TL16C554APNR datasheet(30/46 Pages) TI1

30 / 46 page

TL16C554A, TL16C554AI

ASYNCHRONOUS-COMMUNICATIONS ELEMENT

SLLS509E − AUGUST 2001 − REVISED JUNE 2010

POST OFFICE BOX 655303

• DALLAS, TEXAS 75265

PRINCIPLES OF OPERATION

programmable baud-rate generator (continued)

Table 9. Baud Rates Using a 1.8432-MHz Crystal

BAUD RATE

DESIRED

DIVISOR (N) USED TO

GENERATE 16

× CLOCK

PERCENT ERROR DIFFERENCE

BETWEEN DESIRED AND ACTUAL

2304

—

1536

—

110

1047

0.026

134.5

857

0.058

150

768

—

300

384

—

600

192

—

1200

—

1800

—

2000

0.690

2400

—

3600

—

4800

—

7200

—

9600

—

19200

—

38400

—

56000

2.860

Table 10. Baud Rates Using a 3.072-MHz Crystal

BAUD RATE

DESIRED

DIVISOR (N) USED TO

GENERATE 16

× CLOCK

PERCENT ERROR DIFFERENCE

BETWEEN DESIRED AND ACTUAL

3840

—

2560

—

110

1745

0.026

134.5

1428

0.034

150

1280

—

300

640

—

600

320

—

1200

160

—

1800

107

0.312

2000

—

2400

—

3600

0.628

4800

—

7200

1.230

9600

—

19200

—

38400

—

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