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| XR16L651 Datasheet, PDF (48/56 Pages) Exar Corporation – 2.25V TO 5.5V UART WITH 32-BYTE FIFO | |||
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XR16L651
2.25V TO 5.5V UART WITH 32-BYTE FIFO
FIGURE 23. 68 MODE (MOTOROLA) DATA BUS WRITE TIMING
A0-A2
CS#
R/W#
D0-D7
TADS
Valid
Address
TCSL
TADH
TRWS
TCSD
TRWH
TWDS
Valid
Data
TWDH
FIGURE 24. DATA BUS READ TIMING IN PC MODE
áç
REV. 1.3.0
Valid
Address
Valid
Data
68Write
A0-A9
AEN#
TAS3
IOR#
TRD3
Valid
Address
TCS
TRD
D0-D7
TRDV
Valid
Data
TAS3
TRD4
TDY
TRD3
TDD
TRDV
Valid
Address
TCS
TRD
Valid
Data
TRD4
TDD
RDTm
48
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