NXP Semiconductors MPC8548CVJAQGD

Overview

MPC8548CVJAQGD from NXP Semiconductors (formerly Freescale) is a Power Architecture®-based integrated communications processor featuring an e500v2 core, 512-Kbyte L2 cache/SRAM, DDR/DDR2 memory controller, four eTSEC Ethernet controllers, dual PCI/PCI-X interfaces, PCI Express x8, Serial RapidIO™, and integrated security engine (SEC). It operates at up to 1.5 GHz core frequency and targets high-performance networking and telecom infrastructure applications including routers, switches, and base station controllers.

For engineers reviewing the MPC8548CVJAQGD datasheet, MPC8548CVJAQGD pinout, MPC8548CVJAQGD application, or MPC8548CVJAQGD equivalent, key selection considerations include its 1.5 GHz e500v2 core performance, hardware-accelerated IPsec/SSL/TLS crypto via SEC, quad 10/100/1000-Mbps Ethernet with TCP/IP offload, and flexible high-speed interconnect options (PCIe, RapidIO, PCI-X) in a 783-pin PBGA package.

Technical Context

The MPC8548CVJAQGD implements a superscalar, out-of-order execution e500v2 core compliant with Power Architecture v2.03, supporting 36-bit real addressing and embedded MMU with 4-Kbyte to 4-Gbyte page sizes. Its memory subsystem integrates a 64-bit DDR/DDR2 SDRAM controller with full ECC, 16-Gbyte max capacity, and on-die termination for DDR2.

System-level connectivity includes four independent eTSECs with GMII/MII/RGMII/RTBI/RMII support, two PCI/PCI-X controllers (one 64-bit up to 133 MHz, one 32-bit up to 66 MHz), PCIe 1.0a root complex or endpoint (x8/x4/x2/x1), and Serial RapidIO 1.2 (1×/4×, 1.25–3.125 Gbaud). The integrated security engine provides dedicated AES, DES/3DES, SHA/MD5, RSA, ECC, and RNG acceleration.

Key Specifications

Pinout & Package

Package: 783-pin, 29 mm × 29 mm, 1.0 mm pitch, RoHS-compliant plastic ball grid array (PBGA) with thermal lid. Designed for industrial temperature range (–40°C to +105°C junction).

Key Features

Applications

Equivalent & Alternatives

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

Compared with MPC8548CVJAQGD, the MPC8548EVTAGD offers lower power and cost at 1.0 GHz but sacrifices 33% peak packet processing throughput, while the MPC8548CZQAGD extends thermal operating range to +125°C at 1.25 GHz-making it suitable for conduction-cooled chassis where the 1.5 GHz MPC8548CVJAQGD would exceed thermal limits.

Availability

MPC8548CVJAQGD is available at Aetrix Electronics and suitable for wireless infrastructure, enterprise routing, industrial gateways, and secure network appliances requiring stable component supply across long product lifecycles.

Supply support for MPC8548CVJAQGD 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 & IoT, mobile, and communication infrastructure markets.

The MPC8548CVJAQGD belongs to the PowerQUICC III family-designed specifically for high-performance, secure, and scalable communications processing in carrier-grade and industrial networking systems.

FAQ

What is the maximum supported DDR2 memory density for MPC8548CVJAQGD?

The MPC8548CVJAQGD supports up to 4 Gbytes per DRAM bank across four banks, enabling a total maximum DDR2 memory capacity of 16 Gbytes. This is achieved using ×8 or ×16 data-port configurations with 64-Mbit to 4-Gbit density chips, and requires proper configuration of the DDR2 controller's timing registers and ATMU windows. The MPC8548CVJAQGD's 64-bit interface and full ECC support ensure integrity in mission-critical telecom buffer applications.

Does MPC8548CVJAQGD support PCIe endpoint mode with MSI interrupt delivery?

Yes, the MPC8548CVJAQGD supports PCIe endpoint mode and Message Signaled Interrupts (MSI) as defined in PCI Express 1.0a specification. MSI is enabled via configuration space register writes and requires proper setup of the MSI capability structure and address/data fields. The MPC8548CVJAQGD's PCIe controller supports up to 32 MSI vectors, and MSI delivery is fully functional in both root complex and endpoint configurations-verified in NXP AN3987 and MPC8548EEC Rev. 10 Section 17.

How does the MPC8548CVJAQGD handle simultaneous RapidIO and PCIe operation?

The MPC8548CVJAQGD does not support simultaneous RapidIO and PCIe operation due to shared SerDes resources and pin multiplexing constraints. Its high-speed I/O pins are configured at reset to operate either as 8-lane PCIe or as 4-lane PCIe plus 4-lane RapidIO-this is selected via POR configuration bits (e.g., PORDEVSEL[1:0]). The MPC8548CVJAQGD's hardware enforces mutual exclusion; attempting concurrent use results in undefined SerDes behavior and link training failure.

What cryptographic algorithms are accelerated by the SEC in MPC8548CVJAQGD?

The MPC8548CVJAQGD's integrated Security Engine (SEC) accelerates AES-128/192/256 (ECB/CBC/CTR/CCM), DES/3DES (ECB/CBC), SHA-1/SHA-256, MD5, HMAC-SHA/MD5, RSA-2048, elliptic curve cryptography (F2m/Fp up to 511 bits), Kasumi (F8/F9), A5/3, GEA-3, and ARC4 (RC4) algorithms. These are executed in dedicated hardware units (AESU, DEU, MDEU, PKEU, KEU, AFEU) with zero CPU intervention-confirmed in MPC8548EEC Rev. 10 Section 1.1.5 and NXP Application Note AN3647.

Can MPC8548CVJAQGD boot directly from SPI flash without external I2C EEPROM?

No, the MPC8548CVJAQGD requires I2C-connected serial EEPROM (or compatible I2C ROM) for primary boot configuration. Its boot sequencer loads initial configuration data-including reset vector, DDR timing, and ATMU settings-from I2C address 0x50–0x57 during reset. While the Local Bus can interface with SPI flash for runtime firmware storage, the MPC8548CVJAQGD lacks native SPI boot ROM support; booting from SPI flash requires secondary-stage bootloader loaded first from I2C EEPROM.