EP7311-IV Cirrus Logic Inc, EP7311-IV Datasheet - Page 15

• Manufacturer Part Number: EP7311-IV
• Description: IC ARM720T MCU 74MHZ 208-LQFP
• Manufacturer: Cirrus Logic Inc
• Series: EP7r

Specifications of EP7311-IV

• Core Processor: ARM7
• Core Size: 32-Bit
• Speed: 74MHz
• Connectivity: Codec, EBI/EMI, IrDA, Keypad, Multimedia Codec, 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
• Processor Series: EP73xx
• Core: ARM720T
• Data Bus Width: 32 bit
• 3rd Party Development Tools: MDK-ARM, RL-ARM, ULINK2
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -
• Program Memory Size: -
• Data Converters: -
• Lead Free Status / Rohs Status: No
• Other names: 598-1230

EP7311
High-Performance, Low-Power System on Chip
Timings
Timing Diagram Conventions
This data sheet contains timing diagrams. The following key explains the components used in these diagrams. Any variations are
clearly labelled when they occur. Therefore, no additional meaning should be attached unless specifically stated.
C l o c k
H i g h t o L o w
H i g h / L o w
t o H i g h
B u s C h a n g e
B u s V a l i d
U n d e f i n e d / I n v a l i d
V a l i d B u s t o T r i s t a t e
B u s / S i g n a l O m i s s i o n
Figure 2. Legend for Timing Diagrams
Timing Conditions
Unless specified otherwise, the following conditions are true for all timing measurements. All characteristics are specified at
V
= 3.1 - 3.5 V and V
= 0 V over an operating temperature of -40°C to +85°C. Pin loadings is 50 pF. The timing values are
DDIO
SS
referenced to 1/2 V
.
DD
©
Copyright Cirrus Logic, Inc. 2005
DS506F1
(All Rights Reserved)
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