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| XR68C92_05 Datasheet, PDF (27/33 Pages) Exar Corporation – DUAL UNIVERSAL ASYNCHRONOUS RECEIVER AND TRANSMITTER | |||
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XR68C92/192
A4-A1
R/-W
-CS
D7-D0
-DACK
A4-A1
R/-W
-CS
D7-D0
-DACK
TAS
TRWS
TAH
TRWH
TCSL
TDD
Valid Data
TDF
TCSH
TAKT
TAKL
TAKH
Read Cycle Timing
TAS
TAH
TRWS
TRWH
TCSL
TDS
TDH
TAKT
TCSH
TAKL
TAKH
Write Cycle Timing
Rev. 1.33
Figure 3: Bus Timing (Read/Write cycle)
27
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