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alex_m1
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What's their strategy ?
alex_m1   2/18/2014 4:11:00 PM
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Great story Junko.

I wonder thought: up unto now spansion talked a lot about making microcontrollers with large flash as a unique thing they could do.

But now they sell the hard part for everybody: large flash with low pin count , small size, fast, fit for automtoive. Sound great.

Does this mean they won't invest the large sums of money required to make an mcu with a large flash on a single die ?

Is the strategy is all about controlling the memory interface and with that profoiting from memory and licensing and or selling a  bundle of mcu+flash chips?

Or is it something else ?

 

junko.yoshida
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Re: What's their strategy ?
junko.yoshida   2/18/2014 6:08:10 PM
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@alex_m1, a great question. I'd need to find that out.

 

junko.yoshida
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NOR market comeback?
junko.yoshida   2/18/2014 6:20:44 PM
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My question for EE Times community is this:

Spansion's new HyberBus I/F is said to allow faster boot time, direct execution in place from flash. Can it buck the trend of NOR market erosion by smartphones?

 

alex_m1
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Re: NOR market comeback?
alex_m1   2/18/2014 8:35:36 PM
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@Junko: considering that NAND using leading edge processes, while This uses 62nm which is quite old for flash, and the small size of those chips , i would say this doesn't pose a threat to NAND in smartphones.

boblespam
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Re: NOR market comeback?
boblespam   2/19/2014 2:31:39 AM
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I just finished designing a big (high end) digital cluster with a Fujitsu SoC, 128MB of parallel NOR for the OS and main app and a big NAND flash for data. XIP in this context is still too slow (I have very fast RAM).

Boot time is a real big issue for this application, it's good that Spansion (and Fujitsu) found a solution that looks efficient in term of performance and price.

On a smaller project based on a Renesas chip we use quad SPI with a nice thoughput, I think it will remains the main opponent of hyperbus: it's cheap and will get faster with time.

XIP will save a little bit of RAM, it's also good to have, but I think it will still be too expensive for the smartphone market.

zewde yeraswork
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applications
zewde yeraswork   2/19/2014 11:27:46 AM
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In my opinion, it is the variety of applications that Spanision is offering which will distinguish these solutions if anything....automotive is great but when you can get into other things as well, that's where the real oppotunity lies.

junko.yoshida
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Re: NOR market comeback?
junko.yoshida   2/19/2014 11:49:59 AM
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@boblespam, good, on the ground observation. Much appreciate your sharing the info!

So, what you are saying is that even though the improved performance for hyperflash, it's not worth switching from RAM to hyberflash. Correct?

DrQuine
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Already waiting for the automotive instrument cluster to boot
DrQuine   2/20/2014 8:19:49 AM
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The last car that I rented on a business trip had an instrument cluster that booted like a computer complete with a musical chime, a startup screen, and finally the data of interest. It also had a shutdown sequence complete with graphics and another musical chime.

Ino's question: "What if you turned on the ignition of a new car, and your instrument clusters don't show up instantaneously?" is a reality and it isn't nice. My laptop computer takes 5 minutes to boot up.  How long will car instrument clusters take to boot up before consumers complain?

junko.yoshida
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Re: Already waiting for the automotive instrument cluster to boot
junko.yoshida   2/20/2014 10:30:06 AM
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Damn, it is already a reality! 

Actually, Ino's question about booting an automotive cluster quickly is indeed one example taht convinced me there must be a real pressing market need for this -- not five years from now, but today. 

prabhakar_deosthali
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re:
prabhakar_deosthali   2/24/2014 11:13:32 AM
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The problem with the boot-up time for the Car instrument cluster?

I think the solution lies in not booting up the cluster panel after the ignition key is turned on , but keep it in sleep mode while the engine is not running so that it can wake up instantly as sson as the ignition key is detected.

This should be possible with the very low power drwn by the MCU from the Car battery isnt it?

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