PIC18FXX20
TABLE 18-3: BAUD RATES FOR SYNCHRONOUS MODE
FOSC = 40 MHz
33 MHz
25 MHz
20 MHz
BAUD
RATE
SPBRG
SPBRG
value
SPBRG
SPBRG
value
%
%
%
%
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
NA
-
-
NA
-
-
NA
-
-
NA
-
-
9.6
NA
NA
-
-
-
-
NA
NA
-
-
-
-
NA
NA
-
-
-
-
NA
NA
-
-
-
-
64
51
16
9
19.2
76.8
96
300
500
HIGH
LOW
76.92
96.15
303.03
500
10000
39.06
+0.16
+0.16
+1.01
0
-
129
103
32
19
0
77.10
95.93
294.64
485.30
8250
32.23
+0.39
-0.07
-1.79
-2.94
-
106
85
27
16
0
77.16
96.15
297.62
480.77
6250
24.41
+0.47
+0.16
-0.79
-3.85
-
80
64
20
12
0
76.92
96.15
294.12
500
5000
19.53
+0.16
+0.16
-1.96
0
-
0
255
-
255
-
255
-
255
-
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
NA
NA
-
-
-
-
NA
NA
-
-
-
-
NA
NA
-
-
-
-
NA
NA
-
-
-
-
2.4
NA
-
-
NA
-
-
NA
-
-
NA
-
-
9.6
NA
-
+0.16
+0.16
-0.79
+2.56
0
-
NA
-
+0.16
-1.36
+0.16
+4.17
0
-
9.62
+0.23
+0.23
+1.32
-1.88
-0.57
-10.51
-
185
92
22
18
5
3
0
255
9.60
0
0
131
65
16
12
3
2
0
255
19.2
76.8
96
300
500
HIGH
LOW
19.23
76.92
95.24
307.70
500
207
51
41
12
7
19.23
75.76
96.15
312.50
500
129
32
25
7
4
0
19.24
77.82
94.20
298.35
447.44
1789.80
6.99
19.20
74.54
97.48
316.80
422.40
1267.20
4.95
-2.94
+1.54
+5.60
-15.52
-
4000
15.63
-
-
0
255
2500
9.77
-
-
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
NA
NA
NA
9.62
19.23
76.92
1000
333.33
500
-
-
-
-
-
-
NA
NA
NA
-
-
-
-
-
-
92
46
11
8
2
1
0
255
NA
1.20
2.40
9.62
19.23
83.33
83.33
250
-
-
207
103
25
12
2
2
0
-
0
0.30
1.17
2.73
8.20
NA
NA
NA
NA
NA
+1.14
-2.48
+13.78
-14.67
-
-
-
-
-
-
-
26
6
2
0
-
-
-
-
-
+0.16
+0.16
+0.16
+0.16
+8.51
-13.19
-16.67
-
9.6
+0.16
+0.16
+0.16
+4.17
+11.11
0
103
51
12
9
2
1
9.62
+0.23
-0.83
-2.90
+3.57
-0.57
-10.51
-
19.2
76.8
96
300
500
HIGH
LOW
19.04
74.57
99.43
298.30
447.44
894.89
3.50
NA
250
0.98
1000
3.91
-
-
0
255
-
-
8.20
0.03
0
255
-
255
2003 Microchip Technology Inc.
Advance Information
DS39609A-page 201
MICROCHIP [ MICROCHIP ]
