ATmega328PB Xplained Mini User Guide
Contents
1. Al t el AVR 8 bit Microcontrollers ATmega328PB Xplained Mini USER GUIDE Introduction This user guide describes how to get started with the Atmel ATmega328PB Xplained Mini board The ATmega328PB Xplained Mini evaluation kit is a hardware platform to evaluate the Atmel ATmega328PB microcontroller The evaluation kit comes with a fully integrated debugger that provides seamless integration with Atmel Studio 6 2 and later version The kit provides access to the features of the ATmega328PB enabling easy integration of the device in a custom design PD3 PD4 PD5 PD6 PI COEF PDO PD PD2 Q o Atmel 42469A ATmega328PB Xplained Mini_User Guide 07 2015 Table of Contents fal cele 0 ee ee 1 1 VOTING Started c PE EE aa 3 1 1 Eeal les 25 cine Ses ccast sa Seveieccanestesace teceve E E T 3 1 2 Design Documentation and Related Links essen een 3 1 3 Xplained Mini Quick Start eee cence enne enne en nnne nnne 3 1 3 1 Connect to Atmel Studio eee eee erent enne nnne 3 1 332 sConnectto the COM POLL ecco tois ertt Eee pai tect snake tese ook ERE ROSE ia SERE R D De iaa Id Opis 4 1 4 Programming and Debuggihg ota oi comes ritate taper doute iiaeiai raoin baa pos 4 1 4 1 Programming the Target using mEDBO sseseee eee 4 1 4 24 Debugging the Target using mEDBO senem nemen 5 1 4 3 Programming the Target using an External2. On board debugger with full source level debugging support in Atmel Studio Auto ID for board identification in Atmel Studio e Access to all signals on target MCU One green mEDBG status LED One yellow user LED e One mechanical user push button QTouch user area e Virtual COM port CDC External target CLK 16MHz at 5V 8MHz at 3 3V e USB powered e 9V3 regulator A Arduino shield compatible foot prints e Target SPI bus header foot print e Xplained Pro extension headers can easily be strapped in 1 2 Design Documentation and Related Links The most relevant documents and software for the evaluation board are available here Design Documentation ZIP file containing CAD source schematics BOM assembly drawings 3D plots layer plots etc Atmel Studio Free Atmel IDE for development of C C and assembler code for Atmel microcontrollers Xplained Atmel Xplained prototyping and evaluation platform Atmel Spaces Open Source projects for Xplained Mini 1 3 Xplained Mini Quick Start How to connect the ATmega328PB Xplained Mini board embedded debugger to Atmel Studio and how to connect the ATmega328PB UART to a COM port 1 3 1 Connect to Atmel Studio How to connect the ATmega328PB Xplained Mini board embedded debugger to Atmel Studio to get started with SW development 1 Download and install Atmel Studio version 6 2 or later versions 2 Launch Atmel Studio 3 Connect the board to the USB port and it will be visible
3. pin2 connected to pin1 Board and target powered by VBUS 3 3V USB pin2 connected to pin2 connected to pin1 Target powered by 3 3V and USB pin3 remove R301 interface powered by VBUS VIN pin2 connected to pin1 pin2 connected to pin3 Board and target powered by VIN remove R300 J202 8 1 8V VIN 5 5V 3 3V VIN pin2 connected to pin2 connected to pin3 Target powered by 3 3V VIN as pin3 remove R301 remove R300 regulator input 4V VIN 16V EN Tip Use the BOD LEVEL fuse to avoid the following challenges t For the CPU to successfully decode and execute instructions the supplied voltage must always stay above the minimum voltage level set by the chosen operating frequency When supplied voltage drops below this level the CPU may start to execute some instructions incorrectly The result is unexpected activity on the internal data and control lines This activity may cause CPU Registers I O Registers and Data Memories to get corrupted To avoid these problems the CPU should be prevented from executing code during periods of insufficient supply voltage mEDBG The ATmega328PB Xplained Mini board has an embedded debugger programmer enabling debugging and programming of the ATmega328PB without any additional external equipment mEDBG Status LED The mEDBG has a green status LED connected to ATmega32U4 PC6 to signal the embedded debugger state Atmel Atmel ATmega328PB Xplained Mini USER GUIDE 16 Atmel 42469A
