TL16C451 Datasheet, PDF (12/23 Pages) Texas Instruments – ASYNCHRONOUS COMMUNICATIONS ELEMENTS

TL16C451, TL16C452
ASYNCHRONOUS COMMUNICATIONS ELEMENTS
SLLS053C – MAY 1989 – REVISED AUGUST 1999
PARAMETER MEASUREMENT INFORMATION
IOW (WR MCR)
RTS, DTR
90%
td15
90%
90%
td15
90%
CTS, DSR, RLSD
INTRPT
(MODEM)
IOR (RD MSR)
10%
td16
90%
td17
50%
10%
RI
50%
Figure 6. Modem Control Timing Waveforms
50%
td16
IOW
SLIN, AFD,
STB, INIT
PD0 – PD7
LPTOE
ACK
INT2
50%
td18
50%
td20
10%
90%
10%
50%
td19
90%
10%
td21
10%
90%
90%
td21
10%
Figure 7. Parallel Port Timing Waveforms
12
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