LCD2041-R Matrix Orbital, LCD2041-R Datasheet - Page 32

• Manufacturer Part Number: LCD2041-R
• Description: LCD Character Display Modules Black Background Red Text
• Manufacturer: Matrix Orbital

7 General Purpose Output
7.1 Introduction
with up to 20mA of current at 5V. The LCD0821 has 3 GPOs which are software controlled, with functions
to turn them on/off and set the power state for the next startup.
7.2 General Purpose Output Off
7.3 General Purpose Output On
Matrix Orbital
General purpose outputs allow you to connect devices, such as LEDs, to the LCD0821 and supply them
Description
Remembered
Syntax
Parameters
Description
Remembered
Syntax
Parameters
This command will place a bar graph at the specified [Column] with the
specified [Length]. The [Length] is the size in pixels of the bar graph.
NOTES
No
This command turns OFF general purpose output [num].
NOTE OFF means that the output is pulled HIGH.
Yes
Hexadecimal
Decimal
ASCII
Parameter
Num
Hexadecimal
Decimal
ASCII
Parameter
Num
• A Vertical Bar style must be initialized before this command is executed.
• Bar graphs may be one directional only.
0xFE 0x56 [Num]
254 86 [Num]
254 “V” [Num]
0xFE 0x57 [Num]
254 87 [Num]
254 “W” [Num]
LCD0821
Length
Length
1
1
Description
GPO number.
Description
GPO number.
28