OLIMEXINO-32U4 development board USER`S MANUAL
Contents
1. Chapter 8 shows the processor diagram and memory map Chapter 9 provides the schematics Chapter 10 contains the revision history Page 6 of 29 OLIMEXO 2012 OLIMEXINO 32UA user s manual CHAPTER 2 INTRODUCTION TO ARDUINO PINGUINO MAPLE 2 What is Arduino Arduino is an open source electronics prototyping platform designed to make the process of using electronics in multidisciplinary projects easily accessible The hardware consists of a simple open hardware design for the Arduino board with an Atmel AVR processor and on board I O support The software consists of a standard programming language and the boot loader that runs on the board Arduino hardware is programmed using a Wiring based language syntax libraries similar to C with some simplifications and modifications and a Processing based Integrated Development Environment IDE The project began in Ivrea Italy in 2005 aiming to make a device for controlling student built interaction design projects less expensively than other prototyping systems available at the time As of February 2010 more than 120 000 Arduino boards had been shipped Founders Massimo Banzi and David Cuartielles named the project after a local bar named Arduino The name is an Italian masculine first name meaning strong friend The English pronunciation is Hardwin a namesake of Arduino of Ivrea More information could be found at the creators web page http arduino cc and in the Ardui2. OLIMEXINO 32U4 development board USER S MANUAL Revision C February 2013 Designed by OLIMEX Ltd 2012 lead free All boards produced by Olimex LTD are ROHS compliant OLIMEXO 2012 OLIMEXINO 32UA user s manual 2013 Olimex Ltd Olimex logo and combinations thereof are registered trademarks of Olimex Ltd Other product names may be trademarks of others and the rights belong to their respective owners The information in this document is provided in connection with Olimex products No license express or implied or otherwise to any intellectual property right is granted by this document or in connection with the sale of Olimex products The Hardware project is released under the Creative Commons Attribution Share Alike 3 0 United States License You may reproduce it for both your own personal use and for commercial use You will have to provide a link to the original creator of the project http www olimex com on any documentation or website You may also modify the files but you must then release them as well under the same terms Credit can be attributed through a link to the creator website http www olimex com The software is released under GPL It is possible that the pictures in this manual differ from the latest revision of the board The product described in this document is subject to continuous development and improvements All particulars of the product and its use contained in this document are given by OLIMEX in g
3. In System 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 compliant Interface Boundary scan Capabilities According to the JTAG Standard Extensive On chip Debug Support Programming of Flash EEPROM Fuses and Lock Bits through the JTAG Interface USB 2 0 Full speed Low Speed Device Module with Interrupt on Transfer Completion Complies fully with Universal Serial Bus Specification Rev 2 0 Supports data transfer rates up to 12 Mbit s and 1 5 Mbit s Endpoint 0 for Control Transfers up to 64 bytes Page 13 of 29 OLIMEXO 2012 OLIMEXINO 32UA user s manual 6 Programmable Endpoints with IN or Out Directions and with Bulk Interrupt or Isochronous Transfers Configurable Endpoints size up to 256 bytes in double bank mode Fully independent 832 bytes USB DPRAM for endpoint memory allocation Suspend Resume Interrupts CPU Reset possible on USB Bus Reset detection 48 MHz from PLL for Full speed Bus Operation USB Bus Connection Disconnection on Microcontroller Request Crystal less operation for Low Speed mode Peripheral Features On chip PLL for USB and High Speed Timer 32 up to 96 MHz operation One 8 bit Timer Counter with Separate Prescaler and Compare Mode Two 16 bit Timer Counter with Separate Prescaler Compare and Capture Mo
