TL16C554A_13 Datasheet, PDF (14/46 Pages) Texas Instruments – ASYNCHRONOUS-COMMUNICATIONS ELEMENT

TL16C554A, TL16C554AI
ASYNCHRONOUS-COMMUNICATIONS ELEMENT
SLLS509E − AUGUST 2001 − REVISED JUNE 2010
PARAMETER MEASUREMENT INFORMATION
Start
Start
50%
Data (5 −8)
50%
TXx
Stop (1 −2)
Parity
t_d5
t_d6
INTx
t_pd1
50%
t_d7
IOW
(WR THR)
50%
50%
50%
t_pd1
50%
50%
50%
IOR
(RD IIR)
Figure 6. Transmitter Timing Waveforms
50%
t_pd2
50%
IOW
(WR THR)
Byte #1
50%
TXx
TXRDY
Data
t_pd3
Parity
Stop
t_d8
50% Start
FIFO Empty
50%
50%
Figure 7. Transmitter Ready Mode 0 Timing Waveforms
IOW
(WR THR)
TXx
TXRDY
Byte #16
50%
Data
Parity
Stop
Start
Start
50%
t_pd3
50%
FIFO Full
t_d8
50%
Figure 8. Transmitter Ready Mode 1 Timing Waveforms
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