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TM4C129X samples availability

PAk
Mastermind 6995 points
Other Parts Discussed in Thread: EK-TM4C1294XL, TM4C1294NCPDT, TM4C1299NCZAD

Hello all and TI.

 We are planning to create a new product and the new TM4C129x line would fit perfectly, since we have a previous development based on the TM4C123x family but new functionalities (+network connectivity) will make that the code won't fit on the 123 memory. We have first two months of 2014 as deadline, so we would like to know when could we get some samples.

1.- Has TI said something about it? I searched on webites and blogs and found nothing.

2.- Is TI supposed to release the samples (XM4C129x) before end of this year?

3.- When is  the release date of the final review (TM4C129x)?

4.- In case this takes a while, would you recommend us to port the code from Tiva TM4C123X to a Hercules microcontroller or  C2000 (DSP+ARM) device? Is the DSP side of C2000 much more powerful than the ARM-M4 processor on Tiva?

Thank you.

  • 0
    TI__Expert 7165 points

    1 - Yes, we announced the TM4C129x and it is live on www.ti.com/tiva-c.

    2 - Samples are available through direct contact with our distributors.

    3 - TM4C129x RTP product availability begins in 1Q14, more details from our direct distributors

    4 - I recommend to start development on XM4C129x. It will be faster than switching architectures, but Hercules and C2000 products with higher performance are certainly an option.

  • 0 in reply to miguel2667
    Mastermind 6995 points

    miguel2667 said:

    1 - Yes, we announced the TM4C129x and it is live on www.ti.com/tiva-c.

    2 - Samples are available through direct contact with our distributors.

    3 - TM4C129x RTP product availability begins in 1Q14, more details from our direct distributors

    4 - I recommend to start development on XM4C129x. It will be faster than switching architectures, but Hercules and C2000 products with higher performance are certainly an option.

    Thank you Miguel.

    A couple more questions, from which distributors in Europe could we get those samples? Is there a limit in the quantity of the samples?

    On the other hand, will all the announced TM4C129x announced devices be released at the same time?

    Thank you again

  • 0 in reply to PAk
    TI__Expert 7165 points

    PAk SY,

    The list of potential distributors is long, but biggies are EBV/Avnet, Arrow, Farnell, etc.

    For specific delivery details, I really recommend to get in touch directly with our sales team. If you send me your contact info off this thread, I can get you a local contact.

  • 0 in reply to miguel2667
    Guru 27285 points

    miguel2667 said:
    The list of potential distributors is long, but biggies are EBV/Avnet, Arrow, Farnell, etc.

     Hi Miguel, the list is long BUT just EBV and no other around the world has stock.. This way I again got information from sites....

     About C2000 series performance is not only better by math capability but also fast signal capability in range of hundred of picosecond plus multi megasampling rate on ADCs.

     Concerto is based on LM3F series without floating point, C2000 side can cover this but splitting working code on an asymmetric processing unit is not a simple task so IMHO Xm4c129 may be the fastest way to market....

     Miguel please send us secure word about more precise real release date.. Stellaris costed enough to many of us, I cannot plan if my last 3 year of development can get again a market share or are just wasted time and money... Too many  useless early obsoleted devkit are on the shelf too...

  • 0 in reply to Roberto Romano
    Mastermind 6995 points

    Roberto Romano said:

    The list of potential distributors is long, but biggies are EBV/Avnet, Arrow, Farnell, etc.

     Hi Miguel, the list is long BUT just EBV and no other around the world has stock.. This way I again got information from sites....

     [/quote]

    Actually yesterday we bought  some QFP samples from EBV in the EU for prototyping. They are the only distributor with some stock if anyone is interested.

    Roberto Romano said:

    About C2000 series performance is not only better by math capability but also fast signal capability in range of hundred of picosecond plus multi megasampling rate on ADCs.

     Concerto is based on LM3F series without floating point, C2000 side can cover this but splitting working code on an asymmetric processing unit is not a simple task so IMHO Xm4c129 may be the fastest way to market....

    That is interesting, is there any comparison chart or document detailing the performance of different families (C2000, ARM, TI C5xxx, C6xxx, Sitara, etc...) . ARM has done it pretty well implementing CMSIS, so for some tasks, I think the M4 performance is near C2000, i.e FFTs and some other mathematical stuff.

