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XRT79L71IB Datasheet(PDF) 86 Page - Exar Corporation

Part # XRT79L71IB
Description  1-CHANNEL DS3/E3 ATM UNI/PPP/CLEAR-CHANNEL FRAMER IC - HARDWARE
PDF  109 Pages
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Manufacturer  EXAR [Exar Corporation]
Direct Link  http://www.exar.com
Logo EXAR - Exar Corporation

XRT79L71IB Datasheet(HTML) 86 Page - Exar Corporation

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XRT79L71
83
1-CHANNEL DS3/E3 ATM UNI/PPP/CLEAR-CHANNEL FRAMER IC - HARDWARE
REV. 1.0.0
MICROPROCESSOR INTERFACE TIMING - ASYNCHRONOUS MOTOROLA (68K)
MODE
NOTE: The values for "t0" through "t7" can be found in
Table 9.
NOTE: The values for "t0" through "t7" can be found in
Table 9.
FIGURE 8. ASYNCHRONUS MODE 2 - MOTOROLA 68K PROGRAMMED I/O TIMING (WRITE CYCLE)
FIGURE 9. ASYNCHRONUS MODE 2 - MOTOROLA 68 PROGRAMMED I/O TIMING (READ CYCLE)
Address
Data
t
0
CS
ALE_AS
A[14:0]
D[7:0]
RD_DS
WR_R/W
RDY_DTACK
t
2
t
3
t
4
t
1
Data
CS
ALE_AS
A[14:0]
D[7:0]
RD_DS
WR_R/W
RDY DTACK
t6
t7
Address
t0
t1
t5



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