I'm trying to communicate with an old device that operates at 1200 baud only. The tablet I'm using to control the old device will only go as low as 2400 baud. Any ideas on how to bridge this gap would be greatly appreciated.
I'm aware of a couple of chips where the width of the baud rate divider would be insufficient to get the APB clock down far enough to get to 1200 or 600 baud. One might be able to slow the APB down to a point it works but that would slow down a lot of other peripherals in the process.
Supporting 30 year old equipment is a bit niche at this point.
Thank you gentlemen. It seems clear to me now that the processor is not the probable issue. I will now pursue a driver based solution, with or without the vendor, to reach the necessary speed. Sorry that I jumped ahead about 4 mental pages when initially addressing this problem. All the help has been greatly appreciated. Thank you all again.