Low Power RF & Wireless Connectivity

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Low Power RF & Wireless Connectivity

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  • Wiki Page: DN030 ACR Measurements on IEEE 802.15.4 Systems

    Glenn B
    This design note discusses theoretical as well as practical limitations encountered when measuring ACR, with special emphasis on IEEE 802.15.4 receivers http://www.ti.com/lit/swra255
    on Feb 24, 2012

  • Wiki Page: Over the Air Download (Z-Stack, ZigBee, TIMAC)

    Kjetil
    Q: FAQ: Over the Air Download (Z-Stack, ZigBee, TIMAC) Z-stack and TIMAC support for Over the Air download. Z-stack supports Over the Air firmware upgrade for CC2430 devices. The CC2430 needs external memory to support this. An own PC application for Over the Air Download (OAD) called Z-OAD is...
    on Nov 22, 2010

  • Wiki Page: MSP430 TIMAC Code Size

    Kjetil
    Q: FAQ: MSP430 TIMAC Code Size Configuration Code Ram Non-Beacon Coordinator 13.2k 307 Non-Beacon Device 12.4k 315 Non-Beacon Coordinator + Device 14.7k 329
    on Nov 22, 2010

  • Wiki Page: MCU platforms supported by the TIMAC and ZigBee Z-StackTM software

    Kjetil
    Q: FAQ: MCU platforms supported by the TIMAC and ZigBee Z-StackTM software The recent releases of TIMAC (beginning with v1.0.1) supports TI MSP430, CC2430 and CC2431 (with 8051 MCU core) platforms. The recent releases of the Z-Stack (beginning with v1.4.0) supports Atmel AVR, CC2430 and CC2431 (with...
    on Nov 22, 2010

  • Wiki Page: Information about ZigBee and the IEEE 802.15.4 standards

    Kjetil
    Q: FAQ: Information about ZigBee and the IEEE 802.15.4 standards The latest ZigBee spec can be downloaded from the ZigBee web site: http://www.zigbee.org/en/spec_download/download_request.asp The IEEE 802.15.4 standard, which defines the PHY and the MAC layer, is available for download at: http:/...
    on Nov 22, 2010

  • Wiki Page: Indirect messaging (Z-Stack, TIMAC, ZigBee)

    Kjetil
    Q: FAQ: Indirect messaging (Z-Stack, TIMAC, ZigBee) Parent routers storing data for sleeping End Devices. Using indirect messaging between a Router and an associated End Device, the parent stores the packet for the sleeping end device for a duration based on the NIB attribute TransactionPersistenceTime...
    on Nov 22, 2010

  • Wiki Page: Forcing a coordinator to establish a network (Z-Stack, ZigBee, TIMAC)

    Kjetil
    Q: FAQ: Forcing a coordinator to establish a network (Z-Stack, ZigBee, TIMAC) How to force a coordinator to establish network regardless of the channel condition By increasing MAX_SCAN_ENERGY the coordinator will be more tolerant towards interference when scanning the channels.
    on Nov 22, 2010

  • Wiki Page: Default behaviour of TIMAC coordinator discovery

    Kjetil
    What is the default behaviour of the TIMAC when one has two coordinators on different PANs but with the same short address? If you are using the TIMAC and you have different coordinators on different PANs, then a device will not report both coordinators in the scan result. See the function macScanRxBeacon...
    on Nov 22, 2010

  • Wiki Page: Copyright (c) for Z-stack and TIMAC

    Kjetil
    Q: FAQ: Copyright (c) for Z-stack and TIMAC The code pages of Z-stack and TIMAC has headers that state this: Copyright (c) 2007 by Texas Instruments, Inc. All Rights Reserved. Permission to use, reproduce, copy, prepare derivative works, modify, distribute, perform, display or sell this...
    on Nov 22, 2010

  • Wiki Page: Compiler support for 8051 based System-on-Chip devices (SoC)

    Kjetil
    Q: FAQ: Compiler support for 8051 based System-on-Chip devices (SoC) 8051 based System-on-Chip (SoC) devices are supported by the EW8051 compiler from IAR ( www.iar.com ) An evaluation version of the compiler can be downloaded from: www.iar.com/p882/p882_eng.php The SoC device contains an on-chip...
    on Nov 22, 2010

