XRT83SL314IB View Datasheet(PDF) - Exar Corporation
Part Name
Description
MFG CO.
'XRT83SL314IB' PDF : 83 Pages View PDF
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14-CHANNEL T1/E1/J1 SHORT-HAUL LINE INTERFACE UNIT
XRT83SL314
REV. 1.0.1
FIGURE 40. MOTOROLA POWER PC µP INTERFACE SIGNALS DURING PROGRAMMED I/O READ AND WRITE OPERA-
TIONS
READ OPERATION
WRITE OPERATION
TS
uPCLK
ADDR[10:0]
CS
DATA[7:0]
WE
R/W
TA
t0
t3
t1
tdc
tcp
Valid Address
Valid Data for Readback
t2
t0
t3
t1
Valid Address
Data Available to Write Into the LIU
t2
TABLE 19: MOTOROLA POWER PC MICROPROCESSOR INTERFACE TIMING SPECIFICATIONS
SYMBOL
PARAMETER
MIN
MAX
UNITS
t0
Valid Address to CS Falling Edge
t1
CS Falling Edge to WE Assert
t2
WE Assert to TA Assert
NA
WE Pulse Width (t2)
t3
CS Falling Edge to TS Falling Edge
tdc
µPCLK Duty Cycle
tcp
µPCLK Clock Period
0
-
ns
0
-
ns
-
150
ns
150
-
ns
0
-
ns
40
60
%
20
-
ns
48
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