PIC16F870_13 Datasheet, PDF (64/172 Pages) Microchip Technology – 28/40-Pin, 8-Bit CMOS FLASH Microcontrollers

PIC16F870/871
TABLE 9-3: BAUD RATES FOR ASYNCHRONOUS MODE (BRGH = 0)
BAUD
RATE
(K)
0.3
1.2
2.4
9.6
19.2
28.8
33.6
57.6
HIGH
LOW
FOSC = 20 MHz
KBAUD
-
1.221
2.404
9.766
19.531
31.250
34.722
62.500
1.221
312.500
%
ERROR
-
1.75
0.17
1.73
1.72
8.51
3.34
8.51
-
-
SPBRG
value
(decimal)
-
255
129
31
15
9
8
4
255
0
FOSC = 16 MHz
FOSC = 10 MHz
KBAUD
-
1.202
2.404
9.615
19.231
27.778
35.714
62.500
0.977
250.000
%
ERROR
-
0.17
0.17
0.16
0.16
3.55
6.29
8.51
-
-
SPBRG
value
(decimal)
-
207
103
25
12
8
6
3
255
0
KBAUD
-
1.202
2.404
9.766
19.531
31.250
31.250
52.083
0.610
156.250
%
ERROR
-
0.17
0.17
1.73
1.72
8.51
6.99
9.58
-
-
SPBRG
value
(decimal)
-
129
64
15
7
4
4
2
255
0
BAUD
RATE
(K)
0.3
1.2
2.4
9.6
19.2
28.8
33.6
57.6
HIGH
LOW
FOSC = 4 MHz
KBAUD
0.300
1.202
2.404
8.929
20.833
31.250
-
62.500
0.244
62.500
%
ERROR
0
0.17
0.17
6.99
8.51
8.51
-
8.51
-
-
SPBRG
value
(decimal)
207
51
25
6
2
1
-
0
255
0
FOSC = 3.6864 MHz
KBAUD
0.3
1.2
2.4
9.6
19.2
28.8
-
57.6
0.225
57.6
%
ERROR
0
0
0
0
0
0
-
0
-
-
SPBRG
value
(decimal)
191
47
23
5
2
1
-
0
255
0
DS30569C-page 64
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