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EP7312-CB

EP7312-CB

EP7312-CB

Cirrus Logic Inc.

ARM7TDMI 32-bit Microprocessor EP7 Series EP7312 256-Pin 74MHz 2.5V 256-LFBGA

SOT-23

EP7312-CB Datasheet PDF

non-compliant

Technical Specifications

Parameter NameValue
TypeParameter
Package / Case 256-LFBGA
Surface MountYES
Number of Pins 256
Operating Temperature0°C~70°C TA
PackagingTray
Series EP7
Published 2002
JESD-609 Code e0
Pbfree Code no
Part StatusObsolete
Moisture Sensitivity Level (MSL) 3 (168 Hours)
Number of Terminations 256
Terminal Finish Tin/Lead (Sn/Pb)
Terminal Position BOTTOM
Terminal FormBALL
Peak Reflow Temperature (Cel) 225
Supply Voltage 2.5V
Frequency 74MHz
Time@Peak Reflow Temperature-Max (s) 30
Base Part Number EP7312
Pin Count256
Supply Voltage-Max (Vsup) 2.7V
Supply Voltage-Min (Vsup) 2.3V
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 NO
DMA Channels NO
PWM Channels YES
DAC Channels NO
Address Bus Width28
Core Architecture ARM
External Data Bus Width 32
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
ROM Programmability FLASH
Number of Cores 1
Security FeaturesHardware ID
Display & Interface ControllersKeypad, LCD, Touchscreen
RoHS StatusNon-RoHS Compliant
Lead Free Contains Lead
In-Stock:2740 items

EP7312-CB Product Details

EP7312-CB Overview


The microprocessor is conveniently packaged in 256-LFBGA, making it easy to ship internationally. High reliability is provided by the advanced packaging method Tray. There are 1 Core 32-Bit cores/bus width on the CPU. Understand the operating temperature around 0°C~70°C TA. The EP7 series contains it. A ARM7TDMI processor powers this CPU. SDRAM RAM controllers are used by this CPU. This microprocessor has DAI, IrDA, SSI, UART interfaces to serve you better. I/O is run at 2.5V 2.7V 3.0V 3.3V on this CPU. This is a MICROCONTROLLER, RISC for the uPs/uCs/Peripheral ICs type. Try searching for variants of the cpu microprocessor with EP7312. Total terminations are 256. In the case of a 2.5V voltage supply, the embedded microprocessor should be turned on and run. A 32-Bit architecture is used. CPUs operate at 74MHz Hz. For functions of 256 pins, please refer to the datasheets. The maximum supply current is 2.7V. The external data bus width of this CPU is 32. The CPU microprocessor body is injected with 256 pins. A CPU with 1 cores. RAM (Random Access Memory) is designed to be 48kB. 27 I/Os are used by CPU programs to transfer data.

EP7312-CB Features


ARM7TDMI Core
32-Bit Structure
1-Core CPU
48kB RAM
27 I/Os


EP7312-CB Applications


There are a lot of Cirrus Logic Inc.
EP7312-CB Microprocessor applications.


  • Automatic control
  • Equipment control
  • Instrument control
  • Consumer electronics products
  • Toys
  • Robots
  • Radio
  • Television
  • Heater/Fan
  • Calculator

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