4. ONLY FOR OLIMEXINO 32U4 Page 2 of 29 OLIMEXO 2012 OLIMEXINO 32UA user s manual Table of Contents 2 Whatis Arduo sisisi EEUU ERE TREE ea a aaea aeii iadaaa aa 7 2 1 First steps with Arduino IDE cccccccscscssssssscsssssssssssssssssscssscscscscscscscssssscssssssssssscssssssssseses 8 CHAPTER 5 THE ATMEGA32U4 MICROCONTROLLER 13 5 Introd cto n t the CI aN t RR 13 5 1 The microcontrollers features ooi ie oret ote erba roe ee eese vin So eerte atte US 13 6 Introduction to the GINA PU mm 16 UB B ROS Cb EAA L T L A A E L EA A AR EA 16 vel E E E O EA E E R TE 16 CHAPTER 7 HARDWARE ssesesesseoessosososeseseseseeeeeeeecececececececcecececoeoeosssssoseseeeececoseeee 17 7 Introduction to the chapter auinen a a asa 17 CHAPTER 8 MEMORY AND BLOCK DIAGRAM ssssssssssccsssscsssscccssccsecssesseee 22 8 Introduction to GOT E A A A E N A T ATE 22 Page 3 of 29 OLIMEXO 2012 OLIMEXINO 32UA user s manual Page 4 of 29 OLIMEXO 2012 OLIMEXINO 32UA user s manual CHAPTER 1 OVERVIEW 1 Introduction to the chapter Thank you for choosing the OLIMEXINO 32UA development board from Olimex This document provides a User s Guide for the Olimex OLIMEXINO 32UA development board As an overview this chapter gives the scope of this document and lists the board s features The document s organization is then detailed The OLIMEXINO 32UA development board enables code devel
5. of the ICSP pin hole ICSP pin holes Signal Name Signal Name D17 MIS0 4 p16 wosx 3 wee fe foo Page 17 of 29 OLIMEXO 2012 OLIMEXINO 32UA user s manual 7 3 UEXT OLIMEXINO 32UA board has UEXT connector and can interface Olimex s UEXT modules For more information on our UEXT modules please visit http www olimex com dev OTHER UEXT pdf Pin Signal name Lam L3 mem o eem 5 wxo s puso s fosos s essen Page 18 of 29 OLIMEXO 2012 OLIMEXINO 32UA user s manual 7 4 Arduino shield pin holes For your convenience the pads are named individually near each of them Please take extra care about the numbering but consider that there might be offset Also note that the board comes with no connectors soldered on the pin holes Before being able to connect with a shield you have to solder connecters yourself er quse mCi nono s p e m ee fow 7m pear ee fow m jeuaxs m je s eres D1 TXD PD3 TXD1 INT3 D9 LED2 PRS PCINS 0CIA 0C4B ADC12 mE PB6 PCINT6 0C1B 0C4B ADC PD OC B SCL PB7 PCINT7 OCOA OC1C PC6 0C3A BDEMME ROC D13 UEXT_ CS PC7 ICP3 CLK0 OCA4A PD7 T OC4D A DC10 sam jar e fer LE sw i eem Page 19 of 29 OLIMEXO 2012 OLIMEXINO 32UA user s manual 7 5 USB mini connector Note that the USB is confiugred only as device Signal Name pa Not con
6. processors It is strongly recommended to refer to the original datasheet released by Atmel for ones of higher quality Figure 2 1 Block Diagram PORTC DRIVERS DATA REGISTER DATA DIR PORTC REG PORTC 8 BIT DA TA BUS INTERNAL OSCILLATOR PROGRAM STACK TIMER i n imm PROGRAM EU CONTROL i ON CHIP DEBUG P ETEN gt Shan ST CONTR m BOUND INSTRUCTION SCAM REGISTER PROGRAMMING INSTRUCTION TEMPERATURE Y SENSOR CONTROL LINES S STATUS L HEGISTER d TIMING AND gt j CONTROL TIMERS L GENERAL COUNTERS PURPOSE REGISTERS INTERRUPT pil x UNIT USB PAD 3V REGULATOR DATA REGISTER DATA DIR DATA REGISTER DATA DIR DATA REGISTER DATA DIR PORTE REG POHTE PORTB REG POHTB PORTD REG PORTD PORTE DRIVERS PORTB DRIVERS PORTD DRIVERS PB7 PBO PD7 PDO Page 22 of 29 OLIMEXO 2012 8 1 Memory organization Table 5 1 Memory Mapping Size Start Address End Address OLIMEXINO 32UA user s manual Flash end 32 Registers Size Start Address End Address I O Registers Size Start Address End Address Ext I O Registers Size Start Address End Address Internal SRAM Size ISRAM size Ox7FFF Ox3FFFO 32 bytes 0x0000 0x001F 64 bytes 0x0020 0x005F 160 bytes 0x0060 OxOOFF 2 5K bytes Start Address ISRAM start
7. s a 7 RST Designed by WWW OLIMEX COM DEV aav M amp sv S i R22 R23 EY E G08 AVCC OU 5V USB Ut NA LINA GN VIN A ini 209 gt im 41 A5 AO 1 FRUADOD ay Ad Al 9 ez C veo PEMADCI Cag A A e oe seco PRUADONTUK sg A2 A3 amp 26 epum i Dune ae H sil C1 C2 C3 C4 I vsus FE ADCT TOI AJ 5 5 Lom Tu 4 z 8 amp amp 5 CON3 o e e F Ie 35 32 DI3 UEXT 4CS DO RXD m l 3 POIIICPSIQLKQIOCAA 34 D5 D1 TXD Bi c POMOCAAHMOOIA j D7LEDI D2 SDA alc 2 INTE AINO FES 33 HWB D3 SCL wm eZ FE2HHNB D4 oO D D 3 p BS c aly v DE De Nl De wm I 5V USB D7 LEDI Eos ile u E Eg XTAL 16 xtat2 z USB XIAL1 35 xm 3 BUS v v 4 CAR V a R 1 D3 SCL 18 e 8 D 4 RXLED DB UEXT PWR E PE E 1 as PBOSSIPONTO 5 DISISCK DOLED2 m E Seer Lee 2008 10 DT8 MOSI D10 Digicel GND PBXPDOIPONT3MSO HH on amp L m EDAD 28 DB UEXT PWR E D12 1E SJE USB MINI EONEEUADE PBAIPONTA ADCI 29 D9 LED2 Dis UEXT CS me p en POS XCK1 CTS PBS PONTS OCIA MOCABIADCI2 735 Dio Die 10nF FDGITIIHOCADIADCS y a Dii AREF Ae aoe PDIITOOCID ADCIO PB7 PONT7IOODA OCICARTS D2 SDA rw D3 SCL bo ATMEGA32U4 AU 1xPN1x10 1xPN1x8 2xPN1x6 DVCC DVCC STAT LEDS i l i I I i i oat 1 1 f bog I 1 1 l oa 1 1 i id i i i D7 LED1 D9 LED2 TXED D14 RXLED 1 1 H RU R9 ICSP 1 1 sa S4SC0 s 4 7k bog E DA1ZMISO 1 2 LED Ea
