User manual
AVR Butterfly User Guide -5
4271C–AVR–04/05
Section 1
Introduction
The AVR Butterfly evaluation kit is designed to demonstrate the benefits and key fea-
tures of the AVR microcontrollers. It is a stand alone microprocessor module that can be
used in numerous applications:
! The AVR architecture in general and the ATmega169 in particular
! Low power design
! The MLF package type
! Peripherals
– LCD controller
–Memories
- Flash, EEPROM, SRAM, external DataFlash
– Communication interfaces
- UART, SPI, USI
– Programming methods
- Selfprogramming/ Bootloader, SPI, Parallel, JTAG
– Analog to Digital Converter (ADC)
–Timers/Counters
- Real Time Clock (RTC)
- Pulse Width Modulation (PWM)
It also serve as a development kit for the ATmega169, and can be used as a module in
other products.
Figure 1-1. AVR Butterfly