OM6290 NXP Semiconductors, OM6290 Datasheet - Page 8

• Manufacturer Part Number: OM6290
• Description: DEMO BOARD LCD GRAPHIC DRIVER
• Manufacturer: NXP Semiconductors

Specifications of OM6290

• Main Purpose: Displays, LCD Controller
• Embedded: Yes, MCU, 16/32-Bit
• Utilized Ic / Part: PCF2119, PCF8531, PCF8576
• Primary Attributes: Character, Graphic and Segment LCD Drivers
• Secondary Attributes: JTAG, I²C, UART & USB Interfaces
• Description/function: Demo Board
• Interface Type: USB, I2C, JTAG, UART
• Data Bus Width: 4 bit, 8 bit, 16 bit
• Operating Voltage: 1.8 V to 5.5 V
• For Use With/related Products: PCF8576DT, PCF2119S, PCF8531
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant
• Other names: 568-4703

NXP Semiconductors
3. The LCD Drivers
UM10300_1
User manual
LCD1 shows three lines of text, with in the right bottom corner the version number. Upon
pressing any of the switches SW1, SW2 or SW3 the backlight of LCD3 turns on.
LCD1.
Power on: The NXP logo is displayed. Starting from v1.1, the following text is displayed
over three lines,:
When pressing SW1 the displayed pattern changes to the NXP logo and subsequent
operation of SW1 results in alternating between the NXP logo, displaying the type
number of the driver (PCF8531) and displaying a face.
LCD2.
At power on the message “ * welcome * ” enters the upper line, shifting from right to left.
This shows the ‘display shift’ feature. After that the message “Please press SW1, 2 or 3”
appears. When SW2 is pressed, the display shows “NXP Insightful”. Pressing once more
results in “NXP Inventive”. Consecutive pressing of SW2 results in cycling through texts
“NXP Engaging”, “NXP Excellence”, “USE SW3 FOR BACKLIGHT” and
“NXP PCF2119s”. Hereafter the cycle starts again.
When the message “USE SW3 FOR BACKLIGHT” is displayed, SW3 does not control
what is being displayed on LCD3, but instead changes the backlight colour and/or
intensity when pressed. Also note that only when this message is displayed, a cursor is
seen blinking on the right of the message. This demonstrates the feature ‘cursor blink’ of
the PCF2119.
LCD3.
Power on: The display is blank, then after a few seconds the counter read “000”.
Pressing SW1 – SW3 increments the count. Pressing SW3 once results in the text “CH”
being displayed. Operating SW3 a 2
SW3 is pressed a 3
The board contains three different types of LCD drivers. This chapter describes the used
drivers on the board. The key values of NXP LCD drivers are listed below.
“NXP founded by Philips”
“For the latest updates”
“visit www.nxp.com”
Segment drivers:
Character drivers:
Graphic drivers (dot matrix):
•
•
•
High segment count, leading in number of segments supported per
single device; 60 x 4, 80 x 4, 160 x 4;
AEC-Q100 automotive qualification.
Separate icon row for versatile usage.
rd
time, it restarts the cycle with a blank display again.
Rev. 1.0— 8 August 2008
nd
time results in all segments being lit up. When now
User Manual OM6290
UM10300
© NXP B.V. 2008. All rights reserved.
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