I'm tryng to read/write from/to COM1 serial port, but i don't know how. I programe in asembler Thanks
I mean the MCB517AC Evaluation Board that has 2 serial port. I can read/write fron serial interface 0 but I can't do it from the serial interface 1 My english is quite bad, sorry
You should download the Keil Evaluation tools. There is an example in the folder Keil\C51\EXAMPLES\Infineon C517 that uses the 2nd serial interface of the 517 device.