cx28224 Mindspeed Technologies, cx28224 Datasheet - Page 226

• Manufacturer Part Number: cx28224
• Description: Cx28224/5/9 Inverse Multiplexing For The Atm Ima Family
• Manufacturer: Mindspeed Technologies

Electrical and Mechanical Specifications
Figure 8-4. MIcroprocessor Timing Diagram—Asynchronous Write
Table 8-2. Microprocessor Timing Table—Asynchronous Write
8-4
MicroClk
t
t
t
t
t
t
t
t
FOOTNOTE:
(1)
(2)
pwl
pwh
s1
h1
s2
h2
enzl
dislz
Label
Timing starts from whichever is asserted last.
Timing relative to whichever goes inactive first.
Micro
Micro
MSyncMode
Addr[10:0]
Microprocessor Clock
Pulse Width Low (MCS* + MWr*)
Pulse Width High (MCS* + MWr*)
Setup, MicroAddr[10:0] to the falling edge of (MCS* + MWr*)
Hold, MicroAddr[10:0] from the rising edge of (MCS* +
MWr*)
Setup, MicroData[7:0] from the falling edge of (MCS* +
MWr*)
Hold, MicroData[6:0] from the rising edge of (MCS* + MWr*)
Enable, MRdy from the falling edge of (MCS* + MWr*)
Disable, MRdy from the falling edge of (MCS* + MWr*)
Data[7:0]
MCS*
MRdy
MWr*
MRd*
(2)
(1)
(high)
(low)
Description
t
s1
Mindspeed Technologies
t
enzl
t
s2
t
t
pwl
pwl
t
dislz
(1)
(1)
(2)
(1)
3 * MicroClk + 15
3 * MicroClk + 15
2.5 * MicroClk
™
Min
—
—
2
7
7
2
t
h1
t
h2
t
t
pwh
pwh
3.5 * MicroClk +15
1 MicroClk
Max
CX28224/5/9 Data Sheet
50
—
—
—
—
—
20
28229-DSH-001-D
500027_024
MHz
ns
ns
ns
ns
ns
ns
ns
ns
Unit