    How does C2000 perform against a C6000 DSP? Have been using C6000 for long, so this would give me a clear idea.

    Roberto Romano said:
     Miguel please send us secure word about more precise real release date.. Stellaris costed enough to many of us, I cannot plan if my last 3 year of development can get again a market share or are just wasted time and money... Too many  useless early obsoleted devkit are on the shelf too...

    I do think the same.....

  • 0 in reply to PAk
    Guru 27285 points

    PAk SY said:
    That is interesting, is there any comparison chart or document detailing the performance of different families (C2000, ARM, TI C5xxx, C6xxx, Sitara, etc...) . ARM has done it pretty well implementing CMSIS, so for some tasks, I think the M4 performance is near C2000, i.e FFTs and some other mathematical stuff.

     H PAki, I don't know c6000 series nor M4 FPU in deep enough to do a comparison between series, my actual application is completely fixed point and motor control where in a c2000, tm4c129 may be powerful enough to port control loop and motion on it, motion just control 12 stepping motor with microstepping and ramp, this need a working prototype to experiment on..

     From this link you can see C2000 presentation, try read first 4 pages of brochure, c2000 share more of the DSP architecture than MCU  so FFT performance computed by coprocessor is greater than FPU computation, if option  VCU coprocessor is present it is capable of Viterbi processing in a short time. CLA (control law accelerator) and dedicated regulators unburden cpu from PWM adjustment so on motion and communication too perform a great task was previously devoted to DSP series.

     C2000 Dev kit is available as launchpad with emulator and isolation on board too for just $17. Sitara processor are large ARM based on cortex A8, Beagle Board Black opened a new way for using them at low cost too.

  • 0 in reply to PAk
    TI__Expert 7165 points

    Thank you for the update. Note that even if a distributor is showing zero stock, you can still place orders through distributors and TI will ship direct.

  • 0 in reply to Roberto Romano
    Mastermind 6995 points

    Roberto Romano said:

    That is interesting, is there any comparison chart or document detailing the performance of different families (C2000, ARM, TI C5xxx, C6xxx, Sitara, etc...) . ARM has done it pretty well implementing CMSIS, so for some tasks, I think the M4 performance is near C2000, i.e FFTs and some other mathematical stuff.

     H PAki, I don't know c6000 series nor M4 FPU in deep enough to do a comparison between series, my actual application is completely fixed point and motor control where in a c2000, tm4c129 may be powerful enough to port control loop and motion on it, motion just control 12 stepping motor with microstepping and ramp, this need a working prototype to experiment on..

     From this link you can see C2000 presentation, try read first 4 pages of brochure, c2000 share more of the DSP architecture than MCU  so FFT performance computed by coprocessor is greater than FPU computation, if option  VCU coprocessor is present it is capable of Viterbi processing in a short time. CLA (control law accelerator) and dedicated regulators unburden cpu from PWM adjustment so on motion and communication too perform a great task was previously devoted to DSP series.

     C2000 Dev kit is available as launchpad with emulator and isolation on board too for just $17. Sitara processor are large ARM based on cortex A8, Beagle Board Black opened a new way for using them at low cost too.

    [/quote]

    I find this link quite interesting. It is based on a R4 device, similar to Tiva performance(1.6 DMIPS/MHz of R4 vs 1.25 DMIPS/MHz of M4 ):

    The link is based on an article describing those R4 DSP capabilities:

    http://www.eetimes.com/document.asp?doc_id=1275478

    Of course, I am aware that TI R4 devices run at a higher clock (220MHz vs 120MHz of Tiva), have Lock-Step and some other stuff. I am thinking in pure processing data.


    Besides, on some presentation on youtube, I found this interesting slide. They were talking about CMSIS dsp performance of M4.


  • 0 in reply to PAk
    Guru 27285 points

    PAk SY said:

    Besides, on some presentation on youtube, I found this interesting slide. They were talking about CMSIS dsp performance of M4.

     Hi PAk, Piccolo 28027 is the entry level point fixed point, no CLA no accelerator lowest cpu clock, so for a 1.85$ processor perform still good, same comparison can be interesting on 90MHZ piccolo Floating Point 2806x series (4.85$-9$) CLA VCU and DMA equipped or Better on Delfino with higher clock and performance.

     Again this OVERVIEW link list some feature of processor family but neevr do a comparison nor speak about performance differences A similar benchmark across all TI processor can be a guide to selection and an estimator.

