output is set to 12V, make
sure that you have 12V to supply to the board.
CN21 Pin 8 JP5(2,4,6) JP5(1,3,5)
RI Signal
4-6
Don’t care
+5V
2-4
1-3
+12V
2-4 3-5
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COM2 RS-232, RS-422 or RS-485 Setting JP6(2,4,6)(Optional)
The COM2 (CN21) can be set to RS-232 or RS-422/485 for
industrial field site application. Moreover when this port set to
the RS-485 mode the board equipped self-tuner IC will
automatic sensing the data direction to eliminate the data
collision. This is especially important in WINDOWS
programming which do not allow the program to catch the
control pin at your wish.About the RS422 and RS485
function, It’s optional for customer.
JP6(2,4,6)
DESCRIPTION
2-4
RS232
4-6 RS422/RS485
2.7 Clear CMOS Setup (JP6/1,3,5)
If you need to clear the CMOS Setup (for example forgot the
password you should clear the setup and then set the
password again.), you should close the JP6(3,5) about 3
seconds, then open it again. Set back to normal operation
mode.
•
JP6/1,3,5: Clear CMOS Setup (Reserve Function)
JP6(1,3,5)
DESCRIPTION
1-3
Normal Operation
3-5
Clear CMOS Setup
