NXP Semiconductors FREESCALE MC13192 Reference Manual
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NXP Semiconductors FREESCALE MC13192 Reference Manual

NXP Semiconductors FREESCALE MC13192 Reference Manual

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MC13192 Evaluation Board
Reference Manual
Document Number: MC13192EVBRM
Rev. 1.2
09/2006

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Summary of Contents for NXP Semiconductors FREESCALE MC13192

  • Page 1 MC13192 Evaluation Board Reference Manual Document Number: MC13192EVBRM Rev. 1.2 09/2006...
  • Page 2 How to Reach Us: Information in this document is provided solely to enable system and software implementers to use Freescale Semiconductor products. There are no express or implied copyright licenses granted Home Page: hereunder to design or fabricate any integrated circuits or integrated circuits based on the information www.freescale.com in this document.

  • Page 3: Table Of Contents

    Contents About This Book Audience ..............iii Organization .
  • Page 4 Chapter 4 PCB and MC13192EVB Interfaces USB Interface ............. . . 4-1 RS-232 Interface .

  • Page 5: About This Book

    (MC13192EVB). The MC13192EVB provides all the necessary components to evaluate and use the MC13192. The MC13192EVB is built around the Freescale MC13192 2.4 GHz transceiver. The Freescale MC9S08GT60 microcontroller unit controls the MC13192. The MC13192EVB is compliant to the following standards: •...

  • Page 6: Conventions

    Conventions This document uses the following notational conventions: • indicate commands, command parameters, code examples, expressions, Courier monospaced type datatypes, and directives. • Italic type indicates replaceable command parameters. • All source code examples are in C. Definitions, Acronyms, and Abbreviations The following list defines the acronyms and abbreviations used in this document.

  • Page 7: References

    References The following sources were referenced to produce this book: [1] MC13192 Data Sheet, MC13192DS [2] MC9S08GT60 Data Sheet, MC9S08GT60 [3] MBC13900 Data Sheet, MBC13900 MC13192EVB Reference Manual, Rev. 1.2 Freescale Semiconductor...
  • Page 8 MC13192EVB Reference Manual, Rev. 1.2 Freescale Semiconductor...

  • Page 9: Safety Information

    Chapter 1 Safety Information Any modifications to this product may violate the rules of the Federal Communications Commission and make operation of the product unlawful. 47 C.F.R. Sec. 15.21 This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules.
  • Page 10 Safety Information MC13192EVB Reference Manual, Rev. 1.2 Freescale Semiconductor...

  • Page 11: System Overview

    Chapter 2 System Overview This chapter introduces the basic components, functionality, and power supply options of the MC13192EVB. Also included in this chapter are the schematic and Bill of Materials (BOM) for the MC13192EVB. For more information on applications used to evaluate the Freescale ZigBee/802.15.4 solution, refer to the ZigBee/802.15.4 Evaluation Kit Quick Start Guide, AN2772.

  • Page 12: General-Purpose I/O And Peripheral Ports

    System Overview General-Purpose I/O and Peripheral Ports Thirty eight pins are shared among general-purpose I/O (GPIO) and on-chip peripheral functions. The MC9S08GTxx has six I/O ports, which include a total of up to 38 GPIO pins (one pin, PTG0, is output only).

  • Page 13: Power-Saving Modes

    System Overview Table 2-1. GPIO Port Allocation MCU Port Functionality Input/Output PTC6 Pin Header, J107 Input/Output PTC7 Pin Header, J107 Input/Output PTD0/TPM1CH0 LED, LED1 Output PTD1/TPM1CH0 LED, LED2 Output PTD2/TPM1CH0 Pin Header, J107 Input/Output PTD3/TPM1CH0 LED, LED3 Output PTD4/TPM1CH0 LED, LED4 Output PTE0/TxD1 SCI1, RS-232, (TX)

  • Page 14: Background Debug Module (Bdm) Interface

    System Overview Background Debug Module (BDM) Interface A Background Debug Module (BDM) interface is available on the MC13192EVB. The BDM interfaces to the MCU which provides an interface for programming the on-chip FLASH. The BDM connector provides the ability to connect a debug interface for development and accessing different memory data. The BDM interface can also be used for traditional debugging.

  • Page 15: Schematic And Bill Of Materials (Bom)

    System Overview Schematic and Bill of Materials (BOM) This section contains the 13192-EVB schematic and BOM. Figure 2-1. Schematic MC13192EVB Reference Manual, Rev. 1.2 Freescale Semiconductor...
  • Page 16 System Overview Figure 2-2. Bill of Materials (1 of 2) MC13192EVB Reference Manual, Rev. 1.2 Freescale Semiconductor...
  • Page 17 System Overview Figure 2-3. Bill of Materials (2 of 2) MC13192EVB Reference Manual, Rev. 1.2 Freescale Semiconductor...
  • Page 18 System Overview MC13192EVB Reference Manual, Rev. 1.2 Freescale Semiconductor...

  • Page 19: Rf Front End

    Chapter 3 RF Front End The MC13192EVB is designed to show a high performance, small form factor solution interfacing to a single antenna. A built in, high performance, PCB antenna enables the design to be evaluated as-is, while an SMA connector allows for easy RF testing and evaluation of other antenna designs. Other reference designs demonstrate low cost solutions, integrated antenna designs, and the lowest Bill of Material (BOM) count possible.