     Many dev kit use "processor stick" to share the same base to evaluate different processors family, this is a good idea but also calculation capability test are important too.

  • 0 in reply to Roberto Romano
    Mastermind 6995 points

    Roberto Romano said:

    Besides, on some presentation on youtube, I found this interesting slide. They were talking about CMSIS dsp performance of M4.

     Hi PAk, Piccolo 28027 is the entry level point fixed point, no CLA no accelerator lowest cpu clock, so for a 1.85$ processor perform still good, same comparison can be interesting on 90MHZ piccolo Floating Point 2806x series (4.85$-9$) CLA VCU and DMA equipped or Better on Delfino with higher clock and performance.

     Again this OVERVIEW link list some feature of processor family but neevr do a comparison nor speak about performance differences A similar benchmark across all TI processor can be a guide to selection and an estimator.

     Many dev kit use "processor stick" to share the same base to evaluate different processors family, this is a good idea but also calculation capability test are important too.

    [/quote]

    I totally agree with you. However, that task is out of our hands, and only depends on the will of TI. 

    But would like to have that to estimate the "power" needed when selecting a MCU-DSP.

  • 0
    Prodigy 130 points

    Hello everyone!

    PAk said:
    3.- When is  the release date of the final review (TM4C129x)?

    Are there any news on this? I see the devkits and various different TM4C129x parts listed in many supplier's inventory, but still no one seems to have stock. Mouser is the only one with some of the XM4C samples, but I'd rather not include a part in my design of which there will probably never be a final release...

    Thanks,

    Philipp

  • 0 in reply to Philipp Burch
    Prodigy 90 points

    For what it is worth we are also trying to find out when stock will be available.

    I have the development boards but don't want to waste time on vaporware, is there any information as to if this is a viable product?

  • 0 in reply to John Landy
    Expert 1775 points

    I received samples of the TM4C129XNCZADI3 a few days ago.

  • 0 in reply to Jeff McDevitt
    Prodigy 130 points

    Hi all!


    I've called EBV today to ask about the availability of those devices. To my surprise, they told me that their website only lists parts which are actually on stock (even if the stock is 0, obviously, but never mind) and one should just place a call to ask for something not listed there. Then they also said that they have a few samples of a TM4C1294xxx and will receive a few hundred of this type by end of July. Standard manufacturer lead time is in the range of 6 to 11 weeks. So it seems that TI is now supplying the first real quantities to their distributors. I'm not 100% convinced about all that yet, but I guess I can start with the redesign during the next days without too many worries.

    Regards,
    Philipp

  • 0 in reply to Philipp Burch
    Mastermind 6995 points

    No answer yet from TI?

  • 0 in reply to PAk
    Guru 117850 points

    Re: post above's, MCU ordering, "hiccup":  (not this vendor - which is another story)

    While we "feel" this poor guy's pain - is not placing an ARM MCU w/in a DIP package much like attaching "training wheels - and coaster brake" to a Ferrari?

    Such packages are often more costly - the decision to include any DIP part (from the get go) w/in, "will not kill" list was the fundamental mistake - as I see it...  Such parts - if produced - should include, "DNR" instruction...  (RIP DIP)

  • 0 in reply to PAk
    Prodigy 90 points

    Something!

    Our purchasing department has found some chips on the shelf!

     

    They are real.

  • 0 in reply to John Landy
    Guru 117850 points

    John Landy said:

    Nothing!

    Might this outcrop of recent reporting be linked?  (or explain)

    http://e2e.ti.com/support/microcontrollers/tiva_arm/f/908/t/358842.aspx

  • 0 in reply to cb1_mobile
    Mastermind 6995 points

    cb1_mobile said:

    Re: post above's, MCU ordering, "hiccup":  (not this vendor - which is another story)

    While we "feel" this poor guy's pain - is not placing an ARM MCU w/in a DIP package much like attaching "training wheels - and coaster brake" to a Ferrari?

    From my point of view, the  good thing to learn from the story was that:

    1. The other vendor answered (not quite common here)
    2. They understood the situation
    3. The answer was positive

    The rest of the story was just circumstantial.

    John Landy said:

    Something!

    Our purchasing department has found some chips on the shelf!

     

    They are real.

    Where, Who, When, How???

  • 0 in reply to PAk
    Guru 47900 points

    PAk said:
    Where, Who, When, How???

