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PIC16F628-20P Datasheet, PDF (73/170 Pages) Microchip Technology – FLASH-Based 8-Bit CMOS Microcontroller | |||
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PIC16F62X
TABLE 12-4: BAUD RATES FOR ASYNCHRONOUS MODE (BRGH = 0)
BAUD FOSC = 20 MHz
RATE (K) KBAUD ERROR
SPBRG 16 MHz
value
(decimal) KBAUD
ERROR
SPBRG 10 MHz
value
(decimal) KBAUD
0.3
1.2
2.4
9.6
19.2
76.8
96
300
500
HIGH
LOW
NA
â
â
1.221
+1.73%
255
2.404
+0.16%
129
9.469
-1.36%
32
19.53
+1.73%
15
78.13
+1.73%
3
104.2
+8.51%
2
312.5
+4.17%
0
NA
â
â
312.5
â
0
1.221
â
255
NA
â
â
1.202
+0.16%
207
2.404
+0.16%
103
9.615
+0.16%
25
19.23
+0.16%
12
83.33
+8.51%
2
NA
â
â
NA
â
â
NA
â
â
250
â
0
0.977
â
255
NA
1.202
2.404
9.766
19.53
78.13
NA
NA
NA
156.3
0.6104
ERROR
â
+0.16%
+0.16%
+1.73%
+1.73V
+1.73%
â
â
â
â
â
SPBRG
value
(decimal)
â
129
64
15
7
1
â
â
â
0
255
BAUD FOSC = 7.15909 MHz
RATE (K) KBAUD ERROR
0.3
1.2
2.4
9.6
19.2
76.8
96
300
500
HIGH
LOW
NA
1.203
2.380
9.322
18.64
NA
NA
NA
NA
111.9
0.437
â
+0.23%
-0.83%
-2.90%
-2.90%
â
â
â
â
â
â
SPBRG 5.0688 MHz
value
(decimal) KBAUD
â
0.31
92
1.2
46
2.4
11
9.9
5
19.8
â
79.2
â
NA
â
NA
â
NA
0
79.2
255
0.3094
ERROR
+3.13%
0
0
+3.13%
+3.13%
+3.13%
â
â
â
â
â
SPBRG 4 MHz
value
(decimal) KBAUD
255
0.3005
65
1.202
32
2.404
7
NA
3
NA
0
NA
â
NA
â
NA
â
NA
0
62.500
255
3.906
ERROR
-0.17%
+1.67%
+1.67%
â
â
â
â
â
â
â
â
SPBRG
value
(decimal)
207
51
25
â
â
â
â
â
â
0
255
BAUD
RATE
(K)
0.3
1.2
2.4
9.6
19.2
76.8
96
300
500
HIGH
LOW
FOSC = 3.579545 MHz
KBAUD ERROR
0.301
1.190
2.432
9.322
18.64
NA
NA
NA
NA
55.93
0.2185
+0.23%
-0.83%
+1.32%
-2.90%
-2.90%
â
â
â
â
â
â
SPBRG 1 MHz
value
(decimal) KBAUD
185
0.300
46
1.202
22
2.232
5
NA
2
NA
â
NA
â
NA
â
NA
â
NA
0
15.63
255
0.0610
ERROR
+0.16%
+0.16%
-6.99%
â
â
â
â
â
â
â
â
SPBRG 32.768 MHz
value
(decimal) KBAUD
51
0.256
12
NA
6
NA
â
NA
â
NA
â
NA
â
NA
â
NA
â
NA
0
0.512
255
0.0020
ERROR
-14.67%
â
â
â
â
â
â
â
â
â
â
SPBRG
value
(decimal)
1
â
â
â
â
â
â
â
â
0
255
 2003 Microchip Technology Inc.
Preliminary
DS40300C-page 71
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