Do you think the DSerial Edge can support 5V TTL comms?

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grommit
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Joined: Sat Apr 10, 2010 12:01 am

Do you think the DSerial Edge can support 5V TTL comms?

Post by grommit » Sat Apr 10, 2010 12:03 am

I don't want to fry anything.
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karagh
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Re: Do you think the DSerial Edge can support 5V TTL comms?

Post by karagh » Mon Apr 12, 2010 11:02 pm

According to microcontroller's datasheet, it can handle 5 volt signals as digital inputs, but it will only provide 3 volts (microcontrollers supply in fact) as digital output.

You can check the Application Note 111 (C8051FXXX IN 5 VOLT SYSTEMS) to get some tips regarding your question.
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Izhido
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Re: Do you think the DSerial Edge can support 5V TTL comms?

Post by Izhido » Tue Apr 13, 2010 9:07 pm

... thank God for 74C & 74HC ICs :D
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