AVR1921: Reprogramming the Xplain
AT90USB1287 and ATxmega128A1 firmware
Features
•
ATxmega128A1 microcontroller
•
External Memory
-
8MB SDRAM
-
8MB Serial Data Flash
•
AT90USB1287
-
Communication gateway
-
Programmer for Atmel
®
AVR
®
XMEGA
TM
-
Analog Input (to ADC)
-
Temperature sensor
-
Potentiometer
•
Analog Output (from DAC)
-
Mono speaker via audio amplifier
•
Digital IO
-
UART communication through USB gateway
-
8 micro switch buttons
-
8 LEDs
-
8 spare analog pins
-
8 spare digital pins
1 Introduction
This application note describes how to reprogram the AT90USB1287 and the
ATxmega128A1 on the Xplain board with the original firmware, or your own
application code.
Figure 1-1.
Xplain evaluation kit.
8-bit
Microcontrollers
Application Note
Rev. 8301A-AVR-04/10