XRT7250 Datasheet, PDF (54/463 Pages) Exar Corporation – DS3/E3 FRAMER IC

áç
DS3/E3 FRAMER IC
XRT7250
REV. 1.1.1
FIGURE 21. MICROPROCESSOR INTERFACE TIMING - MOTOROLA TYPE READ BURST ACCESS OPERATION
ALE_AS
A[8:0]
CS
D[15:0]
RD_DS
WR_RW
RDY_DTCK
t88
Address of “Initial” Target Register (Offset = 0x00)
t82
Not Valid Valid Data at Offset =0x01
Not Valid Valid Data at Offset =0x02
t81
FIGURE 22. MICROPROCESSOR INTERFACE TIMING - MOTOROLA TYPE WRITE BURST ACCESS OPERATION
ALE_AS
A[8:0]
CS
D[15:0]
RD_DS
WR_RW
RDY_DTCK
t89
Address of “Initial” Target Register (Offset = 0x00)
t84
t85
Data Written at Offset =0x01
Data Written at Offset =0x02
t81
FIGURE 23. MICROPROCESSOR INTERFACE TIMING - RESET PULSE WIDTH
t90
Reset
35