8. 0x100 End Address ISRAM end OxOAFF External Memory Not Present EEPROM Notes 1 Size E2 size 1K bytes End Address Byte address E2 end 2 Word 16 bit address Page 23 of 29 OxOSFF OLIMEXO 2012 OLIMEXINO 32UA user s manual CHAPTER 9 SCHEMATICS 9 Introduction to the chapter In this chapter are located the schematics describing logically and physically OLIMEXINO 32UA 9 1 Eagle schematic OLIMEXINO 32U4 schematic is visible for reference here You should zoom the pdf for a better view and also string search is available You can also find them on the web page for OLIMEXINO 32UA at our site https www olimex com Products Duino AVR OLIMEXINO 32U4 They are located in HARDWARE section Note that OLIMEXINO 32UA schematic is released under Creative Commons Attribution Share Alike 3 0 United States License the whole project is released under GPL 3 0 The EAGLE schematic is situated on the next page for quicker reference Page 24 of 29 OLIMEXO 2012 OLIMEXINO 32U4 User s Manual OLIMEXINO 32U4 Rev A pyce Dvcc cont PLATFORM RESET 1
9. RXED E DAS SCK 3 a D18 MOSI 1 RESET 4 HWB z Close Close 5 6 i RST BUT i 1 9 I 1 is p R17 R16 R15 R14 1 Y 1 3 2k 2k 2k 2k 1 1 EISE C16 E H 1 I 1 R NA R10 100nF bog LED1 LED2 TXLED RXLED 330k 330R L LED0603 GREEN Yy LED0603 YELLOW Yy LED0603 GREEN Wy LEDO603 YELLOW Vx I 1 i ial i I i al OR Board Mounted 1 i I I I I 4 Ap fH FETS R12 Ea RIZE 2 x 1 r 7 IRLML6402 Gee cue VIN 8 suse 4g POWER SUPPLY 1 A A tSv BV 3 3V 5V a 1 HR1x3 3 3V Open 5V Close R21 bap DB UEXT PWR E 1 1 VR2 3 3V asav TT 5V DVCC aveo 10k Close R12 R13 I 1 B MCP17007 3302E MB I UEXT 4 7k 4 Tk 1 FETI i ados 1 2 1 I IRLMLG402 T m L2 DITO 3 4 DORXD 1 3 D3 SCL 5 3 DZ SDA 1 VR1 5 0V wp Battery Charger eN w vour TUER D17MISO 7 8 D16 MOSI 1 AMS1117 ADJ 3 sv 5V PET iu tl g ii Di5 SCK E 1 DIS UEXT FCS 1 1 U2 u GND E I I i McP73812T 4201 sit 5 1 e B VBAT C22 C20 _ C21 i VDD 1 1 YDJ 1136 5 c17 anas ps H same E 10k 10UF 6 3V ToonF TtouF 6 3V I E s CHARGER I i E E VSS PROG AGND_E I 1 T u u E i 1 ala E a s CLOSE ai a 2 i Rip 15k 3 VLL BAT perm DWOR 1 Page 25 of 29 OLIMEXO 2012 OLIMEXINO 32UA user s manual 9 2 Physical dimensions Note
10. company and our software support is limited Please consider reading the paragraph below about the warranty of Olimex products Warranty and returns Our boards have lifetime warranty against manufacturing defects and components During development work it is not unlikely that you can burn your programmer or development board This is normal we also do development work and we have damaged A LOT of programmers and boards during our daily job so we know how it works If our board programmer has worked fine then stopped please check if you didn t apply over voltage by mistake or shorted something in your target board where the programmer was connected etc Sometimes boards might get damaged by ESD shock voltage or if you spill coffee on them during your work when they are powered Please note that warranty do not cover problems caused by unproper use shorts over voltages ESD shock etc If the board has warranty label it should be not broken Broken labels void the warranty same applies for boards modified by the customer for instance soldering additional components or removing components such boards will be not be a subject of our warranty If you are positive that the problem is due to manufacturing defect or component you can return the board back to us for inspection When we receive the board we will check and if the problem is caused due to our fault and we will repair replace the faulty hardware free of charge otherwise
