emWin: LCD161620 driver

Supported hardware

Controllers

This driver has been tested with the following LCD controllers

NEC µPD161620

Bits per pixel

Supported color depth is 12 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. The driver works in ™1-pixel/2-byte™-mode.

Additional RAM requirements of the driver

None

Additional driver functions

None.

Hardware configuration

This driver accesses the hardware with a simple bus interface. 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

The driver needs to work in the fixed palette mode 444121. The driver does not work with other palettes. You should use the following macro definition in the file LCDConf.h:
#define LCD_FIXEDPALETTE 444121