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Andy Peters
08/16/05 12:00
Read: 894 times
Tucson, Az

#99521 - USB "On The Go"
Responding to: Chris Lock's previous message
"I'm trying to implement a device which will read an analog value
(10/12 bit ADC), transmit it via RS232, and make a local copy of the reading in a separate memory device (a commercial flash USB drive). I would like to be able to remove the flash drive for analysis on a PC. i.e. a simple data logger application.
Could anyone kindly suggest the best 8051 device for the job? "

You need a device that can act as a USB host controller, not a device controller. Look for "USB On The Go" devices, which can act as both. I know that Cypress has one, but I don't remember if it's got an 8051 core or a ARM core.

You'll find that host controller chips are PCI devices, and I would imagine you don't want to go down that route.

I don't know what budget you have, but it may turn out that your best bet is to use a PC/104 system for your data logger.


List of 12 messages in thread
8051 USB storage      Chris Lock      08/16/05 09:45      
   8051 USB host?      Dan Henry      08/16/05 10:05      
   Other option      Craig Steiner      08/16/05 10:13      
      Thanks for the pointer!!      Chris Lock      08/16/05 10:31      
         anyhow      Erik Malund      08/16/05 11:00      
         bit-banging?      Jan Waclawek      08/16/05 11:01      
            bit-banging?      Grant Beattie      08/17/05 09:25      
               and unreliable too      Erik Malund      08/17/05 09:34      
   USB "On The Go"      Andy Peters      08/16/05 12:00      
      neither      Erik Malund      08/16/05 12:37      
   How about this?      Andy Neil      08/23/05 07:47      
NOTICE: Message(s) moved      Craig Steiner      08/17/05 15:11      

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