參數(shù)資料
型號(hào): TL16C552AHV
廠商: Texas Instruments, Inc.
英文描述: DUAL ASYNCHRONOUS COMMUNICATIONS ELEMENT WITH FIFO
中文描述: 雙異步通信元帶有FIFO
文件頁(yè)數(shù): 12/39頁(yè)
文件大?。?/td> 545K
代理商: TL16C552AHV
TL16C552A, TL16C552AM
DUAL ASYNCHRONOUS COMMUNICATIONS ELEMENT
WITH FIFO
SLLS189D – NOVEMBER 1994 – REVISED JANUARY 1999
12
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
PARAMETER MEASUREMENT INFORMATION
Valid
Valid
th3
tsu4
tsu5
th4
td3
td4
tw5
A2, A1, A0
CS0, CS1, CS2
IOW
IOR
Active
Active
th5
tsu6
Valid Data
Active
DB0–DB7
50%
50%
50%
50%
50%
50%
50%
50%
or
Figure 5. Write Cycle Timing Waveforms
Start
Data Bits 5–8
Parity
Stop (1–2)
Start
50%
Serial Out
(SOUT)
Interrupt
(THRE)
IOW
(WR THR)
IOR
(RD IIR)
td5
td6
tpd2
tpd4
tpd2
td7
50%
50%
50%
50%
50%
50%
50%
50%
50%
50%
Figure 6. Transmitter Timing Waveforms
IOW
(WR THR)
td8
tpd5
SOUT
TXRDY
Byte #1
Parity
Data
Stop
Start
50%
50%
50%
50%
Figure 7. Transmitter Ready Mode 0 Timing Waveforms
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