LK204-25-R Matrix Orbital, LK204-25-R Datasheet - Page 27

• Manufacturer Part Number: LK204-25-R
• Description: LCD Character Display Modules Black Background Red Text
• Manufacturer: Matrix Orbital
• Series: LK204-25r

Specifications of LK204-25-R

• Character Count X Line: 20 x 4
• Module Size (w X H X T): 98 mm x 60 mm x 27.5 mm
• Fluid Type: STN
• Background Color: Black
• Voltage Rating: 5 V
• Operating Temperature Range: 0 C to + 50 C
• Backlight Type: LED Red
• Display Mode: Transmissive
• Display Type: TN - Twisted Nematic
• Number Of Digits/alpha: 80
• Outline L X W X H: 98.00mm x 60.00mm x 27.50mm
• Viewing Area: 76.00mm L x 25.20mm W
• Backlight: -
• Display Format: 20 x 4
• Character Size: 4.75mm H x 2.95mm W
• Character Format: 5 x 7 Dots
• Voltage - Supply: 5.0V
• Dot Size: -
• Interface: I²C, RS232, TTL
• Operating Temperature: 0°C ~ 50°C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

3.4. Save Start Up Screen
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
3.5. Initialize Medium
Loads the medium number custom character bank into memory. Medium numbers must be initialized before use.
3.6. Place Medium
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
3.7. Initialize Large
Loads the large number custom character bank into memory. Large numbers must be initialized before use.
3.8. Place Large
Places a single large decimal digit, 4 rows in height and 3 columns in width, on the display at the position specified.
Medium numbers must be initialized before being placed.
Column
Digit
27
Custom Characters
Number
Numbers
Numbers
Number
1 byte, value between 0 and 7
8 bytes, character pixel data, see custom character example
1 byte, value between 1 and 20
1 byte, value between 1 and 4
1 byte, single decimal digit to display
Dec
Hex
ASCII
1 byte, value between 1 and 20
1 byte, single decimal digit to display
Dec
Hex
ASCII
Dec
Hex
ASCII
Dec
Hex
ASCII
Dec
Hex
254 35
254 111
FE 23
254 110
■ #
FE 6F
254 109
FE 6E
■ o
254 194
FE 6D
■ n
■ m
FE C2
Column Digit
Column Digit
Column Digit
Row Column Digit
Row Column Digit
Row Column Digit
ID Data
ID Data