PIC18F2331_10 Datasheet, PDF (224/392 Pages) Microchip Technology – 28/40/44-Pin Enhanced Flash Microcontrollers with nanoWatt Technology, High-Performance PWM and A/D

PIC18F2331/2431/4331/4431
TABLE 20-3: BAUD RATES FOR ASYNCHRONOUS MODES (CONTINUED)
BAUD
RATE
(K)
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)
0.3
1.2
2.4
9.6
19.2
57.6
115.2
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)
0.300
1.200
2.404
9.615
19.231
58.824
111.111
%
Error
0.01
0.04
0.16
0.16
0.16
2.12
-3.55
SPBRG
value
(decimal)
3332
832
415
103
51
16
8
Actual
Rate
(K)
0.300
1.201
2.403
9.615
19.230
55.555
—
%
Error
-0.04
-0.16
-0.16
-0.16
-0.16
3.55
—
SPBRG
value
(decimal)
1665
415
207
51
25
8
—
Actual
Rate
(K)
0.300
1.201
2.403
9.615
19.230
—
—
%
Error
-0.04
-0.16
-0.16
-0.16
-0.16
—
—
SPBRG
value
(decimal)
832
207
103
25
12
—
—
DS39616D-page 224
 2010 Microchip Technology Inc.