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OLIMEX© 2014

AVR-T32U4 user's manual

monitor the send receive on the virtual COM port.

3.4 Prebuilt software

The board comes with prebuilt ARDUINO bootloader. The different part between the other
Arduinos and Leonardo is that Leonardo doesn't use FTDI chip nor external chip for the virtual
COM port but it is handled by the ATMega32U4.

Page 12 of 29

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Содержание AVR-T32U4

Страница 1: ...AVR T32U4 development breadboard USER S MANUAL Document revision C February 2014 Designed by OLIMEX Ltd 2012 All boards produced by Olimex LTD are ROHS compliant...

Страница 2: ...merchantability or fitness for purpose are excluded This document is intended only to assist the reader in the use of the product OLIMEX Ltd shall not be liable for any loss or damage arising from the...

Страница 3: ...ning 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 1...

Страница 4: ...ATICS 24 9 Introduction to the chapter 24 9 1 Eagle schematic 24 9 2 Physical dimensions 26 CHAPTER 10 REVISION HISTORY 27 10 Introduction to the chapter 27 10 1 Document revision 27 10 2 Web page of...

Страница 5: ...to be connected The LEDs and the BUTTONs are on the edge of the board so there is easy access even if the boards have shields on them Mini USB connector is used which is common and used in most cell...

Страница 6: ...the heart of the board the ATMega32U4 microcontroller Chapter 6 is an explanation of the control circuitry associated with the microcontroller to reset Also shows the clocks on the board Chapter 7 cov...

Страница 7: ...but also does not restrict professionals as they can program it in C or mix of Arduino C language There are thousands of projects which makes it easy to startup as there is barely no field where Ardui...

Страница 8: ...ino and open it Click verify and after it compiles click Upload Voila you have uploaded code to your Arduino device Now start exploring the world of Arduino More info and help on the software can be f...

Страница 9: ...lder Then launch Arduino IDE and set the correct board and COM port in TOOLS menu From File Open navigate to the examples folder which is found in the Arduino IDE installation folder Choose a simple e...

Страница 10: ...rap or similar protective device should be worn when handling the board Avoid touching the component pins or any other metallic element 3 2 Requirements In order to set up the AVR T32U4 the following...

Страница 11: ...the bootloader 3 3 Powering the board The AVR T32U4 board is self powered by the miniUSB if it is connected to a USB hub of a computer Alternatively it can be powered via the power pins located at the...

Страница 12: ...al COM port 3 4 Prebuilt software The board comes with prebuilt ARDUINO bootloader The different part between the other Arduinos and Leonardo is that Leonardo doesn t use FTDI chip nor external chip f...

Страница 13: ...ESCRIPTION 4 Introduction to the chapter Here you get acquainted with the main parts of the board Note the names used on the board differ from the names used to describe them For the actual names chec...

Страница 14: ...OLIMEX 2014 AVR T32U4 user s manual 4 2 Layout bottom view Page 14 of 29...

Страница 15: ...ystem Programming by On chip Boot Program True Read While Write Operation All supplied parts are preprogramed with a default USB bootloader Programming Lock for Software Security JTAG IEEE std 1149 1...

Страница 16: ...Timer with Separate On chip Oscillator On chip Analog Comparator Interrupt and Wake up on Pin Change On chip Temperature Sensor Special Microcontroller Features Power on Reset and Programmable Brown...

Страница 17: ...rcuit power circuit and quartz crystal locations 6 1 Reset AVR T32U4 reset circuit includes R12 4 7k R13 330 SD5 Shottky diode ATMega32U4 pin 13 RESET and a RESET button Note that it also can be found...

Страница 18: ...stom programming debugging outside of the PINGUINO IDE Note the pin holes have a connector mounted over The pinout can be found in the table below It is important to check the jumper configuration for...

Страница 19: ...al AREF AREF D13 UEXT_ CS PF7 ICP3 CLK0 OC4A RESET RST D12 PD6 T1 OC4D ADC9 HWB BUT PE2 HWB D11 PB7 PCINT7 OC0A OC1C RTS A5 PF0 ADC0 D10 PB6 PCINT6 OC1B OC4B ADC13 A4 PF1 ADC1 D9 PB5 PCINT5 OC1A OC4B...

Страница 20: ...5V_E then the 3 3V voltage regulator VR1 would be bypassed 5V from the USB or the proto powering pins would go directly to the board Default state is open 7 7 2 Jumper R23_E Controls the SPI SCL 4 7k...

Страница 21: ...al 7 9 Additional hardware components The components below are mounted on the AVR T32U4 board but are not discussed above They are listed here for completeness General purpose button 2 LEDs showing vi...

Страница 22: ...Introduction to the chapter A block diagram of the processor is located below On the next page you can find a memory map for this family of processors It is strongly recommended to refer to the origi...

Страница 23: ...OLIMEX 2014 AVR T32U4 user s manual 8 1 Memory organization Page 23 of 29...

Страница 24: ...om the pdf for a better view Search is also available You can also find the schematics on the web page for AVR T32U4 at our site https www olimex com Products Duino AVR AVR T32U4 They are located in H...

Страница 25: ...2 5V_E A0 A1 A2 A3 A4 A5 AREF BOOT_LED BUT C2 C4 C5 C7 C8 C9 C11 C12 C13 C14 C15 C16 C17 C18 C19 C20 D0 D1 D2 D3 D4 D5 D6 D7 D8 D9 D10 D11 D12 D13 D14 D15 D16 D17 1 2 3 4 5 6 ICSP L1 L2 PD5 1 2 PROTO_...

Страница 26: ...OLIMEX 2014 AVR T32U4 user s manual 9 2 Physical dimensions Note that all dimensions are in inches Page 26 of 29...

Страница 27: ...s 10 1 Document revision Note that the changes in the table below represent only changes in the document Differences between board revisions are not specified Revision date Changes Modified page A 21...

Страница 28: ...nfo and some examples Order codes AVR T32U4 completely assembled and tested USB MINI CABLE mini USB to USB type A cable BREADBOARD 1 82x52x10 mm solderless breadboard for experimenting BREADBOARD MINI...

Страница 29: ...ordered items are allowed subject to a 10 restocking fee What is unaffected If you hooked it to power you affected it To be clear this includes items that have been soldered to or have had their firm...

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