XRT7250 Datasheet, PDF (53/463 Pages) Exar Corporation – DS3/E3 FRAMER IC

XRT7250 DS3/E3 FRAMER IC
REV. 1.1.1
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FIGURE 19. MICROPROCESSOR INTERFACE TIMING - MOTOROLA TYPE PROGRAMMED I/O READ OPERATION
t78
ALE_AS
A[8:0]
CS
D[7:0]
RD_DS
WR_RW
RDY_DTCK
Address of Target Register
Not Valid
Valid Data
t79
t80
FIGURE 20. MICROPROCESSOR INTERFACE TIMING - MOTOROLA TYPE PROGRAMMED I/O WRITE OPERATION
t78
ALE_AS
A[8:0]
CS
D[7:0]
RD_DS
WR_RW
RDY_DTCK
Address of Target Register
t81
Data to be Written
t82
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