DD-DB1-AL202C-GW Matrix Orbital, DD-DB1-AL202C-GW Datasheet - Page 24

• Manufacturer Part Number: DD-DB1-AL202C-GW
• Description: DEV BD 20X2 LCD GRY TXT WHT BL
• Manufacturer: Matrix Orbital
• Series: Dev Devilr

Specifications of DD-DB1-AL202C-GW

• Main Purpose: Displays, LCD Display
• Embedded: Yes, ASIC
• Utilized Ic / Part: AL202C
• Primary Attributes: 20 x 2 Display, Gray Text White Background
• Secondary Attributes: GUI, mini USB
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 635-1038

Loads a bank of custom characters into memory for use. Must be issued before using a bank of characters. Alternatively,
an appropriate initialize command can be used.
Bank
Saves a custom character to memory for the start up screen or repeated use. Start up characters are displayed by
sending their ID to the screen.
ID
Data
Loads the medium number custom character bank into memory. Medium numbers must be initialized before use.
Places a single medium decimal digit of 2 row height and 1 column width on the display at the position specified.
Medium numbers must be initialized before being placed.
Row
Column
Digit
3.3.Load Custom
3.4.Save Startup Screen
3.5.Initialize Medium
3.6.Place Medium
1 byte, character ID (0-7)
8 bytes, character pixel data, see custom character example
Characters
Custom Characters
Numbers
Numbers
1 byte, memory bank ID (0-4)
1 byte, value between 1 and 20
1 byte, value between 1 and 2 for 20x2 screen or 1 and 4 for 20x4 screen
1 byte, single decimal digit to display
Dec
Hex
Dec
Hex
ASCII
Dec
Hex
ASCII
Dec
Hex
254 111
254 192
254 109
FE 6F
FE C0
254 194
■
FE 6D
FE C2
■
o
m
Row Column Digit
Row Column Digit
Row Column Digit
Bank
Bank
ID Data
ID Data
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