Datasheet

 1997-2013 Microchip Technology Inc. DS30234E-page 109
PIC16C6X
TABLE 12-5: BAUD RATES FOR ASYNCHRONOUS MODE (BRGH = 1)
BAUD
RATE
(K)
FOSC = 20 MHz
SPBRG
value
(decimal)
16 MHz
SPBRG
value
(decimal)
10 MHz
SPBRG
value
(decimal)
7.16 MHz
SPBRG
value
(decimal)KBAUD
%
ERROR KBAUD
%
ERROR KBAUD
%
ERROR KBAUD
%
ERROR
9.6 9.615 +0.16 129 9.615 +0.16 103 9.615 +0.16 64 9.520 -0.83 46
19.2 19.230 +0.16 64 19.230 +0.16 51 18.939 -1.36 32 19.454 +1.32 22
38.4 37.878 -1.36 32 38.461 +0.16 25 39.062 +1.7 15 37.286 -2.90 11
57.6 56.818 -1.36 21 58.823 +2.12 16 56.818 -1.36 10 55.930 -2.90 7
115.2 113.636 -1.36 10 111.111 -3.55 8 125 +8.51 4 111.860 -2.90 3
250 250 0 4 250 0 3 NA - - NA - -
625 625 0 1 NA - - 625 0 0 NA - -
1250 1250 0 0 NA - - NA - - NA - -
BAUD
RATE
(K)
FOSC = 5.068 MHz
SPBRG
value
(decimal)
4 MHz
SPBRG
value
(decimal)
3.579 MHz
SPBRG
value
(decimal)
1 MHz
SPBRG
value
(decimal)
32.768 kHz
SPBRG
value
(decimal)KBAUD
%
ERROR KBAUD
%
ERROR KBAUD
%
ERROR KBAUD
%
ERROR KBAUD
%
ERROR
9.6 9.6 0 32 NA - - 9.727 +1.32 22 8.928 -6.99 6 NA - -
19.2 18.645 -2.94 16 1.202
+0.17
207 18.643 -2.90 11 20.833 +8.51 2 NA - -
38.4 39.6 +3.12 7 2.403 +0.13 103 37.286 -2.90 5 31.25 -18.61 1 NA - -
57.6 52.8 -8.33 5 9.615 +0.16 25 55.930 -2.90 3 62.5 +8.51 0 NA - -
115.2 105.6 -8.33 2 19.231 +0.16 12 111.860 -2.90 1 NA - - NA - -
250 NA - - NA - - 223.721 -10.51 0 NA - - NA - -
625NA - -NA- -NA- -NA- -NA- -
1250 NA - - NA - - NA - - NA - - NA - -
Note: For the PIC16C63/R63/65/65A/R65 the asynchronous high speed mode (BRGH = 1) may experience a high
rate of receive errors. It is recommended that BRGH = 0. If you desire a higher baud rate than BRGH = 0
can support, refer to the device errata for additional information or use the PIC16C66/67.