ep9315 Cirrus Logic, Inc., ep9315 Datasheet - Page 30

• Manufacturer Part Number: ep9315
• Description: Enhanced Universal Platform System-on-chip Processor
• Manufacturer: Cirrus Logic, Inc.

EP9315
Enhanced Universal Platform SOC Processor
PCMCIA Interface
PCMCIA Read Cycle
30
MCADENn/
MCDAENn
MCWAITn
AD setup to signal transition time
Attribute access time
Attribute hold time
Attribute space pre-charge delay time
Common access time
Common hold time
Common space pre-charge delay time
I/O access time
I/O hold time
I/O space pre-charge delay time
MCDIR hold time
DA setup to MCRDn / IORDn rising edge
DA hold from MCRDn / IORDn rising edge
MCREGn
MCRDn/
MCEHn/
MCELn/
MCDIR
IORDn
Note:
AD
DA
(in)
1 - MCWAITn asserted will extend the MCRD / IORD strobe time.
(see Note 1)
Parameter
t
ADs
t
p
©
Copyright 2005 Cirrus Logic (All Rights Reserved)
Figure 17. PCMCIA Read Cycle Timing Measurement
Symbol
t
MCDh
t
ADs
t
t
t
t
t
t
t
t
t
t
t
A
H
A
H
A
H
p
p
p
s
h
t
[(AC + 1) × t
A
[(AA + 1) × t
[(AI + 1) × t
[(HA + 1) × t
[(HC + 1) × t
[(HI + 1) × t
(PC + 1) × t
(PA + 1) × t
(PI + 1) × t
t
s
Min
10
0
0
0
HCLK
HCLK
HCLK
HCLK
HCLK
HCLK
HCLK
HCLK
HCLK
] - 14
] - 14
] - 14
] - 3
] - 3
] - 3
(HA + 1) × t
(AC + 1) × t
(HC + 1) × t
(PC + 1) × t
(AA + 1) × t
(PA + 1) × t
t
(AI + 1) × t
(HI + 1) × t
(PI + 1) × t
h
t
H
Typ
-
-
-
-
t
HCLK
HCLK
HCLK
HCLK
HCLK
HCLK
HCLK
HCLK
HCLK
MCDh
Max
-
-
-
-
-
-
-
-
-
-
-
-
-
DS638PP4
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns