[Coco] 6551 at 115200 bps

[Roger Taylor]

At 05:49 PM 1/18/2009, you wrote:
>At 05:20 PM 1/18/2009, you wrote:
>>Roger,
>>
>>If you were to take the 1.8432MHz clock and feed it right into the
>>6551's TxC and RxC (clock) pins and set the chip to external clock mode,
>>you'd get 115,200 bps out of it.
>
>With the 1.8432 mhz crystal connected at XTAL1 and XTAL2 where it's 
>supposed to be, setting the baud rate to 0000 achieves the same 
>thing, or am I missing something?
>
>Are you saying the E signal could be sent to TxC and RxC to achieve 
>57600 bps and 115200 bps based on whether the CoCo is at normal or 
>double speed?

Scratch that last question.  E wouldn't be 1.8432 mhz either way.  I 
guess TxC/RxC has a different function than XTAL1/XTAL2. I don't know.

-- 
Roger Taylor

http://www.wordofthedayonline.com