XRT83SH38ES View Datasheet(PDF) - Exar Corporation
Part Name
Description
MFG CO.
'XRT83SH38ES' PDF : 78 Pages View PDF
REV. 1.0.7
XRT83SH38
8-CHANNEL T1/E1/J1 SHORT-HAUL LINE INTERFACE UNIT
FIGURE 36. INTEL µP INTERFACE SIGNALS DURING PROGRAMMED I/O READ AND WRITE OPERATIONS
ALE = 1
ADDR[10:0]
CS
DATA[7:0]
RD
WR
RDY
t0
t1
READ OPERATION
Valid Address
Valid Data for Readback
t2
t0
t3
WRITE OPERATION
Valid Address
Data Available to Write Into the LIU
t4
TABLE 18: INTEL MICROPROCESSOR INTERFACE TIMING SPECIFICATIONS
SYMBOL
PARAMETER
MIN
MAX
t0
Valid Address to CS Falling Edge
t1
CS Falling Edge to RD Assert
t2
RD Assert to RDY Assert
NA
RD Pulse Width (t2)
t3
CS Falling Edge to WR Assert
t4
WR Assert to RDY Assert
NA
WR Pulse Width (t4)
0
-
65
-
-
90
90
-
65
-
-
90
90
-
UNITS
ns
ns
ns
ns
ns
ns
ns
48
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