Datasheet

Table Of Contents
PIC16F631/677/685/687/689/690
DS41262E-page 166 © 2008 Microchip Technology Inc.
BAUD
RATE
SYNC = 0, BRGH = 1, BRG16 = 1 or SYNC = 1, BRG16 = 1
F
OSC = 20.000 MHz FOSC = 18.432 MHz FOSC = 11.0592 MHz FOSC = 8.000 MHz
Actual
Rate
%
Error
SPBRG
value
(decimal)
Actual
Rate
%
Error
SPBRG
value
(decimal)
Actual
Rate
%
Error
SPBRG
value
(decimal)
Actual
Rate
%
Error
SPBRG
value
(decimal)
300 300.0 0.00 16665 300.0 0.00 15359 300.0 0.00 9215 300.0 0.00 6666
1200 1200 -0.01 4166 1200 0.00 3839 1200 0.00 2303 1200 -0.02 1666
2400 2400 0.02 2082 2400 0.00 1919 2400 0.00 1151 2401 0.04 832
9600 9597 -0.03 520 9600 0.00 479 9600 0.00 287 9615 0.16 207
10417 10417 0.00 479 10425 0.08 441 10433 0.16 264 10417 0 191
19.2k 19.23k 0.16 259 19.20k 0.00 239 19.20k 0.00 143 19.23k 0.16 103
57.6k 57.47k -0.22 86 57.60k 0.00 79 57.60k 0.00 47 57.14k -0.79 34
115.2k 116.3k 0.94 42 115.2k 0.00 39 115.2k 0.00 23 117.6k 2.12 16
BAUD
RATE
SYNC = 0, BRGH = 1, BRG16 = 1 or SYNC = 1, BRG16 = 1
F
OSC = 4.000 MHz FOSC = 3.6864 MHz FOSC = 2.000 MHz FOSC = 1.000 MHz
Actual
Rate
%
Error
SPBRG
value
(decimal)
Actual
Rate
%
Error
SPBRG
value
(decimal)
Actual
Rate
%
Error
SPBRG
value
(decimal)
Actual
Rate
%
Error
SPBRG
value
(decimal)
300 300.0 0.01 3332 300.0 0.00 3071 299.9 -0.02 1666 300.1 0.04 832
1200 1200 0.04 832 1200 0.00 767 1199 -0.08 416 1202 0.16 207
2400 2398 0.08 416 2400 0.00 383 2404 0.16 207 2404 0.16 103
9600 9615 0.16 103 9600 0.00 95 9615 0.16 51 9615 0.16 25
10417 10417 0.00 95 10473 0.53 87 10417 0.00 47 10417 0.00 23
19.2k 19.23k 0.16 51 19.20k 0.00 47 19.23k 0.16 25 19.23k 0.16 12
57.6k 58.82k 2.12 16 57.60k 0.00 15 55.56k -3.55 8
115.2k 111.1k -3.55 8 115.2k 0.00 7
TABLE 12-5: BAUD RATES FOR ASYNCHRONOUS MODES (CONTINUED)