4. Tool information Erase Chip Erase now Device information Flash 32 KB Oscillator Calibration CAUsers tbjoernvold Documents svn ATmega328PB_Xplained_Mini 07_Firmware verification_firm v un Memories F Erase device before programming V Verify Flash after programming program vei Res Fuses Lock bits EEPROM 1 KB Mo CAUsers tbjoernvold Documents svn ATmega328P_Xplained_Mini 06_Hardware Verification FW E Y a Production file c V Verify EEPROM after programming Program Verify Read Erasing device OK Programming Flash OK Verifying Flash OK 7 Verifying Flash OK L 4 NOTE If a previous debug session was not closed by selecting Disable debugWIRE and Close in the Debug menu the DWEN fuse will be enabled and the target will still be in debug mode i e it will not be possible to program the target using the SPI o Erasing device failed v Details Atmel Atmel ATmega328PB Xplained Mini USER GUIDE 4 Atmel 42469A ATmega328PB Xplained Mini_User Guide 07 2015 5 Ifthe source file contains fuse settings select Production file and upload the elf file to program the fuses 6 Select Fuses to program the fuses manually Set the fuse s and click Program Recommended fuse settings bas aTML2323020200000051 Device Programming B EN Tool Device Interface Device signature Target Voltage menos sme se aei OAS 33v
5. DWEN fuse No 7 Adebug session is started with a break in main debugging can start 8 When exiting debug mode select Disable debugWIRE and Close in the Debug tab this will disable the DWEN fuse Atmel Atmel ATmega328PB Xplained Mini USER GUIDE 5 Atmel 42469A ATmega328PB Xplained Mini_User Guide 07 2015 Important If not exiting debug mode by selecting Disable debugWIRE and Close in the x Debug menu the DWEN fuse will be enabled and the target will still be in debug mode i e it will not be possible to program the target using the SPI Important If any other CPU CLK than the external CLK supplied by the mEDBG is used the debugWIRE is not guaranteed to work may result in unexpected behaviour This signal is NOT available during a debugging session gt Important Applying a signal to J202 RESET the RESET_SENSE signal while debugging because the RESET line is actively used by the debugWIRE interface 1 4 3 Programming the Target using an External Programmer How to program the target ATmega328PB using the AVR JTAGICE mkll JTAGICE3 Atmel ICE or other Atmel Programmers 1 Connect the External Programmer USB to the PC 2 Connect the External Programmer to the ATmega328PB Xplained Mini board SPI connector 3 Go to Atmel Studio click the Tools tab select Device Programming and select the External Programmer connected as Tool with Device as ATmega328PB and Interface to SPI click Apply 4
6. Ress i Interface settings Fuse Name Value Tool information sovueveL aver rstose E Device information DWEN m Oscillator Calibration nee 9 SPIEN y iemories n z woron E uses 9 EESAVE E Lock bits 9 Boorsz 2048W 3800 Production file esoorrsst M ckovs a ckour SuT_CKSEL EXTCLK 6CK 14CK 65MS v Fuse Register Value EXTENDED OxFE HIGH OxD8 LOW Ox 0 A d Copy to clipboard I uto rea Z Verify after programming Program Verify Rea Z Verify registers OK Close u Ls 1 4 2 Debugging the Target using mEDBG Using the Embedded Debugger on the ATmega328PB Xplained Mini board to debug the ATmega328PB via debugWIRE Start Atmel Studio Connect the Xplained Mini USB to the PC Open your project Click the Project tab and select the project properties click the Tools tab and select mEDBG as debugger and debugWIRE as interface Click the Debug tab and select Start Debugging and Break 6 Atmel Studio will display an error message if the DWEN fuse in the ATmega328PB is not enabled click YES to make Studio set the fuse using the SPI interface Launch Failed i Boo qw gt Failed to launch debug session with debugWIRE This could be caused by reset line circuitry or disabled debugWIRE interface Make sure that the reset line is free before continuing Do you want to use SPI to enable the
