NXP Semiconductors MC908LD64IFUE

Overview

MC908LD64IFUE from NXP Semiconductors (formerly Freescale) is an 8-bit HCS08 core microcontroller with 64 KB on-chip Flash, 2 KB RAM, and integrated USB 1.1 device controller, ADC, PWM, TIM, I²C, DDC12AB, OSD, and sync processor - designed for embedded display control in consumer electronics and industrial HMIs.

For engineers reviewing the MC908LD64IFUE datasheet, MC908LD64IFUE pinout, MC908LD64IFUE application, or MC908LD64IFUE equivalent, this page delivers verified technical context, real-world use cases, validated alternatives, and supply-chain-ready procurement support - all grounded in Freescale's Rev. 3.0 datasheet and official ordering information.

Technical Context

The MC908LD64IFUE implements the HCS08 CPU core with 20 MHz max bus frequency, supporting wait/stop low-power modes and a COP watchdog. Its Clock Generator Module integrates PLL-based clock synthesis with programmable multiplication (×1 to ×32) and dual output clocks (DCLK1/DCLK2) for synchronous peripheral operation.

It features a dedicated On-Screen Display (OSD) subsystem with 2 KB of dedicated Flash font memory, row/column addressing, attribute-based character rendering, and hardware windowing - coupled with a Sync Processor that detects and generates H/V sync signals, polarity, clamp pulses, and vertical frequency detection for analog video timing alignment.

Key Specifications

Pinout & Package

MC908LD64IFUE is housed in a 64-pin LQFP package (10 mm × 10 mm, 0.5 mm pitch) with exposed thermal pad. Pin functions are defined per Freescale MC68HC908LD64 Rev. 3.0 Section 1.5 (Pin Assignments) and Section 1.6 (Pin Functions).

Key Features

Applications

Equivalent & Alternatives

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

Compared with MC908LD64IFUE, MC908LJ12CFUE sacrifices video-specific peripherals for cost reduction, while S9KEAZ128AMLH trades hardware-accelerated OSD/sync for broader ARM ecosystem support - making MC908LD64IFUE uniquely optimized for analog display control where timing precision and hardware offload are critical.

Availability

MC908LD64IFUE is available at Aetrix Electronics and suitable for consumer TV OSD control, industrial panel HMIs, monitor DDC/CI management, and embedded video signal generation requiring stable component supply and long-term production continuity.

Supply support for MC908LD64IFUE 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 is a global semiconductor leader focused on secure connectivity solutions for automotive, industrial, and IoT applications - formed from the spin-off and acquisition of Freescale Semiconductor in 2015.

The MC908LD64IFUE belongs to the legacy HCS08 microcontroller family, specifically engineered for cost-effective, low-power embedded display control - integrating video timing, overlay, and interface logic into a single chip for analog video systems.

FAQ

What is the maximum operating frequency of the MC908LD64IFUE?

The MC908LD64IFUE supports a maximum bus frequency of 20 MHz, derived from its internal PLL-based Clock Generator Module (CGM). This frequency is achieved using an external 1–8 MHz crystal on OSC1/OSC2, multiplied via programmable PLL settings. The HCS08 core executes most instructions in 1–2 bus cycles, enabling deterministic real-time performance for display timing-critical tasks in the MC908LD64IFUE.

Does the MC908LD64IFUE include an integrated USB transceiver?

Yes, the MC908LD64IFUE integrates a full-speed USB 1.1 device controller with physical layer transceiver circuitry. It supports USB_DP and USB_DM pins directly, requiring only standard USB termination resistors and no external PHY. The MC908LD64IFUE implements endpoint 0 (control) and endpoint 1 (bulk/interrupt), enabling HID-class interfaces and firmware updates without additional silicon.

How does the Sync Processor in the MC908LD64IFUE handle NTSC vs. PAL video standards?

The Sync Processor in the MC908LD64IFUE automatically detects NTSC (59.94 Hz field rate) and PAL (50 Hz field rate) through its Low Vertical Frequency Detect feature and H/V sync polarity analysis. It configures internal counters and output timing accordingly, allowing the MC908LD64IFUE to generate correctly phased HOUT/VOUT signals and align OSD rendering without firmware intervention - critical for multi-standard display products.

Can the MC908LD64IFUE's OSD engine render graphics, or only text characters?

The MC908LD64IFUE's OSD engine supports both text and bitmap graphics. Its 2 KB dedicated OSD Flash font memory stores user-defined glyphs (up to 256 characters), while the screen memory map allows pixel-level control via attribute registers and windowing. Graphics are rendered in hardware using the same pipeline as text - enabling logos, icons, and progress bars without CPU rendering overhead in the MC908LD64IFUE.

What debug and programming interfaces does the MC908LD64IFUE support?

The MC908LD64IFUE supports background debug mode (BDM) via a single-wire interface (BKGD pin), compatible with standard Freescale/NXP BDM debuggers. It also includes a Monitor ROM (MON) accessible via UART for in-system programming and bootloader functionality. These interfaces allow full flash programming, breakpoint debugging, and memory inspection without requiring external JTAG hardware - streamlining development and field firmware updates for the MC908LD64IFUE.