TL16C552A Datasheet, PDF (16/39 Pages) Texas Instruments – DUAL ASYNCHRONOUS COMMUNICATIONS ELEMENT WITH FIFO

TL16C552A, TL16C552AM
DUAL ASYNCHRONOUS COMMUNICATIONS ELEMENT
WITH FIFO
SLLS189D – NOVEMBER 1994 – REVISED JANUARY 1999
PARAMETER MEASUREMENT INFORMATION
IOW
(WR MCR)
RTS, DTR
50%
tpd9
50%
50%
50%
tpd9
CTS, DSR, DCD
INT0, INT1,
1 INT, 2 INT
IOR
(RD MSR)
50%
tpd10
50%
tpd11
50%
tpd10
50% 50%
50%
tpd12
50%
RI
50%
Figure 14. Modem Control Timing Waveforms
DATA _50%
tsu7
Valid
50%
th6
STB
ACK
BUSY
50%
50%
tw6
50%
50%
td10
tw8
5^ÉÉ0% ^{ÉÉÉÉÉÉÉÉ}50%
td11
50%
td12
tw7
Figure 15. Parallel Port Timing Waveforms
16
• POST OFFICE BOX 655303 DALLAS, TEXAS 75265