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EP7311-IV

EP7311-IV

EP7311-IV

Cirrus Logic Inc.

0.5mm ARM7TDMI 32-bit Microprocessor EP7 Series EP7311 208-Pin 74MHz 2.5V 208-LQFP

SOT-23

EP7311-IV Datasheet PDF

non-compliant

Technical Specifications

Parameter NameValue
TypeParameter
Package / Case 208-LQFP
Surface MountYES
Number of Pins 208
Weight 2.587007g
Operating Temperature-40°C~85°C TA
PackagingTray
Series EP7
Published 2000
JESD-609 Code e0
Part StatusObsolete
Moisture Sensitivity Level (MSL) 3 (168 Hours)
Number of Terminations 208
Terminal Finish TIN LEAD
Terminal Position QUAD
Terminal FormGULL WING
Peak Reflow Temperature (Cel) 225
Supply Voltage 2.5V
Terminal Pitch0.5mm
Frequency 74MHz
Time@Peak Reflow Temperature-Max (s) 30
Base Part Number EP7311
Pin Count208
Operating Supply Voltage2.5V
Supply Voltage-Max (Vsup) 2.7V
Interface Serial, UART
Number of I/O 27
RAM Size 48kB
uPs/uCs/Peripheral ICs Type MICROCONTROLLER, RISC
Core Processor ARM7TDMI
Bit Size 32
Access Time 74 μs
Has ADC YES
DMA Channels NO
Data Bus Width 32b
PWM Channels YES
DAC Channels NO
Address Bus Width28
Core Architecture ARM
Voltage - I/O 2.5V 2.7V 3.0V 3.3V
Number of Cores/Bus Width 1 Core 32-Bit
Graphics AccelerationNo
RAM Controllers SDRAM
Additional Interfaces DAI, IrDA, SSI, UART
Number of Cores 1
Security FeaturesHardware ID
Display & Interface ControllersKeypad, LCD, Touchscreen
Length 28mm
RoHS StatusNon-RoHS Compliant
Lead Free Contains Lead
In-Stock:3225 items

EP7311-IV Product Details

EP7311-IV Overview


The embedded microprocessor ships overseas conveniently packed in 208-LQFP. A high level of reliability is provided by using an advanced packaging method Tray. In the CPU, there are 1 Core 32-Bit cores and 1 Core 32-Bit bus width. It is important to understand the operating temperature around -40°C~85°C TA. EP7 is its series number. Core-wise, this CPU has a ARM7TDMI processor. It has SDRAM RAM controllers. A DAI, IrDA, SSI, UART interface has been added to this microprocessor in order to serve the user better. As far as I/O is concerned, this CPU runs at 2.5V 2.7V 3.0V 3.3V. There is MICROCONTROLLER, RISC MICROCONTROLLER, RISC in the uPs, uCs, or peripheral ICs categories. To find variants of the microprocessor, try searching with EP7311. A total of 208 terminations have been recorded. Turn on the cpu microprocessor and let it run with a 2.5V voltage supply. There are 32 bits in its architecture. 74MHz is the frequency of the CPU. 208 pin functions are described in the datasheets. With a maximum supply current of 2.7V, it has a maximum power consumption. Data transfer has 32b bandwidths. Injecting pins into the embedded microprocessor body results in 208 pins. There is only 1 core in this processor. Micro processors can be used from 2.5V. It is designed to have RAM (Random-Access Memory) of 48kB. CPU programs transfer data via 27 I/Os.

EP7311-IV Features


ARM7TDMI Core
32-Bit Structure
32b-Bit Data Bus Width
1-Core CPU
48kB RAM
27 I/Os


EP7311-IV Applications


There are a lot of Cirrus Logic Inc.
EP7311-IV Microprocessor applications.


  • Toys
  • Robots
  • Radio
  • Television
  • Heater/Fan
  • Calculator
  • Kindle
  • Christmas lights
  • 3D printers
  • Washing machine

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