TL16PIR552 Datasheet, PDF (24/52 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
PD[7–0] ^{ÎÎÎÎÎÎÎÎÎÎÎÎ}
tsu3
tw5
th9
STROBE
BUSY
50%
td48
50%
50%
td49
50%
50%
Figure 23. Parallel Port FIFO Timing
PD7–0
ACK
AUTOFD
tsu4
50%
td51
td53
50%
50%
50%
50%
td54
td50
td52
50%
Figure 24. ECP Parallel Port Reverse Timing
AUTOFD
PD[7–0]
STROBE
BUSY
50%
tsu5
td55
td58
td59
50%
50%
td57
50%
td60
td56
th10
50%
td58
50%
Figure 25. ECP Parallel Port Forward Timing
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