TL16C552A, TL16C552AM
DUAL ASYNCHRONOUS COMMUNICATIONS ELEMENT
WITH FIFO
SLLS189D – NOVEMBER 1994 – REVISED JANUARY 1999
PRINCIPLES OF OPERATION
programmable baud rate generator (continued)
Table 14. Baud Rates Using a 1.8432-MHz Crystal
BAUD RATE
DESIRED
DIVISOR (N) USED TO
GENERATE 16x CLOCK
PERCENT ERROR DIFFERENCE
BETWEEN DESIRED AND ACTUAL
50
75
110
134.5
150
300
2304
1536
1047
857
768
384
192
96
64
58
48
32
24
16
12
6
3
2
–
–
0.026
0.058
–
–
–
–
–
0.690
–
–
–
–
–
–
600
1200
1800
2000
2400
3600
4800
7200
9600
19200
38400
56000
–
2.860
Table 15. Baud Rates Using a 3.072-MHz Crystal
BAUD RATE
DESIRED
DIVISOR (N) USED TO
GENERATE 16x CLOCK
PERCENT ERROR DIFFERENCE
BETWEEN DESIRED AND ACTUAL
50
75
110
134.5
150
300
3840
2560
1745
1428
1280
640
320
160
107
96
80
53
40
27
20
10
5
–
–
0.026
0.034
–
–
–
–
0.312
–
–
0.628
–
1.230
600
1200
1800
2000
2400
3600
4800
7200
9600
19200
38400
–
–
–
33
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