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EP7312-IV
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EP7312-IV ARM7TDMI Microprocessor Overview
The EP7312-IV from Cirrus Logic is a high-performance ARM7TDMI-based microprocessor designed for demanding industrial and embedded applications. Operating at 74MHz with a 32-bit architecture, this MPU delivers reliable processing power for systems requiring advanced display control, memory management, and multi-interface connectivity.
Key Features & Benefits
- ARM7TDMI Core Architecture: Industry-standard 32-bit RISC processor delivering efficient instruction execution and low power consumption
- 74MHz Operating Speed: Optimal performance for real-time embedded applications in industrial control, medical devices, and telecommunications
- Advanced Display Controllers: Integrated keypad, LCD, and touchscreen interface controllers for HMI applications
- SDRAM Memory Controller: Efficient external memory management for complex multi-tasking operating systems
- Wide Operating Voltage Range: 2.5V to 3.3V I/O voltage flexibility for diverse system integration
- Extended Temperature Range: -40°C to 85°C operation ensures reliability in harsh industrial environments
- Rich Peripheral Interfaces: DAI, IrDA, SSI, and UART support for versatile connectivity options
- Surface Mount 208-LQFP Package: Space-efficient design for compact embedded system layouts
Technical Applications
The EP7312-IV is ideally suited for aerospace avionics, automotive control systems, industrial automation, medical instrumentation, and telecommunications equipment where reliability, performance, and extended temperature operation are critical requirements.
Detailed Technical Specifications
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| Product attributes | Property Value |
| Manufacturer | Cirrus Logic Inc. |
| Product Series | EP7 |
| Packaging | | |
| Core Processor | ARM7TDMI |
| Number of Cores/Bus Width | 1 Core, 32-Bit |
| Speed | 74MHz |
| Co-Processors/DSP | - |
| RAM Controllers | SDRAM |
| Graphics Acceleration | No |
| Display & Interface Controllers | Keypad, LCD, Touchscreen |
| Ethernet | - |
| SATA | - |
| USB | - |
| Voltage - I/O | 2.5V, 2.7V, 3.0V, 3.3V |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Grade | - |
| Qualification | - |
| Security Features | Hardware ID |
| Mounting Type | Surface Mount |
| Package / Case | 208-LQFP |
| Supplier Device Package | 208-LQFP |
| Additional Interfaces | DAI, IrDA, SSI, UART |
EP7312-IV.pdf