PIC17C7XX_13 Datasheet, PDF (121/306 Pages) Microchip Technology – High-Performance 8-bit CMOS EPROM Microcontrollers with 10-bit A/D

PIC17C7XX
TABLE 14-4: BAUD RATES FOR SYNCHRONOUS 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
1.2
2.4
9.6
19.2
76.8
96
300
500
HIGH
LOW
NA
NA
NA
NA
NA
77.10
95.93
294.64
485.29
8250
32.22
—
—
—
—
—
+0.39
-0.07
-1.79
-2.94
—
—
—
NA
—
—
NA
—
—
NA
—
—
NA
—
—
NA
—
106
77.16
+0.47
85
96.15
+0.16
27
297.62 -0.79
16
480.77 -3.85
0
6250
—
255
24.41
—
—
NA
—
—
NA
—
—
NA
—
—
NA
—
—
19.53
+1.73
80
76.92
+0.16
64
96.15
+0.16
20
294.1
-1.96
12
500
0
0
5000
—
255
19.53
—
—
NA
—
—
—
NA
—
—
—
NA
—
—
—
NA
—
—
255
19.23
+0.16
207
64
76.92
+0.16
51
51
95.24
-0.79
41
16
307.69 +2.56
12
9
500
0
7
0
4000
—
0
255
15.625
—
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
—
—
NA
—
—
1.2
NA
—
—
NA
—
—
NA
—
—
2.4
NA
—
—
NA
—
—
NA
—
—
9.6
9.766
+1.73
255
9.622
+0.23
185
9.6
0
131
19.2
19.23
+0.16
129
19.24
+0.23
92
19.2
0
65
76.8
75.76
-1.36
32
77.82
+1.32
22
79.2
+3.13
15
96
96.15
+0.16
25
94.20
-1.88
18
97.48
+1.54
12
300
312.5
+4.17
7
298.3
-0.57
5
316.8
+5.60
3
500
500
0
4
NA
—
—
NA
—
—
HIGH
2500
—
0
1789.8
—
0
1267
—
0
LOW
9.766
—
255
6.991
—
255
4.950
—
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
NA
NA
NA
9.622
19.04
74.57
99.43
298.3
NA
894.9
3.496
%ERROR
—
—
—
+0.23
-0.83
-2.90
_3.57
-0.57
—
—
—
FOSC = 1 MHz
SPBRG
VALUE
(DECIMAL) KBAUD
%ERROR
—
NA
—
—
1.202
+0.16
—
2.404
+0.16
92
9.615
+0.16
46
19.24
+0.16
11
83.34
+8.51
8
NA
—
2
NA
—
—
NA
—
0
250
—
255
0.976
—
FOSC = 32.768 kHz
SPBRG
VALUE
(DECIMAL) KBAUD
%ERROR
—
0.303
+1.14
207
1.170
-2.48
103
NA
—
25
NA
—
12
NA
—
2
NA
—
—
NA
—
—
NA
—
—
NA
—
0
8.192
—
255
0.032
—
SPBRG
VALUE
(DECIMAL)
26
6
—
—
—
—
—
—
—
0
255
 1998-2013 Microchip Technology Inc.
DS30289C-page 121