TL16C554 Datasheet, PDF (11/33 Pages) Texas Instruments – ASYNCHRONOUS COMMUNICATIONS ELEMENT

TL16C554, TL16C554I
ASYNCHRONOUS COMMUNICATIONS ELEMENT
SLLS165D – JANUARY 1994 – REVISED JULY 1998
PARAMETER MEASUREMENT INFORMATION
Start
Start
50%
Data (5 – 8)
50%
TXx
Stop (1 – 2)
Parity
td5
td6
INTx
tpd1
50%
td7
IOW
(WR THR)
50%
50%
IOR
(RD IIR)
50%
50%
tpd1
50%
50%
50%
tpd2
50%
Figure 6. Transmitter Timing Waveforms
IOW
(WR THR)
Byte #1
50%
TXx
TXRDY
Data
tpd3
Parity
Stop
td8
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%
tpd3
50%
FIFO Full
td8
50%
Figure 8. Transmitter Ready Mode 1 Timing Waveforms
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