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CC1310 - die REV?

WH HUANG
Expert 1530 points
Other Parts Discussed in Thread: CC1310

Hello, sorry I don't have xds100v3, I have JLINK V8 ,it looks support CC1310, so I just want to confirmed that my chip rev is B;

2) Removed limitation on frequency bands supported in CC1310. New frequency bands are supported for the CC1310 from die Rev B and onwards, starting with support for frequency bands in the 430-510 MHz range. This will allow customers to use the same device in a number of markets worldwide. Note that current die Rev A material will still be limited to 863-930 MHz only. SmartRF Studio 2.4.3 or later will detect die Rev A devices and issue an appropriate warning as to the applicable frequency range. Please remember to update SmartRF Studio accordingly.

FCFG1.  ICEPICK_DEVICE_ID Register:

value is 0x2B9BE02F,and 0x242b9BE02F ,  so the die REV is A or B.

With my tested ,It looks them can't work at 433.92MHz, ... change to 868MHz, that is OK.

  • 0
    TI__Genius 12900 points

    Hi,

    Based on the ICEPICK_DEVICE_ID register value 0x2B9BE02F, you have die rev. A which only supports the 863-930 MHz band.  

    ICEPICK_DEVICE_ID[31:28] is the version:

    • 0x2 is die rev. A
    • 0x3 is die rev. B

    Br,
    TIABO

  • 0 in reply to TIABO
    Expert 1530 points
    thx. :)
  • 0 in reply to TIABO
    Expert 1530 points
    REV A, force set to 433MHz, do u think that is ok only for functional testing ??? like they can be work within short range ???

    for my testing : the chip can not work normally. they can not linked with together. but set to 868MHz, all are ok. :(
  • 0 in reply to WH HUANG
    TI__Guru**** 317180 points
    For rev A some chips will work on 433 MHz, some not.

    Do you have access to a spectrum?
  • 0 in reply to TER
    Expert 1595 points

    Hi all,

    I recently received some CC1310F32RHB samples from TI very recently. When I soldered it onto my customed PCB, I noticed that on Smart RF Studio 7, it appeared as a CC1310 Rev 2.0 (Rev. A) and 433MHz is not supported. 

    Does it mean that there is no way I can evalute this chip for 433MHz? How can then ask TI to send me the right samples for Rev B?

  • 0 in reply to Kian
    TI__Guru**** 317180 points
    Did you order the samples from ti.com? The sample inventory on ti.com should be rev B only but distributors may still have rev A samples. Have you contacted the local TI sales?

    The reason for rev A not supporting 433 MHz is a bug on the divider required to get 433 MHz. For most samples of rev A this divider works and you should be able to evaluate 433 MHz. You should be able to use the 433 MHz settings on rev A (I haven't tested) if you comment out two lines, covered here: processors.wiki.ti.com/.../CC1310_rev_B_PCN_information

    That said you should probably use a rev B for final measurement but hopefully the above could get you started until then.
  • 0 in reply to TER
    Expert 1595 points

    Hi TER,

    I ordered the samples directly from ti.com. I am surprised why I am receiving a Rev A device.

    The wiki says:

    If using SmartRF Studio v2.4.3 or later in offline mode or with a rev B chip connected, settings generated will not be directly backwards compatible with rev A. The exception is when using 2-GFSK with 50kbps data rate in the 779-930 MHz band. All other radio settings using the 779MHz - 930 MHz band needs to be modified to also support rev A by commenting out the below overrides. The effect by commenting this a small increase in power consumption (approx 20μA)


    So if I want to used 433MHz on Rev A, I should comment out those 2 lines too? 

  • 0 in reply to Kian
    TI__Guru**** 317180 points
    When exactly did you order samples?

    Yes, to get rev B settings to work on rev A you have to comment out two lines as described on the wiki page.