Datasheet

TL16C451, TL16C452
ASYNCHRONOUS COMMUNICATIONS ELEMENTS
SLLS053C – MAY 1989 – REVISED AUGUST 1999
11
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
PARAMETER MEASUREMENT INFORMATION
(RD RBR/LSR)
IOR
(RDR/LSI)
INTRPT
Clock
Sample
SIN
(internal signal only)
Sample Clock
same as B
AUDOUT)
(internal signal only
RCLK
Start Data Bits 5–8 Parity Stop
8 CLKs
t
d7
t
d8
t
d9
90%
10%
10%
Figure 4. Receiver Timing Waveforms
SOUT
IOR
(RD IIR)
IOW (WR THR)
(THRE)
INTRPT
Start
Start Data Bits 5–8 Parity Stop
t
d10
t
d11
t
d12
t
d13
t
d12
t
d14
50%
50%
50%
10%
10%
10% 10% 10%
10%
90% 90%
Figure 5. Transmitter Timing Waveforms