PIC18FXX20
TABLE 18-4: BAUD RATES FOR ASYNCHRONOUS MODE (BRGH = 0)
FOSC = 40 MHz
33 MHz
25 MHz
20 MHz
BAUD
RATE
SPBRG
SPBRG
value
SPBRG
value
SPBRG
value
%
%
%
%
value
(Kbps)
KBAUD ERROR
KBAUD
ERROR
KBAUD
ERROR
KBAUD ERROR
(decimal)
(decimal)
(decimal)
(decimal)
0.3
1.2
NA
NA
-
-
-
-
NA
NA
-
-
-
-
NA
NA
-
-
-
-
NA
NA
-
-
-
-
2.4
9.6
NA
-
-
2.40
9.55
-0.07
-0.54
-0.54
-4.09
+7.42
-14.06
-
214
53
26
6
4
1
-
0
255
2.40
9.53
19.53
78.13
97.66
NA
NA
390.63
1.53
-0.15
-0.76
+1.73
+1.73
162
40
19
4
3
-
-
0
255
2.40
9.47
+0.16
-1.36
+1.73
+1.73
+8.51
+4.17
-
129
32
15
3
2
0
-
0
255
9.62
18.94
78.13
89.29
312.50
625
+0.16
-1.36
+1.73
-6.99
+4.17
+25.00
-
64
32
7
6
1
0
0
255
19.2
76.8
96
300
500
HIGH
LOW
19.10
73.66
103.13
257.81
NA
19.53
78.13
104.17
312.50
NA
+1.73
-
-
-
-
625
2.44
515.63
2.01
-
-
312.50
1.22
-
-
-
FOSC = 16 MHz
10 MHz
7.15909 MHz
5.0688 MHz
%
BAUD
RATE
SPBRG
SPBRG
value
SPBRG
value
SPBRG
value
%
%
%
value
(Kbps)
KBAUD ERROR
KBAUD
ERROR
KBAUD
ERROR
KBAUD ERROR
(decimal)
(decimal)
(decimal)
(decimal)
0.3
1.2
2.4
NA
1.20
2.40
9.62
19.23
83.33
83.33
250
-
-
207
103
25
12
2
2
0
-
0
NA
1.20
2.40
-
-
129
64
15
7
1
1
0
-
NA
1.20
2.38
9.32
18.64
111.86
NA
NA
NA
111.86
0.44
-
-
92
46
11
5
0
-
-
-
NA
1.20
2.40
9.90
19.80
79.20
NA
NA
NA
79.20
0.31
-
0
0
-
65
32
7
3
0
-
-
-
0
+0.16
+0.16
+0.16
+0.16
+8.51
-13.19
-16.67
-
+0.16
+0.16
+1.73
+1.73
+1.73
-18.62
-47.92
-
+0.23
-0.83
-2.90
-2.90
9.6
9.77
+3.13
+3.13
+3.13
-
-
-
-
-
19.2
76.8
96
300
500
HIGH
LOW
19.53
78.13
78.13
156.25
NA
+45.65
-
-
-
-
-
NA
250
0.98
-
-
156.25
0.61
-
-
0
255
0
255
255
255
FOSC = 4 MHz
%
3.579545 MHz
1 MHz
32.768 kHz
%
BAUD
RATE
SPBRG
value
SPBRG
value
SPBRG
value
SPBRG
value
%
%
(Kbps)
KBAUD ERROR
KBAUD
ERROR
KBAUD
ERROR
KBAUD ERROR
(decimal)
(decimal)
(decimal)
(decimal)
0.3
1.2
2.4
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
-
-
-
-
-
207
51
25
6
2
0
-
-
-
0
0.30
1.19
2.43
9.32
18.64
55.93
NA
NA
NA
55.93
0.22
+0.23
-0.83
+1.32
-2.90
-2.90
-27.17
-
-
-
-
-
185
46
22
5
2
0
-
-
-
0
0.30
1.20
2.23
7.81
15.63
NA
NA
NA
NA
15.63
0.06
+0.16
+0.16
-6.99
-18.62
51
12
6
1
0
-
-
-
-
0.26
NA
NA
NA
NA
NA
NA
NA
NA
-14.67
1
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
9.6
19.2
76.8
96
300
500
HIGH
LOW
-18.62
-
-
-
-
-
-
0
255
0.51
0.002
0
255
255
255
DS39609A-page 202
Advance Information
2003 Microchip Technology Inc.
MICROCHIP [ MICROCHIP ]
