OLIMEX AVR-T32U4, User Manual

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OLIMEX© 2014 AVR-T32U4 user's manual
Table of Contents
CHAPTER 1 OVERVIEW ......................................................................................... 5
1. Introduction to the chapter .................................................................................................. 5
1.1 Features ................................................................................................................................ 5
1.2 Similar boards ..................................................................................................................... 5
1.3 Organization ........................................................................................................................ 5
Chapter 2 Introduction to arduino/pinguino/maple ................................................. 7
2. What is Arduino? .................................................................................................................. 7
2.1 First steps with Arduino IDE ............................................................................................. 8
2.1.1 For purchases after the official release of Leonardo ..................................................... 8
2.1.2 For purchases before the official release of Leonardo .................................................. 8
CHAPTER 3 SETTING UP THE AVR-T32U4 BOARD ....................................... 10
3. Introduction to the chapter ................................................................................................ 10
3.1 Electrostatic warning ........................................................................................................ 10
3.2 Requirements ..................................................................................................................... 10
3.3 Powering the board ........................................................................................................... 11
3.4 Prebuilt software ............................................................................................................... 12
CHAPTER 4 AVR-T32U4 BOARD DESCRIPTION ............................................. 13
4. Introduction to the chapter ................................................................................................ 13
4.1 Layout (top view) .............................................................................................................. 13
4.2 Layout (bottom view) ........................................................................................................ 14
CHAPTER 5 THE ATMEGA32U4 MICROCONTROLLER .............................. 15
5. Introduction to the chapter ................................................................................................ 15
5.1 The micro-controller’s features ........................................................................................ 15
6. Introduction to the chapter ................................................................................................ 17
6.1 Reset ................................................................................................................................... 17
6.2 Clock ................................................................................................................................... 17
CHAPTER 7 HARDWARE ...................................................................................... 18
7. Introduction to the chapter ................................................................................................ 18
7.1 ICSP pin holes .................................................................................................................... 18
7.2 UEXT .................................................................................................................................. 18
7.4 Extension pins .................................................................................................................... 19
7.5 USB mini connector .......................................................................................................... 20
7.7 Jumper description ........................................................................................................... 20
7.9 Additional hardware components .................................................................................... 21
CHAPTER 8 MEMORY AND BLOCK DIAGRAM ............................................. 22
8. Introduction to the chapter ................................................................................................ 22
8.1 Memory organization ....................................................................................................... 23
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