Atmel ATmega324PB User manual
AVR 8-bit Microcontrollers
AT06621: Getting Started with Atmel
ATmega324PB
APPLICATION NOTE
Description
This application note is for getting started with the Atmel® ATmega324PB
AVR® based microcontroller.
Features
•Getting started with the ATmega324PB microcontroller and tools
•Getting started with Atmel ATmega324PB Xplained Pro Kit and Atmel
Studio 7
This application note contains a list of all tools required to start using
ATmega324PB and provides references for additional information.
Atmel-42626A-Getting-Started-with-Atmel-ATmega324PB_AT06621_Application Note-03/2016
Table of Contents
Description.......................................................................................................................1
Features.......................................................................................................................... 1
1. Getting Started with Atmel ATmega324PB................................................................3
1.1. Key Features................................................................................................................................ 3
1.2. Device Related Website Links......................................................................................................3
1.3. ATmega324PB Xplained Pro Kit...................................................................................................5
1.4. Atmel Studio................................................................................................................................. 7
1.4.1. Atmel Studio Webpage ................................................................................................. 7
1.4.2. Atmel Studio Microsite................................................................................................... 7
1.5. Connecting the ATmega324PB Xplained Pro kit.......................................................................... 7
1.5.1. Auto Board Identification of Xplained Pro Kit ................................................................8
1.5.2. Connect the ATmega324PB Xplained Pro UART to the EDBG COM Port....................9
2. Creating an Example Application in Atmel Studio................................................... 10
3. What’s next?............................................................................................................13
4. Revision History.......................................................................................................14
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1. Getting Started with Atmel ATmega324PB
1.1. Key Features
•AVR (Harvard) architecture
•Single level pipelining
•In-system reprogrammable flash memory
•Separate EEPROM section available
•Optional boot code section with independent lock bits
•20MIPS @ 20MHz
•Most single clock cycle execution
•Low-power microcontroller with various sleep modes
•High code density (advanced RISC Instruction Set)
•On-chip hardware multiplier
•Short interrupt latency four clock cycles
•Factory calibrated internal RC oscillator
•Security with fuses and lock bits
•Atmel QTouch® Library support
•Compatibility between devices (portability)
•Peripheral touch controller
•Clock Failure Detection (CFD)
Note: For more information about ATmega324PB, refer to the device datasheet.
1.2. Device Related Website Links
The ATmega324PB product webpage is available at:
http://www.atmel.com/devices/ATMEGA324PB.aspx
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Figure 1-1. Device Webpage
The product webpage has five tabs that provide specific information related to the device.
•The Overview tab provides the basic information related to the device such as Key Parameters,
Datasheet, link to buy the device, etc.
http://www.atmel.com/devices/ATMEGA324PB.aspx?tab=overview
•The Parameters tab provides the details of various configuration parameters for the device.
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http://www.atmel.com/devices/ATMEGA324PB.aspx?tab=parameters
•The Documents tab provides all the related documents such as datasheet and application notes.
http://www.atmel.com/devices/ATMEGA324PB.aspx?tab=documents
–The Datasheet section contains two types of datasheets:
Preliminary / Complete version includes all peripheral descriptions and electrical
characteristics.
Preliminary Summary / Summary version includes ordering information, pin out, and
packaging information.
–The Application Notes section has the device related Application Notes such as Peripheral
Usage, Getting Started, Hardware design considerations, etc. and its associated firmware (if
available).
•The Applications tab provides the recommended application areas (not limited to) for this device.
http://www.atmel.com/devices/ATMEGA324PB.aspx?tab=applications
•The Tools tab, all the related tools such as IDE, Programmer, Debugger, Evaluation Kits, BSDL
files are listed. This tab features the link to ATmega324PB Xplained Pro kit’s webpage.
http://www.atmel.com/devices/ATMEGA324PB.aspx?tab=tools
1.3. ATmega324PB Xplained Pro Kit
The details about ATmega324PB Xplained Pro Kit is available in the following link.
http://www.atmel.com/tools/ATMEGA324PB-XPRO.aspx
Device Ordering Information is available in the bottom section of the page.
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Figure 1-2. ATmega324PB Xplained Pro Webpage
Documents tab displays the kit related documents such as schematics and user guides.
http://www.atmel.com/tools/ATMEGA324PB-XPRO.aspx?tab=documents
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Note: For detailed information about the kit such as headers and connections, refer to ATmega324PB
Xplained Pro User Guide.
1.4. Atmel Studio
1.4.1. Atmel Studio Webpage
The Atmel Studio installer (free IDE) is available at:
http://www.atmel.com/tools/ATMELSTUDIO.aspx
1.4.2. Atmel Studio Microsite
To learn more about Atmel Studio, refer to the following microsite:
http://www.atmel.com/microsite/atmel-studio/
Figure 1-3. Atmel Studio Microsite Webpage
In the Videos tab the getting started videos such as creating a new C (GCC) project, debugging AVR
applications, debugging ARM® applications, etc. are available.
http://www.atmel.com/Microsite/atmel-studio/videos.aspx
1.5. Connecting the ATmega324PB Xplained Pro kit
This section helps the user to connect the ATmega324PB Xplained Pro with the Atmel Studio 7.
1. Download and install Atmel Studio 7 or later versions.
2. Launch the Atmel Studio.
3. Connect the ATmega324PB Xplained Pro to the USB port.It will be visible in the Atmel Studio.
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1.5.1. Auto Board Identification of Xplained Pro Kit
•When the ATmega324PB Xplained Pro kit is connected to the PC, the Windows® Task bar will pop-
up a message, as displayed in the following screenshot.
Figure 1-4. ATmega324PB Xplained Pro Driver Installation
•If the driver installation is successful, EDBG will be listed in the Device Manager, as displayed in the
following screenshot.
Figure 1-5. Successful EDBG Driver Installation
•Open Atmel Studio.
•Go to, View > Available Atmel Tools. The EDBG should be listed in the tools as EDBG and the
tool status should display as Connected. This indicates that the tool is communicating as expected
with the Atmel Studio.
Figure 1-6. EDBG under Available Atmel Tools
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1.5.2. Connect the ATmega324PB Xplained Pro UART to the EDBG COM Port
1. Connect the EDBG USB to the PC.
2. Use the Device Manager to find the COM port number.
3. Default COM port settings are 9600 baud N 8 1. The COM port settings can be changed by using
the Device Manager.
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2. Creating an Example Application in Atmel Studio
1. After connecting the board, to create a new project in Atmel Studio, go to File > New > Project.
Figure 2-1. Creating New Project in Atmel Studio
2. In the New Project wizard displayed, select the GCC C executable Project template, name the
project, and click OK to get the Device Selection wizard.
Figure 2-2. New Project Wizard
3. The Device Selection wizard appears as shown in the following image. Select the ATmega324PB
device from megaAVR® device family and click OK.
Figure 2-3. Device Selection Wizard
4. The new project and the main.c file will be created as follows.
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