AVR-LCD

Hitachi compatible LCD Driver for AVR

4 data lines
1 Register Select
1 Enable Clock line
1 Read/Write bar
+_______
7 Total

Setup

See the defines in the lcd.h file

#define LCD_RS PD0
#define LCD_RW PD1
#define LCD_E  PD2

// LCD DATA OUTPUT RD4-RD7
#define LCD PORTD

The upper four bits of LCD are used for data, the lower 4 won't be touched. Unless they are used for the comm lines.

Notes

Tested with a 2 line 16 character display: http://www.newhavendisplay.com/specs/NHD-0216K1Z-NSW-BBW-L.pdf