NXP Semiconductors MC9328MXLDVM20

Overview

MC9328MXLDVM20 from NXP Semiconductors (formerly Freescale) is an ARM920T™-based applications processor operating at 200 MHz, featuring integrated LCD controller, USB Device, MMC/SD host controller, SDRAM controller, and dual UARTs. It delivers multimedia acceleration and power management for portable embedded systems requiring rich UI and connectivity.

For engineers reviewing the MC9328MXLDVM20 datasheet, MC9328MXLDVM20 pinout, MC9328MXLDVM20 application, or MC9328MXLDVM20 equivalent, this page provides verified technical context, package mapping to MAPBGA–225, confirmed I/O voltage ranges (1.7–3.3 V), core supply specs (1.8–2.0 V @ 200 MHz), and validated alternative parts for industrial handheld and audio player designs.

Technical Context

The MC9328MXLDVM20 implements an ARM920T™ core with Harvard architecture, 16 KB instruction and 16 KB data caches, and a Memory Management Unit (MMU). Its system-on-chip integration includes dedicated modules for LCD timing control (16-bit parallel interface), USB 1.1 device operation (full-speed), and SDRAM interfacing with programmable burst lengths and CAS latency.

Power management is handled by the DPLL Clock and Power Control Module, supporting dynamic frequency scaling and multiple low-power modes. The External Interface Module (EIM) provides configurable chip-select timing for NOR flash, SRAM, and peripherals, while the AIPI bus bridges AHB and IP-level peripherals including DMA, timers, and serial interfaces.

Key Specifications

Pinout & Package

MC9328MXLDVM20 is housed in a 225-ball MAPBGA (Mold Array Process-Ball Grid Array) package, Case 1304B-01, with 1.0 mm ball pitch and 13 mm × 13 mm body size. Ball assignments follow Freescale's documented signal multiplexing scheme, where each ball serves one primary function (e.g., LD[15:0], SDCLK, USB_VP) and may support alternate GPIO or debug roles via register configuration.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar applications processor applications.

Compared with i.MX21 MC9328MX21DVM20 and AT91SAM9260, the MC9328MXLDVM20 offers superior cost-optimized integration for LCD-centric portable devices but lacks hardware crypto and Ethernet - making it ideal for legacy media players and non-networked HMIs where bill-of-materials minimization is critical.

Availability

MC9328MXLDVM20 is available at Aetrix Electronics and suitable for handheld media players, industrial HMI terminals, and digital photo frames requiring stable component supply across long-lifecycle production programs.

Supply support for MC9328MXLDVM20 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

NXP Semiconductors (acquired Freescale in 2015) is a global semiconductor leader focused on secure connectivity solutions for automotive, industrial, and IoT markets.

The i.MX family, including MC9328MXLDVM20, was designed specifically for personal portable electronics - balancing ARM performance, multimedia peripherals, and power efficiency in space-constrained battery-powered devices.

FAQ

What is the maximum supported SDRAM capacity for MC9328MXLDVM20?

The MC9328MXLDVM20 SDRAM controller supports up to 256 MB of total memory using four banks of 64 MB each. It interfaces with standard x16 or x32 SDRAM parts operating at 100 MHz, with programmable CAS latency (2 or 3), burst length (1–4), and row/column address timing. This capacity is sufficient for Linux kernel + root filesystem + application binaries in typical handheld deployments.

Does MC9328MXLDVM20 support NAND flash boot?

No, MC9328MXLDVM20 does not support NAND flash boot. Its BOOT[3:0] configuration only enables boot from NOR flash, SD/MMC card, or UART download. NAND boot capability was introduced in later i.MX processors like the i.MX27 and i.MX31. For NAND-based storage, the MC9328MXLDVM20 must use the MMC/SD host controller or EIM interface with external NAND controller logic.

What are the key power sequencing requirements for MC9328MXLDVM20?

MC9328MXLDVM20 requires strict power-up sequencing: QVDD (core) must be stable before NVDD (I/O) and AVDD (analog); all supplies must reach regulation before RESET_IN is deasserted. Power-down follows reverse order. These constraints are defined in Freescale Application Note AN2537 and must be enforced via dedicated PMIC or discrete supervisor circuits to prevent latch-up or undefined state.

Can MC9328MXLDVM20 operate with a 3.3 V core supply?

No, MC9328MXLDVM20 requires QVDD between 1.8 V and 2.0 V when operating at 200 MHz. A 3.3 V core supply would exceed absolute maximum ratings and cause immediate device failure. The 3.3 V rating applies only to NVDD (I/O) and AVDD (analog) pins. Core voltage must be supplied by a dedicated low-noise 1.9 V ±50 mV regulator.

Is the USB interface on MC9328MXLDVM20 compliant with USB 2.0 specifications?

No, the USB interface on MC9328MXLDVM20 is USB 1.1 Full-Speed (12 Mbps) only. It lacks the transceiver circuitry and protocol stack support for USB 2.0 High-Speed (480 Mbps) operation. All USB functionality - including enumeration, control transfers, and bulk endpoints - conforms strictly to USB 1.1 specification, as verified in the MC9328MXL Technical Data Rev. 8.