Avalue EEV-EX03 User Manual
Page 34

EEV-EX03
34 EEV-EX03 Quick Installation Guide
LCDDO15
-
Even Txout2
LCDDO16
-
Even Txclk#
LCDDO17
-
Even Txclk
LCDDO18
-
Even Txout3#
LCDDO19
-
Even Txout3
BIASON
Controls panel contrast voltage.
DIGON
Controls panel digital power.
ENBKL#
Controls backlight power enable.
I
2
C_DAT, I
2
C_CLK
I
2
C interface for panel parameter EEPROM. This EERPOM is mounted on the
LVDS receiver. The data in the EEPROM allows the EXT module to automatically
set the proper timing parameters for a specific LCD panel.
2.3.31.2 IrDA (SIR) Signals
Signal
Signal Description
IRTX, IRRX
Infrared transmit and receive pins.
2.3.31.3 Parallel Port Signals
Signal
Signal Description
STB#
This active-low signal is used to strobe the printer data into the printer.
AFD#
This active-low output tells the printer to automatically feed the next single line
after each preceding line has been printed.
PD[0:7]
This bi-directional parallel data bus is used to transfer information between the
CPU and the peripherals.
ERR#
This active-low signal indicates an error situation has occurred at the printer.
INIT#
This active-low signal is used to initiate the printer when low.
SLIN#
This active-low signal selects the printer.
ACK#
This active-low output from the printer indicates that it has received the previous
data and that it is ready to receive new data.
2.3.31.4 PS/2 Keyboard and Mouse Signals
Signal
Signal Description
KBDAT
Bi-directional keyboard data signal.
KBCLK
Keyboard clock signal.
MSDAT
Bi-directional mouse data signal.
MSCLK
Mouse clock signal.