TL16C550D_09 Datasheet, PDF (24/54 Pages) Texas Instruments – ASYNCHRONOUS COMMUNICATIONS ELEMENT WITH AUTOFLOW CONTROL

TL16C550D, TL16C550DI
SLLS597E – APRIL 2004 – REVISED DECEMBER 2008 .................................................................................................................................................. www.ti.com
PARAMETER MEASUREMENT INFORMATION (continued)
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Figure 13. Transmitter Timing Waveforms
(see Note A)
A. The TXRDY signal is applicable only to the PT and PFB packages.
Figure 14. Transmitter Ready (TXRDY) Waveforms, FCR0 = 0 or FCR0 = 1 and FCR3 = 0 (Mode 0)
WR1
(WR THR)
Byte 16
50%
SOUT
Data
Parity
Stop
Start
50%
t_d20
t_d21
TXRDY
(see Note A)
50%
FIFO Full
50%
A. The TXRDY signal is applicable only to the PT and PFB packages.
Figure 15. Transmitter Ready (TXRDY) Waveforms, FCR0 = 1 and FCR3 = 1 (Mode 1)
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