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???
05/25/11 08:12
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Msg Score: +1
 +1 Good Answer/Helpful		 #182389 - Why Bother ??
Responding to: ???'s previous message
Why bother coming here to ask questions if you cannot read the items posted and investigate suggestions made? Do you have the initiative to learn about this embedded field and become successful with it?

The FTDI cables suggested are TTL serial. They are SPECIFICALLY designed to connect from a USB port on a PC over to an MCU that has UART interface pins. The whole idea is to eliminate the conversion from TTL to RS232 signalling levels and then the conversion back from RS232 to TTL levels that is required when you use adapters of the type that you showed. The FTDI cables are "the solution" to use for embedded projects that want to connect to PCs and Laptops via USB port.

Michael Karas


List of 32 messages in thread
TopicAuthorDate
8051 based USB Controller            01/01/70 00:00      
   What? Why?            01/01/70 00:00      
      Actual task            01/01/70 00:00      
         Use one of these            01/01/70 00:00      
   What type of "USB Communication", exactly?            01/01/70 00:00      
      Details            01/01/70 00:00      
         USB Based 8051            01/01/70 00:00      
            Not recommended for new designs            01/01/70 00:00      
   DIP? Unlikely.            01/01/70 00:00      
      What's the solution then            01/01/70 00:00      
         You'll Have to Decide.            01/01/70 00:00      
         switch from the DIP package            01/01/70 00:00      
         SILabs            01/01/70 00:00      
            There are DIP USB devices in MCP 18F series            01/01/70 00:00      
               MCP???            01/01/70 00:00      
                  He's talking about PICs...            01/01/70 00:00      
                     USB dongle            01/01/70 00:00      
   A nice solution            01/01/70 00:00      
      USB Dongle Selection            01/01/70 00:00      
         Wont it require any Converter too            01/01/70 00:00      
            Did you actually bother to study the details at all?            01/01/70 00:00      
            Why Bother ??            01/01/70 00:00      
      Not necessarily so nice            01/01/70 00:00      
         Use UART            01/01/70 00:00      
         There's one important "gotcha" ...            01/01/70 00:00      
      What about the data rate?            01/01/70 00:00      
         Data rate            01/01/70 00:00      
            Can you proceed without knowing the reqirements?            01/01/70 00:00      
               latency            01/01/70 00:00      
               I doubt we ever will            01/01/70 00:00      
                  Trying this solution            01/01/70 00:00      
                     USB MCU DIP Package            01/01/70 00:00      

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