MCIMX257CJM4AR2

Microprocessors Overview

The MCIMX257CJM4AR2 is a microprocessor unit from the NXP i.MX25 series, built on an ARM926EJ-S core. It operates at a maximum clock frequency of 400 MHz with a 32-bit data bus width. The device features a single-core architecture and includes 128 kB of internal data RAM alongside 16 kB each for L1 instruction and data caches. It supports LPDDR, DDR, and DDR2 external memory controllers. The component is housed in a 400-LFBGA package measuring 17x17 mm and is rated for an operating temperature range of -40°C to 85°C.

Microprocessors Feature Summary

• Integrates an ARM926EJ-S processor core optimized for embedded multimedia applications.
• Supports multiple external memory types including LPDDR, DDR, and DDR2 via integrated controllers.
• Provides extensive connectivity interfaces such as Ethernet, USB 2.0, CAN, I2C, SPI, and UART.

Microprocessors Applications

• Multimedia processing systems
• Industrial control units
• IoT edge devices

Microprocessors Procurement Notes

Verify the specific suffix 'R2' against the official NXP datasheet to confirm packaging details and revision status. Ensure compatibility with required voltage levels (2.0V, 2.5V, 2.7V, 3.0V, 3.3V) and interface standards before integration. Confirm RoHS compliance and moisture sensitivity level requirements for your assembly process.

Microprocessors Selection Notes

Select this component when a cost-effective ARM9-based solution with robust peripheral integration is required. It is suitable for designs needing moderate processing power with support for various display and communication interfaces. Consider thermal management within the specified industrial temperature range during PCB layout.

Microprocessors Part Context

This part belongs to the NXP i.MX25 family of application processors designed for low-power, high-performance embedded markets. It serves as a bridge between simple microcontrollers and complex application processors, offering a balance of processing capability and peripheral richness for consumer and industrial electronics.

Microprocessors Replacement Considerations

Check for direct pin-to-pin replacements within the i.MX25 series, such as the MCIMX258CJM4AR2, ensuring functional equivalence in cache size and supported memory types. Verify that any substitute maintains the same 400-LFBGA footprint and electrical specifications.