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USB simplified - adding USB connectivity to applications with legacy serial connections

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t.alex
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re: USB simplified - adding USB connectivity to applications with legacy serial connections
t.alex   5/14/2011 8:59:12 AM
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Recently I encounter some issue with the driver for Windows 7. Is there driver for Windows 7?

Etmax
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re: USB simplified - adding USB connectivity to applications with legacy serial connections
Etmax   5/11/2011 1:17:06 PM
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They all require a host driver of some description, in the windoze world they are called VCP or virtual comm port drivers because they make USB look like a serial port on the host side. Your micro based app sends stuff through the serial port, and your host SW uses a standard serial driver provided by the chip manufacturer. It works a treat except for really high speed apps just as pmoyle suggests. These types of devices are available from TI, SilLabs, Cypress, FTDI, Microchip and probably quite a few more that I haven't read about yet.

Etmax
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re: USB simplified - adding USB connectivity to applications with legacy serial connections
Etmax   5/11/2011 1:10:40 PM
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Engineers do, it's the marketdroids that spin these yarns. :-)

t.alex
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re: USB simplified - adding USB connectivity to applications with legacy serial connections
t.alex   2/26/2011 11:03:01 AM
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Yep, FTDP has been common nowadays. The drivers are well supported and can be download from the website.

Jerry.Brittingham
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re: USB simplified - adding USB connectivity to applications with legacy serial connections
Jerry.Brittingham   2/23/2011 3:04:10 PM
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FTDI has been making USB interface devices for years.

t.alex
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re: USB simplified - adding USB connectivity to applications with legacy serial connections
t.alex   2/10/2011 3:19:18 PM
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One of the problems with USB to UART IC is they often come with unique drivers to be installed at PC side. Does this IC require any special driver?

pmoyle
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re: USB simplified - adding USB connectivity to applications with legacy serial connections
pmoyle   2/5/2011 12:22:17 AM
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I've been using the CP21xx devices for precisely the purpose mentioned for more than 4 yr now. The one glaring omission from his article is the bandwidth discussion. If you need to transfer lots of data fast you need full blown USB. My requirements for instrumentation and test interfaces are fairly minimalist and the scheme works well for that. Also on low volume/one off projects the effort required for full USB is over the top.

sivan_ramachandran
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re: USB simplified - adding USB connectivity to applications with legacy serial connections
sivan_ramachandran   2/3/2011 5:22:03 AM
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Let us understand that this article is being written by a marketing engineer. That being the case, I think he has put his thoughts out well. At the least, I understand that I can use such a serial to USB solution in my designs without having to go through the learning curve of USB interface specification understanding (at least not a thorough understanding).

Test_engineer
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re: USB simplified - adding USB connectivity to applications with legacy serial connections
Test_engineer   2/2/2011 2:16:07 PM
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oops! typo error; should be 'inclusivity'. It's still BS no matter how you spell it.

Test_engineer
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re: USB simplified - adding USB connectivity to applications with legacy serial connections
Test_engineer   2/2/2011 2:14:29 PM
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Yo Underboatboy: yeah, what some people call purple prose. Connectivity, functionality, inclusity, diversity -- I hate those words! Why can't engineers write clear, concise and concrete English?

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