PK202-25 Matrix Orbital, PK202-25 Datasheet - Page 5

• Manufacturer Part Number: PK202-25
• Description: LCD Character Display Modules Black Background Yel/Grn Text
• Manufacturer: Matrix Orbital
• Series: PK202-25r

Specifications of PK202-25

• Character Count X Line: 20 x 2
• Module Size (w X H X T): 116 mm x 37 mm x 25.73 mm
• Background Color: Black
• Backlight Type: LED Yellow / Green
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

1 Introduction
1.1 What to Expect From the PK202-25
from a single board, special purpose micro-controller to a PC, depending on the application. This controller
is responsible for what is displayed on the screen of the display.
screen. Text fonts are built in, and use standard ASCII mapping. Provision is made for up to 8 user defined
characters.
Brightness is adjustable to compensate for differing lighting conditions.
by issuing commands to the display unit. These can be used for controlling LEDs, relays, etc.
1.2 What Not to Expect From the PK202-25
acters.
Matrix Orbital
The PK202-25 comes equipped with the following features:
• 20 column by 2 line text PLED display
• Built in font with provision for up to 8 user defined characters
• Speeds from 1200 bps to a lighting fast 19.2 Kbps over RS-232
• Communication over RS-232 or I
• Use of up to 127 modules on the same 2 wire I
• 1-wire bus that is capable of communicating with many devices over a single wire plus a ground
• Fully buffered so that no delays in transmission are ever necessary
• Ability to add a customized splash / startup screen
• Software controlled brightness with configurable time-out setting up to 90 minutes and software con-
• Use of up to a 25 key keypad with a 10 key buffer
• Six general purpose outputs for a variety of applications
• Horizontal or vertical bar graphs
• Medium digit capability
• Variable power options, +5V or +9V to +15V
• Extended temperature option
• Fits Matrix Orbital’s PC Bay inserts without any modifications
The display is designed as the display unit for an associated controller. The controller may be anything
The display provides a simple command structure to allow text and bar graphs to be displayed on the
The screen is luminous for low light situations. Display may be turned on or off under program control.
General purpose outputs allow the controller to switch up to six electronic or electro-mechanical devices
The display does not include bitmap graphics capability, except that permitted by defining special char-
refernce
trolled speed
2
C
PK202-25
2
C interface
1