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EnergyTrace, MSP-FET and the eZ430-RF2500Best

Stephen Day
Prodigy 30 points
Other Parts Discussed in Thread: ENERGYTRACE, MSP-FET, MSP-EXP430FR5969

I have recently purchased an MSP-FET in order to use EnergyTrace to monitor the power consumption of my MSP-EXP430FR5969 board.  

Is it also possible to monitor the power consumption of an eZ430-RF2500 board as well?

I have come across this page: http://processors.wiki.ti.com/index.php/EZ430_Emulator_Upgrade but I have not been successful if getting CCS6 to recognise the eZ430 board using this technique.

Any help would be much appreciated.

Best regards,


Steve

  • 0
    TI__Guru 68116 points

    Hi Steve,

    You will not be able to use the emulation on the eZ430-RF2500 board with EnergyTrace - only some newer tools (MSP-FET and MSP-EXP430FR5969 at the moment) have the correct emulation hardware to support this feature - it cannot simply be added by a firmware update.

    So you'll have to use the MSP-FET wired up to the appropriate pins on the F2274 on your eZ430-RF2500 board (Vcc, GND, TEST, RST) so that you can use the MSP-FET with it. Alternately, you can try using the emulation portion of the MSP-EXP430FR5969 to use EnergyTrace with your F2274 on the eZ430-RF2500. I see that the FR5969 Launchpad provides a spot on J21 for a connector that should be compatible with the connector on the eZ430-RF2500 - then you could follow the directions in section 2.3.6 in the launchpad user guide www.ti.com/li/tpdf/slau535 to be able to use the FR5969 EnergyTrace-capable launchpad with your board.

    Regards,

    Katie

  • 0 in reply to Katie Pier
    Prodigy 30 points

    Hi Katie,

    Many thanks for your helpful reply.  

    I didn't realise that I could use J21 on the FR5969 board as described in section 2.3.6, so thanks for pointing that out.  Unfortunately, at the moment I only have version 1.0 of the board, which doesn't have EnergyTrace built in.  I've been promised a free sample of version 1.2 by TI but my coupon has yet to arrive.  I guess will have to wait.

    In the meantime I'd like to try 'hotwiring' the MSP-FET to the eZ430-RF2500.  Is this just a case of connecting the appropriate pins (Vcc, GND, TEST, RST), and will this allow me to monitor the power consumption via CCS6 using EnergyTrace?

    Regards,

    Steve

  • 0 in reply to Stephen Day
    TI__Guru 68116 points

    Stephen Day said:
    In the meantime I'd like to try 'hotwiring' the MSP-FET to the eZ430-RF2500.  Is this just a case of connecting the appropriate pins (Vcc, GND, TEST, RST), and will this allow me to monitor the power consumption via CCS6 using EnergyTrace?

    Right - you just need to connect the right pins on the target to the FET tool with some wires. You can find the correct SBW connection by looking at www.ti.com/lit/pdf/slau278 figure 2-3. As you can see, for SBW the TEST and RST connect to different pins than when you use full JTAG.

    Regards,

    Katie

  • 0 in reply to Katie Pier
    Prodigy 30 points

    Great thanks.  I'll give it a go.

    Before I do, can you confirm that you meant to reference figure 2-2 (rather than 2-3)?  2-2 seems to be the one that refers to MSP430F2xx...

    Double checking :-)

    Regards,

    Steve

  • 0 in reply to Stephen Day
    TI__Guru 68116 points

    Hi Steve,

    Good catch - the figure 2-2 refers to 2xx. However, if you are not going to be blowing the fuse (and I think the circuit on the eZ430-RF2500 is not set up for this), you don't need the extra resistor connection btwn TEST/VPP and TCK, and you connect just TCK to the TEST/SBWTCK on the device. Now, this is exactly the setup on figure 2-3 (since 5xx uses a different fuse mechanism), so if you want something easier to look at, you can just look at figure 2-3 in your case.

    Regards,

    Katie

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