    No, "What, Why?"  (it's "5W's & H" - after all...)

  • 0 in reply to PAk
    Guru 27285 points

    PAk said:
    Where, Who, When, How???

     GASP!!!!!

     I ordered one EK-TM4C1294XL, so to test sample it was in the only way, remove TM4c129 and resolder on my board... Order got payd then in processing, I asked assistance and reported me delivery date is at september 5 :((((

     Again EK-TM4C1294XL is out of stock...

     Where are TM4C1294??

     Thank you

  • 0 in reply to Roberto Romano
    Guru 117850 points

    Roberto Romano said:
    GASP!!!!!  Again EK-TM4C1294XL is out of stock...

    Might this (USA stock) be an option?

    Note that I entered, "trial orders" of 100 @ both DK & Mouser - both orders seemed, "Ready - OK to ship."  (and then I fled...)

    Chip alone - appears NRNS (Not Ready for New Shipment!)

  • 0 in reply to cb1_mobile
    Mastermind 6995 points

    cb1_mobile said:
    Chip alone - appears NRNS (Not Ready for New Shipment!)

    And what about those who did the homeworks and need the Chip soon?

    John Landy said:

    Something!

    Our purchasing department has found some chips on the shelf!

     

    They are real.

    John, could you tell us where did you find them?

    Thank you

  • 0 in reply to PAk
    Guru 117850 points

    PAk said:

    And what about those who did the homeworks and need the Chip soon?

    Might that not be your/others', "personal, procurement management issue?"  My writing answered Roberto's need for the EK - nothing further was implied/suggested.

    Has this vendor a past record of NRND - escalating then into EOL - for past (abandoned) Cortex M3?  And - did not the past, "vendor caring/concerned" M3 Sticky posts become "unstuck" - then predictably - scroll off into oblivion?  And - when challenged - remained "silent."  (what might that signal?)

    Past (wider PAk nameplate) received my guidance re this device - "homeworks" you reference did not spring from this reporter...   (while the past is not an absolute predictor of the present - usually it serves as a very, "reasonable indicator"...)

    And - if "John" is "real" - and releases such info - does he not hurt himself? 

    Where is the vendor - that's your/others' issue - is it not?  (by my read - vendor awol since Nov 2013...)

  • 0 in reply to cb1_mobile
    Prodigy 90 points

    Hello All,

    I was a victim of an EOL on a Stellaris LM3S9D96 so we are porting to the TM4C1294NCPDT. I looked all over just like everyone else and we found some at the Avnet site.I saw this as an indication that the chip was finally being released as production.

    As for not hurting myself I find that if I don't actually chew the gum while walking I don't fall down so much.

     

     

    John

     

     

     

  • 0 in reply to John Landy
    Guru 47900 points

    John Landy said:
    I find that if I don't actually chew the gum while walking I don't fall down so much.

    Good that one here can achieve that.  (skinned knees/elbows - this guy - points to my inability...)

    Let the record show that we too suffered at past (still unexplained) part derailment - and that many - upon finding parts, "hoarded such info."  (out of self-protection, interests)  Clearly that's not you - pardonnez-moi.

  • 0 in reply to cb1_mobile
    Guru 27285 points

    cb1_mobile said:

    Note that I entered, "trial orders" of 100 @ both DK & Mouser - both orders seemed, "Ready - OK to ship."  (and then I fled...)

    Chip alone - appears NRNS (Not Ready for New Shipment!)

     Hi CB1, thank for replay, I saw mouser and Digikey have in stock @25 and 20 US$, just few cent more than no stock chip cost....

     I got my pcb and first was filled with the processors of dev kit.. What else can I do?

     I also own two spare sample of old silicon, my goal was to have a new fresh TM4C129xxx not XM, I can again do same for another sample and unmount the second Dev kit I own....

     I asked again and again to TIESTORE online assistance, site report ship in 1 to 3 day but they say it can be delivered at september!!!

     Ok me too suffered Stellaris trouble but TIVA this moment is a big Nightmare, I had no time to move away from ...

     Another decision was not to use BGA version, LCD controller was great for my application but why not supply in a more usable big TQFP or  more usable BGA 1mm ball spacing??? In industrial environment a so ultrafine 100um tracks and microvia is not the better way to build reliable electronics. The FPGA is many time bigger and I have no space contstraint at all.

