TL16C754 Datasheet, PDF (21/39 Pages) Texas Instruments – QUAD UART WITH 64-BYTE FIFO

IOW
RTS (A–D)
DTR (A–D)
CD (A–D)
CTS (A–D)
DSR (A–D)
INT (A–D)
IOR
RI (A–D)
RX (A–D)
INT (A–D)
IOR
TL16C754
QUAD UART WITH 64-BYTE FIFO
SLLS279A – OCTOBER 1998 – REVISED OCTOBER 1999
Active
Change of State
T17d
Change of State
T18d
Change of State
T18d
Active
Active
T19d
Active
Active
T18d
Active
Active
Change of State
Figure 15. Modem Input/Output Timing
Start
Bit
Data Bits (5–8)
Stop
Bit
D0 D1 D2 D3 D4 D5 D6 D7
5 Data Bits
6 Data Bits
7 Data Bits
Parity
Bit
Next
Data
Start
Bit
T20d
Active
T21d
Active
16 Baud Rate Clock
Figure 16. Receive Timing
• POST OFFICE BOX 655303 DALLAS, TEXAS 75265
21