TL16PNP550A Datasheet, PDF (13/40 Pages) Texas Instruments – ASYNCHRONOUS COMMUNICATIONS ELEMENT WITH PLUG-AND-PLAY (PnP) AND AUTOFLOW CONTROL

TL16PNP550A
ASYNCHRONOUS COMMUNICATIONS ELEMENT
WITH PLUG-AND-PLAY (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
• POST OFFICE BOX 655303 DALLAS, TEXAS 75265
13