| Online Development Notebook > Index > ODN > Raw Device Programming > 11 - LCDCmdCmd |
Command #11 - LCDCmdCmd
Description:
Write a command to the LCD. The RS, RW, E lines and the data port are selected by the InitLCDCmd. The data byte is written to the selected port and the control lines are set appropriately. The E line is toggled for five to eight microseconds.
Command Format:
| Byte Number | Description |
| 0 | 11h: LCDCmdCmd |
| 1 | Byte Data |
| 2 | <not used> |
| 3 | <not used> |
| 4 | <not used> |
| 5 | <not used> |
| 6 | <not used> |
| 7 | <not used> |
Command Format Details:
Byte 0 contains the command. Byte 1 is the data to transfer to the LCD command register. Byte 2 through byte 7 are unused.
Response Format:
| Byte Number | Description |
| 0 | 11h: LCDCmdCmd |
| 1 | <not used> |
| 2 | <not used> |
| 3 | <not used> |
| 4 | <not used> |
| 5 | <not used> |
| 6 | <not used> |
| 7 | <not used> |
Response Format Details:
Byte 0 contains the command. Byte 1 through byte 7 are unused.
Example Usage:
11-33-00-00-00-00-00-00 will write the command byte of 33h to the LCD command register.
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