:: he question is: can I use the USART tx pin as a general purpose i/o
:: pin while the serial port is enabled?  That is: while SPEN=1, can I
:: use the UART tx pin as an i/o pin-

According to the errata sheet for the 16F6x8a series, you just need to 
have the TXEN bit set to zero and TRISB:2 set as an input and you're 
good to go.

Colin
-
cdb, colin@btech-online.co.uk on 24/04/2009
 
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