11. de One 10 bit High Speed Timer Counter with PLL 64 MHz and Compare Mode Four 8 bit PWM Channels Four PWM Channels with Programmable Resolution from 2 to 16 Bits Six PWM Channels for High Speed Operation with Programmable Resolution from 2 to 11 Bits Output Compare Modulator 12 channels 10 bit ADC features Differential Channels with Programmable Gain Programmable Serial USART with Hardware Flow Control Master Slave SPI Serial Interface Byte Oriented 2 wire Serial Interface Programmable Watchdog Timer with Separate On chip Oscillator On chip Analog Comparator nterrupt and Wake up on Pin Change On chip Temperature Sensor e Special Microcontroller Features Power on Reset and Programmable Brown out Detection Internal 8 MHz Calibrated Oscillator Internal clock prescaler amp On the fly Clock Switching Int RC Ext Osc External and Internal Interrupt Sources Six Sleep Modes Idle ADC Noise Reduction Power save Power down Standby and Extended Standby I O and Package All I O combine CMOS outputs and LVTTL inputs 26 Programmable I O Lines 44 lead QFN Package 7x7mm Page 14 of 29 OLIMEXO 2012 OLIMEXINO 32UA user s manual Operating Voltages 2 7 5 5V Operating temperature Industrial 40 C to 85 C Maximum Frequency 8 MHz at 2 7V Industrial range 16 MHz at 4 5V Industrial range For comprehensive information on the m
12. f the board Note the names used on the board differ from the names used to describe them For the actual names check the OLIMEXINO 32UA board itself 4 1 Layout top view RS WLS iia eC ON DEY Us EE ror r 2 Mx DC GORXLE E Gen 0946 Gass 269 LED2 7 ee aie ee ris RX LED a r 5c13 sa Um 26 uu euh 3 3V 5V dd Bib 9 bs te 3 LEE 0 a S EEs mE f I UR2 3 805 s Battery PWR JACK PWR LED BUT Set of jumpers ICSP UEXT RST BUT Page 12 of 29 OLIMEXO 2012 OLIMEXINO 32UA user s manual CHAPTER 5 THE ATMEGA32U4 MICROCONTROLLER 5 Introduction to the chapter In this chapter is located the information about the heart of OLIMEXINO 32U4 its microcontroller The information is a modified version of the datasheet provided by its manufacturers 5 1 The microcontroller s features High Performance Low Power AVR 8 Bit Microcontroller Advanced RISC Architecture 135 Powerful Instructions Most Single Clock Cycle Execution 32 x 8 General Purpose Working Registers Fully Static Operation Up to 16 MIPS Throughput at 16 MHz On Chip 2 cycle Multiplier Non volatile Program and Data Memories 32K Bytes of In System Self Programmable Flash 2 5K Bytes Internal SRAM 1K Bytes Internal EEPROM Write Erase Cycles 10 000 Flash 100 000 EEPROM Data retention 20 years at 85 C 100 years at 25 C 1 Optional Boot Code Section with Independent Lock Bits
13. have same spacing but we add next to this connector on 0 1 which customer can use with perforated boards Allsignals on the connectors are printed on top and on bottom of the board so when you Page 5 of 29 OLIMEXO 2012 OLIMEXINO 32UA user s manual check with probe you know exactly which port you are measuring e 4 mount holes make board attachment easier 1 2 Similar boards OLIMEXINO 32U4 is ARDUINO LEONARDO like board with ATmega32UA It is a powerful board considering its low price but yet a starter board for the Arduino family The more powerful Arduino board we have in the range is OLIMEXINO 328 based on Arduino Duenomilanove It has a more sophisticated supply circuit USB OTG connector and there are more Arduino projects available 1 3 Organization Each section in this document covers a separate topic organized as follow Chapter 1 is an overview of the board usage and features Chapter 2 has a short introduction to Arduino platform and its derivatives Pinguino and Maple Chapter 3 provides a guide for quickly setting up the board Chapter 4 contains the general board diagram and layout Chapter 5 describes the component that is 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 covers the connector pinout peripherals and jumper description
14. he correct board and COM port in TOOLS menu From File gt Open navigate to the examples folder which is found in the Arduino IDE installation folder Choose a simple example to begin with like BlinkWithoutDelay 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 found and the official Arduino web site http www arduino cc Page 9 of 29 OLIMEXO 2012 OLIMEXINO 32UA user s manual CHAPTER 3 SETTING UP THE OLIMEXINO 32U4 BOARD 3 Introduction to the chapter This section helps you set up the OLIMEXINO 32UA development board for the first time Please consider first the electrostatic warning to avoid damaging the board then discover the hardware and software required to operate the board The procedure to power up the board is given and a description of the default board behavior is detailed 3 1 Electrostatic warning OLIMEXINO 32U4 is shipped in a protective anti static package The board must not be exposed to high electrostatic potentials A grounding strap 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 OLIMEXINO 32UA the following items are required If using the free ARDUINO IDE the ONLY requirement is a miniUSB to USB A cable to connect to a com
