TL16PNP550A_08 Datasheet, PDF (13/40 Pages) Texas Instruments – ASYNCHRONOUS COMMUNICATIONS ELEMENT WITH PLUG-AND-PLAY (PnP) AND AUTOFLOW CONTROL

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TL16PNP550A
ASYNCHRONOUS COMMUNICATIONS ELEMENT
WITH PLUGĆANDĆPLAY (PnP) AND AUTOFLOW CONTROL
SLLS190B − MARCH 1995 − REVISED MARCH 1996
PARAMETER MEASUREMENT INFORMATION
tw1
XIN
N
tw2
PNPS1
(1/1)
PNPS1
(1/2)
PNPS1
(1/3)
td1
td2
td1
td2
tw3
tw4
PNPS1
(1/N)
(N > 3)
2 XIN Cycles
(N −2) XIN Cycles
NOTE A: When PNPBYPASS = 0, the PNPS1 terminal is acting as the BAUDOUT. The above timing assumes
that the prescalar value is one.
Figure 5. Baud Generator Timing Waveforms
XIN
A0 −A2
CS
IOW
D7 −D0
50%
Valid Address
td4
50%
td5
Valid
tw6
50%
Active
50%
tsu3
Valid Data
50%
th1
50%
th2
NOTE A: The above timing assumes that AEN = 0.
Figure 6. Write Cycle Timing Waveforms
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