     I am afraid and scared too ....

  • 0 in reply to John Landy
    Guru 27285 points

    John Landy said:
    I looked all over just like everyone else and we found some at the Avnet site.I saw this as an indication that the chip was finally being released as production.

     Hi John, Avnet still has part in stock?

     Miguel, Amit are some good news available??

  • 0 in reply to Roberto Romano
    Prodigy 90 points

    Good morning Roberto,

    I could kick myself, I only ordered a few parts to see if it was real and got delivery, so I know they are real (ok I haven't tested them). We are still using the development board for the porting prior to starting to respin our CPU board. I do see that no one now has stock with the exception of some X series prototype chips.

     

    Are we the Beta run for TI in order to judge interest and will the strength of our interest affect how quickly product reaches the market or even if it reaches the market? Are we wasting our time on vapor? I just don't know, I did have TI engineering visit me on the Stellaris chip previously and was assured that they were going to support it and that did not happen.

     sorry I have more question than answers.

     

     

    John

  • 0 in reply to John Landy
    Guru 27285 points

    John Landy said:
    sorry I have more question than answers.

     Don't worry John, we all are on same boat and I feel a bad taste.... So maybe more VHDL than C can solve this threat for me :(

     I am out of beta test and this is the second time I fear to be burned again.... Board artwork layout was ready at march and I sent to PCB manufacturer on July, then I got 8 board and again no silicon is ready.. My preproduction test bench was planned for end of November, so I can finish test then we can see what happen.

  • 0 in reply to Roberto Romano
    Prodigy 90 points

    Do you have boards ready to accept the TM4C1294NCPDT?

  • 0 in reply to cb1_mobile
    Mastermind 6995 points

    John Landy said:

    Do you have boards ready to accept the TM4C1294NCPDT?

    Yes we do!!

    cb1_mobile said:

    And what about those who did the homeworks and need the Chip soon?

    Might that not be your/others', "personal, procurement management issue?"  My writing answered Roberto's need for the EK - nothing further was implied/suggested.

    [/quote]

    Well, if you sell something and then you drop it out, maybe you can get out of business.

    cb1_mobile said:

    Sticky posts become "unstuck" - then predictably - scroll off into oblivion?  And - when challenged - remained "silent."  (what might that signal?)

    ...   (while the past is not an absolute predictor of the present - usually it serves as a very, "reasonable indicator"...)

    This is the first time (or the second) that I see you talking like that about this vendor....something has to be changing...or, better said, something isn't changing.

    cb1_mobile said:

    And what about those who did the homeworks and need the Chip soon?

    Might that not be your/others', "personal, procurement management issue?"  My writing answered Roberto's need for the EK - nothing further was implied/suggested.

    Has this vendor a past record of NRND - escalating then into EOL - for past (abandoned) Cortex M3?  And - did not the past, "vendor caring/concerned" M3 Sticky posts become "unstuck" - then predictably - scroll off into oblivion?  And - when challenged - remained "silent."  (what might that signal?)

    Past (wider PAk nameplate) received my guidance re this device - "homeworks" you reference did not spring from this reporter...   (while the past is not an absolute predictor of the present - usually it serves as a very, "reasonable indicator"...)

    And - if "John" is "real" - and releases such info - does he not hurt himself? 

    Where is the vendor - that's your/others' issue - is it not?  (by my read - vendor awol since Nov 2013...)

    [/quote]

    One step at a time, first one design, after that two, then three and maybe later, four.... Can't prototype and build boards with all the arm M4 at the same time (changing IDE, tools, etc). Would like/will do in the future, but as a small company, we need to finish the first products to get to the second round  and can't throw way all the work and effort done within this TM4C family, even the knowledge we have gotten.

    Besides, if the sw design is based on Tivaware, porting to another vendor right now will take more time than we have right now to get to market. (already sold hundreds of units based on 129x that have to be delivered by mid september). TI takes its time, and they don't care about us all...so that makes us feel that we will leave in the future.

    Regards

  • 0 in reply to PAk
    Guru 117850 points

    @PAk,

    Cb1, "Might that not be your/others', "personal, procurement management issue?" 
    PAk, "Well, if you sell something and then you drop it out, maybe you can get out of business." 

