KMC7448HX1267ND

The KMC7448HX1267ND is a single-core PowerPC G4 microprocessor from NXP Semiconductors, part of the MC7448 series. It operates at 1.267 GHz and implements Power Architecture/PowerPC instructions, making it suitable for networking and computing systems applications.

Designed for embedded and consumer-class systems, this device integrates a high-performance core with a 1‑Mbyte L2 cache, double-precision floating-point unit and SIMD multimedia capabilities, and provides platform features such as bus protocol support, thermal and power management, and debug interfaces to aid system integration.

Key Features

• Core & Performance — PowerPC G4 single core running at 1.267 GHz with a 32-bit bus width, offering a superscalar architecture for embedded compute tasks.
• Cache Architecture — Integrated 1‑Mbyte L2 cache; on-chip 32‑Kbyte instruction and 32‑Kbyte data caches as part of the core memory subsystem to reduce external memory bandwidth requirements.
• Floating‑Point & Multimedia — Double‑precision floating‑point unit and SIMD multimedia (AltiVec) unit to accelerate signal and media processing workloads.
• System Interfaces — Memory subsystem supports the MPX bus protocol and a subset of the 60x bus protocol for main memory and system resource access; includes JTAG/COP debug interface and performance monitoring features.
• Thermal & Power Management — On‑chip thermal and power management features to assist system-level thermal control and power budgeting.
• Packaging & Mounting — 360‑pin FCCBGA (25×25) surface‑mount package; supplied in tray packaging for board assembly workflows.
• Operating Range & Qualification — Consumer qualification with an operating temperature range of 0 °C to 105 °C.

Typical Applications

• Networking Equipment — Engineered for networking and communications platforms that require PowerPC G4 processing and integrated memory subsystems.
• Compute Appliances — Suited to embedded computing systems that benefit from a 1.267 GHz core and on‑chip caches for responsive processing.
• Multimedia and Signal Processing — SIMD multimedia unit and double‑precision FPU help accelerate media, DSP and vector workloads in consumer embedded devices.
• Consumer Embedded Systems — Consumer‑qualified device for embedded applications where thermal management and platform integration are important.

Unique Advantages

• Integrated high‑performance core: A 1.267 GHz PowerPC G4 single core combined with 1‑Mbyte L2 cache reduces external memory dependence and simplifies board-level design.
• Vector and floating‑point acceleration: SIMD multimedia unit and double‑precision FPU provide hardware acceleration for media and numeric algorithms, improving throughput for those workloads.
• Platform connectivity: Support for MPX and a subset of 60x bus protocols eases interface to main memory and system resources in custom system architectures.
• Design and debug support: Built‑in JTAG/COP and performance monitor capabilities enable efficient bring‑up, profiling and system optimization.
• Thermal and power controls: Integrated thermal/power management features help control operating temperature and power consumption in deployed systems.
• Assembly and deployment readiness: 360‑FCCBGA (25×25) surface‑mount package in tray format supports standard board assembly processes.

Why Choose KMC7448HX1267ND?

The KMC7448HX1267ND delivers a balanced combination of single‑core PowerPC G4 performance, on‑chip cache and multimedia acceleration targeted at networking and computing system designs. Its platform features—bus protocol support, debug interfaces and thermal/power management—help reduce system integration effort and accelerate development.

As a consumer‑qualified device from NXP Semiconductors within the MC7448 family, it is appropriate for embedded designers seeking a documented Power Architecture processor with on‑chip resources for media and compute tasks. The device’s packaging and operating range support common board assembly and deployment scenarios for consumer and embedded applications.

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