PIC18F86K22-I Datasheet, PDF (333/550 Pages) Microchip Technology – 64/80-Pin, High-Performance, 1-Mbit Enhanced Flash Microcontrollers

PIC18F87K22 FAMILY
TABLE 22-3: BAUD RATES FOR ASYNCHRONOUS MODES
BAUD
RATE
(K)
SYNC = 0, BRGH = 0, BRG16 = 0
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)
0.3
—
—
—
—
—
—
—
—
—
—
—
—
1.2
—
—
—
1.221 1.73
255
1.202 0.16
129
1.201 -0.16
103
2.4
2.441 1.73
255 2.404 0.16
129
2.404 0.16
64
2.403 -0.16
51
9.6
9.615 0.16
64
9.766 1.73
31
9.766 1.73
15
9.615 -0.16
12
19.2 19.531 1.73
31
19.531 1.73
15
19.531 1.73
7
—
—
—
57.6 56.818 -1.36
10
62.500 8.51
4
52.083 -9.58
2
—
—
—
115.2 125.000 8.51
4
104.167 -9.58
2
78.125 -32.18
1
—
—
—
BAUD
RATE
(K)
0.3
1.2
2.4
9.6
19.2
57.6
115.2
SYNC = 0, BRGH = 0, BRG16 = 0
FOSC = 4.000 MHz
FOSC = 2.000 MHz
FOSC = 1.000 MHz
Actual
Rate
(K)
0.300
1.202
2.404
8.929
20.833
62.500
62.500
%
Error
0.16
0.16
0.16
-6.99
8.51
8.51
-45.75
SPBRG
value
(decimal)
207
51
25
6
2
0
0
Actual
Rate
(K)
0.300
1.201
2.403
—
—
—
—
%
Error
-0.16
-0.16
-0.16
—
—
—
—
SPBRG
value
(decimal)
103
25
12
—
—
—
—
Actual
Rate
(K)
0.300
1.201
—
—
—
—
—
%
Error
-0.16
-0.16
—
—
—
—
—
SPBRG
value
(decimal)
51
12
—
—
—
—
—
BAUD
RATE
(K)
0.3
1.2
2.4
9.6
19.2
57.6
115.2
SYNC = 0, BRGH = 1, BRG16 = 0
FOSC = 40.000 MHz
FOSC = 20.000 MHz
FOSC = 10.000 MHz
Actual
Rate
(K)
%
Error
SPBRG Actual
value Rate
(decimal) (K)
%
Error
SPBRG Actual
value Rate
(decimal) (K)
%
Error
SPBRG
value
(decimal)
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
2.441 1.73
255
9.766 1.73
255 9.615 0.16
129
9.615 0.16
64
19.231 0.16
129 19.231 0.16
64
19.531 1.73
31
58.140 0.94
42
56.818 -1.36
21
56.818 -1.36
10
113.636 -1.36
21 113.636 -1.36
10 125.000 8.51
4
FOSC = 8.000 MHz
Actual
Rate
(K)
%
Error
SPBRG
value
(decimal)
—
—
—
—
—
—
2.403 -0.16
207
9.615 -0.16
51
19.230 -0.16
25
55.555 3.55
8
—
—
—
BAUD
RATE
(K)
0.3
1.2
2.4
9.6
19.2
57.6
115.2
SYNC = 0, BRGH = 1, BRG16 = 0
FOSC = 4.000 MHz
FOSC = 2.000 MHz
FOSC = 1.000 MHz
Actual
Rate
(K)
—
1.202
2.404
9.615
19.231
62.500
125.000
%
Error
—
0.16
0.16
0.16
0.16
8.51
8.51
SPBRG
value
(decimal)
—
207
103
25
12
3
1
Actual
Rate
(K)
—
1.201
2.403
9.615
—
—
—
%
Error
—
-0.16
-0.16
-0.16
—
—
—
SPBRG
value
(decimal)
—
103
51
12
—
—
—
Actual
Rate
(K)
0.300
1.201
2.403
—
—
—
—
%
Error
-0.16
-0.16
-0.16
—
—
—
—
SPBRG
value
(decimal)
207
51
25
—
—
—
—
 2009-2011 Microchip Technology Inc.
DS39960D-page 333