NXP Semiconductors KMPC8245LZU350D

Overview

KMPC8245LZU350D from NXP Semiconductors (formerly Freescale) is a 32-bit PowerPC™ MPC603e-based integrated processor combining a superscalar CPU core with PCI bridge, SDRAM memory controller, dual UARTs, DMA, I2C, and interrupt controllers in a single TBGA package. It operates at up to 350 MHz CPU frequency, supports 66 MHz PCI bus and 100 MHz memory bus, and targets embedded control systems requiring high integration and deterministic real-time response - such as telecom line cards and industrial automation gateways.

For engineers reviewing the KMPC8245LZU350D datasheet, KMPC8245LZU350D pinout, KMPC8245LZU350D application, or KMPC8245LZU350D equivalent, key selection criteria include confirmed 350 MHz CPU operation under 2.0–2.1 V core supply, 32-bit PCI 2.2 compliance with 5.0-V tolerance, ECC-capable SDRAM interface supporting up to 2 GB, dual-channel DMA with scatter-gather, and JTAG/COP debug support for firmware development and system validation.

Technical Context

The KMPC8245LZU350D integrates a full-featured MPC603e core (16-Kbyte instruction cache, 16-Kbyte data cache, FPU, MMU, dynamic power management) with tightly coupled peripheral logic via a 64-bit internal bus. Core and peripheral logic operate on independent PLLs - enabling asynchronous clock domains while maintaining coherency through snooping and store-gathering mechanisms.

Its memory controller supports programmable SDRAM timing, 32-/64-bit data paths, up to eight banks of 16–512-Mbit devices, and configurable parity/ECC protection. The PCI interface implements dual address cycle (DAC), inbound/outbound address translation units (ATUs), hardware-enforced coherency, and master/agent mode - allowing direct use as host or endpoint in legacy PCI subsystems.

Key Specifications

Pinout & Package

Package: 352-ball Tape Ball Grid Array (TBGA), 19 mm × 19 mm, 1.27 mm ball pitch, lead-free, thermally enhanced for embedded applications requiring high I/O density and board-level reliability.

Key Features

Applications

Equivalent & Alternatives

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

Compared with KMPC8245LZU350D, MPC8247LZU333D trades 17 MHz peak CPU speed for reduced thermal load and power draw, while MPC8272LZU333D retains full 333 MHz capability but adds hardware crypto acceleration - making it suitable for secure edge nodes where KMPC8245LZU350D would require software-based encryption overhead.

Availability

KMPC8245LZU350D is available at Aetrix Electronics and suitable for telecom infrastructure, industrial control gateways, and medical imaging subsystems requiring stable component supply, long-lifecycle support, and verified thermal performance in convection-cooled enclosures.

Supply support for KMPC8245LZU350D 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 markets, with deep heritage in Power Architecture™ processors from its Freescale acquisition.

KMPC8245LZU350D belongs to the MPC824x integrated processor family, designed specifically for cost-sensitive, high-reliability embedded systems that demand PCI-based peripheral expansion, deterministic real-time response, and minimal external component count.

FAQ

What is the maximum guaranteed CPU frequency for KMPC8245LZU350D?

The KMPC8245LZU350D is binned and tested to operate reliably at up to 350 MHz CPU frequency under recommended conditions: VDD/AVDD/AVDD2 = 2.0–2.1 V ±100 mV, ambient temperature ≤105°C, and proper supply sequencing. This rating is confirmed by Freescale's hardware specification Rev. 10 and reflected in the "350" suffix of the part number KMPC8245LZU350D.

Does KMPC8245LZU350D support ECC for SDRAM memory?

Yes, KMPC8245LZU350D supports ECC protection on its SDRAM interface via configurable data-path parity/ECC logic. The memory controller allows selection between normal parity, read-modify-write (RMW), or full ECC mode - with dedicated ECC syndrome generation and correction circuitry integrated into the data path, as documented in Section 3 of the MPC8245 Hardware Specifications.

Can KMPC8245LZU350D operate as both PCI host and PCI agent?

Yes, KMPC8245LZU350D supports both PCI host and PCI agent modes. Its PCI interface includes dual address cycle (DAC) capability, inbound/outbound address translation units (ATUs), and configurable BARs - enabling it to initiate transactions as a host or respond to them as an agent, as specified in Section 2.2 of the MPC8245UM reference manual.

What debug interfaces does KMPC8245LZU350D provide?

KMPC8245LZU350D provides IEEE Std 1149.1® (JTAG) test access port and COP (Controller On Processor) interface for real-time debugging, boundary scan, and in-circuit emulation. Additional debug features include watchpoint facility, MIV signal for memory bus cycle marking, and programmable I/O with debug attribute signals - all detailed in Section 5 of the MPC8245 Hardware Specifications.

Is KMPC8245LZU350D pin-compatible with other MPC824x variants?

Yes, KMPC8245LZU350D uses the same 352-ball TBGA package and pinout as all MPC824x family members including MPC8241, MPC8247, and MPC8272. This enables drop-in replacement across speed grades and feature sets - though firmware and PLL configuration may require adjustment to match the specific variant's capabilities and timing constraints.