EP7312-IV Cirrus Logic Inc, EP7312-IV Datasheet - Page 21
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EP7312-IV
Manufacturer Part Number
EP7312-IV
Description
IC ARM720T MCU 74MHZ 208-LQFP
Manufacturer
Cirrus Logic Inc
Series
EP7r
Datasheet
1.EP7312-CVZ.pdf
(64 pages)
Specifications of EP7312-IV
Core Processor
ARM7
Core Size
32-Bit
Speed
74MHz
Connectivity
Codec, DAI, EBI/EMI, IrDA, Keypad, SPI/Microwire1, UART/USART
Peripherals
LCD, LED, MaverickKey, PWM
Number Of I /o
27
Program Memory Type
ROMless
Ram Size
56K x 8
Voltage - Supply (vcc/vdd)
2.3 V ~ 2.7 V
Oscillator Type
External
Operating Temperature
-40°C ~ 85°C
Package / Case
208-LQFP
For Use With
598-1209 - KIT DEVELOPMENT EP73XX ARM7
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Program Memory Size
-
Data Converters
-
Other names
598-1245
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
EP7312-IV-90
Manufacturer:
Cirrus Logic Inc
Quantity:
10 000
Static Memory
Figure 7
values for the timings of each of the Static Memory modes.
DS508F1
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 10
define the timings associated with all phases of the Static Memory. The following table contains the
Parameter
©
Copyright Cirrus Logic, Inc. 2005
(All Rights Reserved)
Symbol
t
t
t
t
t
t
t
MOEd
MOEh
t
t
t
t
MWd
MWh
t
HWd
WDd
WRd
CSd
CSh
t
t
t
t
Dnv
t
EXs
EXh
Ad
Ah
Dv
Ds
Dh
High-Performance, Low-Power System on Chip
Min
2
2
4
3
3
3
3
2
2
2
8
6
5
-
-
-
-
Typ
10
13
15
11
8
7
9
6
6
7
7
8
8
-
-
-
-
Max
20
20
16
19
10
10
10
10
20
16
21
30
23
1
3
0
0
EP7312
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
21