
PIC16F62X
DS40300C-page 70
Preliminary
2003 Microchip Technology Inc.
TABLE 12-3:
BAUD RATES FOR SYNCHRONOUS MODE
BAUD
RATE (K)
F
OSC = 20 MHz
SPBRG
value
(decimal)
16 MHz
SPBRG
value
(decimal)
10 MHz
SPBRG
value
(decimal)
KBAUD
ERROR
KBAUD
ERROR
KBAUD
ERROR
0.3
NA—
—NA—
—
1.2
NA—
—NA—
—
2.4
NA—
—NA—
—
9.6
NA
—
NA
—
9.766
+1.73%
255
19.2
19.53
+1.73%
255
19.23
+0.16%
207
19.23
+0.16%
129
76.8
76.92
+0.16%
64
76.92
+0.16%
51
75.76
-1.36%
32
96
96.15
+0.16%
51
95.24
-0.79%
41
96.15
+0.16%
25
300
294.1
-1.96
16
307.69
+2.56%
12
312.5
+4.17%
7
500
0
9
500
0
7
500
0
4
HIGH
5000
—
0
4000
—
0
2500
—
0
LOW
19.53
—
255
15.625
—
255
9.766
—
255
BAUD
RATE (K)
F
OSC = 7.15909 MHz
SPBRG
value
(decimal)
5.0688 MHz
SPBRG
value
(decimal)
4 MHz
SPBRG
value
(decimal)
KBAUD
ERROR
KBAUD
ERROR
KBAUD
ERROR
0.3
NA—
—NA—
—
1.2
NA—
—NA—
—
2.4
NA—
—NA—
—
9.6
9.622
+0.23%
185
9.6
0
131
9.615
+0.16%
103
19.2
19.24
+0.23%
92
19.2
0
65
19.231
+0.16%
51
76.8
77.82
+1.32
22
79.2
+3.13%
15
75.923
+0.16%
12
96
94.20
-1.88
18
97.48
+1.54%
12
1000
+4.17%
9
300
298.3
-0.57
5
316.8
5.60%
3
NA
—
500
NA
—
NA
—
—NA—
—
HIGH
1789.8
—
0
1267
—
0
100
—
0
LOW
6.991
—
255
4.950
—
255
3.906
—
255
BAUD
RATE
(K)
F
OSC = 3.579545 MHz
SPBRG
value
(decimal)
1 MHz
SPBRG
value
(decimal)
32.768 MHz
SPBRG
value
(decimal)
KBAUD
ERROR
KBAUD
ERROR
KBAUD
ERROR
0.3
NA
—
NA
—
0.303
+1.14%
26
1.2
NA
—
1.202
+0.16%
207
1.170
-2.48%
6
2.4
NA
—
2.404
+0.16%
103
NA
——
9.6
9.622
+0.23%
92
9.615
+0.16%
25
NA
—
19.2
19.04
-0.83%
46
19.24
+0.16%
12
NA
—
76.8
74.57
-2.90%
11
83.34
+8.51%
2
NA
—
96
99.43
+3.57%
8
NA
——
NA
—
300
298.3
0.57%
2
NA
—
NA
—
500
NA
—
—NA—
—
HIGH
894.9
—
0
250
—
0
8.192
—
0
LOW
3.496
—
255
0.9766
—
255
0.032
—
255