PIC18F2331_07 Datasheet, PDF (232/400 Pages) Microchip Technology – 28/40/44-Pin Enhanced Flash Microcontrollers with nanoWatt Technology, High Performance PWM and A/D

PIC18F2331/2431/4331/4431
TABLE 19-3: BAUD RATES FOR ASYNCHRONOUS MODES (CONTINUED)
BAUD
RATE
(K)
SYNC = 0, BRGH = 1, BRG16 = 1 or SYNC = 1, BRG16 = 1
FOSC = 40.000 MHz
FOSC = 20.000 MHz
FOSC = 10.000 MHz
FOSC = 8.000 MHz
Actual
Rate
(K)
%
Error
SPBRG Actual
value Rate
(decimal) (K)
%
Error
SPBRG Actual
value Rate
(decimal) (K)
%
Error
SPBRG Actual
value Rate
(decimal) (K)
%
Error
SPBRG
value
(decimal)
0.3
0.300 0.00 33332 0.300 0.00 16665 0.300 0.00
8332 0.300 -0.01 6665
1.2
1.200 0.00
8332 1.200 0.02
4165 1.200 0.02
2082 1.200 -0.04 1665
2.4
2.400 0.02
4165 2.400 0.02
2082 2.402 0.06
1040 2.400 -0.04
832
9.6
9.606 0.06 1040 9.596 -0.03
520 9.615 0.16
259 9.615 -0.16
207
19.2 19.193 -0.03
520 19.231 0.16
259 19.231 0.16
129 19.230 -0.16
103
57.6 57.803 0.35
172 57.471 -0.22
86 58.140 0.94
42 57.142 0.79
34
115.2 114.943 -0.22
86 116.279 0.94
42 113.636 -1.36
21 117.647 -2.12
16
BAUD
RATE
(K)
0.3
1.2
2.4
9.6
19.2
57.6
115.2
SYNC = 0, BRGH = 1, BRG16 = 1 or SYNC = 1, BRG16 = 1
FOSC = 4.000 MHz
FOSC = 2.000 MHz
FOSC = 1.000 MHz
Actual
Rate
(K)
%
Error
SPBRG Actual
value Rate
(decimal) (K)
%
Error
SPBRG Actual
value Rate
(decimal) (K)
%
Error
SPBRG
value
(decimal)
0.300 0.01
3332 0.300 -0.04 1665 0.300 -0.04
832
1.200 0.04
832 1.201 -0.16
415 1.201 -0.16
207
2.404 0.16
415 2.403 -0.16
207 2.403 -0.16
103
9.615 0.16
103 9.615 -0.16
51
9.615 -0.16
25
19.231 0.16
51 19.230 -0.16
25 19.230 -0.16
12
58.824 2.12
16 55.555 3.55
8
—
—
—
111.111 -3.55
8
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—
—
—
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DS39616C-page 230
Preliminary
© 2007 Microchip Technology Inc.