7. The external clock will be 1MHz Table 1 1 Available Commands Mode Command External CLK COM port mEDBG program mEDBG debug Sleep OxFB bit2 0 disabled disabled disabled disabled 1MHz OxFD bit1 0 1MHz enabled useless useless Factory settings OXFF 16MHz 5V enabled enabled enabled 8MHz 3V3 mEDBG Fuse Filter The mEDBG does not initially allow users to program the CLK related fuses in the target This is done to avoid problems with the debugger when the target and mEDBG is not in CLK sync This filter can be disabled by issuing the command OxFE bitO 0 enabling configuration of all ATmega328PB fuses How to Issue Commands The command line interface is supported by mEDBG version 1 6 or later The mEDBG command line interface can be accessed with the Python script found on Atmel Spaces Releases mEDBG script zip Atmel ATmega328PB Xplained Mini USER GUIDE 8 Atmel 42469A ATmega328PB Xplained Mini User Guide 07 2015 If you have Studio 7 0 and later versions the mEDBG included supports the command line interface if not the mEDBG can be downloaded from medbg fw zip Basic Python is required to run the script Python can be downloaded from How to issue commands 6 7 8 9 1 Ord ON ER Install Download the file mMEDBG script zip from Unzip the file mEDBG script zip Edit stuff py to issue the selected command c set suffer OxXX Open a command window in the directory where stu
8. and debugging of the ATmega32U4 Table 2 11 J100 JTAG Header J100 pin Signal name Description 1 TCK 2 GND 3 TDO 4 VCC BOARD ATmega32U4 Voc Atmel Atmel ATmega328PB Xplained Mini USER GUIDE 17 Atmel 42469A ATmega328PB Xplained Mini_User Guide 07 2015 2 5 5 2 6 J100 pin Signal name Description 5 TMS 6 RESET Connected to ATmega32U4 only 7 NC 8 9 NC TDI 10 GND mEDBG USB Interface J101 is a Micro B USB connector connected to the embedded debugger ATmega32UA Table 2 12 J101 USB Header 1 VBUS D D NC GND a fF WwW N The VBUS has a resettable PTC fuse F100 with a hold current of 0 5A and a trip current of 1 0A to protect the USB host device Extension Header Area The marked area on the grid I7 to R8 can be used for strapping in an Xplained Pro extension header or a 10 pin Xplained RZ600 header Extension header area SPI SS SPI MISO The SPI bus signals are made available close to the header at row J and K enabling easy connection to header pin 15 to 18 Using Pin 11 to 20 enables connection of the 10 pin connector used on the RZ600 wireless modules and the 10 pin Xplained sensor modules Atmel Atmel ATmega328PB Xplained Mini USER GUIDE 18 Atmel 42469A ATmega328PB Xplained Mini_User Guide 07 2015 2 7 The general bus connections for an Xplained PRO Extension board is indicated in the table below detailed
9. 28PB Xplained Mini_User Guide 07 2015 8 AREF 9 PC4 SDA 2 wire Serial Bus Data Input Output Line Shared with ADC4 10 PC5 SCL 2 wire Serial Bus Clock Line Shared with ADC5 Table 2 2 J201 Digital I O High Low Header 1 PDO TXD ATmega328PB USART Output Pin ppt RXD ATmega328PB USART Input Pin PD2 PD3 PD4 PD5 PD6 PD7 el lolo amp o m 2 2 3 Board Power Header The J202 header enables connection to the ATmega328PB Xplained Mini power system Table 2 3 J202 Power Header Description 2 VCC_TARGET The power source selected for the target Select by J301 3 RESET SENSE This is a RESET signal monitored by the mEDBG if pulled low the target RESET line will be pulled low by the mEDBG The ATmega32U4 internal pull up is enabled This signal is not available during debugging 4 VCC P3V3 The 3 3V regulator output 5 VCC P5VO The selected power source VIN or VBUS selected by J300 6 GND 7 GND 8 VCC_VIN The external power source connection 2 2 3 Target Analogue I O The ATmega328PB ADC input pins are available in the J203 header AREF is available in J200 pin 8 Atmel Atmel ATmega328PB Xplained Mini USER GUIDE 12 Atmel 42469A ATmega328PB Xplained Mini User Guide 07 2015 Table 2 4 J203 Analogue Header J203 pin ATmega328PB pin Function 1 PCO ADC Input Channel 0 2 PC1 ADC Input Channel 1 3 PC2 ADC Input Channel 2 4 PC3 ADC In