15. icrocontroller visit the Atmel web page for a datasheet At the moment of writing the microcontroller datasheet can be found at the following link http www atmel com Images doc7766 pdf Page 15 of 29 OLIMEXO 2012 OLIMEXINO 32UA user s manual CHAPTER 6 CONTROL CIRCUITY 6 Introduction to the chapter Here you can find information about reset circuit power circuit and quartz crystal locations 6 1 Reset OLIMEXINO 32UA reset circuit includes R7 4 7kQ R8 330Q D1 Shottky diode ATmega32U4 pin 13 RESET and a RESET button Note that it also can be found at the ICSP header pin 5 and power connector pin 1 6 2 Clock 16 MHz quarz crystal Q1 is found at pins 16 and 17 of the processor Page 16 of 29 OLIMEXO 2012 OLIMEXINO 32UA user s manual CHAPTER 7 HARDWARE 7 Introduction to the chapter In this chapter are presented the connectors that can be found on the board all together with their pinout Proto area is shown Jumpers functions are described Notes and info on specific peripherals are presented Notes regarding the interfaces are given 7 1 Battery connector 3 je 7 2 ICSP pin holes The 6 pin ICSP header provides interface for custom programming debugging outside of the PINGUINO IDE Note the pin holes doesn t have a connector mounted over you have to mount it solder it yourself The pinout can be found in the table below It is important to check the jumper configuration for proper use
16. microcontrollers Page 7 of 29 OLIMEXO 2012 OLIMEXINO 32UA user s manual which makes PINGUINO very flexible because once you make your project you can migrate easily through different hardware platforms and not being bound to a single microcontroller manufacturer The PINGUINO project can be found at http www pinguino cc 2 1 First steps with Arduino IDE Depending when you purchased the board there are two scenarios since the PID product ID which is stored in the firmware and expected by the IDE is different between versions 1 0 0 and 1 0 1 1 0 1 is the first release of the Arduino IDE with official support for Leonardo 2 1 1 For purchases after the official release of Leonardo Boards produced after the official release of Arduino Leonardo have the latest bootloader available with the adjusted bootloader PID Download the latest Arduino IDE and extract the package You can find the needed driver for the bootloader located in folder drivers You click update on the device in device manager and point the installer to the drivers folder Then launch Arduino IDE and set the correct board and COM port in TOOLS menu From File gt Open navigate to the examples folder which is found in the Arduino IDE installation folder Choose a simple example to begin with like BlinkWithoutDelay 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 A
17. nected Ds feo 7 7 Jumper description 3 3V 5V This jumper controls whether the board is powered by 3 3Vdc source or 5Vdc Default position is 2 3 5Vdc 1 2 3 AGND E When closed enables analog GND SMD jumper Default state is closed FET3 E When closed connects D8 from Arduino shield connector to FET3 so you can control the power on the UEXT by software means When open D8 becomes GPIO This is a SMD type of jumper lm Default state is closed SF Page 20 of 29 OLIMEXO 2012 LED1 E When closed enables LED1 SMD jumper Default state is closed OLIMEXINO 32UA user s manual LED2 E When closed enables LED2 SMD jumper Fe Default state is closed UNUM RXLED E When closed enables RXLED SMD jumper Default state is closed rem TXLED E When closed enables TXLED SMD jumper Default state is closed 7 9 Additional hardware components The components below are mounted on the OLIMEXINO 32UA board but are not discussed above They are listed here for completeness General purpose button 2 general purpose LEDs 2 LEDs showing virtual port activity Note that connectors on the CON1 CON2 CONS3 CON4 are mounted Page 21 of 29 OLIMEXO 2012 OLIMEXINO 32UA user s manual CHAPTER 8 MEMORY AND BLOCK DIAGRAM 8 Introduction to the chapter Below is located the block diagram of the processor and on the next page you can find a memory map for this family of
