TL16C554A_13 Datasheet, PDF (18/46 Pages) Texas Instruments – ASYNCHRONOUS-COMMUNICATIONS ELEMENT

TL16C554A, TL16C554AI
ASYNCHRONOUS-COMMUNICATIONS ELEMENT
SLLS509E − AUGUST 2001 − REVISED JUNE 2010
CTS
50%
t_su6
50%
t_pd10
TXx
50%
Midpoint of Stop Bit
Figure 15. CTS and TX Autoflow Control Timing (Start and Stop) Waveforms
Midpoint of Stop Bit
RXx
RTSx
t_PD11
50%
t_PD12
50%
IOR
RD RBR
50%
Figure 16. Auto-RTS Timing for RCV Threshold of 1, 4, or 8 Waveforms
RXx
RTSx
15th Character
Midpoint of Data Bit 0
16th Character
t_pd13
50%
t_pd14
50%
IOR
RD RBR
50%
Figure 17. Auto-RTS Timing for RCV Threshold of 14 Waveforms
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