LCD0821 Matrix Orbital, LCD0821 Datasheet - Page 5

• Manufacturer Part Number: LCD0821
• Description: LCD ALPHA/NUM DISPL 8X2 YW/GN BK
• Manufacturer: Matrix Orbital
• Series: LCD0821r

Specifications of LCD0821

• Display Type: TN - Twisted Nematic
• Display Mode: Transmissive
• Number Of Digits/alpha: 16
• Outline L X W X H: 58.00mm x 32.00mm x 21.00mm
• Viewing Area: 38.00mm L x 16.00mm W
• Backlight: LED - Yellow/Green
• Display Format: 8 x 2
• Character Size: 5.55mm H x 2.95mm W
• Character Format: 5 x 7 CURS
• Voltage - Supply: 5.0V
• Dot Size: 0.55mm W x 0.55mm H
• Interface: I²C, RS232, TTL
• Operating Temperature: 0°C ~ 50°C
• Character Count X Line: 8 x 2
• Module Size (w X H X T): 58 mm x 32 mm x 25 mm
• Fluid Type: STN
• Background Color: Yellow / Green
• Backlight Type: LED Yellow / Green
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 635-1009; LCD082

1. Refer to the diagram above and Figure 2-1 for the following steps.
2. Wire the connector to the power supply. On most connectors the RED lead will go to +5V and the
3. Connect the LCD0821 to the PC using the serial cable and adapter if required. Make sure the RS-232
4. Connect the power connector, making sure that the +5V goes to V+ as shown in Figure 2-2. Turn on the
Now you're ready to try it out.
1.4 Trying Out your LCD0821
The unit is connected to power and the PC and the backlight is on. You're ready to make sure it's working
properly. To experiment with typing text, run a PC terminal program, such as Hyperterm. Make sure it's
configured to use the correct port. Set the baud rate to 19,200.
If you type characters on the keyboard, they should now appear on the LCD0821 screen. (It is normal for
text to wrap from line 1 to line 3, then to line 2 then 4. See section 3.4.1). A few common ASCII control
characters work as follows:
Note: These command characters are not guaranteed to work on other Matrix Orbital display
modules. If you want your code to be portable, use the appropriate commands listed later in the
manual instead.
If you want to exercise some of the other features of the LCD0821 you'll need to write a program (in any
convenient language such as Basic or C) to issue the required command strings. Most terminal programs are
LCD0821 rev 2
Character
BLACK lead to GND. See Section 2.1.1 for details.
unit is subjected to over-voltage or reversed polarity.
cable includes the required ground lead. There must be no voltage differential between the RS-
232 ground and the power supply ground.
power: the LCD backlight should come on and you should see a blinking cursor at the top left.
BS
LF
FF
Hex value
0x0A
0x0C
0x08
Function
Moves cursor to the beginning of the next (or previous) line.
Clears the display and puts the cursor at the top left
Moves the cursor one position to the left and clears that position.
5
Note: The manufacturer's warranty is void if the