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RS232 setup for the 18F27K42

 
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gfrazier12345



Joined: 01 Oct 2018
Posts: 2

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RS232 setup for the 18F27K42
PostPosted: Mon Oct 01, 2018 10:01 am     Reply with quote
#USE RS232 doesnt want to behave for the 27K42. This always worked for the 26K22...
Code:
#USE RS232(BAUD=19200,UART1,STREAM=HOST,ERRORS)
But I get "U1RX not defined errors.
neither of
Code:
#USE RS232(BAUD=19200,UART1,XMIT=PIN_C6) or
#USE RS232(BAUD=19200,UART1,XMIT=PIN_C6,RCV=PIN_C7)
work either.
(PS, clock is 64MHz)

Does someone have a UART code example for the 27K42?
Many Thanks
Gary
Ttelmah



Joined: 11 Mar 2010
Posts: 19549

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PostPosted: Mon Oct 01, 2018 10:10 am     Reply with quote
Look at the sticky near the top of the forum for #PIN SELECT.
On the 27K42, the UART TX and RX are both PPS peripherals.
You are also going to meet the same issue with a lot of other peripheral (timer inputs, SPI etc.).
gfrazier12345



Joined: 01 Oct 2018
Posts: 2

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RS232 setup for the 18F27K42
PostPosted: Mon Oct 01, 2018 1:56 pm     Reply with quote
Thank so much!
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