Datasheet

PIC16C745/765
DS41124D-page 80 Preliminary  1999-2013 Microchip Technology Inc.
TABLE 11-4: BAUD RATES FOR
ASYNCHRONOUS MODE
(BRGH = 1)
TABLE 11-5: REGISTERS ASSOCIATED WITH BAUD RATE GENERATOR
Desired
Baud
24 MHz
Actual
Baud
% of Error SPBRG
300 
1200 
2400 
4800 
9600 9615.38 0.16 155
19200 19230.77 0.16 77
38400 38461.54 0.16 38
57600 57692.31 0.16 25
115200 115384.62 0.16 12
230400 250000.00 8.51 5
460800 500000.00 8.51 2
921600 
Address Name Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
Value on:
POR,
BOR
Value on all
other resets
98h TXSTA
CSRC TX9 TXEN SYNC —BRGHTRMT TX9D
0000 -010 0000 -010
18h RCSTA SPEN RX9 SREN CREN — FERR OERR RX9D
0000 -00x 0000 -00x
99h SPBRG Baud Rate Generator Register
0000 0000 0000 0000
Legend: x = unknown, - = unimplemented read as '0'. Shaded cells are not used by the BRG.