PIC18CXX2
TABLE 15-5: 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)
%
%
%
%
9.6
9.615
+0.16
129
9.615
+0.16
103
9.615
+0.16
64
9.520
-0.83
46
19.2
38.4
57.6
115.2
250
19.230
37.878
56.818
113.636
250
+0.16
-1.36
-1.36
-1.36
0
64
32
21
10
4
19.230 +0.16
38.461 +0.16
58.823 +2.12
111.111 -3.55
51
25
16
8
18.939
39.062
56.818
125
-1.36
+1.7
-1.36
+8.51
-
32
15
10
4
19.454 +1.32
22
11
7
37.286
55.930
-2.90
-2.90
111.860 -2.90
3
250
NA
NA
0
-
3
NA
-
NA
NA
NA
-
-
-
-
625
625
0
1
-
625
0
0
-
1250
1250
0
0
-
-
NA
-
-
-
BAUD
RATE
(K)
FOSC = 5.068
%
SPBRG
value
4 MHz
SPBRG
value
3.579 MHz
SPBRG
value
1 MHz
SPBRG
value
32.768 kHz
%
SPBRG
value
%
-
%
%
(decimal)
(decimal)
(decimal)
(decimal)
(decimal)
9.6
9.6
0
32
NA
-
9.727
+1.32
22
8.928
-6.99
6
2
1
0
-
NA
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
19.2
38.4
57.6
115.2
250
18.645
39.6
52.8
105.6
NA
-2.94
16
7
5
2
-
1.202
2.403
9.615
+0.17
+0.13
+0.16
207
103
25
12
-
18.643
37.286
55.930
111.86
-2.90
-2.90
-2.90
-2.90
11
5
3
1
0
-
20.833 +8.51
NA
NA
NA
NA
NA
NA
NA
+3.12
31.25
62.5
NA
-18.61
-8.33
+8.51
-8.33
19.231 +0.16
-
-
-
-
-
-
-
NA
NA
NA
-
-
-
223.72 -10.51
NA
-
625
NA
-
-
NA
NA
-
-
NA
-
1250
NA
-
-
-
NA
-
DS39026B-page 156
Preliminary
7/99 Microchip Technology Inc.
MICROCHIP [ MICROCHIP ]
