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USB Low-Full-High Speed Peripherals

Anonymous
Not applicable

Hi

   

I want to use tms320c6424 +CYPress IC to access hard disk or SD card, here is our requirment: 

   

1) Write speed shall net less than 24Mbit/s,

   

2) sorage capacity not less than 32GB(we are more prefer to hard disk solution )

   

would you please recommend suitable solutions to us.

   

I also have an other question here , i find some SD card vendors have 64GB or 128GB version already, does CYPRess can support it ??

   

Thank @ Regards

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5 Replies
Bob_Marlowe
Expert II

Since this is more a user-forum I would suggest you to create a technical case with your demands. To do so, at top of this page go to

   

Support -> Technical Support -> Create a Case

   

May take some time, but one of the Cypress engineers will care for that.

   

 

   

Bob

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Anonymous
Not applicable

thanks

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Anonymous
Not applicable

Hi Rafl,

   

 

   

Are you looking for an USB 2.0 product or USB 3.0 product?

   

 

   

If you are looking for USB 2.0 then please refer to the following webpage to get more details.

   

http://www.cypress.com/?id=3672

   

 

   

If you are looking for USB 3.0 then please refer to the following webpage to get more details.

   

http://www.cypress.com/?id=3671

   

 

   

 

   

These 2 chips have the support for latest SD 3.0 (SDXC with UHS-I) and eMMC 4.41 standards.

   

 

   

Thanks,

   

Sai Krishna.

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Anonymous
Not applicable

thanks for your suggestion .

   

I find westbridge CYWB0124AB can privde Uport ,Pport, and Sport.

   

but i have some  confuse with it's datasheet here

   

1) Whether processor can directly access storage devices?

   

2)Can S port  support storage larger than 32GB(SD card)?

   

3)Does witer speed is larger than 24Mbit/s?

   

4)How can I get the demo board or example?

   

5)Is there any example for CF card or hard disk 

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Anonymous
Not applicable

Hi Rafl,

   

Please find the answers to your questions below:

   

1). Processor port can directly access that storage connected to Westbridge chip. Cypress will provide the block drivers that are need to be integrated on the processor connected to Pport.

   

2)We have two different variants in Westbridge product family.

   

Products start with A (Antioch, Astoria, Arroyo) - supports only SD2.0 cards.

   

Products start with B (Bay, Benicia) - supports SD3.0 cards (larger than 32GB). i think you may need  to go for Bay or Benicia.

   

3). Yes. It is possible.

   

4) You can contact your local sales or you can create a tech support requesting for a DVK.

   

5) We have an example when two SD cards are connected to the 2 storage ports of Bay or Benicia.

   

 

   

Thanks,

   

sai krishna.

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