emWin: LCD159A driver

Supported hardware

Controllers

This driver has been tested with the following LCD controllers

Epson S ED159A

It should be assumed that it will also work with any controller of similar organization.

Bits per pixel

Supported color depth is 8 bpp.

Interfaces

The driver supports 8-bit parallel (simple bus) interfaces.

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 Chapter 20: "Low-Level Configuration". The following table lists the macros which must be defined for hardware access:

Macro	Explanation
LCD_INIT_CONTROLLER	Initialization sequence for the LCD controller.
LCD_READ_A0	Read a byte from LCD controller with A-line low.
LCD_READ_A1	Read a byte from LCD controller with A-line high.
LCD_WRITE_A0	Write a byte to LCD controller with A-line low.
LCD_WRITE_A1	Write a byte to LCD controller with A-line high.

Additional configuration switches

None.

Special requirements for certain LCD controllers

None.