TL16PC564BLVI_16 Datasheet, PDF (23/35 Pages) Texas Instruments – PCMCIA UNIVERSAL ASYNCHRONOUS RECEIVER TRANSMITTER

Not Recommended For New Designs
TL16PC564BLVI
PCMCIA UNIVERSAL ASYNCHRONOUS RECEIVER TRANSMITTER
PARAMETER MEASUREMENT INFORMATION
SLLS627− SEPTEMBER 2004
HA(9 −0)
50%
50%
REG
CE1, CE2
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ₁₁ÎÎÎÎÎÎ_00t%%suÎÎÎÎÎÎ₇ ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ_tÎÎÎÎÎÎ_h11600%%ÎÎÎÎÎÎÎÎÎÎÎÎ^th5ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ
tsu6
th7
tw6
IOWR
50%
50%
tsu5
th8
tsu4
HD(7 −0)
NOTE A: All timings are measured at the card. Skews and delays from the system driver/receiver to the card must be accounted for by the system
design.
Figure 3. Host CPU I/O Write Timing Waveforms
SOUT
IREQ
IOWR
(write transmitter
holding register)
IORD
(read interrupt-
identification
register)
50%
td9
td11
Start
50%
Data Bits (5 −8)
50%
td12
50%
50%
Parity
Figure 4. Transmitter Timing Waveforms
Stop
Start
50%
td10
50%
td13
50%
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