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PIC16F870/P Fiches technique(PDF) 66 Page - Microchip Technology

No de pièce PIC16F870/P
Description  28/40-Pin 8-Bit CMOS FLASH Microcontrollers
PDF  156 Pages
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Fabricant  MICROCHIP [Microchip Technology]
Site Internet  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

PIC16F870/P Fiches technique(HTML) 66 Page - Microchip Technology

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PIC16F870/871
DS30569A-page 66
Preliminary
© 1999 Microchip Technology Inc.
-
TABLE 9-3:
BAUD RATES FOR ASYNCHRONOUS MODE (BRGH = 0)
BAUD
RATE
(K)
FOSC = 20 MHz
FOSC = 16 MHz
FOSC = 10 MHz
KBAUD
%
ERROR
SPBRG
value
(decimal)
KBAUD
%
ERROR
SPBRG
value
(decimal)
KBAUD
%
ERROR
SPBRG
value
(decimal)
0.3
-
--
-
-
-
-
--
1.2
1.221
1.75
255
1.202
0.17
207
1.202
0.17
129
2.4
2.404
0.17
129
2.404
0.17
103
2.404
0.17
64
9.6
9.766
1.73
31
9.615
0.16
25
9.766
1.73
15
19.2
19.531
1.72
15
19.231
0.16
12
19.531
1.72
7
28.8
31.250
8.51
9
27.778
3.55
8
31.250
8.51
4
33.6
34.722
3.34
8
35.714
6.29
6
31.250
6.99
4
57.6
62.500
8.51
4
62.500
8.51
3
52.083
9.58
2
HIGH
1.221
-
255
0.977
-
255
0.610
-
255
LOW
312.500
-
0
250.000
-
0
156.250
-
0
BAUD
RATE
(K)
FOSC = 4 MHz
FOSC = 3.6864 MHz
KBAUD
%
ERROR
SPBRG
value
(decimal)
KBAUD
%
ERROR
SPBRG
value
(decimal)
0.3
0.300
0
207
0.301
0.33
185
1.2
1.202
0.17
51
1.216
1.33
46
2.4
2.404
0.17
25
2.432
1.33
22
9.6
8.929
6.99
6
9.322
2.90
5
19.2
20.833
8.51
2
18.643
2.90
2
28.8
31.250
8.51
1
-
-
-
33.6
-
-
-
-
-
-
57.6
62.500
8.51
0
55.930
2.90
0
HIGH
0.244
-
255
0.218
-
255
LOW
62.500
-
0
55.930
-
0
TABLE 9-4:
BAUD RATES FOR ASYNCHRONOUS MODE (BRGH = 1)
BAUD
RATE
(K)
FOSC = 20 MHz
FOSC = 16 MHz
FOSC = 10 MHz
KBAUD
%
ERROR
SPBRG
value
(decimal)
KBAUD
%
ERROR
SPBRG
value
(decimal)
KBAUD
%
ERROR
SPBRG
value
(decimal)
0.3
-
--
-
-
-
-
--
1.2
-
--
-
-
-
-
--
2.4
-
-
-
-
-
-
2.441
1.71
255
9.6
9.615
0.16
129
9.615
0.16
103
9.615
0.16
64
19.2
19.231
0.16
64
19.231
0.16
51
19.531
1.72
31
28.8
29.070
0.94
42
29.412
2.13
33
28.409
1.36
21
33.6
33.784
0.55
36
33.333
0.79
29
32.895
2.10
18
57.6
59.524
3.34
20
58.824
2.13
16
56.818
1.36
10
HIGH
4.883
-
255
3.906
-
255
2.441
-
255
LOW
1250.000
-
0
1000.000
0
625.000
-
0
BAUD
RATE
(K)
FOSC = 4 MHz
FOSC = 3.6864 MHz
KBAUD
%
ERROR
SPBRG
value
(decimal)
KBAUD
%
ERROR
SPBRG
value
(decimal)
0.3
-
-
-
-
-
-
1.2
1.202
0.17
207
1.203
0.25
185
2.4
2.404
0.17
103
2.406
0.25
92
9.6
9.615
0.16
25
9.727
1.32
22
19.2
19.231
0.16
12
18.643
2.90
11
28.8
27.798
3.55
8
27.965
2.90
7
33.6
35.714
6.29
6
31.960
4.88
6
57.6
62.500
8.51
3
55.930
2.90
3
HIGH
0.977
-
255
0.874
-
255
LOW
250.000
-
0
273.722
-
0



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