EP7309-CBZ Cirrus Logic Inc, EP7309-CBZ Datasheet - Page 15
![IC ARM720T MCU 74MHZ 256-PBGA](/photos/12/32/123256/mfg_ep7309_parts_sml.jpg)
EP7309-CBZ
Manufacturer Part Number
EP7309-CBZ
Description
IC ARM720T MCU 74MHZ 256-PBGA
Manufacturer
Cirrus Logic Inc
Series
EP7r
Specifications of EP7309-CBZ
Core Size
32-Bit
Core Processor
ARM7
Speed
74MHz
Connectivity
Codec, DAI, EBI/EMI, IrDA, Keypad, SPI/Microwire1, UART/USART
Peripherals
LCD, LED, MaverickKey, POR, 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
0°C ~ 70°C
Package / Case
256-BGA
Controller Family/series
(ARM7)
No. Of I/o's
27
Ram Memory Size
48KB
Cpu Speed
74MHz
No. Of Timers
2
No. Of Pwm Channels
2
Digital Ic Case Style
BGA
Embedded Interface Type
SSI, UART
Rohs Compliant
Yes
Processor Series
EP73xx
Core
ARM720T
Data Bus Width
32 bit
Mounting Style
SMD/SMT
3rd Party Development Tools
MDK-ARM, RL-ARM, ULINK2
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Program Memory Size
-
Data Converters
-
Lead Free Status / Rohs Status
Details
Other names
598-1211
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Static Memory
Figure 3
values for the timings of each of the Static Memory modes.
DS507F2
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 6
define the timings associated with all phases of the Static Memory. The following table contains the
Parameter
Copyright Cirrus Logic, Inc. 2011
(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
EP7309
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
15