10. 469A ATmega328PB Xplained Mini User Guide 07 2015 9 Atmel Interface settings Device information Oscillator Calibration Memories Fuses Lock bits mEDBG Debug host Debug port Serial number ATML2523010200000003 Connection com atmel avrdbg connection cmsis dap Firmware Version la Hardware Version 0 Atmel ATmega328PB Xplained Mini USER GUIDE Atmel 42469A ATmega328PB Xplained Mini User Guide 07 2015 10 2 1 2 2 2 2 1 Hardware User Guide Enter a short description of your concept here optional This is the start of your concept Board Overview The ATmega328PB Xplained Mini headers overview J300 Power source SEREENIEM EI rc 73 4100 JTAG J104 COM J102 BOOT strap mEDBG LED External Clock J202 power I O J200 Digital I O high J203 analogue O J204 SPI User button User LED J201 Digital I O low Target Headers and Connectors The ATmega328PB related headers Target Digital I O The J200 and J201 headers provide access to the ATmega328PB digital I O pins Table 2 1 J200 Digital I O High Byte Header J200 pin ATmega328PB pin Function 1 PBO 2 PB m 3 PB2 SS SPI Bus Master Slave select 4 PB3 MOSI SPI Bus Master Output Slave Input I l5 PBA MISO SPI Bus Master Input Slave Output le PB5 SCK SPI Bus Master clock Input z GND Atmel Atmel ATmega328PB Xplained Mini USER GUIDE 11 Atmel 42469A ATmega3
11. ATmega328PB Xplained Mini User Guide 07 2015 Table 2 9 mEDBG Green Status LED Function mEDBG state LED Enumeration ON During the initial USB connection process the LED is on until enumerated or if not enumerated it is turned off within about 5 seconds Programming ON The LED is on during programming Debugging ON The LED is on when the debugger is running 2 5 2 mEDBG External Clock The mbEDBG ATmega32U4 clock out signal PC7 is connected to the ATmega328PB external clock input signal and can be used as the system clock source The External Clock frequency is 16MHz when the target is running at 5V and 8MHz when running at 3V3 Tip The External Clock can be set to 1MHz to save power using the mEDBG command line interface EN Tip There is a test point marked EXT CLK enabling easy measuring and or connection to the a CLK signal 2 5 3 mEDBG COM Port Connection The mEDBG provide a CDC COM port connection when connected to a USB host device The mEDBG ATmega32U4 USART is used for communication with the CDC COM port The USART TX RX signals are available on the J104 header and are also connected to the ATmega328PB via 00 resistors enabling easy disconnect from the ATmega328PB if needed Table 2 10 J104 USART Header 1 USART TxD PD3 TxD out from ATmega32U4 2 USART RxD PD2 PDO RxD i in to ATmega32U4 2 5 4 mEDBG JTAG Interface The mEDBG ATmega32U4 JTAG interface is available for programming
12. E IMPLIED WARRANTY OF MERCHANTABILITY FITNESS FOR A PARTICULAR PURPOSE OR NON INFRINGEMENT IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT INDIRECT CONSEQUENTIAL PUNITIVE SPECIAL OR INCIDENTAL DAMAGES INCLUDING WITHOUT LIMITATION DAMAGES FOR LOSS AND PROFITS BUSINESS INTERRUPTION OR LOSS OF INFORMATION ARISING OUT OF THE USE OR INABILITY TO USE THIS DOCUMENT EVEN IF ATMEL HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES Atmel makes no representations or warranties with respect to the accuracy or completeness of the contents of this document and reserves the right to make changes to specifications and products descriptions at any time without notice Atmel does not make any commitment to update the information contained herein Unless specifically provided otherwise Atmel products are not suitable for