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Atmel ATAB5749 Application Note
Atmel ATAB5749 Application Note

Atmel ATAB5749 Application Note

Getting started using rf design kit software

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APPLICATION NOTE
Getting Started with ATAB5749
Using RF Design Kit Software
ATAB5749
Introduction
®
The Atmel
software development tool RF Design Kit enables the programming and setting
of a wide range of RF automotive products to build RF systems for development purposes.
The software is particularly suitable for setting parameters of UHF receiver and transmitter
demo boards.
The ATA5749, Atmel's newest UHF transmitter, boasts many new features. The main new
feature is its programability. Parameters such as transmit power, the transmit frequency,
and the frequency deviation for FSK modulation can be programmed. The latest RF Design
Kit (version 1.0.7) supports the ATAB5749, which is the demo board for the transmitter
ATA5749. This application note provides an introductions to using the ATAB5749 with the
RF Design Kit software.
9138B-AUTO-07/15

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Summary of Contents for Atmel ATAB5749

  • Page 1 FSK modulation can be programmed. The latest RF Design Kit (version 1.0.7) supports the ATAB5749, which is the demo board for the transmitter ATA5749. This application note provides an introductions to using the ATAB5749 with the RF Design Kit software.
  • Page 2 Transmitter matched to the loop antenna. Note: Atmel offer 2 different demo boards for the ATA5749 due to the Loop Antenna matching, matching to the 315MHz and 433.92MHz. Generally the ATA5749 can be set in both 315MHz and 433.92MHz transmit frequency with one 13.0MHz crys- tal.
  • Page 3 Figure 1-2. Schematic of the Demo Board ATAB5749 Loop Antenna w = 1 mm 25 mm x 25 mm XTO2 ANT1 Quarz Quarz XTO1 ANT2 SDIN_TXDIN C11 C12 CLK1 STXDIN1 SCK1 GND1 BA2032SM PB2_ENABLE PD4_SCK PD1_SDI PD1_SDI MOSI PD4_SCK GND3...
  • Page 4 Figure 1-3. Top Layer of the Demo Board ATAB5749 Figure 1-4. Bottom Layer of the Demo Board ATAB5749 ATAB5749 [APPLICATION NOTE] 9138B–AUTO–07/15...
  • Page 5 Figure 1-5. Designator Table 1-1. Bill of Material of the Demo Board ATAB5749 Manufacturer/ Components Pieces 315MHz 433MHz Value Tolerance Material Housing Distributor BR1, BR2, 0603 BR3, BR4 R2, BR5 0402 R3, R4 1k 0603 ® 100nF 0603 Murata C2, C3...
  • Page 6 Button S3: Continuous carrier (unmodulated) In order to use the ATAB5749 board, an additional board as well as the RF Design Kit software is needed. Either the ATAB-RFMB or ATAB-STK-F is used as a microprocessor board interfacing the RF Design Kit software and the transmitter board.
  • Page 7 1.0.10. This information can be also seen from the Help menu. Please refer to Figure 2-2. Figure 2-2. Information Window of the AVR Software Version on the Microprocessor Board ATAB5749 [APPLICATION NOTE] 9138B–AUTO–07/15...
  • Page 8 After clicking the Transmitter Information button, the Info dialog box is displayed (see Figure 2-4). The firmware version and the type of transmitter board is displayed. Figure 2-4. Information Window of the Firmware Version and the Type of the Transmitter Board ATAB5749 [APPLICATION NOTE] 9138B–AUTO–07/15...
  • Page 9 Figure 2-5. Transmitter Section by the Corresponding Part Number ● After selecting the correct transmitter, in this case the ATA5749 (315MHz) or ATA5749 (433MHz), a menu of parameter settings is displayed (see Figure 2-6). Figure 2-6. Parameter Settings of the Corresponding Part Number ATAB5749 [APPLICATION NOTE] 9138B–AUTO–07/15...
  • Page 10 The green check mark in the drop down menu shows the FREQ values allowed; the red cross shows the values not allowed. ● Modulation: sets the modulation of the board either to ASK Mode or FSK Mode ATAB5749 [APPLICATION NOTE] 9138B–AUTO–07/15...
  • Page 11 Clock On: this menu allows the user to switch on and off the clock output of the ATA5749. Under normal operation of the ATAB5749, the clock output of the transmitter must be always switched on because the data generated by the microprocessor is derived from this clock frequency.
  • Page 12 After programming the parameters, the transmitter board can be unplugged from the interface on the microprocessor board. ● Insert the lithium cell into the battery holder of the transmitter board. ● The transmitter board is ready for verification. ATAB5749 [APPLICATION NOTE] 9138B–AUTO–07/15...
  • Page 13 R7. A grey jack is generally delivered with the older version of the Atmel transmitter board. This is not the case for ATAB5749. This kind of jack may not be used for ATAB5749; if used, the functionality of the board is not guaranteed.
  • Page 14 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.
  • Page 15 Mouser Electronics Authorized Distributor Click to View Pricing, Inventory, Delivery & Lifecycle Information: Microchip ATAB5749-3 ATAB5749-4...