Datasheet

PIC16C6X
DS30234E-page 108  1997-2013 Microchip Technology Inc.
TABLE 12-3: BAUD RATES FOR SYNCHRONOUS MODE
TABLE 12-4: BAUD RATES FOR ASYNCHRONOUS MODE (BRGH = 0)
BAUD
RATE
(K)
FOSC = 20 MHz
SPBRG
value
(decimal)
16 MHz
SPBRG
value
(decimal)
10 MHz
SPBRG
value
(decimal)
7.15909 MHz
SPBRG
value
(decimal)
KBAUD
%
ERROR
KBAUD
%
ERROR
KBAUD
%
ERROR
KBAUD
%
ERROR
0.3NA- -NA- -NA- -NA- -
1.2NA- -NA- -NA- -NA- -
2.4NA- -NA- -NA- -NA- -
9.6 NA - - NA - - 9.766 +1.73 255 9.622 +0.23 185
19.2 19.53 +1.73 255 19.23 +0.16 207 19.23 +0.16 129 19.24 +0.23 92
76.8 76.92 +0.16 64 76.92 +0.16 51 75.76 -1.36 32 77.82 +1.32 22
96 96.15 +0.16 51 95.24 -0.79 41 96.15 +0.16 25 94.20 -1.88 18
300 294.1 -1.96 16 307.69 +2.56 12 312.5 +4.17 7 298.3 -0.57 5
500 500 0 9 500 0 7 500 0 4 NA - -
HIGH 5000 - 0 4000 - 0 2500 - 0 1789.8 - 0
LOW 19.53 - 255 15.625 - 255 9.766 - 255 6.991 - 255
BAUD
RATE
(K)
FOSC = 5.0688 MHz
4 MHz
SPBRG
value
(decimal)
3.579545 MHz
SPBRG
value
(decimal)
1 MHz
SPBRG
value
(decimal)
32.768 kHz
SPBRG
value
(decimal)
KBAUD %
ERROR
SPBRG
value
(decimal)
KBAUD %
ERROR
KBAUD %
ERROR
KBAUD %
ERROR
KBAUD %
ERROR
0.3NA- -NA- - NA- -NA- -0.303+1.1426
1.2 NA - - NA - - NA - - 1.202 +0.16 207 1.170 -2.48 6
2.4NA- -NA- - NA- -2.404+0.16103NA- -
9.6 9.6 0 131 9.615 +0.16 103 9.622 +0.23 92 9.615 +0.16 25 NA - -
19.2 19.2 0 65 19.231 +0.16 51 19.04 -0.83 46 19.24 +0.16 12 NA - -
76.8 79.2 +3.13 15 76.923 +0.16 12 74.57 -2.90 11 83.34 +8.51 2 NA - -
96 97.48 +1.54 12 1000 +4.17 9 99.43 +3.57 8 NA - - NA - -
300 316.8 +5.60 3 NA - - 298.3 -0.57 2 NA - - NA - -
500NA- - NA- - NA - - NA- - NA- -
HIGH 1267 - 0 100 - 0 894.9 - 0 250 - 0 8.192 - 0
LOW 4.950 - 255 3.906 - 255 3.496 - 255 0.9766 - 255 0.032 - 255
BAUD
RATE
(K)
FOSC = 20 MHz
SPBRG
value
(decimal)
16 MHz
SPBRG
value
(decimal)
10 MHz
SPBRG
value
(decimal)
7.15909 MHz
SPBRG
value
(decimal)KBAUD
%
ERROR KBAUD
%
ERROR KBAUD
%
ERROR KBAUD
%
ERROR
0.3NA--NA --NA --NA--
1.2 1.221 +1.73 255 1.202 +0.16 207 1.202 +0.16 129 1.203 +0.23 92
2.4 2.404 +0.16 129 2.404 +0.16 103 2.404 +0.16 64 2.380 -0.83 46
9.6 9.469 -1.36 32 9.615 +0.16 25 9.766 +1.73 15 9.322 -2.90 11
19.2 19.53 +1.73 15 19.23 +0.16 12 19.53 +1.73 7 18.64 -2.90 5
76.8 78.13 +1.73 3 83.33 +8.51 2 78.13 +1.73 1 NA - -
96 104.2 +8.51 2 NA - - NA - - NA - -
300 312.5 +4.17 0 NA - - NA - - NA - -
500NA- -NA- -NA- -NA- -
HIGH 312.5 - 0 250 - 0 156.3 - 0 111.9 - 0
LOW 1.221 - 255 0.977 - 255 0.6104 - 255 0.437 - 255
BAUD
RATE
(K)
FOSC = 5.0688 MHz
4 MHz
SPBRG
value
(decimal)
3.579545 MHz
SPBRG
value
(decimal)
1 MHz
SPBRG
value
(decimal)
32.768 kHz
SPBRG
value
(decimal)KBAUD
%
ERROR
SPBRG
value
(decimal) KBAUD
%
ERROR KBAUD
%
ERROR KBAUD
%
ERROR KBAUD
%
ERROR
0.3 0.31 +3.13 255 0.3005 -0.17 207 0.301 +0.23 185 0.300 +0.16 51 0.256 -14.67 1
1.2 1.2 0 65 1.202 +1.67 51 1.190 -0.83 46 1.202 +0.16 12 NA - -
2.4 2.4 0 32 2.404 +1.67 25 2.432 +1.32 22 2.232 -6.99 6 NA - -
9.6 9.9 +3.13 7 NA - - 9.322 -2.90 5 NA - - NA - -
19.2 19.8 +3.13 3 NA - - 18.64 -2.90 2 NA - - NA - -
76.879.2+3.130NA--NA--NA--NA--
96 NA - - NA - - NA - - NA - - NA - -
300NA- -NA- -NA- -NA- -NA- -
500NA- -NA- -NA- -NA- -NA- -
HIGH 79.2 - 0 62.500 - 0 55.93 - 0 15.63 - 0 0.512 - 0
LOW 0.3094 - 255 3.906 - 255 0.2185 - 255 0.0610 - 255 0.0020 - 255