TL16C754 Datasheet, PDF (20/39 Pages) Texas Instruments – QUAD UART WITH 64-BYTE FIFO

TL16C754
QUAD UART WITH 64-BYTE FIFO
SLLS279A – OCTOBER 1998 – REVISED OCTOBER 1999
ÎÎÎÎÎÎ A0–A2
Valid
ÎÎÎÎÎÎÎÎ
ÎÎÎÎÎÎÎÎÎÎ ÎÎÎÎÎÎÎÎÎÎ CS(A–D)
T6s
T6h
Active
IOW^{ÎÎÎÎÎÎÎÎÎT13ÎÎÎd ÎÎÎÎÎÎ AcTt1iv3ewT13hÎÎÎÎÎÎÎÎÎÎÎÎT15ÎÎÎd ÎÎÎÎÎÎÎÎÎ}
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ
D0–D7^{ÎÎÎÎÎÎÎÎÎÎÎÎÎÎT1ÎÎ6s ÎÎ Data ÎÎÎÎT1ÎÎ6h ÎÎÎÎÎÎÎÎÎÎÎÎÎÎ ÎÎÎÎÎÎÎÎ}
Figure 12. General Write Timing
ÎÎÎ _A0–A2
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ _{CS (A–D)}
Valid
T6s
T6h
Active
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ
IOR^{ÎÎÎÎÎÎÎÎÎT7ÎÎÎd ÎÎÎÎÎÎ AcTti7vweT7hÎÎÎÎÎÎÎÎÎÎÎÎT9ÎÎÎd ÎÎÎÎÎÎÎÎÎ}
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ
T12d
T12h
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ D0–D7†
Data
† _{The shadow area means in a shared bus environment, the UART is not driving the data bus.}
ÎÎÎÎÎÎÎÎ
Figure 13. General Read Timing
T8d
IOW
IOR
T8s
T8h
XTAL1
Figure 14. Alternate Read/Write Strobe Timing
20
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