NXP Semiconductors MPC8544EVTAQGA

Overview

MPC8544EVTAQGA from NXP Semiconductors (formerly Freescale) is a high-performance PowerQUICC III integrated processor featuring an e500v2 32-bit Power Architecture core, 256-Kbyte on-chip L2 cache/SRAM with full ECC, dual 10/100/1000-Mbps Ethernet controllers (eTSEC), PCI Express ×4/×4/×1 interfaces, and integrated security engine supporting AES, DES, SHA, RSA, and RNG. It operates at up to 1.067 GHz core frequency with 1.0 V core supply and targets network edge routing, industrial control gateways, and secure communications platforms.

For engineers reviewing the MPC8544EVTAQGA datasheet, MPC8544EVTAQGA pinout, MPC8544EVTAQGA application, or MPC8544EVTAQGA equivalent, key selection criteria include its dual eTSEC support with TCP/IP offload, hardware-accelerated cryptographic processing, DDR2 SDRAM controller with 64-bit interface and ECC, PCI Express root complex/endpoint flexibility, and 783-pin FC-PBGA package with strict power sequencing requirements.

Technical Context

The MPC8544EVTAQGA implements the e500v2 core with 32-Kbyte L1 instruction and data caches (parity-protected), 36-bit real addressing, MMU supporting 4-Kbyte–4-Gbyte page sizes, and SPE/FP APUs for vector and floating-point operations. Its memory subsystem integrates a flexible 256-Kbyte L2 cache/SRAM with eight-way set-associative organization, ECC on 64-bit boundaries, and stashing capability for external master-initiated cache allocation.

Connectivity includes two IEEE 802.3-compliant eTSECs with GMII/RGMII/SGMII PHY support, three PCI Express links (two ×4, one ×1, PCI Express 1.0a), a 32-bit PCI 2.2 host/agent interface, 64-bit DDR/DDR2 SDRAM controller (up to 16 Gbytes), and dual I²C, DUART, and local bus controllers. The integrated security engine provides four crypto-channels with dedicated AESU, DEU, MDEU, PKEU, and RNG units.

Key Specifications

Pinout & Package

Package: 783-pin FC-PBGA (29 mm × 29 mm, 1.0-mm ball pitch), RoHS-compliant, with thermal pad on underside for enhanced heat transfer to PCB ground plane.

Key Features

Applications

Equivalent & Alternatives

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

Compared with MPC8544EVTAQGA, MPC8548EVTAGGA offers higher performance and cache capacity in identical packaging for drop-in upgrades, while LS1023A represents a platform shift toward ARM-based QorIQ with modern power efficiency and software support-but lacks native Power ISA compatibility and integrated SEC acceleration.

Availability

MPC8544EVTAQGA is available at Aetrix Electronics and suitable for industrial routers, secure VPN gateways, telecom access nodes, and network-attached storage controllers requiring stable component supply, long-lifecycle assurance, and traceable sourcing for production programs.

Supply support for MPC8544EVTAQGA 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, with heritage in Freescale's PowerQUICC portfolio.

The MPC8544EVTAQGA belongs to the PowerQUICC III family-designed specifically for embedded networking and communications infrastructure requiring integrated processing, security, and multi-standard connectivity in a single SoC.

FAQ

What is the maximum DDR2 memory capacity supported by the MPC8544EVTAQGA?

The MPC8544EVTAQGA supports up to 16 Gbytes of DDR2 SDRAM via its 64-bit memory controller, configured across four banks each capable of 4 Gbytes. This is achieved using x8/x16 DRAM chips ranging from 64 Mbits to 4 Gbits, with full ECC protection and support for registered DIMMs-making MPC8544EVTAQGA suitable for high-reliability storage and packet buffer applications requiring large, error-corrected memory space.

Does the MPC8544EVTAQGA support PCI Express endpoint mode?

Yes, the MPC8544EVTAQGA supports both root complex and endpoint modes across all three PCI Express interfaces (two ×4 and one ×1). Mode selection is programmable per link via configuration registers, enabling flexible system topologies such as MPC8544EVTAQGA acting as a PCIe endpoint attached to a host CPU or as a root complex controlling downstream devices like FPGAs or network adapters-without hardware modification.

How does the integrated security engine in the MPC8544EVTAQGA accelerate IPsec processing?

The MPC8544EVTAQGA's integrated security engine (SEC) accelerates IPsec through dedicated hardware units: AESU handles AES-128/192/256 encryption/decryption in ECB/CBC/CTR/CCM modes; DEU manages DES/3DES; MDEU computes SHA-1/256 and MD5 hashes; and PKEU executes RSA-2048 key exchange. These operate in parallel across four crypto-channels, enabling line-rate IPsec throughput with minimal CPU intervention-verified in MPC8544EVTAQGA reference designs achieving >120 Mbps encrypted throughput.

What are the power supply sequencing requirements for reliable MPC8544EVTAQGA startup?

MPC8544EVTAQGA requires strict power sequencing: VDD, AVDD, BVDD, LVDD, SVDD, OVDD, TVDD, and XVDD must reach 90% of nominal voltage before GVDD ramps. All supplies must stabilize within 50 ms. Violating this sequence-especially applying GVDD before core supplies-can cause DDR initialization failure or undefined reset behavior. The MPC8544EVTAQGA datasheet specifies this as mandatory for guaranteed operation, not advisory.

Can the MPC8544EVTAQGA's L2 cache be used as general-purpose SRAM?

Yes, the MPC8544EVTAQGA's 256-Kbyte L2 memory can be configured as SRAM instead of cache. In SRAM mode, it supports byte-accessible ECC protection using read-modify-write transactions for sub-cache-line accesses, resides at any aligned location in the memory map, and allows I/O devices to access regions via snoopable transactions. This makes MPC8544EVTAQGA ideal for deterministic real-time buffers, shared memory between cores, or safety-critical data structures requiring ECC integrity.