RS232 - Communication protocol |
The LCD module with RS232 serial interface communicates directly to the Customer's main system board. The default transmission speed is 9600bps with +/-10 VDC signals. LCD Receive Protocol The LCD module is always in standby mode. It will wake up after the customer's main MCU sends any available data. ............
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| 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. |
| Read module type |
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Clear display |
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| Return home |
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| Turn on block (blinking) cursor |
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| Turn on underline cursor |
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| Turn off cursor |
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| display on |
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| display off |
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| Cursor left |
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| Cursor right |
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| Auto LCD scroll on |
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| Auto LCD scroll off |
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| Scroll display one character left |
RS232 LCD module |
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| Scroll display one character right |
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| Set cursor position |
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| Backlight on |
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| Backlight off |
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| Initialize wide vertical bar graph |
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| Initialize narrow vertical bar graph |
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| Initialize horizontal bar graph |
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| Draw vertical bar graph |
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| Draw horizontal bar graph |
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| Define custom character |
Extend RS232 board for all standard character LCD module |
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LCD MODULE coding system