    Huh?  In court - that answer would be challenged as, "unresponsive."  Are you not evading your past decision to, "lock yourself in?"  (even though you were past advised to adopt a, "2nd, parallel MCU course" - just in case.)  This extends into your (limiting) IDE choice too - does it not?

    PAk, "first time (or the second) that I see you talking like that about this vendor..."

    Don't agree that any, "talking or assertions" were made by this reporter.  Instead - pointed (perhaps critical) questions were raised - which impacted strongly only upon the issues - you/others had long raised, here.  Those questions invited vendor response - appeared superior to silence or avoidance...  (hopefully beyond past, standard, "Duly noted.")

    Growing pains are to be expected w/in tech - seemingly long (possible) communication lapses - not so much...

  • 0 in reply to cb1_mobile
    Mastermind 6995 points

    cb1_mobile said:
    Growing pains are to be expected w/in tech

    Wouldn't it be sad? Wouldn't this vendor public image get as "unresponsive"?

    cb1_mobile said:
    Are you not evading your past decision to, "lock yourself in?"  (even though you were past advised to adopt a, "2nd, parallel MCU course" - just in case.)  This extends into your (limiting) IDE choice too - does it not?

    Sure, my decision. One had to be made.

    Anyway:

    Fool me once, shame on you; fool me twice, shame on me

    Let's  see.

    cb1_mobile said:

    Cb1, "Might that not be your/others', "personal, procurement management issue?" 
    PAk, "Well, if you sell something and then you drop it out, maybe you can get out of business." 

    Huh?  In court - that answer would be challenged as, "unresponsive." 

    Of course, that is my personal opinion.

    cb1_mobile said:
    Instead - pointed (perhaps critical) questions were raised - which impacted strongly only upon the issues - you/others had long raised, here.  Those questions invited vendor response - appeared superior to silence or avoidance...  (hopefully beyond past, standard, "Duly noted.")

    I think we all agree on that. We all want a good product to work with, and some support....just some!! 

  • 0 in reply to PAk
    TI__Guru**** 244380 points

    Hello All,

    Update for the forum

    All planned TM4C129x product family part numbers are now in production and can be ordered through TI’s authorized distributors. Since demand is ramping quickly worldwide, distribution inventory levels will continue to increase throughout the balance of this quarter and year but have not yet reached our targets to date. Please work directly with your servicing distributor regarding the specific part number you are using to help ensure availability as needed. In addition, please consider beginning your development using one of our higher featured, pin-compatible (superset) devices when possible to further help ensure a timely delivery

    Regards

    Amit

  • 0 in reply to Amit Ashara
    Expert 2560 points

    Amit,

      Are there plans for a low pin count (64 - 100 pins) version of the TM4C129x?

    Ari.

  • 0 in reply to Ari Mendes dos Santos
    TI__Guru**** 244380 points

    Hello Ari

    There are no plans for 64 or 100 pin version for TM4C129x

    Regards

    Amit

  • 0 in reply to Amit Ashara
    Expert 2355 points

    Hi Amit,

    Thank you for the update!

    Now, when do we get to find out "what's next"?  I realize you cannot discuss the nature of un-announced products, but can you reveal _when_ the next series will be announced?

    Regards,

    Dave

  • 0 in reply to SourceTwo
    Guru 117850 points

    SourceTwo said:
    when do we get to find out "what's next"? 

    We don't know the size of your city and vendor's presence.  Our location notes this vendor in residence - encamped in a, "mid-rise" office building in a large suburb.  Building a relationship with vendor FAEs & others in the vendor's sales chain often is a more preferred means to gain such, "future/planned" info.

    Review of the vendor's recent, "return" to this space - while (surface) comforting - was not "loaded" with any new, "hard, bankable data" (i.e. 10K of "129xxx" will be @ disty dock by dd-mm-yyyy) was it?  We're told, "All planned TM4C129x product family part numbers are now in production" - yet few lines down - we seem to be advised to, "chose the superset device" to insure timely delivery!  (that's my read)  One may rightly ask, "What does "in production" mean - here and now?"  Somehow my group thought this thread asked, "When will these devices be available for, "normal/customary/disty-stock purchase?"

    Believe that your, "what's next" answer is, "out there" but your "targeting" of optimal source may require review/tweaking...  (and always of interest along w/"next" is "when" ... that was the point of this thread - mais oui?)

  • 0 in reply to cb1_mobile
    Expert 2355 points

    CB1_mobile,

    Please see private response...

