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Re: [avr-gcc-list] "Why me?" UART problem.
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From: |
Richard Urwin |
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Subject: |
Re: [avr-gcc-list] "Why me?" UART problem. |
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Date: |
Mon, 21 Jun 2004 18:56:07 +0100 |
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User-agent: |
KMail/1.5.3 |
On Monday 21 Jun 2004 10:10 am, Colin O'Flynn wrote:
> As another note:
>
> For just transmitting you can get away with only a logic level
> inverter sometimes. So just connect the TX output of the AVR to a NOT
> gate, and the output of the NOT gate to the RX input of the PC. It
> doesn't work on all serial ports, but most new ones can accept TTL
> signals.
I'll just add that it looks like the PC was receiving TTL OK. The five 1
bits in 0x5F probably match the five 0 bits in 0x41. All TTL to RS232
converters have inverters in them.
--
Richard Urwin
- [avr-gcc-list] "Why me?" UART problem., Laszlo, 2004/06/21
- Re: [avr-gcc-list] "Why me?" UART problem., Raphaël Assénat, 2004/06/21
- [avr-gcc-list] New AVR simulator, Anich Gregor, 2004/06/23
- Re: [avr-gcc-list] New AVR simulator, Klaus Rudolph, 2004/06/24
- Re: [avr-gcc-list] New AVR simulator, Simon Han, 2004/06/24