AVR481: DB101 Hardware User's Guide
Features
8-bit
?
?
?
?
?
?
LCD module with RGB backlight
UART, SPI and TWI with level converters
RS232 interface
Joystick for user input and menu navigation
Piezo speaker
Powered by Battery or external supply
Microcontrollers
Application Note
- 1.8V to 5.5V external supply
? Buck-boost converter on power supply
1 Introduction
The DB101 is a graphical LCD module. It demonstrates how to use an AVR?
microcontroller to control a 128x64 pixel graphical LCD. It can be used as human-
machine interface in conjunction with other application boards: To interface other
application boards the DB101 features the most common communication interfaces
UART, SPI and TWI, available on pin headers on the backside of the board.
This document provides a description of the DB101 board and application note
AVR482 describes the application software.
Figure 1-1. Front-view of the DB101 LCD module.
Rev. 8073B-AVR-09/07
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