MCIMX257DJM4

Microprocessors Overview

The MCIMX257DJM4A is an ARM926EJ-S microprocessor from the i.MX25 family, operating at 400 MHz. It features a 32-bit architecture with 16 KB L1 instruction and data caches, plus 128 KB on-chip SRAM. The device integrates a Fast Ethernet MAC, two USB PHYs (HS OTG and FS Host), FlexCAN, LCD controller, CSI, ESAI, and a 12-bit ADC with touchscreen support. It utilizes a 400-ball MAPBGA package (Case 5284) measuring 17x17 mm with a 0.8 mm pitch.

Microprocessors Feature Summary

• Integrated multimedia capabilities including LCD controller with alpha blending, CMOS image sensor interface, and Smart DMA engine.
• Hardware-enabled security features supporting secure boot, DRM, encryption, and tamper detection via DryIce module.
• Flexible external memory interface supporting MobileDDR, DDR, DDR2, NOR Flash, PSRAM, SDRAM, SRAM, NAND Flash, and managed NAND.
• Comprehensive connectivity options including Fast Ethernet, dual USB PHYs, FlexCAN, and multiple serial interfaces.

Microprocessors Applications

• Graphical remote controls
• Human Machine Interface (HMI)
• Residential and commercial control panels
• Residential gateway (smart metering)
• Electronic point-of-sale terminals

Microprocessors Procurement Notes

Verify the specific silicon version required for your design, as ordering suffixes indicate different revisions (e.g., 'A' denotes Silicon Version 1.2). Confirm that the selected part number matches the intended temperature range and package type. Ensure compatibility with existing board layouts regarding the 400-LFBGA footprint and pin assignments before finalizing procurement orders.

Microprocessors Selection Notes

Select this processor for applications requiring a balance of high performance and low power consumption in industrial or embedded markets. Consider the integrated peripherals like FlexCAN and USB when designing systems needing robust connectivity without additional controllers. Evaluate the on-chip SRAM size to determine if external memory is necessary for your specific RTOS or application requirements.

Microprocessors Part Context

This component belongs to the NXP i.MX25 series of multimedia applications processors. Designed for consumer and industrial products, the series targets markets demanding connectivity and processing power within a compact form factor. The i.MX25 family supports various packages and temperature grades to accommodate diverse environmental and physical constraints in end-user devices.

Microprocessors Replacement Considerations

MCIMX257DVM4

Microprocessors FAQ

What is the maximum clock speed of the ARM core?

The ARM926EJ-S core operates at speeds up to 400 MHz.

Does this processor include hardware security features?

Yes, it includes hardware-enabled security features such as secure boot, Digital Rights Management (DRM), information encryption, and tamper detection via the DryIce module.