[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: Serial Double buffers



You will get "tr_ready" status when the transmitter starts
to send the first stop bit of the second last character written to
the transmitter.

Per Zander

On Wed, 4 Aug 2004, Frank Brown wrote:

> I have a question that may be difficult. Does anyone know just how deep the
> serial transmit buffering goes. I need to do a line turn-around on the RS485,
> in very fast timing, and I don't trust the latency of timers. I can dump dummy
> characters into the registers, then turn the line around, if I know just how
> deep the pile is (transmit, fifo if any, transmit shift register). Anybody
> know??
>
> Frank Brown
> Phoenix Consulting
> for Emerson Climate Technology
> fcb3@xxxxxxx.net
>
>
>
>
>