Datasheet

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  
  

SLLS177H − MARCH 1994 − REVISED JANUARY 2006
18
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
PARAMETER MEASUREMENT INFORMATION
t
d16
Parity Stop
Start
Data Bits
SOUT
Start
t
d15
t
d17
t
d17
t
d18
t
d19
INTRPT
(THRE)
WR
(WR THR)
RD IIR
50% 50% 50% 50% 50%
50%
50%
50%
50%
50%
50%
Figure 13. Transmitter Timing Waveforms
t
d20
WR
(WR THR)
t
d21
Parity
Stop
Data
Start
Byte #1
SOUT
TXRDY
50%
50%
50%
50%
Figure 14. Transmitter Ready (TXRDY) Waveforms, FCR0 = 0 or FCR0 = 1 and FCR3 = 0 (Mode 0)
WR
(WR THR)
Parity
Stop
Data
Start
Byte #16
SOUT
TXRDY
FIFO Full
t
d20
t
d21
50%
50%
50%
50%
Figure 15. Transmitter Ready (TXRDY) Waveforms, FCR0 = 1 and FCR3 = 1 (Mode 1)