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PIC16C745/P 데이터시트(PDF) 78 Page - Microchip Technology

부품명 PIC16C745/P
상세설명  8-Bit CMOS Microcontrollers with USB
PDF  158 Pages
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제조업체  MICROCHIP [Microchip Technology]
홈페이지  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

PIC16C745/P 데이터시트(HTML) 78 Page - Microchip Technology

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PIC16C745/765
DS41124A-page 78
Advanced Information
© 1999 Microchip Technology Inc.
TABLE 11-5:
REGISTERS ASSOCIATED WITH BAUD RATE GENERATOR
TABLE 11-3:
BAUD RATES FOR ASYNCHRONOUS MODE (BRGH = 0)
Desired
Baud
4 MHz
6 MHz
24 MHz
Actual
Baud
% of
Error
SPBRG
Actual
Baud
% of
Error
SPBRG
Actual
Baud
% of
Error
SPBRG
300
300.48
0.16
207


1200
1201.92
0.16
51
1201.92
0.16
77

2400
2403.85
0.16
25
2403.85
0.16
38
2403.85
0.16
155
4800
4807.69
0.16
12
4934.21
2.80
18
4807.69
0.16
77
9600
10416.67
8.51
5
10416.67
8.51
8
9615.38
0.16
38
19200
20833.33
8.51
2
23437.50
22.07
3
19736.84
2.80
18
38400

46875.00
22.07
1
41666.67
8.51
8
57600

62500.00
8.51
5
115200

125000.00
8.51
2
230400


460800


921600


TABLE 11-4:
BAUD RATES FOR ASYNCHRONOUS MODE (BRGH = 1)
Desired
Baud
4 MHz
6 MHz
24 MHz
Actual
Baud
% of
Error
SPBRG
Actual
Baud
% of
Error
SPBRG
Actual
Baud
% of
Error
SPBRG
300


1200
1201.92
0.16
207


2400
2403.85
0.16
103
2403.85
0.16
155

4800
4807.69
0.16
51
4807.69
0.16
77

9600
9615.38
0.16
25
9615.38
0.16
38
9615.38
0.16
155
19200
19230.77
0.16
12
19736.84
2.80
18
19230.77
0.16
77
38400
41666.67
8.51
5
41666.67
8.51
8
38461.54
0.16
38
57600
62500.00
8.51
3
62500.00
8.51
5
57692.31
0.16
25
115200
12500.00
8.51
1
12500.00
8.51
2
115384.62
0.16
12
230400

250000.00
8.51
5
460800

500000.00
8.51
2
921600


Address
Name
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Value on:
POR,
BOR
Value on all
other resets
98h
TXSTA
CSRC
TX9
TXEN
SYNC
—BRGH
TRMT
TX9D
0000 -010
0000 -010
18h
RCSTA
SPEN
RX9
SREN
CREN
—
FERR
OERR RX9D
0000 -00x
0000 -00x
99h
SPBRG
Baud Rate Generator Register
0000 0000
0000 0000
Legend: x = unknown, - = unimplemented read as '0'. Shaded cells are not used by the BRG.



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