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): 17/39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
17
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
PARAMETER MEASUREMENT INFORMATION
IOR
(RD_LPS)
Line Printer
Status Register,
Bit 2 (PRINT)
td13
td(int
(see Note A)
ACK
ENIRQ
INT2
td14
50%
50%
50%
50%
50%
50%
NOTE A: A timing value is not provided for td(int) in the tables because the line printer status register, bit 2 (PRINT) is an internal signal.
Figure 16. Parallel Port AT Mode Timing (ENIRQ = Low) Waveforms
IOR
(RD_LPS)
PRINT
td15
td16
ACK
ENIRQ
INT2
50%
50%
50%
50%
Figure 17. Parallel Port PS/2 Mode Timing (ENIRQ = High) Waveforms
RESET
tw3
50%
50%
Figure 18. RESET Voltage Waveform
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