OLIMEX AVR-T32U4 User Manual Download Page 25

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AVR-T32U4 user's manual

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Released under Creative Commons Attribution-Share Alike 3.0 United States License

AVR-T32u Rev.C

open

)

100nF

1uF

100nF

20pF

10nF

FB/600 OHM/1206(321611C-601)

22uH/10%/5mA

LED0603/RED

16.000MHz/SMD5x3.2/12pF

22R

390R/1%

240R/1%

4.7k

330R

22R

4.7k

330R

4.7k

0R(board mounted)

)

LED0603/YELLOW

1N4148/mini-m elf

LED0603/GREEN

ATMEGA32U4U

BH10S

USB-MINI

3.3V

3.3V 3.3V

3.3V

5V_USB

AVCC

LM1117IMPX-ADJ

+5V

BOOT_LED

BUT

D+

D-

MISO

MOSI

RESET

RXD

RXLED

SCK

SCL

SDA

TXD

TXLED

UEXT_#CS

XTAL1

XTAL2

#HWB

5V_E

AREF

BOOT_LED

BUT

C11

C12

C13

C14

C15

C16

C17

C18

C19

C20

D10

D11

D12

D13

D14

D15

D16

D17

ICSP

PD5

PROTO_PWR1

PROTO_PWR2

PWR_LED

GND
GND

R10

R11

R12

R13

R16

R21

R22

R23

R23_E

R24

R24_E

R25

R25_E

R27

RESET

RST

RXLED

SD5

TXLED

#RESET

AREF

AVCC

D+

D-

GND

INT6/AIN0/PE6

PB0/SS/PCINT0

PB1/PCINT1/SCLK

PB2/PDI/PCINT2/MOSI

PB3/PDO/PCINT3/MISO

PB4/PCINT4/ADC11

PB5/PCINT5/OC1A/#OC4B/ADC12

PB6/PCINT6/OC1B/OC4B/ADC13

PB7/PCINT7/OC0A/OC1C/#RTS

PC6/OC3A/#OC4A

PC7/ICP3/CLK0/OC4A

PD0/OC0B/SCL/INT0

PD1/SDA/INT1

PD2/RXD1/INT2

PD3/TXD1/INT3

PD4/ICP1/ADC8

PD5/XCK1/CTS

PD6/T1/#OC4D/ADC9

PD7/T0/OC4D/ADC10

PE2/#HWB

PF0/ADC0

PF1/ADC1

PF4/ADC4/TCK

PF5/ADC5/TMS

PF6/ADC6/TDO

PF7/ADC7/TDI

UCAP

UGND

UVCC

VBUS

VCC

XTAL1

XTAL2

UEXT

D+

D-

GND

VBUS

USB

ADJ/GND

OUT

VR1(3.3V)

POWER SUPPLY

BUTTONS

STAT LEDS

UEXT

ICSP

Summary of Contents for AVR-T32U4

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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

Page 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...

Page 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_...

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

Page 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...

Page 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...

Page 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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