Try your code with a 4MHz Xtal and it will (most likely) work. Because you are using a 20 MHz Xtal and not a 4 MHz Xtal, you will need to change your SPBRG value - see Table 10.3 in the datasheet for the 877A.
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Try your code with a 4MHz Xtal and it will (most likely) work. Because you are using a 20 MHz Xtal and not a 4 MHz Xtal, you will need to change your SPBRG value - see Table 10.3 in the datasheet for the 877A.
Paul Borgmeier
Salt Lake City, UT
USA
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