PIC17C7XX_13 Datasheet, PDF (122/306 Pages) Microchip Technology – High-Performance 8-bit CMOS EPROM Microcontrollers with 10-bit A/D

PIC17C7XX
TABLE 14-5: BAUD RATES FOR ASYNCHRONOUS MODE
FOSC = 33 MHz
BAUD
FOSC = 25 MHz
SPBRG
FOSC = 20 MHz
SPBRG
FOSC = 16 MHz
SPBRG
SPBRG
RATE
VALUE
VALUE
VALUE
VALUE
(K) KBAUD %ERROR (DECIMAL) KBAUD %ERROR (DECIMAL) KBAUD %ERROR (DECIMAL) KBAUD %ERROR (DECIMAL)
0.3
NA
—
—
NA
—
—
NA
—
—
NA
—
—
1.2
NA
—
—
NA
—
—
1.221
+1.73
255
1.202
+0.16
207
2.4 2.398
-0.07
214
2.396
0.14
162
2.404
+0.16
129
2.404
+0.16
103
9.6 9.548
-0.54
53
9.53
-0.76
40
9.469
-1.36
32
9.615
+0.16
25
19.2 19.09
-0.54
26
19.53
+1.73
19
19.53
+1.73
15
19.23
+0.16
12
76.8 73.66
-4.09
6
78.13
+1.73
4
78.13
+1.73
3
83.33
+8.51
2
96 103.12 +7.42
4
97.65
+1.73
3
104.2
+8.51
2
NA
—
—
300 257.81 -14.06
1
390.63 +30.21
0
312.5
+4.17
0
NA
—
—
500 515.62 +3.13
0
NA
—
—
NA
—
—
NA
—
—
HIGH 515.62
—
0
—
—
0
312.5
—
0
250
—
0
LOW 2.014
—
255
1.53
—
255
1.221
—
255
0.977
—
255
BAUD
RATE
(K)
FOSC = 10 MHz
KBAUD
%ERROR
FOSC = 7.159 MHz
SPBRG
VALUE
(DECIMAL) KBAUD
%ERROR
FOSC = 5.068 MHz
SPBRG
VALUE
(DECIMAL) KBAUD
%ERROR
SPBRG
VALUE
(DECIMAL)
0.3
NA
—
—
NA
—
—
0.31
+3.13
255
1.2
1.202
+0.16
129
1.203
_0.23
92
1.2
0
65
2.4
2.404
+0.16
64
2.380
-0.83
46
2.4
0
32
9.6
9.766
+1.73
15
9.322
-2.90
11
9.9
-3.13
7
19.2
19.53
+1.73
7
18.64
-2.90
5
19.8
+3.13
3
76.8
78.13
+1.73
1
NA
—
—
79.2
+3.13
0
96
NA
—
—
NA
—
—
NA
—
—
300
NA
—
—
NA
—
—
NA
—
—
500
NA
—
—
NA
—
—
NA
—
—
HIGH
156.3
—
0
111.9
—
0
79.2
—
0
LOW
0.610
—
255
0.437
—
255
0.309
—
255
BAUD
RATE
(K)
0.3
1.2
2.4
9.6
19.2
76.8
96
300
500
HIGH
LOW
FOSC = 3.579 MHz
KBAUD
0.301
1.190
2.432
9.322
18.64
NA
NA
NA
NA
55.93
0.218
%ERROR
+0.23
-0.83
+1.32
-2.90
-2.90
—
—
—
—
—
—
FOSC = 1 MHz
SPBRG
VALUE
(DECIMAL) KBAUD
%ERROR
185
0.300
+0.16
46
1.202
+0.16
22
2.232
-6.99
5
NA
—
2
NA
—
—
NA
—
—
NA
—
—
NA
—
—
NA
—
0
15.63
—
255
0.061
—
FOSC = 32.768 kHz
SPBRG
VALUE
(DECIMAL) KBAUD
%ERROR
51
0.256
-14.67
12
NA
—
6
NA
—
—
NA
—
—
NA
—
—
NA
—
—
NA
—
—
NA
—
—
NA
—
0
0.512
—
255
0.002
—
SPBRG
VALUE
(DECIMAL)
1
—
—
—
—
—
—
—
—
0
255
DS30289C-page 122
 1998-2013 Microchip Technology Inc.