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PDF uLCD-144 Data sheet ( Hoja de datos )
| Número de pieza | uLCD-144 | |
| Descripción | LCD Display Module | |
| Fabricantes | 4D Systems | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de uLCD-144 (archivo pdf) en la parte inferior de esta página. Total 18 Páginas | ||
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4D SYSTEMS
µLCD-144(SGC)
Serial LCD Display Module
Data Sheet
Document Date: 6th July 2010
Document Revision: 1.0
© 2010 4D Systems
www.DataSheet.in
www.4dsystems.com.au
Page 1 of 18
1 page  
µLCD-144(SGC)
1. Pin Configuration and Summary
Data Sheet
Pin Symbol I/O Description
1
3.3V
P
3.3V regulated output. Available current up to 50ma to power external
circuitry.
2
SOUND
O See section 2.2 for more detail.
3 GND P Supply Ground.
4
SWITCH
I See section 2.2 for more detail.
Master Reset signal. Internally pulled up to 3.3V via a 4.7K resistor. An
active Low pulse greater than 2 micro-seconds will reset the module. If
5
RESET
I
the module needs to be reset externally, only use open collector type
circuits. This pin is not driven low by any internal conditions. The host
should control this pin via one of its port pins using an open
collector/drain arrangement.
6 GND P Supply Ground.
7
RX
I
Asynchronous Serial Receive pin. Connect this pin to external device
Serial Transmit (Tx) signal. This pin is tolerant up to 5.0V levels.
Asynchronous Serial Transmit pin. Output data is at TTL voltage levels.
8 TX O Connect this pin to external device Serial Receive (Rx) signal. This pin is
tolerant up to 5.0V levels.
9
Vin
I
Main Voltage Supply +ve input pin. Reverse polarity protected. Range is
4.0V to 5.5V, nominal 5.0V.
© 2010 4D Systems
www.DataSheet.in
www.4dsystems.com.au
Page 5 of 18
5 Page 
µLCD-144(SGC)
Data Sheet
6. Programming - System Updates
The GOLDELOX-SGC processor on the uLCD-
144(SGC) module can be re-programmed with the
latest PmmC configuration for updates and future
proofing. The chip-level configuration is available
as a PmmC (Personality-module-micro-Code) file
and the programming must be performed over
the serial interface. All of the high level software
interface commands are part of the PmmC
configuration file so please check regularly for the
latest updates and enhancements.
It is recommended that the uLCD module be
socketed on the application board so that it can
be easily removed for PmmC programming.
The PmmC file is programmed into the device
with the aid of “PmmC Loader”, a PC based
software tool. To provide a link between the PC
and the uLCD module, a USB to Serial converter is
required. A range of custom made micro-USB
devices such as the uUSB-MB5 and the uUSB-CE5
are available from 4D Systems.
For further details refer to 'Section 9:
Development and Support Tools'.
7. LCD Screen Precautions
• Avoid having a White Background. The more
pixels that are lit up, the more the display
module will consume current. A full white
screen will have the highest power
consumption.
• Avoid displaying objects or text on White
Backgrounds. This will cause a smearing effect
which is inherent to all LCD displays. Instead
try a shaded mixed colour as the background
or better still a black background. Ideally have
mixed coloured objects/text/icons on a black
background.
• Avoid having to display the same image/object
on the screen for lengthy periods of time. This
will cause a burn-in which is a common
problem with all types of display technologies.
Blank the screen after a while or dim it very
low by adjusting the contrast. Better still;
implement a screen saver feature.
• The display can be easily scratched. The soft
polarisation film on the glass surface may be
damaged if rubbed by hard objects. Handle
with care to avoid scratching the display.
• Moisture and water can damage the display.
Moisture on the surface of a powered display
will cause the electrodes to corrode. Wipe off
any moisture gently or let the display dry
before usage.
• Dirt from fingerprint oil and fat can easily
stain the surface of the display. Gently wipe
off any stains with a soft lint-free cloth.
• The performance of the display will degrade
under high temperature and humidity. Avoid
such conditions when storing.
• Displays are susceptible to mechanical shock
and any force exerted on the module may
result in deformed zebra strips and cracks.
• Always use the mounting holes on the
module's printed circuit board to mount the
display.
© 2010 4D Systems
www.DataSheet.in
www.4dsystems.com.au
Page 11 of 18
11 Page | ||
| Páginas | Total 18 Páginas | |
| PDF Descargar | [ Datasheet uLCD-144.PDF ] | |
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