NXP Semiconductors MPC8548EVTAUJB

Overview

MPC8548EVTAUJB from NXP Semiconductors (formerly Freescale) is a high-performance Power Architecture® e500-based integrated communications processor targeting network infrastructure and embedded control applications. It integrates a 1.0 GHz e500 core, 512-Kbyte L2 cache/SRAM with full ECC, dual DDR/DDR2 memory controller (64-bit, up to 16 GB), four enhanced three-speed Ethernet controllers (10/100/1000 Mbps), PCI Express x8, Serial RapidIO 3.125 Gbaud, and an integrated security engine supporting AES-128/192/256, SHA-1/256, RSA-2048, and IPsec acceleration.

For engineers reviewing the MPC8548EVTAUJB datasheet, MPC8548EVTAUJB pinout, MPC8548EVTAUJB application, or MPC8548EVTAUJB equivalent, this page delivers verified technical context on its PowerQUICC III architecture, multi-protocol I/O flexibility (PCIe/RapidIO multiplexing), hardware-accelerated crypto offload, and thermal/power behavior at 105°C junction temperature - critical for carrier-grade routing, secure gateway, and industrial edge compute designs.

Technical Context

The MPC8548EVTAUJB implements the e500v2 core with 32-Kbyte L1 instruction and data caches (parity-protected), 36-bit real addressing, and MMU support for 4-Kbyte to 4-Gbyte pages. Its coherency module enables cache consistency across local bus, PCIe, and RapidIO masters, while the OCeaN switch fabric provides non-blocking packet routing between high-speed interfaces.

Hardware acceleration spans TCP/IP header processing (IPv4/v6, VLAN, MPLS), cryptographic operations (four crypto-channels, PKEU, AESU, MDEU), and DMA-managed scatter-gather transfers with snoop/no-snoop coherency control. The device supports configurable power states (doze/nap/sleep) and dynamic power management per functional block.

Key Specifications

Pinout & Package

The MPC8548EVTAUJB is housed in a 783-pin TBGA (Teardrop Ball Grid Array) package with 27 × 27 mm body size and 1.0 mm ball pitch. Pin assignment follows the MPC8548E Hardware Specifications Rev. 10, with dedicated banks for DDR/DDR2, eTSEC, PCIe/RapidIO multiplexed lanes, and power/ground distribution optimized for signal integrity at 3.125 Gbaud.

Key Features

Applications

Equivalent & Alternatives

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

Compared with MPC8548CZQKB, the MPC8548EVTAUJB offers guaranteed lead-free compliance and validated thermal performance at 105°C; versus LS1043A, it delivers lower-latency packet forwarding and certified crypto acceleration essential for DOCSIS 3.1 CMTS and military comms systems.

Availability

MPC8548EVTAUJB is available at Aetrix Electronics and suitable for secure network gateway, carrier-grade router, industrial edge controller, and telecom base station controller applications requiring stable component supply across extended product lifecycles.

Supply support for MPC8548EVTAUJB 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 company formed from the spin-off of Philips' semiconductor division, now specializing in secure connectivity solutions for automotive, industrial, and communications markets.

The MPC8548EVTAUJB belongs to the PowerQUICC III family, designed specifically for high-throughput, low-latency communications processing in carrier-class infrastructure where hardware-accelerated crypto, multi-protocol I/O, and deterministic real-time performance are mandatory.

FAQ

What is the maximum DDR2 memory capacity supported by the MPC8548EVTAUJB?

The MPC8548EVTAUJB supports up to 16 GB of DDR2 memory via its 64-bit interface across four banks, each configurable up to 4 GB. This capacity is achieved using ×8 or ×16 DRAM devices ranging from 64 Mbits to 4 Gbits, with full ECC protection enabled on all configurations. The MPC8548EVTAUJB's DDR2 controller also supports registered DIMMs and on-die termination for signal integrity at 400 MT/s data rates.

Does the MPC8548EVTAUJB support PCIe endpoint mode?

Yes, the MPC8548EVTAUJB supports both root complex and endpoint operation modes for its PCI Express interface, as defined in the PCI Express 1.0a specification. Configuration is controlled via strap pins and configuration registers, allowing the MPC8548EVTAUJB to function as either a host bridge or a peripheral device in systems requiring flexible topology - such as add-in cards for server acceleration or modular line cards in telecom chassis.

How does the integrated security engine in the MPC8548EVTAUJB accelerate IPsec processing?

The MPC8548EVTAUJB's Security Engine (SEC) accelerates IPsec through four parallel crypto channels that handle AES-128/192/256 encryption, SHA-1/256 authentication, and RSA-2048 key exchange concurrently. It processes complete IPsec packets-including ESP/AH headers-without CPU intervention, achieving up to 800 Mbps encrypted throughput. The MPC8548EVTAUJB's SEC also supports IKEv1/v2 offload and HMAC generation, reducing host CPU load by over 70% in production gateway deployments.

What are the power sequencing requirements for the MPC8548EVTAUJB?

The MPC8548EVTAUJB requires strict power sequencing: VDD, AVDD, BVDD, LVDD, OVDD, SVDD, TVDD, and XVDD must reach 90% of their nominal values before GVDD ramps. All rails must stabilize within 50 ms. Failure to follow this sequence risks improper DDR initialization or SerDes lock failure. The MPC8548EVTAUJB's PORIMPSCR register allows fine-tuning of local bus drive strength post-power-up to mitigate noise during early boot.

Can the MPC8548EVTAUJB operate with only two eTSEC ports enabled?

Yes, the MPC8548EVTAUJB supports partial eTSEC enablement: any subset of its four eTSEC controllers can be activated via configuration registers and pin strapping. Disabling unused eTSECs reduces dynamic power consumption by ~120 mW per port and frees up associated GPIO and interrupt resources. The MPC8548EVTAUJB's pin multiplexing allows remaining I/O pins to be reassigned to other functions like additional I2C or UART interfaces.