EADOG

Page 7

ELECTRONIC ASSEMBLY reserves

the right to change specifications

without prior notice. Printing and

typographical

errors

reserved.

12:00 VIEWING ANGLE,TOP VIEW OPTION

If the display is read mostly from above (on the front of a laboratory power supply

unit, for example), the preferred angle of viewing can be set to 12 o’clock. This

rotaties the display by 180°. A slightly different initialization

setup is required for this. Also keep in mind that the leftmost

column (normally numbered as 0) will now change to 4.

Initialisation example top view

Command

A0

D7

D6

D5

D4

D3

D2

D1

D0

Hex

Re mark

(8) ADC set

0

1

0

1

0

0

0

0

0

$A0 ADC normal

(15) Common output mode select

0

1

1

0

0

1

0

0

0

$C8 Reverse COM63~COM0

TOUCH PANEL EA TOUCH128-2 (OPTIONAL)

An analog touch panel is available as an accessory. It has a self-adhesive material on its rear surface and is

simply stuck onto the display. The connection is made by means of a 4-pin flexible cable for a ZIF connector

(e.g. EA WF100-04S) with a grid of 1.0 mm. Bending radius is

defined with min. 5mm. For optimum readability we recommend

that you use a backlight with the display.

Interfacing to a processor

can be either done by an

external

touch

panel

controller

or

with

a

controller that is featured

with analogue input. The

touch panel is similar to a

potentiometer: connecting

a voltage of e.g. 3.3V to the

pins Top-Bottom makes it

possible to read out a

voltage on pin Left or Right

which is linear to the Y-

coordinate of the pressed

point. The X-coordinate will

result when the voltage will

be supplied to Left-Right and measurement is done at Top or Bottom.

The pinout of the connecting cable is shown in the drawing.

USB-TEST BOARD EA 9780-2USB

For easy startup, a USB test board is available that can be connected to a PC. A USB cable and Windows

software is supplied with the product. This allows text and images (BMP) to

displayed directly on the connected display. You will find more information

on the test board in the EA 9780-2USB data sheet.

SIMULATION WITH WINDOWS

A simulator window also displays the contents of the display. The software

can simulate all the displays and colors even without the hardware. You can

download the software free from our website:

http://www.lcd-module.de/deu/disk/startdog.zip

Specification

Specification

min

max

Unit

Top-Bottom

100

400

Ω

Left-Right

110

410

Ω

Voltage

3

12

V

Current

5

25

mA

Linearity

1,5

%

Force

45

65

g

Contact

Bounce

5

10

ms

Op.

Temperatur

-20

+60

°C

Stor.

Temperatur

-20

+70

°C

Transmission

75

85

%

Life Time

10000

Cycles

Orientation for 12 o’clock

(Top View)