Low Power RF & Wireless Connectivity

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Low Power RF & Wireless Connectivity

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  • Forum Post: Is there an ANT + MSP430 development kit?

    Derek9531
    Hello, I have a client in the consumer products space who is developing a wireless sensor that will be using an ANT radio. I've read up on the CC257x series (and the ANT development kit) but I haven't seen any kits that show how to send data from an MSP430. I assume that there's one out...
    on Dec 23, 2011

  • Forum Post: Re: Is there an ANT + MSP430 development kit?

    Derek9531
    Wow - you guys don't make it easy! Will the firmware examples work on the MSP430F5538 eval board too, or just the FRAM board? I'd like to avoid buying every dev board that TI makes; I already have a few dozen of them. Also, if you have a link to the firmware examples, that would be appreciated...
    on Jan 6, 2012

  • Forum Post: Circuit Design Problem

    Xiaochuan WEI
    Hi , I want design a circuit depends on the USB dongle and Keyfob reference, in this design the space and power consumption are important. I saw that in the usb dongle design, it use one component instead of many resistors and capacitors in the Keyfob design for the antenna circuit, are these two...
    on Jan 19, 2012

  • Forum Post: A voltage drop when CC257x play as Heart Rate Monitor

    George Lin
    When I use ANTC7EK1 Evaluation Kit to be a Heart Rate Monitor transceiver. There are voltage drop( about 300~500 mV ) on battery voltage side. as this picture. If the battery (2032) is new, the situation is better. I try to put 100uF capacitor x2 ,but it still have same situation. We change...
    on Mar 12, 2012

  • Forum Post: Re: BLE vs ANT and their coexistence with classical BT

    Filosofi
    Kassandra, Just as an example, using the command (AT-like) HCI 7007000a00ff00ff00ff00ff00ff00ff0000000000ff007f I program the BT module to skip channels 48 to 63 (i.e. 2450 to 2465 MHz). In this case I obtained the following results -------------------------------------------------------...
    on Apr 5, 2012

  • Forum Post: BLE and ANT Support for 1283

    Danny Perry
    Is there currently any software support for BLE/ANT on the 1283 chip? I know the protocols are supported by the hardware, however I have not been able to find anything regarding software support. I would like to begin developing using the 1283 chip with these protocols, but I am having trouble figuring...
    on May 23, 2012

  • Forum Post: Bluetooth & ANT+ Application

    Yaniv Blecherman
    Hello, I'm running your ANT app on IAR but there is some difficults with it. In the menue I'm trying to operate START INQUIRY but it's not workink. I get on the LCD "No Devices Found". I success to operate it only one time but the peering disconnected after several seconds....
    on Sep 12, 2012

  • Forum Post: Developing RF based bridge to ANT devices

    Nir Hasson
    Hi, I would like to develop wireless bridge chip based solution to an ANT device. I need it to be low cost and low power consumption. I want to use TI’s CC430 as the RF module combined with the CC2571 on the end point device. What is the most suitable development kit? I thought of using the EM430F6137RF900...
    on Oct 23, 2012

  • Forum Post: RE: Min. size, low energy, medical device, sending data from time to time -> ...?

    Harrison
    Hey Daniel, ANT is also very appropriate for your use case. The hardware for both the CC2540/41 and the CC2570/71 are effectively identical so you should see comparable wireless performance. Powered down a CC2571 can go as low as 0.5uA, and while active it can transfer data at up to 20kbps. The average...
    on Oct 23, 2012

  • Forum Post: RE: Ad-hoc CC254x networks?

    Harrison
    Hi Rick, If your system is protocol agnostic I would suggest that your use case is perfect for an ANT Auto Shared Channel topology which would work with any ANT device, including an iPhone using an ANT dongle or a CC2570/CC2571. Auto shared channel allows you to address up to 255 devices using a...
    on Oct 24, 2012

  • Forum Post: RE: ANT Continuous-Scanning channel - Collisions?

    Harrison
    Hi Ragnar, I would recommend looking up the ANT Basics video describing ANT's built-in Isochronous Ad-hoc Time-Adaptive Multiplexing scheme which you can find at the thisisant.com website under presentations but I will try to summarize here. An ANT Master channel breaks an RF space into "timeslots"...
    on Oct 30, 2012

  • Forum Post: RE: ANT Continuous-Scanning channel - Collisions?

    Harrison
    Hi, just to provide some additional clarifications. No need to worry about intermittent transmissions, ANT master channels by default take a brief receive window to find an open timeslot before broadcasting, so they do have some measure of avoiding each other even as they start transmitting. In a...
    on Oct 31, 2012

  • Forum Post: RE: Min. size, low energy, medical device, sending data from time to time -> ...?

    Harrison
    Hi Daniel, Any voltage drop or ripple you may see on your 3V rail with any radio will have many variables and is dependent on your voltage regulation hardware design powering the chip (filter and bypass capacitors, supply source, etc). As a note, current draw isn't so much dependent on the mode...
    on Nov 13, 2012

  • Forum Post: RE: Min. size, low energy, medical device, sending data from time to time -> ...?

    Harrison
    Hi, The CC2570/71 is a network processor only which is why information such as flash or RAM is not available, and at the moment TI does not yet offer an ANT System on Chip . The lowest power mode on the CC257x is Powered Down Sleep, so the sleep mode current is 0.5uA. In-between ANT messages on a...
    on Nov 22, 2012

  • Forum Post: RE: CC2564 ANT support

    Harrison
    Hi Ryan, Absolutely, the CC2564 does support ANT, please email info@thisisant.com to get the init script, free of charge. Cheers, Harrison
    on Jan 29, 2013

  • Forum Post: RE: Dataexchange with at least 10 slaves

    Harrison
    Hi Sönke, You may find this continuous scanning mode thread a useful read: http://e2e.ti.com/support/low_power_rf/f/538/t/223552.aspx . In terms of coexistence, ANT masters use a scheme similar to TDMA where they open a receive window/timeslot after each periodic transmission to allow any slaves...
    on Feb 4, 2013

  • Forum Post: cannot find "TI CC2540 Low-Power RF to USB CDC Serial Port" in Device Manager

    john luo
    Just received CC2540 mini DK. After the CC debugger connected to USB port, the system installed driver automatically. SmartRF Flash Programmer found CC debugger. I can update the firmware. The green light is on. In Device Manager, I found CC debugger under Cebal controlled devices, but couldn't find...
    on Oct 24, 2012

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