MC9328MX21VK

The MC9328MX21VK is an NXP Semiconductors i.MX21 family microprocessor built around a single ARM926EJ‑S core running at 266 MHz. It combines processor performance with on‑chip system functions and peripheral integration aimed at portable and handheld designs.

Designed for devices that require integrated display and storage interfaces, the MC9328MX21VK offers SDRAM memory control, LCD and keypad display interfaces, USB connectivity, and a compact 289‑LFBGA (14×14) surface‑mount package. The device is RoHS compliant and specified for 0 °C to 70 °C operation.

Key Features

• Processor Core — ARM926EJ‑S single core, 32‑bit architecture operating at 266 MHz, including on‑core features noted in the i.MX21 documentation such as accelerated Java support.
• Memory and Storage — Integrated SDRAM controller and on‑chip NAND flash controller support (per datasheet) for cost‑sensitive non‑volatile storage implementations.
• Display and Human Interface — On‑chip LCD and keypad display interface controllers suitable for handheld user interfaces.
• Connectivity and I/O — USB support listed as USB 1.x (2); additional interfaces include a 1‑Wire interface and multiple synchronous serial interfaces referenced in the datasheet.
• Multimedia and Peripherals — Datasheet references on‑chip modules such as a video accelerator module, CMOS sensor interface, and synchronous serial interfaces to support multimedia and imaging applications.
• Expansion and Storage Hosts — Datasheet notes support for MMC/SD host controllers and PCMCIA/CF expansion options for peripheral and storage expansion.
• Package and Mounting — 289‑LFBGA (14×14) supplier device package; surface‑mount mounting type for compact board designs.
• Operating Range and Compliance — Operating temperature 0 °C to 70 °C and RoHS compliant.

Typical Applications

• Smartphones and Mobile Handsets — Built to address smartphone and portable product requirements with integrated display and USB interfaces.
• Handheld Multimedia Devices — On‑chip multimedia and display modules enable user interfaces and imaging features for portable multimedia players and PDAs.
• Portable Consumer Electronics — SDRAM and NAND flash support make the device suitable for cost‑sensitive portable products requiring local storage and expandable options.

Unique Advantages

• Integrated Peripherals Reduce BOM: LCD controller, USB support, 1‑Wire and serial interfaces, and on‑chip storage controllers reduce external component count and simplify board design.
• Targeted Mobile Performance: ARM926EJ‑S core at 266 MHz provides application processing and on‑core capabilities mentioned in the i.MX21 documentation such as accelerated Java support.
• Flexible Storage Options: Built‑in NAND flash controller plus MMC/SD and PCMCIA/CF host options (per datasheet) allow designers to choose cost and capacity tradeoffs.
• Compact, Surface‑Mount Package: 289‑LFBGA (14×14) keeps board footprint low for space‑constrained portable products.
• Regulatory Compliance: RoHS compliant to meet modern environmental requirements for electronic products.

Why Choose MC9328MX21VK?

The MC9328MX21VK positions itself as an integrated solution for portable and handheld product designs that need a balance of application processing, multimedia interfaces, and storage flexibility. Its ARM926EJ‑S core, combined with the i.MX21 family’s on‑chip modules and peripheral set, helps simplify system design while addressing the I/O and display needs common in mobile devices.

This device is suited for engineers and product teams developing handheld consumer electronics and other portable systems where compact packaging, integrated interfaces, and RoHS compliance are important selection criteria.

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