18. no Wiki http en wikipedia org wiki Arduino To make the story short Arduino is easy for beginners who lack Electronics knowledge 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 Arduino enthusiasts to have not been already Arduino has inspired two other major derivates MAPLE and PINGUINO Based on 8 bit AVR technology the computational power of Arduino boards is modest this is why a team from MIT developed the MAPLE project which is based on ARM7 STM32F103RBT6 microcontroller The board has same friendly IDE as Arduino and offers the same capabilities as hardware and software but runs the Arduino code much faster The Maple project can be found at http leaflabs com In parallel with Arduino another project was started called PINGUINO This project chose its first implementation to be with PIC microcontrollers as AVRs were hard to find in some parts of the world like South America so it is likely to see lot of PINGUINO developers are from that part of the world PINGUINO project founders decided to go with Python instead Java for processing language For the moment PINGUINO is much more flexible than Arduino as it is not limited to 8bit microcontrollers Currently the IDE which has GCC in background can support 8 bit PIC microcontrollers 32bit PIC32 MIPS microcontrollers and ARM7 CORTEXM3
19. ood faith However all warranties implied or expressed including but not limited to implied warranties of 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 use of any information in this document or any error or omission in such information or any incorrect use of the product This evaluation board kit is intended for use for engineering development demonstration or evaluation purposes only and is not considered by OLIMEX to be a finished end product fit for general consumer use Persons handling the product must have electronics training and observe good engineering practice standards As such the goods being provided are not intended to be complete in terms of required design marketing and or manufacturing related protective considerations including product safety and environmental measures typically found in end products that incorporate such semiconductor components or circuit boards Olimex currently deals with a variety of customers for products and therefore our arrangement with the user is not exclusive Olimex assumes no liability for applications assistance customer product design software performance or infringement of patents or services described herein THERE IS NO WARRANTY FOR THE DESIGN MATERIALS AND THE COMPONENTS USED TO CREATE OLIMEXINO 32U4 THEY ARE CONSIDERED SUITABLE
20. opment of applications running on the ATmega32U4 microcontroller manufactured by Atmel Corporation 1 1 Features Leonardo design no FTDI chip the MCU directly handles the virtual COM e ATMEGA32U4 microcontroller all in one USB communication no need for external FTDI chip nput power supply 7 12VDC ULTRA LOW POWER voltage regulators and the consumption is only few microamps which enables handheld and battery powered applications Li Ion rechargable battery power supply option with BUILD IN on board charger so when you attach battery it is automatically charged and kept in this state until the other power source USB or external adapter is removed and it AUTOMATICALLY will power the board no jumpers no switches Works both on 3 3V and on 5V which is selectable with jumper so 3 3V and 5V shields can be used UEXT connector which allow many existing modules like RF ZIGBEE GSM GPS to be connected Allows RTC Real Time Clock NOISE IMMUNE design 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 all components are LOWER than the connectors so the shields do not interference with them mini USB connector is used which is common and used in most cell phones so you do not have to buy other cables Original design had flaw and the connectors were not spaced at 0 1 this make perfo board use impossible to keep the compatibility we
