cn8223 Mindspeed Technologies, cn8223 Datasheet - Page 139

• Manufacturer Part Number: cn8223
• Description: Atm Transmitter/receiver With Utopia Interface
• Manufacturer: Mindspeed Technologies

CN8223
ATM Transmitter/Receiver with UTOPIA Interface
Figure 4-1. Local Processor Interface Timing
100046D
PRCLK
D[15:0]
(Read Operation)
A[7:1]
W/R
OE
CS
AS
~
~
~
~
(t
aspr
Set Up
4 ns Min
(t
and t
Address Latched
in CN8223
apr
Set Up
1 ns Min
and t
cspr
)
wpr
)
VALID
Hold
5 ns Min
t
prh
Hold
8 ns Min
Conexant
Valid 6 ns. Max
Hold
11 ns Max
(t
(t
(Write Operation)
odd
pdd
t
prclk
and t
and t
Hold t
2 ns Min
(t
D[15:0]
pras
pdv
odv
)
)
)
prh
VALID
4.0 Electrical and Mechanical Specifications
plus
Set Up
1 ns Min
(t
t
prl
dpr
)
VALID
Hold
3 ns Min
(t
Invalid 4.9 ns Max
(t
Hold
3.2 ns Min
(t
Invalid
t
odi
prd
pdi
prl
)
Hold
8 ns Min
(t
– 4 ns
and t
and t
csph
)
odz
pdz
)
)
4.3 Timing
4-5