TL16C450_09 Datasheet, PDF (22/27 Pages) Texas Instruments – ASYNCHRONOUS COMMUNICATIONS ELEMENT

TL16C450
ASYNCHRONOUS COMMUNICATIONS ELEMENT
SLLS037C − MARCH 1988 − REVISED JANUARY 2006
PRINCIPLES OF OPERATION
Table 7. Baud Rates Using a 1.8432-MHz Crystal
DESIRED
BAUD RATE
50
75
110
134.5
150
300
600
1200
1800
2000
2400
3600
4800
7200
9600
19200
38400
56000
DIVISOR USED
TO GENERATE
16 × CLOCK
2304
1536
1047
857
768
384
192
96
64
58
48
32
24
16
12
6
3
2
PERCENT ERROR
DIFFERENCE BETWEEN
DESIRED AND ACTUAL
0.026
0.058
0.69
2.86
Table 8. Baud Rates Using a 3.072-MHz Crystal
DESIRED
BAUD RATE
50
75
110
134.5
150
300
600
1200
1800
2000
2400
3600
4800
7200
9600
19200
38400
DIVISOR USED
TO GENERATE
16 × CLOCK
3840
2560
1745
1428
1280
640
320
160
107
96
80
53
40
27
20
10
5
PERCENT ERROR
DIFFERENCE BETWEEN
DESIRED AND ACTUAL
0.026
0.034
0.312
0.628
1.23
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