  • Page 20: The Transmit (Tx) Chain

    RF Front End The Transmit (TX) Chain The TX output is a differential open drain output, which should be loaded with a 200 Ohm differential to provide 2 dBm output power (nominal). A 50:200 Ohm balun is used to load the output correctly. A DC path from VDDA is necessary to supply the output stage and is provided via the center tap on the balun.

  • Page 21: Low Noise Amplifier (Lna)

    RF Front End Figure 3-2. Receiver Performance Curves Return loss without R109 and with L101 = 6.8 nH. Tuning is slightly on the low side on this particular PCB, but adequate. C102 provides better balance and added static protection. The inputs will stand the usual capacitive 150 pF discharge test, but it is more sensitive than the other pins.

  • Page 22: Enabling The Lna

    RF Front End Ohm impedance to this value, as shown in Figure 3-4. Output impedance is close to 64-j70 Ohm. L105 and C105 matches this to 50 Ohm. The transistor is normally stable at most loads, but the 220 Ohm collector loading resistor ensures stability at all load angles.
  • Page 23 RF Front End Figure 3-5. Factory Default Capacitor Installation (LNA Disabled) Figure 3-6 shows C128 and C134 installed to enable the LNA. C134 C128 Figure 3-6. After Capacitor Modifications (LNA Enabled) MC13192EVB Reference Manual, Rev. 1.2 Freescale Semiconductor...

  • Page 24: Lna Bias Circuits

    RF Front End LNA Bias Circuits 3V0_LNA GPIO1 R119 100K R112 R108 Not Mounted 100K 150R C115 C132 L104 10pF 100pF 5.6nH L105 R140 1.5nH 220R C105 Output, 50 Ohm C128 MBC13900 1.0pF Input, 50 Ohm Q101 10pF Figure 3-7. Basic LNA Bias Circuit Schematic The default LNA bias runs through R112 with a nominal bias of 3.75 mA.

  • Page 25: Reference Oscillator

    RF Front End Bias control VCC_LNA 2-3.6V Biasing options R1 08 R1 12 22K 150R LNACtrl Q103 R1 05 22K No t Mounted MMBT39 06 GPIO1 R1 19 22K No t Mounted R1 07 470K Q102 AntCtrl MMBT39 04 R1 06 470K C1 32 C1 15 L104...

  • Page 26: Internal Power Supplies

    RF Front End This inverter type reference oscillator requires two external load capacitors to resonate the crystal. Because the oscillator runs with a very low current draw (11 µA), crystals with a load capacitance of 6-8 pF are recommended to ensure proper oscillation. The crystal should also have a low Co value. A built-in switched capacitor bank allows fine tuning of the reference frequency.

  • Page 27: Output Filter

    RF Front End 3.8.2 Output Filter L103 and C112 can be left out in many applications, but spurious performance should be tested. If the antenna does not have a DC connection to ground, C104 can be left out. 3.8.3 Switch In the case of a dual antenna approach, C103, C104, and the switch can be left out.
  • Page 28 RF Front End Figure 3-10. Antenna Return Loss Performance Curve EVK vertical PCB radiation pattern: EVK horisontal PCB radiation pattern: Vert. polarisation (dBi) Hor. polarisation (dBi) Vert. polarisation (dBi) Hor. polarisation (dBi) Figure 3-11. Typical Radiation Patterns It is possible to evaluate other antenna designs by using the SMA connector. MC13192EVB Reference Manual, Rev.

  • Page 29: Rf Measurements

    RF Front End RF Measurements The measurements presented here are typical values as measured on the MC13192EVB. These values do not represent guaranteed performance. 3.9.1 RX Sensitivity The input level is adjusted until 100 mV RMS appears on GPIO4. Actual sensitivity at 1% Packet Error Rate (PER) is reached at approximately 20 mV PP at GPIO4, so a correction factor of 23 dB is employed.
  • Page 30 RF Front End EVB Power / harmonics Fund. 2.nd 3.rd Spec Pow er setting (Hex) Figure 3-12. Power Output and Harmonics Versus Power Setting Po (dBm) Po (dBm) Figure 3-13. Output Power Versus Power Setting MC13192EVB Reference Manual, Rev. 1.2 3-12 Freescale Semiconductor...
  • Page 31 RF Front End I (mA) I (mA) Figure 3-14. Current Consumption Versus Power Setting MC13192EVB Reference Manual, Rev. 1.2 Freescale Semiconductor 3-13...
  • Page 32 RF Front End MC13192EVB Reference Manual, Rev. 1.2 3-14 Freescale Semiconductor...
  • Page 33 Chapter 4 PCB and MC13192EVB Interfaces The EVB can communicate with the Test Tools either through the USB or RS-232 port. USB Interface The MCU does not contain a dedicated USB port. To support USB, an all in one IC is used. This IC interfaces between the UART and the USB port on a personal computer (PC).
  • Page 34 PCB and MC13192EVB Interfaces MC13192EVB Reference Manual, Rev. 1.2 Freescale Semiconductor...

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