PIC18FXX8 Datasheet, PDF (189/402 Pages) Microchip Technology – 28/40-Pin High-Performance, Enhanced Flash Microcontrollers with CAN Module

PIC18FXX8
TABLE 18-4: BAUD RATES FOR ASYNCHRONOUS MODE (BRGH = 0)
BAUD
RATE
(Kbps)
FOSC = 40 MHz
%
KBAUD ERROR
0.3
1.2
2.4
9.6
19.2
76.8
96
300
500
HIGH
LOW
NA
NA
NA
9.62
18.94
78.13
89.29
312.50
625
625
2.44
-
-
-
+0.16
-1.36
+1.73
-6.99
+4.17
+25.00
-
-
SPBRG
value
(decimal)
33 MHz
%
KBAUD ERROR
-
NA
-
-
NA
-
-
2.40
-0.07
64
9.55
-0.54
32
19.10
-0.54
7
73.66
-4.09
6
103.13 +7.42
1
257.81 -14.06
0
NA
-
0
515.63
-
255
2.01
-
SPBRG
value
(decimal)
25 MHz
%
KBAUD ERROR
-
NA
-
-
NA
-
214
2.40
-0.15
53
9.53
-0.76
26
19.53
+1.73
6
78.13
+1.73
4
97.66
+1.73
1
NA
-
-
NA
-
0
390.63
-
255
1.53
-
SPBRG
value
(decimal)
20 MHz
%
KBAUD ERROR
-
NA
-
-
NA
-
162
2.40
+0.16
40
9.47
-1.36
19
19.53 +1.73
4
78.13 +1.73
3
104.17 +8.51
-
312.50 +4.17
-
NA
-
0
312.50
-
255
1.22
-
SPBRG
value
(decimal)
-
-
129
32
15
3
2
0
-
0
255
BAUD
RATE
(Kbps)
FOSC = 16 MHz
%
KBAUD ERROR
0.3
1.2
2.4
9.6
19.2
76.8
96
300
500
HIGH
LOW
NA
1.20
2.40
9.62
19.23
83.33
83.33
250
NA
250
0.98
-
+0.16
+0.16
+0.16
+0.16
+8.51
-13.19
-16.67
-
-
-
SPBRG
value
(decimal)
10 MHz
%
KBAUD ERROR
-
NA
-
207
1.20
+0.16
103
2.40
+0.16
25
9.77
+1.73
12
19.53
+1.73
2
78.13
+1.73
2
78.13
-18.62
0
156.25 -47.92
-
NA
-
0
156.25
-
255
0.61
-
SPBRG
value
(decimal)
7.15909 MHz
%
KBAUD ERROR
-
NA
-
129
1.20
+0.23
64
2.38
-0.83
15
9.32
-2.90
7
18.64
-2.90
1
111.86 +45.65
1
NA
-
0
NA
-
-
NA
-
0
111.86
-
255
0.44
-
SPBRG
value
(decimal)
5.0688 MHz
%
KBAUD ERROR
-
NA
-
92
1.20
0
46
2.40
0
11
9.90
+3.13
5
19.80 +3.13
0
79.20 +3.13
-
NA
-
-
NA
-
-
NA
-
0
79.20
-
255
0.31
-
SPBRG
value
(decimal)
-
65
32
7
3
0
-
-
-
0
255
BAUD
RATE
(Kbps)
FOSC = 4 MHz
%
KBAUD ERROR
0.3
1.2
2.4
9.6
19.2
76.8
96
300
500
HIGH
LOW
0.30
1.20
2.40
8.93
20.83
62.50
NA
NA
NA
62.50
0.24
-0.16
+1.67
+1.67
-6.99
+8.51
-18.62
-
-
-
-
-
SPBRG
value
(decimal)
3.579545 MHz
%
KBAUD ERROR
207
0.30
+0.23
51
1.19
-0.83
25
2.43
+1.32
6
9.32
-2.90
2
18.64
-2.90
0
55.93
-27.17
-
NA
-
-
NA
-
-
NA
-
0
55.93
-
255
0.22
-
SPBRG
value
(decimal)
1 MHz
%
KBAUD ERROR
185
0.30
+0.16
46
1.20
+0.16
22
2.23
-6.99
5
7.81
-18.62
2
15.63
-18.62
0
NA
-
-
NA
-
-
NA
-
-
NA
-
0
15.63
-
255
0.06
-
SPBRG
value
(decimal)
32.768 kHz
%
KBAUD ERROR
51
0.26 -14.67
12
NA
-
6
NA
-
1
NA
-
0
NA
-
-
NA
-
-
NA
-
-
NA
-
-
NA
-
0
0.51
-
255
0.002
-
SPBRG
value
(decimal)
1
-
-
-
-
-
-
-
-
0
255
 2004 Microchip Technology Inc.
DS41159D-page 187