and shall not be used in automotive applications Atmel products are not intended authorized or warranted for use as components in applications intended to support or sustain life SAFETY CRITICAL MILITARY AND AUTOMOTIVE APPLICATIONS DISCLAIMER Atmel products are not designed for and will not be used in connection with any applications where the failure of such products would reasonably be expected to result in significant personal injury or death Safety Critical Applications without an Atmel officer s specific written consent Safety Critical Applications include without limitation life support devices and systems equipment or system
13. Programmer seeeeeene 6 1 4 4 Programming the ATmega32U4 using an External Programmer sss 6 1 4 5 Programming the ATmega32U4 using a Bootloader 7 E2XEESO TOPCee ceeds 8 1 5 1 Custom Assembly dee eet te hed ee elg FR e ne De ERE EUER ENTE e Rae de Vo HOD Quen aa 8 152 Standalone Node eee ipd Loeb e le ed aane HUE 8 1 5 8 Connecting an Arduino Shield sseeee enn eene een 8 1 6 mEDBG Command Line Interface ciere succeeds renean inen ase resa Ree arme ane e 8 1 6 1 mEDBG Low Power Modes sssseeeeeenen ener mener enne nennen 8 16 2 umBEDBG Euse Filter e rr terree ERR ERR to Etna Eee Re PI eben RR REPE S RRNRRRREEA 8 1 6 3 How to Issue Commands ssssssssssssssseeeneeenennenen nennen nnne 8 2 Hardware User OLIEB eiiis ie cunttsk ipai dasmid lintdasatianadaastuGeiantd Uil dnt pad agus Segue Lid 11 21 IO MI 11 2 2 Target Headers and Connectors eee eee aeaa inne san tene Hed aiu a EE deca Et 11 22 1 Target Digital O cee ceed eel ette tte eee ee 11 2 2 4 Board Power Header err REPERI R REX aapi atadai ridhoi Erning 12 2 2 3 Target Analogue l O ssssssssssssseseeeeeeee nnne nennen nennen enne nen tentes nen enne 12 2 2 4 Target Programimlbg ie ennemi pe t repe re prse i ee RP E Ries e
14. Select Memories and locate the source hex or elf file and click Program 1 4 4 Programming the ATmega32U4 using an External Programmer How to program the ATmega32U4 using the AVR JTAGICE mkll JTAGICE3 Atmel ICE or other Atmel Programmers 1 Connect the External Programmer USB to the PC 2 Connect the External Programmer to the ATmega328PB Xplained Mini board JTAG connector 3 Goto Atmel Studio click the Tools tab select Device Programming and select the connected mEDBG as Tool with Device as ATmega32U4 and Interface to JTAG click Apply 4 Select Memories and locate the source hex or elf file and click Program Atmel Atmel ATmega328PB Xplained Mini USER GUIDE 6 Atmel 42469A ATmega328PB Xplained Mini_User Guide 07 2015 r Atmel ICE 41800001190 Device Programmi i W Tool Device Interface Device signature Target Voltage tinge Amau E es 8 Interface settings Device Tool information Erase Chip Erase now Device information Flash 32 KB Oscillator Calibration Tmega328PB_Xplained_Mini 07_Firmware shipment_firmware medbg_images 2 0 0 38 medbg hex m Memories V Erase device before programming V Verify Flash after programming Program very Read uses Lock bits EEPROM 1 KB CAUsers tbjoernvold Documents svn ATSAMD10_Xplained_Mini ATSAMD10 XMINI O7_Firmware Production file VI Verify EEPROM after programming Program Verify Re
15. ad 7 ok L Select Fuses to program the fuses manually Set the fuse s and click Program Recommended fuse settings 7 Atmel ICE 041800001190 Device Programmi i Et Tool Device Interface Device signature Target Voltage Atmel ICE ATmega32U4 JTAG 0x1 E9587 50V E Interface settings Fuse Name Value Tool information GsoDLEVEL 2vo xwee F Device information 9 OCDEN Oscillator Calibration ui QGracEN vi iemories z D SPIEN E worn E Lock bits E EESAVE ivi Production file 9 BooTsz 2048W 3800 z BOOTRST ckoive V ckout y EXTENDED OxF6 E HIGH 0x91 ry LOW OXiE T Copy to clipboard 7 Auto read es 2 V Verify after programming Program very Red Read registers OK Close 1 4 5 Programming the ATmega32U4 using a Bootloader This section describes how to use the bootloader to program the ATmega32U4 Atmel QX lh Sd Oo NI Install the Bootloader interface on the PC download the installer from FLIP Start the Bootloader PC GUI FLIP Short strap J102 Connect the ATmega328PB Xplained Mini board USB connector to the PC Select Device ATmega32U4 Device Select Select USB communication Ctrl U Select memory area to program use the toggle memory button bellow the Atmel logo Select Load Hex file Ctri L Atmel ATmega328PB Xplained Mini USER GUIDE 7 Atm
