參數(shù)資料
型號(hào): TL16C550BI
廠商: Texas Instruments, Inc.
英文描述: ASYNCHRONOUS COMMUNICATIONS ELEMENT
中文描述: 異步通信元
文件頁數(shù): 30/35頁
文件大?。?/td> 499K
代理商: TL16C550BI
TL16C550B, TL16C550BI
ASYNCHRONOUS COMMUNICATIONS ELEMENT
SLLS136B – JANUARY 1994 – REVISED AUGUST 1996
30
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
PRINCIPLES OF OPERATION
programmable baud generator (continued)
Table 9. Baud Rates Using a 3.072-MHz Crystal
DESIRED
BAUD RATE
DIVISOR USED
TO GENERATE
16
×
CLOCK
3840
PERCENT ERROR
DIFFERENCE BETWEEN
DESIRED AND ACTUAL
50
75
2560
110
1745
0.026
134.5
1428
0.034
150
1280
300
640
600
320
1200
160
1800
107
0.312
2000
96
2400
80
3600
53
0.628
4800
40
7200
27
1.23
9600
20
19200
10
38400
5
Driver
Optional
Driver
External
Clock
Optional
Clock
Output
Oscillator Clock
to Baud Generator
Logic
XIN
XOUT
VCC
Crystal
XIN
RX2
VCC
XOUT
C1
RP
C2
Oscillator Clock
to Baud Generator
Logic
TYPICAL CRYSTAL OSCILLATOR NETWORK
CRYSTAL
RP
1 M
1 M
RX2
1.5 k
1.5 k
C1
C2
3.1 MHz
10-30 pF
40-60 pF
1.8 MHz
10-30 pF
40-60 pF
Figure 16. Typical Clock Circuits
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TL16C550BN 制造商:Rochester Electronics LLC 功能描述:- Bulk
TL16C550BPT 制造商:Rochester Electronics LLC 功能描述:- Tape and Reel