I was hoping for a bit of help with this problem that I have. I picked up some 2x20 back lit LCD modules w/ onboard rs232 driver. The main controller is a 68HC705. I was hoping to use these to output ascii characters to employees when they clock in so they can see the feedback from their actions.
The manufacturer was kind enough to give me firmware code (not source) in .S19 format (see below) as well as schematics. I also have the LCD manual. I'm not at all familiar w/ this controller and don't know much about coding at this level but thought I'd ask for some help. I'm hoping to find out the baud rate it's operating at (schematics say 4Mhz clock) and if there seems to be any command or escape character sequences that I need to use to send information to the display.
Any help is greatly appreciated, I'd happily send a nice gift to anyone who can help get this working.
Thanks,
Jeremy
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