MC9328MX21DVK

The MC9328MX21DVK is a single‑core 32‑bit microprocessor based on the ARM926EJ‑S core running at 266 MHz. Designed for compact embedded and portable systems, it integrates a broad set of system functions and interfaces to support multimedia and handheld product designs.

Built for low‑power portable applications, the device combines an ARM926EJ‑S processing core with on‑chip memory controllers and peripheral interfaces to help simplify board design and accelerate time to market.

Key Features

• Core  ARM926EJ‑S single core, 32‑bit processor running at 266 MHz for control and application tasks.
• Memory & Storage  Integrated SDRAM controller and NAND Flash controller with on‑chip ECC support for robust non‑volatile storage management.
• Display & Imaging  On‑chip LCD controller and keypad interface, plus a CMOS sensor interface to support camera or imaging peripherals.
• Multimedia Acceleration  Includes on‑chip multimedia/video accelerator functionality described in the i.MX21 family documentation to assist media processing.
• USB & Expansion  USB 1.x support (two ports) with USB On‑The‑Go capability and host interfaces for MMC/SD and PCMCIA/CF expansion options.
• Serial & Control Interfaces  Multiple serial interfaces including UART, I2C, synchronous serial interfaces, CSPI instances and a 1‑Wire interface for sensor and control connectivity.
• Storage Interfaces  MMC/SD host controller support and NAND Flash controller for flexible non‑volatile storage choices.
• System Integration  On‑chip power management, DMA controllers, timers, watchdog and system I/O to reduce external component count and simplify system design.
• Package & Mounting  289‑pin LFBGA package (14×14 mm), surface‑mount for compact board layouts.
• Operating Range  Rated for operation from −30 °C to 70 °C and RoHS compliant for environmental compatibility.

Typical Applications

• Smartphones & Handheld Devices  Integrated peripherals, multimedia support and compact package make it suitable for portable consumer devices.
• Portable Multimedia Players  On‑chip multimedia acceleration, LCD controller and storage interfaces support audio/video playback and user interfaces.
• Camera and Imaging Modules  CMOS sensor interface and display controllers enable compact imaging solutions with local processing.
• Embedded Consumer Electronics  Use in devices requiring a balance of processing, display control and multiple peripheral interfaces.

Unique Advantages

• Highly integrated peripherals: Reduces external component count by combining display, storage, serial, USB and sensor interfaces on chip.
• On‑chip storage management: NAND Flash controller with ECC and MMC/SD host support simplifies use of low‑cost non‑volatile memory.
• Compact packaging: 289‑pin LFBGA (14×14) surface‑mount package enables high‑density board designs for space‑constrained products.
• Designed for portable products: ARM926EJ‑S core and documented power management features target power‑efficient operation in handheld applications.
• Industrial temperature capability: Specified operation from −30 °C to 70 °C for deployment across a wide range of ambient conditions.

Why Choose MC9328MX21DVK?

The MC9328MX21DVK positions itself as a compact, integrated microprocessor option for designers of portable and embedded multimedia devices. With an ARM926EJ‑S core at 266 MHz and a comprehensive set of on‑chip controllers and interfaces, it helps reduce BOM complexity while providing the connectivity and storage options required by modern handheld products.

This device is well suited to engineering teams targeting compact form factors and robust peripheral integration, offering scalability within the i.MX family and documented system features that support rapid development and reliable in‑field operation.

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