16. are available on the ATmega328PB Xplained Mini board The QTouch area can be configured as buttons or as a limited slider For a typical button or slider reference design use the QT1 Xplained Pro extension EN Tip There is a range of QTouch reference designs demonstrated with the QT Xplained Pro lt extensions located at Xplained Atmel Xplained prototyping and evaluation platform Table 2 7 QTouch Buttons Wiring Button ATmega328PB PTC A PE2 via 100k Y6 V PE3 via 100k Y7 R PC3 via 100k Y3 S Connected via 0O to A enabling slider configuration In the default HW configuration the QTouch area can be configured in SW as 3 buttons or as a limited slider Atmel Atmel ATmega328PB Xplained Mini USER GUIDE 15 Atmel 42469A ATmega328PB Xplained Mini_User Guide 07 2015 2 4 2 5 2 5 1 To get 4 buttons the S touch area can be connected to e g PC2 by removing the OQ resistor R214 and adding a wire or a 100k resistor from PC2 D1 to the test point in B5 5 On board Power Supply The ATmega328PB Xplained Mini board has an on board 3 3V regulator 150mA which can be used to power the ATmega328PB The J300 and J301 headers configure the ATmega328PB power supply and the board power source The default configuration is set by R300 and R301 00 resistors which can be easily removed to change the default configuration Table 2 8 Board Power Options J301 connection J300 connection target board 5V Default pin2 connected to pin1
17. ars ideae PERS 13 2 2 5 Target Additional l O ssesssssssssseseeeeeneneeneen nennen nnne nennen nene 13 roit O 13 ZROEMEMN ce DER 14 292 User ll B e eee rete rere erry reer ener cree eer rer ere tere er Mi LLLA I ueni D DE 14 VR Cei 15 2 4 On board Power Supply sssssssssssssseen enne enne nn nen terrens nn ten resins en nennt 16 WE dsIcmec 16 2 5 4 mEDBG Sltatus LED eerte i ESPERE LE Enia E desea ted Dueb ek sep pends 16 2 5 2 mEDBOG External CIOCK ce eerta ceti dene ect p dead Re duse 17 2 5 8 mEDBG COM Port Connection ssessseseeneenmenen eene mener 17 2 5 4 MEDBG JTAG Interface iine rotate ener terae cue xe rage adag Ede to va ende 17 2 5 5 MEDBG USB Interface entr rt eda ea ga fad needa dec ue de ec 18 20 Extension Header Ar a ieieroa creto ec ectetur de tla ode ve oda Pied 18 2 7 Factory Programmed sssssssssseseeee eene enne ene en nene enne neret nens enn en nennen nene 19 2 8 Document Revision History ene enne enne nnne 20 Atmel Atmel ATmega328PB Xplained Mini USER GUIDE Atmel 42469A ATmega328PB Xplained Mini_User Guide 07 2015 2 1 Getting Started 1 1 Features The ATmega328PB Xplained Mini evaluation board provides a development platform for the Atmel ATmega328PB Key Features
18. el 42469A ATmega328PB Xplained Mini User Guide 07 2015 1 5 1 5 1 1 5 2 1 5 3 1 6 1 6 1 1 6 2 1 6 3 Atmel 9 Select Programming Options 10 Click Run observe status in status field Board Assembly The Xplained Mini board can easily be assembled into a product prototype for software development and hardware verification Custom Assembly All signals of the ATmega328PB are available in the Xplained Mini board connector grid enabling easy connection of external sensors and output devices in order to prototype the customer specific application Standalone Node The ATmega328PB Xplained Mini board can be used as a standalone node with an external power source e g the 4xAAA or 2xAAA battery pack available from Atmel Connecting an Arduino Shield Arduino shields can be mounted in the marked positions J200 J201 J202 