PIC18FXX20 Datasheet, PDF (204/366 Pages) Microchip Technology – 64/80-Pin High Performance 1 Mbit Enhanced FLASH Microcontrollers with A/D

PIC18FXX20
TABLE 18-4: BAUD RATES FOR ASYNCHRONOUS MODE (BRGH = 0)
BAUD
RATE
(Kbps)
FOSC = 40 MHz
KBAUD
%
ERROR
SPBRG
value
(decimal)
KBAUD
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
-
-
-
NA
-
NA
-
2.40
64
9.55
32
19.10
7
73.66
6
103.13
1
257.81
0
NA
0
515.63
255
2.01
33 MHz
%
ERROR
-
-
-0.07
-0.54
-0.54
-4.09
+7.42
-14.06
-
-
-
SPBRG
value
(decimal)
-
-
214
53
26
6
4
1
-
0
255
KBAUD
NA
NA
2.40
9.53
19.53
78.13
97.66
NA
NA
390.63
1.53
25 MHz
20 MHz
%
ERROR
-
-
-0.15
-0.76
+1.73
+1.73
+1.73
-
-
-
-
SPBRG
value
(decimal)
KBAUD
-
NA
-
NA
162
2.40
40
9.47
19
19.53
4
78.13
3
104.17
-
312.50
-
NA
0
312.50
255
1.22
%
ERROR
-
-
+0.16
-1.36
+1.73
+1.73
+8.51
+4.17
-
-
-
SPBRG
value
(decimal)
-
-
129
32
15
3
2
0
-
0
255
BAUD
RATE
(Kbps)
FOSC = 16 MHz
KBAUD
%
ERROR
SPBRG
value
(decimal)
KBAUD
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
-
-
-
-
NA
207
1.20
103
2.40
25
9.77
12
19.53
2
78.13
2
78.13
0
156.25
-
NA
0
156.25
255
0.61
10 MHz
7.15909 MHz
5.0688 MHz
%
ERROR
-
+0.16
+0.16
+1.73
+1.73
+1.73
-18.62
-47.92
-
-
-
SPBRG
value
(decimal)
-
129
64
15
7
1
1
0
-
0
255
KBAUD
NA
1.20
2.38
9.32
18.64
111.86
NA
NA
NA
111.86
0.44
%
ERROR
-
+0.23
-0.83
-2.90
-2.90
+45.65
-
-
-
-
-
SPBRG
value
(decimal)
KBAUD
-
NA
92
1.20
46
2.40
11
9.90
5
19.80
0
79.20
-
NA
-
NA
-
NA
0
79.20
255
0.31
%
ERROR
-
0
0
+3.13
+3.13
+3.13
-
-
-
-
-
SPBRG
value
(decimal)
-
65
32
7
3
0
-
-
-
0
255
BAUD
RATE
(Kbps)
0.3
1.2
2.4
9.6
19.2
76.8
96
300
500
HIGH
LOW
FOSC = 4 MHz
KBAUD
0.30
1.20
2.40
8.93
20.83
62.50
NA
NA
NA
62.50
0.24
%
ERROR
-0.16
+1.67
+1.67
-6.99
+8.51
-18.62
-
-
-
-
-
SPBRG
value
(decimal)
207
51
25
6
2
0
-
-
-
0
255
3.579545 MHz
KBAUD
0.30
1.19
2.43
9.32
18.64
55.93
NA
NA
NA
55.93
0.22
%
ERROR
+0.23
-0.83
+1.32
-2.90
-2.90
-27.17
-
-
-
-
-
SPBRG
value
(decimal)
185
46
22
5
2
0
-
-
-
0
255
KBAUD
0.30
1.20
2.23
7.81
15.63
NA
NA
NA
NA
15.63
0.06
1 MHz
%
ERROR
+0.16
+0.16
-6.99
-18.62
-18.62
-
-
-
-
-
-
32.768 kHz
SPBRG
value
(decimal)
51
12
6
1
0
-
-
-
-
0
255
KBAUD
0.26
NA
NA
NA
NA
NA
NA
NA
NA
0.51
0.002
%
ERROR
-14.67
-
-
-
-
-
-
-
-
-
-
SPBRG
value
(decimal)
1
-
-
-
-
-
-
-
-
0
255
DS39609A-page 202
Advance Information
 2003 Microchip Technology Inc.