Manuels d'utilisation pour dresden elektronik ingenieurtechnik gmbh MEGA22M00

Table des matières

• 1. Overview

  6
• 2. Applications

  6
• 3. Features

  7
  • 3.1. deRFmega128-22M00

    7
  • 3.2. deRFmega128-22M10

    8
  • 3.3. deRFmega128-22M12

    9
• 4. Technical data

  10
  • 4.1. TX Power register settings for deRFmega128-22M00 and 22M10

    13
  • 4.2. TX Power register settings for deRFmega128-22M12

    14
  • 4.3. Output power and duty cycle settings for deRFmega128-22M00

    15
  • 4.4. Output power and duty cycle settings for deRFmega128-22M12

    16
• 5. Mechanical size

  17
  • 5.1. deRFmega128-22M00

    17
  • 5.2. deRFmega128-22M10

    18
  • 5.3. deRFmega128-22M12

    19
• 6. Soldering profile

  20
• 7. Pin assignment

  21
  • 7.1. Signals of deRFmega128-22M00

    21
  • 7.2. Signals of deRFmega128-22M10

    24
    • 7.2.1. External front-end and antenna diversity control

      27
  • 7.3. Signals of deRFmega128-22M12

    28
    • 7.3.1. Internal front-end control

      31
  • 7.4. Signal description

    32
• 8. PCB design

  34
  • 8.1. Technology

    34
  • 8.2. Base board footprint

    34
    • 8.2.1. Footprint of deRFmega128-22M00

      35
    • 8.2.2. Footprint of deRFmega128-22M10

      36
    • 8.2.3. Footprint of deRFmega128-22M12

      37
  • 8.3. Ground plane

    37
  • 8.4. Layers

    38
  • 8.5. Traces

    39
  • 8.6. Placement on the PCB

    40
• 9. Clock

  41
• 10. Application circuits

  42
  • 10.1. UART

    42
  • 10.2. ISP

    42
  • 10.3. JTAG

    42
  • 10.4. TWI

    43
  • 10.5. External front-end and antenna diversity

    44
• 11. Programming

  46
• 12. Pre-flashed firmware

  46
• 13. Adapter boards

  46
• 14. Radio certification

  47
  • 14.1. United States (FCC)

    47
  • 14.2. European Union (ETSI)

    48
  • 14.3. Approved antennas

    48
• 15. Ordering information

  49
• 16. Packaging dimension

  50
• 17. Revision notes

  50
• 18. References

  51