CX28398 Conexant Systems, CX28398 Datasheet - Page 259
CX28398
Manufacturer Part Number
CX28398
Description
(CX28394 - CX28398) Quad/x16/Octal?T1/E1/J1 Framers
Manufacturer
Conexant Systems
Datasheet
1.CX28398.pdf
(305 pages)
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CX28394/28395/28398
Quad/x16/Octal—T1/E1/J1 Framers
Figure 4-8. Intel Asynchronous Write Cycle
Table 4-11. Intel Asynchronous Write Cycle
100054E
Symbol
1
2
3
4
5
6
7
8
9
AD[7:0]
MOTO* = 1, SYNCMD = 0
WR*
ALE
A[8]
RD*
CS*
ALE high pulse width
A[8], AD[7:0] Address setup to ALE low
A[8], AD[7:0] Address hold after ALE low
CS*, RD* setup to WR* low
WR* pulse width low
AD[7:0] input data setup to WR* or CS* high
AD[7:0] input data hold after WR* or CS* high
RD* hold after WR* or CS* high
End write cycle to next ALE high
Address
Address
1
2
Parameter
3
4
Conexant
5
Minimum
Write Data
6
15
20
10
55
2
0
2
0
5
4.0 Electrical/Mechanical Specifications
7
8
9
Maximum
—
—
—
—
—
—
—
—
—
4.5 MPU Interface Timing
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
4-11
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