and J203 mEDBG Command Line Interface The mEDBG has a command line interface enabling configuration of the mEDBG mEDBG Low Power Modes There are two modes enabling the Xplained Mini to save power when connected to an external power source other than an USB connection Sleep Mode where the mEDBG is disabled When enabled the ATmega32U4 will enter sleep mode if not enumerated within about 5sec In this mode the external clock is not available to the target MCU 1MHz Mode where the mEDBG ATmega32UA is set to run at 1MHz saving power while maintaining the USB connection for the COM port
19. ff py is located Browse to the folder right click on folder with shift pressed and select Open command window here Connect the Xplained Mini Run stuff py cAPython27 python stuff py The script will print the selected tool and display SUFFER setting Recycle power disconnect connect the board for the change to take effect 0 Edit stuff py to issue the command c set suffer OxFF to reset to factory setting r C Windows system32 cmd exe i Ar C Users thjoernvo ld Documents mEDBG_script gt c Python2 python stuff py CMSIS DAP DLL loaded CMSIS DAP tools detected 1 Tool gt Serial number ATML2523616266660663 Vendor Atmel Product mEDBG CMSIS DAP Device Atmel ATmega328PB Packet size 64 Selected mEDBG CATML2523616266000003 gt Connected Starting session SUFFER reads as xFB SUFFER reads as xFF Ending session CMSIS DLL freed C Users thjoernvo ld Documents mEDBG_script gt _ How to upgrade the Xplained Mini mEDBG Topo Start Atmel Studio Connect the Xplained Mini to the computer In Atmel Studio select Tools Device programming Ctrl Shift P In the Device Programming window select Tool to mEDBG and click Apply If there is a new mEDBG version available the Atmel Studio will ask if you want to upgrade To verify mEDBG version click Tool Information when mEDBG is selected as Tool Atmel ATmega328PB Xplained Mini USER GUIDE Atmel 42
20. in Atmel Studio Atmel Atmel ATmega328PB Xplained Mini USER GUIDE 3 Atmel 42469A ATmega328PB Xplained Mini_User Guide 07 2015 1 3 2 Connect to the COM Port How to connect the ATmega328PB UART to a COM port All Xplained Mini boards have an embedded debugger mEBDG with a number of features among them a CDC COM port which enables the user to connect the ATmega328PB UART to the PC 1 Connect the Xplained Mini USB to the PC 2 ACOM port named mEDBG Virtual COM Port will be available 3 Start a terminal emulator or other applications using the COM port typical COM port settings are 9600 baud N81 1 4 Programming and Debugging Programming and debugging the ATmega328PB Xplained Mini The target micro controller is the ATmega328PB The mEDBG FW is running on the ATmega32U4 1 4 4 Programming the Target using mEDBG Using the Embedded Debugger on the ATmega328PB Xplained Mini board to program the ATmega328PB and setting the fuses 1 Connectthe Xplained Mini USB to the PC 2 Goto Atmel Studio click the Tools tab select Device Programming and select the connected mEDBG as Tool with Device as ATmega328PB and Interface to SPI click Apply 3 Select Memories and locate the source hex or elf file and click Program mEDBG ATML2523010200000003 Device Programming s toe bae f o Tool Device Interface Device signature Target Voltage ATmega328PB IP 0x1E9516 Read 33V E Interface settings Device
21. ll be displayed as text in the terminal window The ATmega32UA is preprogrammed with the mEDBG Atmel Atmel ATmega328PB Xplained Mini USER GUIDE 19 Atmel 42469A ATmega328PB Xplained Mini User Guide 07 2015 2 8 Document Revision History Document revision Comment 42469A 07 2015 Initial document release Atmel Atmel ATmega328PB Xplained Mini USER GUIDE 20 Atmel 42469A ATmega328PB Xplained Mini_User Guide 07 2015 Atmel Enabling Unlimited Possibilities RZmRBgOIN Atmel Corporation 1600 Technology Drive San Jose CA 95110 USA T 1 408 441 0311 F 1 408 436 4200 www atmel com 2015 Atmel Corporation Rev Atmel 