Atmel ATMEGA256RFR2 Xplained Pro User Manual
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USER GUIDE
Atmel ATMEGA256RFR2 Xplained Pro
Preface
The Atmel® ATMEGA256RFR2 Xplained Pro evaluation kit is hardware platform
to evaluate the ATmega256RFR2 microcontroller.
Supported by the Atmel Studio integrated development platform, the kit provides
easy access to the features of the Atmel ATmega256RFR2 and explains how to
integrate the device in a customer design.
The Xplained Pro MCU series evaluation kits include an on-board Embedded
Debugger, and no external tools are necessary to program or debug the
ATmega256RFR2.
The Xplained Pro extension series evaluation kits offers additional peripherals to
extend the features of the board and ease the development of customer designs.
42079C-MCU-05/2013
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Table of Contents
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Summary of Contents for Atmel ATMEGA256RFR2 Xplained Pro
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Page 1: Preface
ATmega256RFR2 microcontroller. Supported by the Atmel Studio integrated development platform, the kit provides easy access to the features of the Atmel ATmega256RFR2 and explains how to integrate the device in a customer design. The Xplained Pro MCU series evaluation kits include an on-board Embedded Debugger, and no external tools are necessary to program or debug the ATmega256RFR2. -
Page 2: Table Of Contents
6. Hardware revision history and known issues ......18 6.1. Identifying product ID and revision .......... 18 6.2. Revision 3 ................18 7. Document revision history ............. 19 8. Evaluation board/kit important notice ........20 Atmel ATMEGA256RFR2 Xplained Pro [USER GUIDE] 42079C-MCU-05/2013... -
Page 3: Introduction
● 32kHz crystal Kit overview The Atmel ATMEGA256RFR2 Xplained Pro evaluation kit is a hardware platform to evaluate the Atmel ATmega256RFR2. The kit offers a set of features that enables the ATmega256RFR2 user to get started using the ATmega256RFR2 peripherals right away and to get an understanding of how to integrate the device in their own design. - Page 4 Figure 1-1. ATMEGA256RFR2 Xplained Pro evaluation kit overview. Atmel ATMEGA256RFR2 Xplained Pro [USER GUIDE] 42079C-MCU-05/2013...
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Page 5: Getting Started
- Atmel Xplained Pro is a series of small-sized and easy-to-use evaluation kits for 8- and 32-bit Atmel microcontrollers. It consists of a series of low cost MCU boards for evaluation and demonstration of features and capabilities of different MCU families. -
Page 6: Xplained Pro
EDBG for more accurate tracing of events. Note that timestamping imposes an overhead that reduces maximal throughput. The DGI uses a proprietary protocol, and is thus only compatible with Atmel Studio. The EDBG controls two LEDs on ATMEGA256RFR2 Xplained Pro, a power LED and a status LED. Table 3-1, “EDBG LED control”... -
Page 7: Power Supply
Maximum Current [mA] uint16_t Power supply The ATMEGA256RFR2 Xplained Pro kit can be powered either by USB or by an external power source through the 4-pin power header, marked PWR. This connector is described in “Power header” on page 8. The available power sources and specifications are listed in Table 3-3, “Power sources for ATMEGA256RFR2... -
Page 8: Power Header
3.4.2 Power header The power header can be used to connect external power to the ATMEGA256RFR2 Xplained Pro kit. The kit will automatically detect and switch to the external power if supplied. The power header can also be used as supply for external peripherals or extension boards. Care must be taken not to exceed the total current limitation of the on-board regulator for the 3.3V regulated output. -
Page 9: Hardware User Guide
4.1.1 I/O extension headers The ATMEGA256RFR2 Xplained Pro headers EXT1, EXT2, EXT3, EXT4 and EXT5 offers access to the I/O of the microcontroller in order to expand the board e.g. by connecting extension modules to the board. These headers all comply with the standard extension header specified in Xplained Pro Standard Extension Header. - Page 10 All other EXT headers. TWI SCL All other EXT headers. UART0 RXD All other EXT headers. EXT2, EXT3 and EXT5 connected through cut- strap. UART0 TXD All other EXT headers. EXT2, EXT3 and EXT5 Atmel ATMEGA256RFR2 Xplained Pro [USER GUIDE] 42079C-MCU-05/2013...
- Page 11 SPI MISO All other EXT headers. SPI SCK All other EXT headers. Table 4-5. Extension header EXT5 Pin on EXT5 ATmega256RFR2 pin Function Shared functionality Communication line to ID chip on extension board. Atmel ATMEGA256RFR2 Xplained Pro [USER GUIDE] 42079C-MCU-05/2013...
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Page 12: Other Headers
In addition to the “I/O extension headers” on page 9, ATMEGA256RFR2 Xplained Pro has additionally two headers with spare signals which offers access to the I/O of the microcontroller which are otherwise not easily available elsewhere or might be favourable to have collected toghether. All headers have a pitch of 2.54mm. -
Page 13: Peripherals
RSTN RESET 4.2.3 There is one yellow LED available on the ATMEGA256RFR2 Xplained Pro board that can be turned on and off. The LED can be activated by driving the connected I/O line to GND. Table 4-11. LED connections Pin on ATmega256RFR2 Yellow LED 4.2.4... -
Page 14: Temperature Sensor
A1 and low for A2, through 100kΩ resistors, which makes the default addresses 0b1001011 and 0b1010011. Soldering the the straps on the front of the ATMEGA256RFR2 Xplained Pro board for An will alter that bit in the address to low or high. Each strap is marked in silkscreen with A0, A1 and A2 as shown in Figure 4-1, “Temperature sensor TWI... -
Page 15: Virtual Com Port
Atmel Data Gateway Interface The Embedded Debugger features an Atmel Data Gateway Interface (DGI) by using either a SPI or TWI port. The DGI can be used to send a variety of data from the ATmega256RFR2 to the host PC. For further information on how to use the DGI interface see “Embedded Debugger”... -
Page 16: Agency Certification
This equipment complies with Part 15 of the FCC rules and regulations. To fulfill FCC Certification requirements, an OEM manufacturer must comply with the following regulations: 1. This equipment (ATMEGA256RFR2 Xplained Pro) is for use for evaluation purposes only and must not be incorporated into any other device or system. -
Page 17: List Of Antennae Tested With This Product
Table 5-1. List of tested Antennae Antenna Number Make Model/Part # Antenna Gain Type of Antenna (dBi) Antenna 1 Johanson 2450AT18D0100 1.5dBi Ceramic Antenna Technology Antenna 2 Techfun Co., Ltd M01-SS2 0dBi External Antenna Atmel ATMEGA256RFR2 Xplained Pro [USER GUIDE] 42079C-MCU-05/2013... -
Page 18: Hardware Revision History And Known Issues
Hardware revision history and known issues Identifying product ID and revision The revision and product identifier of Xplained Pro boards can be found in two ways, through Atmel Studio or by looking at the sticker on the bottom side of the PCB. -
Page 19: Document Revision History
Document revision history Doc. Rev. Date Comment 21.05.2013 Added chapter 5.3: "Antennae tested with this product" 24.04.2013 Added Agency Certification chapter 25.02.2013 First release Atmel ATMEGA256RFR2 Xplained Pro [USER GUIDE] 42079C-MCU-05/2013... -
Page 20: Evaluation Board/Kit Important Notice
The user assumes all responsibility and liability for proper and safe handling of the goods. Further, the user indemnifies Atmel from all claims arising from the handling or use of the goods. Due to the open construction of the product, it is the user's responsibility to take any and all appropriate precautions with regard to electrostatic discharge and any other technical or legal concerns. - Page 21 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, THE IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT.
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