AVR单片机的菜单制作工具，支持1602和3310的液晶-AVR MCU Tools menu in support of 1602 and 3310 LCD

《avr单机机c语言程序设计实例精粹》中LCD菜单综合系统设计实例源文件-Avr stand-alone machine c language programming examples essence " of the LCD menu system design example source file

This example shows how external devices such as external SRAM and FLASH, and peripherals such as LCD-display, A/D, and D/A can be access with the External Memory Interface. To enable the External Memory Interface, the SRE bit must be se