42469A ATmega328PB Xplained Mini User Guide 07 2015 Atmel Atmel logo and combinations thereof Enabling Unlimited Possibilities AVR QTouch and others are registered trademarks or trademarks of Atmel Corporation in U S and other countries Other terms and product names may be trademarks of others DISCLAIMER The information in this document is provided in connection with Atmel products No license express or implied by estoppel or otherwise to any intellectual property right is granted by this document or in connection with the sale of Atmel products EXCEPT AS SET FORTH IN THE ATMEL TERMS AND CONDITIONS OF SALES LOCATED ON THE ATMEL WEBSITE ATMEL ASSUMES NO LIABILITY WHATSOEVER AND DISCLAIMS ANY EXPRESS IMPLIED OR STATUTORY WARRANTY RELATING TO ITS PRODUCTS INCLUDING BUT NOT LIMITED TO TH
22. put Channel 3 5 PC4 ADC Input Channel 4 6 PC5 ADC Input Channel 5 2 2 4 Target Programming The J204 header enable direct connection to the SPI bus with an external programmer for programming of the ATmega328PB Table 2 5 SPI Header J204 pin ATmega328PB pin l Function 1 PB4 MISO 2 VCC target 3 PB5 SCK 4 PB3 MOSI 5 PC6 RESET 6 GND 2 2 5 Target Additional I O Signals not available in any of the headers or connectors are available in column 5 of the grid Table 2 6 Additional I O ATmega328PB pin Grid position PEO J5 PE1 I5 PE2 H5 PE3 G5 2 3 Target GUI The ATmega328PB Xplained Mini has One LED one push button and a QTouch area Atmel Atmel ATmega328PB Xplained Mini USER GUIDE Atmel 42469A ATmega328PB Xplained Mini_User Guide 07 2015 13 QTouch SW200 D200 2 3 1 Push Button A general purpose push button SW200 is connected to PB7 USER BUTTON VCC nd SKRAAKEOI0 SW200 GND 2 3 2 User LED There is one yellow LED D200 available for use by the application SW The LED is connected to ATmega328PB pin 17 PB5 and to the SPI bus SCK signal for SCK is in 3 state when not used by the mEDBG Atmel Atmel ATmega328PB Xplained Mini USER GUIDE 14 Atmel 42469A ATmega328PB Xplained Mini User Guide 07 2015 USER LED 2 3 83 QTouch buttons Up to 4 QTouch buttons
23. s for the operation of nuclear facilities and weapons systems Atmel products are not designed nor intended for use in military or aerospace applications or environments unless specifically designated by Atmel as military grade Atmel products are not designed nor intended for use in automotive applications unless specifically designated by Atmel as automotive grade
24. wiring can be found in the selected extension board documentation Table 2 13 Extension Header Typical Signals 1 ID Communication line to the ID chip on the Xplained extension board 2 GND Ground 3 ADC Analog to digital converter alternatively positive part of differential ADC 4 ADC Analog to digital converter alternatively negative part of differential ADC 5 GPIO1 General purpose I O 6 GPIO2 General purpose I O 7 PWM Pulse width modulation alternatively positive part of differential PWM 8 PWM Pulse width modulation alternatively negative part of differential PWM 9 IRQ GPIO Interrupt request line and or general purpose I O 10 SPI SS B Slave B select for SPI and or general purpose I O GPIO 11 I2C_SDA Data line for 12C interface 12 PE SCL Clock line for I C interface 13 UART_RX Receiver line of ATmega328PB USART 14 UART_TX Transmitter line of ATmega328PB USART 15 SPI SS A Slave A select for SPI 16 SPI MOSI Master out slave in line of serial peripheral interface 17 SPI MISO Master in slave out line of serial peripheral interface 18 SPI SCK Clock for serial peripheral interface 19 GND Ground 20 VCC Power for extension board Factory Programmed The ATmega328PB is preprogrammed with a demo program ReMorse Source code is available in Atme Spaces When the CDC COM port is connected to a terminal window 9600 N81 the text you write will be transmitted via the LED in Morse code Any Morse code transmitted by using the switch wi
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