EP7309-CR Cirrus Logic Inc, EP7309-CR Datasheet - Page 12

• Manufacturer Part Number: EP7309-CR
• Description: 32-Bit Microcontroller IC
• Manufacturer: Cirrus Logic Inc

Specifications of EP7309-CR

• Controller Family/series: (ARM7)
• Core Size: 32 Bit
• No. Of Timers 8/12/16/32 Bits: 0 / 0 / 2 / 0
• Interface: SSI, UART
• Embedded Interface Type: SSI, UART
• Mounting Type: Surface Mount
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

EP7309
High-Performance, Low-Power System on Chip
Static Memory
Figure 2
contains the values for the timings of each of the Static Memory modes.
12
EXPCLK rising edge to nCS assert delay time
EXPCLK falling edge to nCS deassert hold time
EXPCLK rising edge to A assert delay time
EXPCLK falling edge to A deassert hold time
EXPCLK rising edge to nMWE assert delay time
EXPCLK rising edge to nMWE deassert hold time
EXPCLK falling edge to nMOE assert delay time
EXPCLK falling edge to nMOE deassert hold time
EXPCLK falling edge to HALFWORD deassert delay time
EXPCLK falling edge to WORD assert delay time
EXPCLK rising edge to data valid delay time
EXPCLK falling edge to data invalid delay time
Data setup to EXPCLK falling edge time
EXPCLK falling edge to data hold time
EXPCLK rising edge to WRITE assert delay time
EXPREADY setup to EXPCLK falling edge time
EXPCLK falling edge to EXPREADY hold time
through
Figure 5
Parameter
define the timings associated with all phases of the Static Memory. The following table

Copyright 2001 Cirrus Logic (All Rights Reserved)
Symbol
t
t
t
t
MOEd
MOEh
t
t
t
t
t
t
t
t
MWd
MWh
HWd
WDd
WRd
CSd
CSh
t
t
t
t
t
EXs
EXh
Dnv
Dh
Ad
Ah
Dv
Ds
Min
TBD
TBD
TBD
TBD
TBD
TBD
TBD
TBD
TBD
TBD
TBD
TBD
TBD
TBD
TBD
TBD
TBD
Typ
20
8
4
4
8
4
4
4
4
4
4
8
8
-
-
-
-
Max
TBD
TBD
TBD
TBD
TBD
TBD
TBD
TBD
TBD
TBD
TBD
TBD
TBD
TBD
TBD
TBD
TBD
DS507PP1
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns