VK204-25-422 Matrix Orbital, VK204-25-422 Datasheet - Page 28

• Manufacturer Part Number: VK204-25-422
• Description: VF CHARACTER DISPLAY 20X4 RS422
• Manufacturer: Matrix Orbital
• Series: VK204-25r

Specifications of VK204-25-422

• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

3.9. Initialize
Loads the horizontal bar graph custom character bank into memory. Horizontal bar characters must be initialized
before a graph is displayed.
3.10. Place Horizontal
Places a horizontal bar graph on the screen beginning at the column and row specified. The bar extends either
right or left to the length indicated. New bars will overwrite old.
Column
Row
Direction
Length
3.11. Initialize Narrow
Loads the narrow horizontal bar graph custom character bank into memory. A narrow bar is 2 pixels wide.
Horizontal bar characters must be initialized before a graph is displayed.
3.12. Initialize
Loads the wide horizontal bar graph custom character bank into memory. A wide bar is 5 pixels wide. Horizontal
bar characters must be initialized before a graph is displayed.
3.13. Place Vertical
Places a vertical bar graph on the screen extending from the first row of the column specified. The bar extends
upwards to the length indicated. A new bar will over write the old.
Column
Length
Horizontal Bar
Bar Graph
Vertical Bar
Wide
Vertical Bar
Bar
1 byte, value between 1 and 20
1 byte, height in pixels of the graph, value between 0 and 32
1 byte, value between 1 and 20
1 byte, value between 1 and 4
1 byte, 0 for right and 1 for left
1 byte, length in pixels of the graph, value between 0 and 100
Dec
Hex
ASCII
Dec
Hex
ASCII
Dec
Hex
ASCII
Dec
Hex
Dec
Hex
ASCII
254 118
254 61
254 104
FE 3D
FE 76
254 124
254 115
■ =
FE 68
■ v
FE 7C
FE 73
■ h
■ s
Column Length
Column Length
Column Length
Column Row Direction Length
Column Row Direction Length
28