21. puter If you want to upgrade the bootloader or program the board without the ARDUINO IDE there are pinouts for ICSP programmer note that there isn t a connector mounted You can use our AVR ISP ISO or AVR ISP TINY programmer for custom programming without ARDUINO IDE Having an AVR programmer is highly advisable since the bootloader software is still not perfect and it is possible to destroy it only by software means remap pins used for programming which would require reinstalling the bootloader 3 3 Powering the board The OLIMEXINO 32UA 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 JACK by 7Vdc to 12Vdc or via the 3 7V LI BAT connector by 3 7V battery The bootloader starts automatically Page 10 of 29 OLIMEXO 2012 OLIMEXINO 32UA user s manual On powering the board PWR LED should turn on RXLED and TXLED should turn on and monitor the send receive on the virtual COM port LED1 and LED2 should start blinking 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 ATmega32UA Page 11 of 29 OLIMEXO 2012 OLIMEXINO 32UA user s manual CHAPTER 4 OLIMEXINO 32U4 BOARD DESCRIPTION 4 Introduction to the chapter Here you get acquainted with the main parts o
22. rduino More info and help on the software can be found and the official Arduino web site http www arduino cc 2 1 2 For purchases before the official release of Leonardo If you have purchased the OLIMEXINO 32UA before the official release of the Arduino Leonardo board there are two scenarios for using Arduino IDE 1 Download Arduino IDE 1 0 RC2 or Arduino IDE 1 0 0 When you extract the package check if the Arduino Leonardo section is the hardware arduino boards is uncommented If the section has number signs infront remove the number signs 2 If you want to use the latest version which by the time of writing is 1 0 1 you would need to change to bootloader firmware This will require an AVR programmer tool You can get the bootloader in elf format from our web site You can also use the original bootloader hex if you set the fuses and lock bits for the processor as follows low_fuses Oxff high fuses 0xd8 Page 8 of 29 OLIMEXO 2012 OLIMEXINO 32UA user s manual extended fuses Oxcb lock bits choose SPM Prohibited in Boot Section from the drop down menu which will set the bits either to EF or 2F After you have downloaded and extracted the desired IDE you need to install the driver for your operating system You can find the needed driver for the bootloader located in folder drivers You click update on the device in device manager and point the installer to the drivers folder Then launch Arduino IDE and set t
23. that all dimensions are in inches U L LED 6 0 Page 26 of 29 OLIMEXO 2012 OLIMEXINO 32UA user s manual CHAPTER 10 REVISION HISTORY 10 Introduction to the chapter In this chapter you will find the current and the previous version of the document you are reading Also the web page for your device is listed Be sure to check it after a purchase for the latest available updates and examples 10 1 Document revision Pages Manual adjusted for Arduino IDE version 1 0 1 Fixed link Adjusted formatting fixed some mistakes updated All links Page 27 of 29 OLIMEXO 2012 OLIMEXINO 32UA user s manual 10 2 Web page of your device The web page you can visit for more info on your device is https www olimex com Products Duino A V R OLIMEXINO 32U4 There you can find more info and some examples Web page of the original Arduino and Arduino software http arduino cc en ORDER CODES OLIMEXINO 32UA completely assembled and tested USB MINI CABLE USB mini to USB A cable How to order You can order directly from our web shop or by any of our distributors Please check the list of distributors https www olimex com Distributors Check our webpage https www olimex com for more info Page 28 of 29 OLIMEXO 2012 OLIMEXINO 32UA user s manual 10 3 Web page of your device For product support hardware information and error reports mail to support olimex com Note that we are primarily a hardware
24. we can quote price of the repair Note that all shippings back and forth have to be covered by the customer Before you ship anything back you need to ask for RMA When you ship back please attach to it your shipping address phone e mail RMA and brief description of the problem All boards should be sent back in antistatic package and well packed to prevent damages during the transport Page 29 of 29
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