  • Wiki Page: Changing channel in Z-Stack & TIMAC

    Kjetil
    Q: FAQ: Changing channel in Z-Stack & TIMAC The channel is changed the following way in Z-Stack: 1. Open the Z-Stack IAR EW project. 2. Open the Tools folder and the file "f8wConfig.cfg" 3. Change the bit map field DEFAULT_CHANLIST --------------------------------------------...
    on Nov 22, 2010

  • Wiki Page: Accessing the LQI of a received message (802.15.4 MAC, Z-stack, ZigBee, CC2420, CC2430, CC2431 )

    Kjetil
    Q: FAQ: Accessing the LQI of a received message (802.15.4 MAC, Z-stack, ZigBee, CC2420, CC2430, CC2431 ) The LQI (Link Quality Indicator) for a received message can be accessed from the afIncomingMSGPacket structure. See the Z-Stack AF API document for details
    on Nov 22, 2010

  • Wiki Page: TIMAC CSMA Backoff

    Kjetil
    Q: FAQ: TIMAC CSMA Backoff by 656199 How to configure the CSMA parameters to increase back-off time. In the TIMAC there is a PIB attribute minBe that can be used to configure the minimum back-off exponent used in the CSMA algorithm. The maxBe PIB attribute is also used while performing CSMA...
    on Nov 22, 2010

  • Wiki Page: TIMAC Code Sizes for CC2430

    Kjetil
    Q: FAQ: TIMAC Code Sizes for CC2430 by 656199 Configuration Code RAM Non-Beacon Coordinator 18.1k 250 Non-Beacon Device 16.5k 258 Non-Beacon Coordinator + Device 20.1k 270 Beacon Coordinator 20.5k 325 Beacon Device 19.1k 312 Beacon Coordinator + Device 24.5k 373
    on Nov 22, 2010

  • Wiki Page: Acquiring IEEE address range (802.15.4 MAC, Z-stack, ZigBee, CC2420, CC2430, CC2431, CC2530, CC2531)

    Kjetil
    Q: FAQ: Acquiring IEEE address range (802.15.4 MAC, Z-stack, ZigBee, CC2420, CC2430, CC2431, CC2530, CC2531) The IEEE 64 bit address is known at IEEE as the EUI-64(tm) which is a concatenation of the 24-bit OUI (Company ID) value assigned by the IEEE Registration Authority and a 40-bit extension identifier...
    on Nov 22, 2010

  • Wiki Page: Nested Interrupts in Z-Stack (ZigBee)

    Kjetil
    Q: FAQ: Nested Interrupts in Z-Stack (ZigBee) During the ISR (Interrupt Service Routing) Z-stack block interrupts until the ISR has completed its action. Nested interrupts are not recommended
    on Nov 22, 2010

  • Wiki Page: Reading RSSI and/or LQI values from TIMAC

    Kjetil
    Q: FAQ: Reading RSSI and/or LQI values from TIMAC by 656199 The TIMAC provides three parameters as part of the Data-Indication when receiving a packet: - mpduLinkQuality : The link quality of the received data frame - LQI : Link Quality Indicator, the raw LQI of the received data frame - RSSI : Received...
    on Nov 22, 2010

  • Wiki Page: Z-stack Link Quality Indicator (ZigBee)

    Kjetil
    Reading RSSI and LQI values from Z-Stack or TIMAC. LQI (Link Quality Threshold) is a metric of the current quality of the received signal RSSI (Received Signal Strength Indicator) is a signal strength indication. It does not care about the "quality" or "correctness" of the...
    on Nov 22, 2010

  • Wiki Page: AN060 Security on TI IEEE 802.15.4 Compliant RF Devices

    Kjetil
    This application note introduces IEEE 802.15.4 security and gives practical examples using Texas Instruments’ family of IEEE 802.15.4 compliant RF chipsets; the CC2420, CC2430 and CC2520. The main focus will be on the CC2520, TI’s second-generation IEEE 802.15.4 compliant RF transceiver....
    on Nov 19, 2010

  • Wiki Page: AN062 TI-MAC and Z-Stack Modifications for using CC2591 RF Front End with CC2430

    Kjetil
    The CC2430 is a true System-on-Chip (SoC) solution specifically tailored for IEEE 802.15.4 and ZigBee® applications. It enables ZigBee nodes to be built with very low total bill-of-material costs. CC2591 is a range extender for all existing and future low-power 2.4-GHz RF transceivers, transmitters...
    on Nov 19, 2010

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