µC/GUI LCD159a Driver
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LCD159a Driver
Supported controllers
This driver has been tested with the following LCD controllers:
It should be assumed that it will also work with any controller
of similar organization.
Bits per pixel
The supported color depth is 8 bpp.
Interfaces
The chip supports 8-bit parallel (simple bus) interface.
Display data RAM organization
The picture above shows the relation between the display memory and the SEG and COM lines of the LCD.
Additional RAM requirements of the driver
None.
Additional driver functions
None.
Hardware configuration
This driver accesses the hardware with a simple bus interface as
described in the "Low-Level Configuration" chapter of the user manual. The following
table lists the macros which must be defined for hardware access:
| Macro |
Description |
| LCD_INIT_CONTROLLER |
Initialization sequence for the LCD controller. |
| LCD_READ_A0 |
Read a byte from display controller with A-line low. |
| LCD_READ_A1 |
Read a byte from display controller with A-line high. |
| LCD_WRITE_A0 |
Write a byte to display controller with A-line low. |
| LCD_WRITE_A1 |
Write a byte to display controller with A-line high. |
Additional configuration switches
None.
Special requirements for certain LCD controllers
None.
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