  • 0 in reply to cb1_mobile
    TI__Guru**** 244380 points

    Hello All,

    There is a differential demand on different part numbers, so the production is geared towards parts which have the most back log of orders. As the back log comes down, other parts will start appearing in distributors inventory as well.

    Yes, my lines were "not loaded with hard data", because right now the TM4C129 parts are seeing a large amount of orders across different devices, so it is rather tough. As we improve inventory, things should ease out for all.

    Regards

    Amit

  • 0 in reply to Amit Ashara
    Mastermind 6995 points

    Amit Ashara said:

    Hello All,

    There is a differential demand on different part numbers, so the production is geared towards parts which have the most back log of orders. As the back log comes down, other parts will start appearing in distributors inventory as well.

    Yes, my lines were "not loaded with hard data", because right now the TM4C129 parts are seeing a large amount of orders across different devices, so it is rather tough. As we improve inventory, things should ease out for all.

    Regards

    Amit

    Thank you Amit.

    We need 100 units of 1294NCPDT or 129ENCPDT and we don't find stock on providers and lead times are no less than 12 weeks.

    Could you give us some confirmation if this is true or the time will be shorter? Where could we find some stock?

    Thank you

  • 0 in reply to PAk
    TI__Guru**** 244380 points

    Hello PAk,

    The lead times are indeed long right now, so it is tough to say when the distributors will open stock so that they also build up inventories.

    Regards

    Amit

  • 0 in reply to Amit Ashara
    Mastermind 6995 points

    Amit Ashara said:

    Hello PAk,

    The lead times are indeed long right now, so it is tough to say when the distributors will open stock so that they also build up inventories.

    Regards

    Amit

    Thank you Amit.

    We understand is not your fault, however we need something more specific. 

    In the second post of this thread a TI employee assured RTP was due on Q1 of 2014....now we are near Q4. We need some effort or feedback from TI. Everyone I talk to about TM4C129x is very concerned.

    We try to work with your stuff, not play with it. We are not hobbyists, we are proffessionals.

    Regards

  • 0 in reply to PAk
    TI__Guru**** 244380 points

    Hello PAk,

    I understand that having been said Q1'2014, the product is still not available to order. But fixing issues with the device that cannot have a safe workaround is equally important for customers to be able to work with them reliably in the field too.

    As a note, I checked Digikey and TM4C1299NCZAD shows up now.

    Regards

    Amit

  • 0 in reply to Amit Ashara
    Guru 47900 points

    Amit Ashara said:
    fixing issues with the device that cannot have a safe workaround is equally important for customers

    Amit - thanks for this - some progress now in evidence.

    That said - as the part (above) just released is the most comprehensive/most inclusive (and most expensive) - does that not signal that, "All of the issues" have been fixed?  (simple logic suggests such)

    Suspect many (most) here seek the lesser 129x devices - and very likely the QFP package...  As the MCU's tech issues appear to be resolved - why are the (likely) far more desired parts still absent from disty shelves?  (note: clients asked me to compose/submit this...)

  • 0 in reply to cb1
    TI__Guru**** 244380 points

    Hello cb1,

    No, all issues are not fixed for sure (that is why the errata will mention the revision numbers affected, just as it was on TM4C123). But what is fixed are the ones that may impair device operation under otherwise working conditions.

    I would need to check on the dates for the different parts (and would be pretty difficult as well to confirm) as dates would shift based on production v/s backlogs.

    Regards

    Amit

  • 0 in reply to Amit Ashara
    Guru 47900 points

    Hello Amit,

    Again thanks - do understand that as long-term user/specifier of multiple of your devices - I'm oft forced to, "play the heavy" and plead for (greater) clarity.  Many here have major availability concerns - I'm pressed by clients to see if my extra-engineering training may somehow assist.  Note that your recent responses are most welcome - and comforting - both to my firm's clients and surely to many others.

    Have over ten clients waiting/hoping for the more standard 129x QFP devices - I've advised them to directly contact disty.  Response there fails to fully/really satisfy - thus my personal appeal here - for further (usable) scheduling insights - from you or an aware, logistics official...

    None of this even remotely your doing - yet our clients and hundreds here - all have been patient and really do deserve a realistic, properly detailed, 129x MCU availability update... 

    Please do use your best efforts - all here truly count upon you - the clock ticks louder/faster when uncertainty reigns!