PIC18F97J60 Datasheet, PDF (309/474 Pages) Microchip Technology – 64/80/100-Pin, High-Performance, 1 Mbit Flash Microcontrollers with Ethernet

PIC18F97J60 FAMILY
TABLE 20-3: BAUD RATES FOR ASYNCHRONOUS MODES
BAUD
RATE
(K)
SYNC = 0, BRG16 = 0, BRGH = 0
FOSC = 41.667 MHz
FOSC = 31.25 MHz
FOSC = 25.000 MHz
FOSC = 20.833 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
—
—
—
—
—
—
—
—
—
1.271 5.96
255
2.4 2.543 5.96
255 2.405 0.22
202 2.396 -0.15
162 2.393 -0.27
135
9.6 9.574 -0.27
67
9.574 -0.27
50
9.527 -0.76
40
9.574 -0.27
33
19.2 19.148 -0.27
33 19.531 1.73
24 19.531 1.73
19 19.147 -0.27
16
57.6 59.186 2.75
10 61.035 5.96
7
55.804 -3.12
6
54.253 -5.81
5
115.2 108.508 -5.81
5 122.070 5.96
3 130.208 13.03
2 108.505 -5.81
2
BAUD
RATE
(K)
SYNC = 0, BRG16 = 0, BRGH = 0
FOSC = 13.889 MHz
FOSC = 6.250 MHz
FOSC = 4.167 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 0.01
216
1.2
1.198 -0.08
180
1.206 0.47
80
1.206 0.48
53
2.4
2.411 0.47
89
2.382 -0.76
40
2.411 0.48
26
9.6 9.435 -1.71
22
9.766 1.73
9
9.301 -3.11
6
19.2 19.279 2.75
10 19.531 1.73
4
21.703 13.04
2
57.6 54.254 -5.81
3
48.828 -15.23
1
65.109 13.04
0
115.2 108.508 -5.81
1
97.656 -15.23
0
65.109 -43.48
0
BAUD
RATE
(K)
SYNC = 0, BRG16 = 0, BRGH = 1
FOSC = 41.667 MHz
FOSC = 31.25 MHz
FOSC = 25.000 MHz
FOSC = 20.833 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
—
—
—
—
—
—
—
—
—
—
—
—
2.4
—
—
—
—
—
—
—
—
—
—
—
—
9.6 10.172 5.96
255 9.621 0.22
202 9.586 -0.15
162 9.573 -0.27
135
19.2 19.148 -0.27
135 19.148 -0.27
101 19.290 0.47
80 19.147 -0.27
67
57.6 57.871 0.47
44 57.445 -0.27
33 57.870 0.47
26 56.611 -1.72
22
115.2 113.226 -1.71
22 114.890 -0.27
16 111.607 -3.12
13 118.369 2.75
10
BAUD
RATE
(K)
0.3
1.2
2.4
9.6
19.2
57.6
115.2
SYNC = 0, BRG16 = 0, BRGH = 1
FOSC = 13.889 MHz
FOSC = 6.250 MHz
FOSC = 4.167 MHz
Actual
Rate
(K)
%
Error
SPBRG Actual
value Rate
(decimal) (K)
%
Error
SPBRG Actual
value Rate
(decimal) (K)
%
Error
SPBRG
value
(decimal)
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
1.200 0.01
216
—
—
—
2.396 -0.15
162
2.389 -0.44
108
9.645 0.47
89
9.527 -0.76
40
9.645 0.48
26
19.290 0.47
44 19.531 1.73
19 18.603 -3.11
13
57.871 0.47
14 55.804 -3.12
6
52.088 -9.57
4
108.508 -5.81
7 130.208 13.03
2 130.219 13.04
1
© 2006 Microchip Technology Inc.
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