CX28398 Conexant Systems, CX28398 Datasheet - Page 257

• Manufacturer Part Number: CX28398
• Description: (CX28394 - CX28398) Quad/x16/Octal?T1/E1/J1 Framers
• Manufacturer: Conexant Systems

CX28394/28395/28398
Quad/x16/Octal—T1/E1/J1 Framers
Figure 4-6. Motorola Asynchronous Write Cycle
Table 4-9. Motorola Asynchronous Write Cycle
100054E
Symbol
1
2
3
4
5
6
7
8
9
AD[7:0]
A[8:0]
MOTO* = 0, SYNCMD = 0
R/W*
CS*
AS*
DS*
AS* high pulse width
A[8:0] Address setup to AS* low
A[8:0] Address hold after AS* low
CS* low and R/W* low to DS* low
AD[7:0] setup to DS* low
AD[7:0] hold after DS* low
DS* low pulse width
CS*, R/W* hold after DS* low
DS* low to AS* high
Address
1
Write Data
2
Parameter
3
5
4
6
Conexant
7
8
Minimum
9
15
15
38
38
70
5
5
0
2
4.0 Electrical/Mechanical Specifications
Maximum
—
—
—
—
—
—
—
—
—
4.5 MPU Interface Timing
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
4-9