PIC18F6585 Datasheet, PDF (236/496 Pages) Microchip Technology – 64/68/80-Pin High-Performance, 64-Kbyte Enhanced Flash Microcontrollers with ECAN Module

PIC18F6585/8585/6680/8680
TABLE 18-3: BAUD RATES FOR ASYNCHRONOUS MODES
BAUD
RATE
(K)
0.3
1.2
2.4
9.6
19.2
57.6
115.2
SYNC = 0, BRGH = 0, 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)
—
—
—
—
—
—
—
—
—
—
—
—
1.221 1.73
255 1.202 0.16
129
2.441 1.73
255 2.404 0.16
129 2.404 0.16
64
9.615 0.16
64
9.766 1.73
31
9.766 1.73
15
19.531 1.73
31 19.531 1.73
15 19.531 1.73
7
56.818 -1.36
10 62.500 8.51
4
52.083 -9.58
2
125.000 8.51
4 104.167 -9.58
2
78.125 -32.18
1
FOSC = 8.000 MHz
Actual
Rate
(K)
%
Error
SPBRG
value
(decimal)
—
—
—
1201 -0.16 103
2403 -0.16
51
9615 -0.16
12
—
—
—
—
—
—
—
—
—
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)
%
Error
SPBRG Actual
value Rate
(decimal) (K)
%
Error
SPBRG Actual
value Rate
(decimal) (K)
%
Error
SPBRG
value
(decimal)
0.300 0.16
207
300
-0.16
103
300 -0.16
51
1.202 0.16
51
1201 -0.16
25
1201 -0.16
12
2.404 0.16
25
2403 -0.16
12
—
—
—
8.929 -6.99
6
—
—
—
—
—
—
20.833 8.51
2
—
—
—
—
—
—
62.500 8.51
0
—
—
—
—
—
—
62.500 -45.75
0
—
—
—
—
—
—
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
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)
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
2.441 1.73
255
2403 -0.16 207
9.766 1.73
255 9.615 0.16
129 9.615 0.16
64
9615 -0.16
51
19.231 0.16
129 19.231 0.16
64 19.531 1.73
31
19230 -0.16
25
58.140 0.94
42 56.818 -1.36
21 56.818 -1.36
10
55555 3.55
8
113.636 -1.36
21 113.636 -1.36
10 125.000 8.51
4
—
—
—
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)
%
Error
SPBRG Actual
value Rate
(decimal) (K)
%
Error
SPBRG Actual
value Rate
(decimal) (K)
%
Error
SPBRG
value
(decimal)
—
—
—
—
—
—
300
-0.16
207
1.202 0.16
207
1201 -0.16
103
1201 -0.16
51
2.404 0.16
103
2403 -0.16
51
2403 -0.16
25
9.615 0.16
25
9615 -0.16
12
—
—
—
19.231 0.16
12
—
—
—
—
—
—
62.500 8.51
3
—
—
—
—
—
—
125.000 8.51
1
—
—
—
—
—
—
DS30491C-page 234
 2004 Microchip Technology Inc.