Hi all,
>
> I got thrown into a project that has Zilog 180 onboard. I am trying to
> make this device communicate with PC using the famous 3 wire serial
> cable. But, I am having so many Overrun Error (OVRN) and Framing Error
> (FE) problems. Even at 300 baud at 2 stop bits. The processor is clocked
> with a 4.608 MHz Oscilator and I am using the ASCI Baud Rate Selection
> Table (on Z180 PDF) for choosing speeds.
>
> The hardware designer is not around anymore, and I can not get any other
> help. Line driver is ADM232LJN.
>
> Are there any know issues with communication with Z80 or Z180.
Not at all regarding speed. I have and still run Z80 systems clocked on
6.144MHz, running 2 uarts; one on 19200 baud, the other at 96000 baud.If you have framing errors and/or overruns, check the data format (7/8 bits, parity, no. of stop bits).
Meindert