PIC 16F88 baud rate problem

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Currently i am using PIC 16F88 for serial communication and i need to set it the baud rate 300 to sending data.
Unfortunately the ccs c compiler saying not supported baud rate. Can anyone help to make it can set the baud rate to 300 withiout modifying any hardware connection (like adding external oscillator, currently i am using internal oscillator)? thanks.....
 

Set the internal oscillator to 4MHz (IRCF<2:0> = 6 [binary: 110]).

Set BRGH = 0 for use in low-speed mode.

Load 207 into SPBRG. Then you get a baud rate of 300 with 0% error.

You can't get baud rate of 300 with 8MHz frequency. You must have a frequency of 4MHz or lower.

Hope this helps.
Tahmid.
 
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thanks for the help.....
 

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