MC9328MX21CJM

The MC9328MX21CJM is an i.MX21 family microprocessor integrating an ARM926EJ‑S core running at 266 MHz. It is designed for smartphone and portable product markets, delivering a blend of compute performance, integrated system functions, and power management capabilities.

On‑chip modules and interfaces target multimedia and handheld applications, offering accelerated Java support, memory and storage controllers, and peripherals that simplify system design for portable and cost‑sensitive products.

Key Features

• Core Architecture — ARM926EJ‑S: Single 32‑bit ARM926EJ‑S core operating at 266 MHz, providing processing capability for embedded and multimedia tasks.
• Memory and Storage Interfaces: Integrated SDRAM controller and NAND Flash controller with on‑chip ECC and parity checking to support cost‑sensitive non‑volatile storage configurations.
• Multimedia and Display Support: On‑chip video accelerator module, LCD controller and CMOS sensor interface to enable rich multimedia and imaging applications.
• Connectivity and Peripheral Interfaces: Built‑in USB On‑The‑Go, 1‑Wire interface, synchronous serial interfaces and host controllers (MMC/SD, PCMCIA/CF) to support a wide range of external peripherals and expansion options.
• System Integration and Power Management: Integrated system functions and power management capabilities designed to optimize performance while minimizing power consumption for portable devices.
• Package and Assembly: 289‑pin MAPBGA (289‑PBGA, 17×17 mm) in a surface‑mount, tray format suitable for high‑pin‑count embedded designs.

Typical Applications

• Smartphones and Portable Handhelds: Provides integrated multimedia, sensor and storage interfaces targeted at smartphone and portable product designs.
• Multimedia Devices: Video acceleration and display controller support compact multimedia players and handheld video applications.
• Cost‑sensitive Embedded Systems: NAND Flash controller with ECC enables use of lower‑cost non‑volatile storage as primary or secondary memory in price‑sensitive designs.

Unique Advantages

• Highly integrated peripheral set: On‑chip multimedia, sensor and communications modules reduce external components and simplify BOM.
• Power‑aware design: Power management capabilities and an ARM926EJ‑S core optimized for low power help extend battery life in portable products.
• Java acceleration support: ARM926EJ‑S core provides accelerated Java support to aid software development for embedded applications.
• Robust storage options: NAND controller with ECC and SDRAM interface support flexible memory architectures for both cost and performance tradeoffs.
• Compact high‑pin package: 289‑pin MAPBGA (17×17 mm) delivers extensive I/O in a compact surface‑mount footprint suitable for dense system designs.

Why Choose MC9328MX21CJM?

The MC9328MX21CJM positions itself as an integrated solution for designers targeting smartphones, portable handhelds and multimedia devices that require a balance of processing performance, peripheral integration and power efficiency. Its ARM926EJ‑S core at 266 MHz, combined with on‑chip multimedia and storage controllers, streamlines system design and reduces component count.

As part of the i.MX21 family, this device supports designers seeking a documented, multifunction platform for portable applications where integration, power management and flexible memory options are key selection criteria.

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