NXP Semiconductors MPC8545EVJANGD

Overview

MPC8545EVJANGD from NXP Semiconductors (formerly Freescale) is a PowerQUICC III integrated communications processor featuring a 32-bit e500v2 core, 512-Kbyte on-chip L2 cache/SRAM with full ECC, dual DDR/DDR2 memory controller (64-bit, up to 16 Gbytes), and four enhanced three-speed Ethernet controllers (10/100/1000 Mbps). It targets high-reliability network infrastructure applications including enterprise routers, carrier-grade switches, and secure gateways.

For engineers reviewing the MPC8545EVJANGD datasheet, MPC8545EVJANGD pinout, MPC8545EVJANGD application, or MPC8545EVJANGD equivalent, key selection criteria include its 1.1 V core supply, 133 MHz local bus interface, PCI/PCI-X and Serial RapidIO™ interconnect support, hardware-accelerated security engine (SEC), and thermal operation up to 105°C junction temperature.

Technical Context

The MPC8545EVJANGD implements the e500v2 core with 32-Kbyte L1 instruction and data caches (parity-protected), SPE and double-precision floating-point APUs, and a 36-bit real addressing MMU optimized for embedded networking. Its integrated DDR/DDR2 memory controller supports programmable timing, four banks, and on-die termination for DDR2.

It integrates a programmable interrupt controller compliant with OpenPIC architecture, dual I²C controllers, boot sequencer with CRC-verified serial ROM loading, and a 4-channel DMA controller with scatter-gather and misaligned transfer support. The device supports multiple high-speed interconnects including PCI Express 1.0a (x1–x8), Serial RapidIO™ 1.2 (1.25–3.125 Gbaud), and two PCI/PCI-X controllers.

Key Specifications

Pinout & Package

Package: 783-pin PBGA (35 mm × 35 mm, 1.0 mm pitch), RoHS-compliant, lead-free. Thermal pad on underside for heatsink attachment. Pinout validated per MPC8548EEC Rev. 10 documentation - applicable to MPC8545E family due to shared package and signal mapping.

Key Features

Applications

Equivalent & Alternatives

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

Compared with MPC8548EVJANGD, the MPC8545EVJANGD offers lower power and cost at slightly reduced frequency headroom, while the T1022NSEKFKB shifts to ARM architecture with modern packet acceleration but requires full firmware re-architecture.

Availability

MPC8545EVJANGD is available at Aetrix Electronics and suitable for enterprise routers, carrier-grade switches, and secure VPN gateways requiring stable component supply, extended lifecycle support, and industrial-temperature qualification.

Supply support for MPC8545EVJANGD 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 networking markets, with roots in Freescale's PowerQUICC lineage.

The MPC8545EVJANGD belongs to the PowerQUICC III family - designed specifically for high-performance, low-latency communications processing in carrier and enterprise infrastructure where deterministic real-time response and hardware-accelerated security are critical.

FAQ

What is the maximum DDR2 memory capacity supported by the MPC8545EVJANGD?

The MPC8545EVJANGD supports up to 16 Gbytes of DDR2 SDRAM using its 64-bit memory interface across four independent banks. Each bank accommodates DRAM chips from 64 Mbits to 4 Gbits with ×8 or ×16 data widths, and full ECC protection is implemented on 64-bit boundaries. This capacity enables large-scale routing table storage and deep packet buffering in carrier-class systems.

Does the MPC8545EVJANGD include hardware encryption acceleration?

Yes, the MPC8545EVJANGD integrates a dedicated Security Engine (SEC) with AES-128/192/256, DES/3DES, SHA-1/256, MD5, RSA-2048, and elliptic curve cryptography units. It processes IPSec, SSL/TLS, and 3GPP protocols in hardware, achieving up to 1.2 Gbps encrypted throughput without consuming e500v2 core cycles - confirmed in MPC8548EEC Rev. 10 Section 5.

What are the power supply sequencing requirements for the MPC8545EVJANGD?

The MPC8545EVJANGD requires strict power-up sequencing: VDD, AVDD, BVDD, LVDD, OVDD, SVDD, TVDD, and XVDD must stabilize within 50 ms before GVDD ramps. This prevents indeterminate DDR I/O states and ensures reliable MCKE assertion. Failure to follow this sequence may cause boot failure or latent memory corruption - detailed in MPC8548EEC Rev. 10 Section 2.2.

Can the MPC8545EVJANGD operate in environments exceeding 85°C ambient temperature?

Yes, the MPC8545EVJANGD is rated for 0°C to 105°C junction temperature. When mounted with appropriate thermal interface material and heatsink, it supports ambient temperatures up to 85°C in sealed enclosures - validated under Typical-105 power conditions (13.6 W at 1333 MHz) in MPC8548EEC Rev. 10 Table 4.

Is the MPC8545EVJANGD pin-compatible with other PowerQUICC III processors like the MPC8548E?

Yes, the MPC8545EVJANGD shares the same 783-pin PBGA package, pin assignment, and signal multiplexing as the MPC8548E and MPC8547E. All share identical power, clock, reset, and interface pin definitions - explicitly confirmed in MPC8548EEC Rev. 10 Section 19 and Overview text stating "most material applies to other family members" with pinout differences "identified as such" (none cited for MPC8545E).