Table of Contents
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NetMedia RoHS Serial LCD Module
v1.1
Table of Contents:
Pinout .................................................................................................................................. 2
Connections......................................................................................................................... 2
Jumper Settings................................................................................................................... 3
Contrast Adjustment ........................................................................................................... 3
Interfacing ........................................................................................................................... 4
LCD Control Codes ............................................................................................................ 5
Creating Custom Characters ............................................................................................... 7
Complete BasicX-24 Example Program............................................................................. 8
2x16 Specifications............................................................................................................. 9
4x20 Specifications............................................................................................................. 9
2x16 Current Specs ............................................................................................................. 9
4x20 Current Specs ............................................................................................................. 9
Optional Bezel Dimensions .............................................................................................. 10
Dimensions ....................................................................................................................... 11
Warranty
NetMedia, Inc. warrants this product against defects in materials and workmanship for a period of 90 days
from purchase date. Repaired/replaced products will be returned via standard shipping. Expedited return
shipping is available at customer's expense. Any product that has been abused, modified or had its polarity
reversed is not covered under warranty. Our technicians check all returns. Items damaged by customer
abuse/misuse will not be warranted and will only be returned at the customer's request and expense.
Extended warranties are available for large volume OEM customers. Please contact a
NetMedia sales representative for more information.
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Table of Contents
Summary of Contents for NetMedia RoHS Series
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Page 1: Table Of Contents
Dimensions ........................11 Warranty NetMedia, Inc. warrants this product against defects in materials and workmanship for a period of 90 days from purchase date. Repaired/replaced products will be returned via standard shipping. Expedited return shipping is available at customer’s expense. Any product that has been abused, modified or had its polarity reversed is not covered under warranty. -
Page 2: Pinout
Pinout All power and communications connections are made via header JP2. Connection JP1 connects the serial module to the LCD header. JP3 contains additional power connectors and user TTL outputs 0 & 1. Figure1 Connections JP1 Pins 1 - 8 Description JP1 Pins 9 -16 Description... -
Page 3: Jumper Settings
Jumper Settings Jumper connections J1 and J2 are used to set the modules baud rate and display type, J3 sets the backlight current. Note: Always disconnect power before changing jumper positions! Jumpers J1, J2 & J3 Description J1 Not Soldered = 9600 Baud, Soldered = 2400 Baud J2 Not Soldered = 2x16, Soldered = 4x20 Backlight current, Not soldered = 2x16, Soldered = 4x20 Contrast Adjustment... -
Page 4: Interfacing
Interfacing The following diagrams show two common methods for interfacing the 2x16 LCD. Connection LEDSV+ is 5-14vdc. Note: Never connect LED+ to +5 on the BX-24! The BX-24 +5 regulator cannot supply enough current to power the LCD backlight and will overheat. -
Page 5: Lcd Control Codes
LCD Control Codes Description Keyboard Code ASCII or Decimal value Display custom character 0-7 Ctrl-@ -Through- Ctrl-G 0 - 7 Back Space Ctrl-H Horizontal Tab Ctrl-I New Line Ctrl-J Vertical Tab Ctrl-K Form Feed (Clear Screen) Ctrl-L Carriage Return Ctrl-M Reset Controller Ctrl-N Set Geometry... - Page 6 Carriage Return Ctrl-M Causes the cursor to go to column 1 of the current line Reset Controller Ctrl-N Resets the LCD controller as if it had been just power on. This command will also cause the hardware jumpers to be reread, so you can use it if you want to change baud rate or display size.
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Page 7: Creating Custom Characters
Data Escape Ctrl-V The following byte is treated as data. This command is used to send bytes that would normally be interpreted as commands. Some LCD displays (in particular the European font LCDs) have characters in the same range as the commands of the LCD controller. -
Page 8: Complete Basicx-24 Example Program
Custom Character BasicX Code Snippet: ' Load Down Arrow as char 0 Call PutQueueStr(Com3Out,Chr(18) & Chr(64) & Chr(4) & Chr(4) & Chr(4) & Chr(4) & Chr(4) & Chr(31) & Chr(14) & Chr(4)) ‘ Print char 0 (new down arrow) Call PutQueueStr(Com3Out,Chr(0)) Complete BasicX-24 Example Program ' This program turns on the LCD 2X16 backlight and displays a “Hello World”... -
Page 9: 2X16 Specifications
2x16 Specifications Power ………….4.9-5.2 Vdc @5mA (No Backlight), 135mA (Full Backlight) Serial Input………………8N1, 9600 or 2400 Baud, RS232 or TTL/CMOS level Maximum Operating Temperature…………………………………….0° - 50° C 4x20 Specifications Power ………….4.9-5.2 Vdc @5mA (No Backlight), 225mA (Full Backlight) Serial Input………………8N1, 9600 or 2400 Baud, RS232 or TTL/CMOS level Maximum Operating Temperature…………………………………….0°... -
Page 10: Optional Bezel Dimensions
Optional Bezel Dimensions... -
Page 11: Dimensions
Dimensions Serial 2x16 Serial 4x20 Copyright 2006 by NetMedia, Inc. 10940 N. Stallard Place Tucson, AZ 85737 (520) 544-4567...
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