TL16PIR552 Datasheet, PDF (23/52 Pages) Texas Instruments – DUAL UART WITH DUAL IrDA AND 1284 PARALLEL PORT

TL16PIR552
DUAL UART WITH DUAL IrDA AND
1284 PARALLEL PORT
SLLS222A – DECEMBER 1995 – REVISED AUGUST 1996
PRINCIPLES OF OPERATION
A0–A2^{ÎÎÎÎÎÎÎÎÎ}
IOR
D7–0
IOCHRDY
50%
td47
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ
td42
td44
50%
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ
td46
50%
50%
th8
td43
50%
STROBE
PD7–0
AUTOFD
td41
50%
th7
td40
50%
SELECTIN
BUSY^{ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ}
td45
50%
Figure 22. EPP Read Cycle Timing
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