PIC18F2480_09 Datasheet, PDF (238/490 Pages) Microchip Technology – 28/40/44-Pin Enhanced Flash Microcontrollers with ECAN Technology, 10-Bit A/D and nanoWatt Technology

PIC18F2480/2580/4480/4580
TABLE 19-3: BAUD RATES FOR ASYNCHRONOUS MODES (CONTINUED)
BAUD
RATE
(K)
FOSC = 40.000 MHz
Actual
Rate
(K)
%
Error
SPBRG
value
(decimal)
SYNC = 0, BRGH = 0, BRG16 = 1
FOSC = 20.000 MHz
FOSC = 10.000 MHz
Actual
Rate
(K)
%
Error
SPBRG Actual
value Rate
(decimal) (K)
%
Error
SPBRG
value
(decimal)
FOSC = 8.000 MHz
Actual
Rate
(K)
%
Error
SPBRG
value
(decimal)
0.3
1.2
2.4
9.6
19.2
57.6
115.2
0.300
1.200
2.402
9.615
19.231
58.140
113.636
0.00
0.02
0.06
0.16
0.16
0.94
-1.36
8332
2082
1040
259
129
42
21
0.300
1.200
2.399
9.615
19.231
56.818
113.636
0.02
-0.03
-0.03
0.16
0.16
-1.36
-1.36
4165
1041
520
129
64
21
10
0.300
1.200
2.404
9.615
19.531
56.818
125.000
0.02
-0.03
0.16
0.16
1.73
-1.36
8.51
2082
520
259
64
31
10
4
0.300
1.201
2.403
9.615
19.230
55.555
—
-0.04
-0.16
-0.16
-0.16
-0.16
3.55
—
1665
415
207
51
25
8
—
BAUD
RATE
(K)
SYNC = 0, BRGH = 0, BRG16 = 1
FOSC = 4.000 MHz
FOSC = 2.000 MHz
FOSC = 1.000 MHz
Actual
Rate
(K)
%
Error
SPBRG Actual
value Rate
(decimal) (K)
%
Error
SPBRG Actual
value Rate
(decimal) (K)
%
Error
SPBRG
value
(decimal)
0.3
0.300 0.04
832 0.300 -0.16
415 0.300 -0.16
207
1.2
1.202 0.16
207
1.201 -0.16
103
1.201 -0.16
51
2.4
2.404 0.16
103 2.403 -0.16
51
2.403 -0.16
25
9.6
9.615 0.16
25
9.615 -0.16
12
—
—
—
19.2 19.231 0.16
12
—
—
—
—
—
—
57.6 62.500 8.51
3
—
—
—
—
—
—
115.2 125.000 8.51
1
—
—
—
—
—
—
BAUD
RATE
(K)
0.3
1.2
2.4
9.6
19.2
57.6
115.2
SYNC = 0, BRGH = 1, BRG16 = 1 or SYNC = 1, BRG16 = 1
FOSC = 40.000 MHz
FOSC = 20.000 MHz
FOSC = 10.000 MHz
FOSC = 8.000 MHz
Actual
Rate
(K)
%
Error
SPBRG Actual
value Rate
(decimal) (K)
%
Error
SPBRG Actual
value Rate
(decimal) (K)
%
Error
SPBRG Actual
value Rate
(decimal) (K)
%
Error
SPBRG
value
(decimal)
0.300
1.200
2.400
9.606
19.193
57.803
114.943
0.00
0.00
0.02
0.06
-0.03
0.35
-0.22
33332
8332
4165
1040
520
172
86
0.300
1.200
2.400
9.596
19.231
57.471
116.279
0.00
0.02
0.02
-0.03
0.16
-0.22
0.94
16665
4165
2082
520
259
86
42
0.300
1.200
2.402
9.615
19.231
58.140
113.636
0.00
0.02
0.06
0.16
0.16
0.94
-1.36
8332
2082
1040
259
129
42
21
0.300
1.200
2.400
9.615
19.230
57.142
117.647
-0.01
-0.04
-0.04
-0.16
-0.16
0.79
-2.12
6665
1665
832
207
103
34
16
BAUD
RATE
(K)
0.3
1.2
2.4
9.6
19.2
57.6
115.2
SYNC = 0, BRGH = 1, BRG16 = 1 or SYNC = 1, BRG16 = 1
FOSC = 4.000 MHz
FOSC = 2.000 MHz
FOSC = 1.000 MHz
Actual
Rate
(K)
%
Error
SPBRG Actual
value Rate
(decimal) (K)
%
Error
SPBRG Actual
value Rate
(decimal) (K)
%
Error
SPBRG
value
(decimal)
0.300 0.01
3332 0.300 -0.04 1665 0.300 -0.04
832
1.200 0.04
832 1.201 -0.16
415 1.201 -0.16
207
2.404 0.16
415 2.403 -0.16
207 2.403 -0.16
103
9.615 0.16
103 9.615 -0.16
51
9.615 -0.16
25
19.231 0.16
51 19.230 -0.16
25 19.230 -0.16
12
58.824 2.12
16 55.555 3.55
8
—
—
—
111.111 -3.55
8
—
—
—
—
—
—
DS39637D-page 238
© 2009 Microchip Technology Inc.