NXP Semiconductors MPC8377EVRALGA

Overview

MPC8377EVRALGA from Freescale Semiconductor is a PowerQUICC II Pro communications processor featuring the e300c4s Power Architecture core (667 MHz), dual 10/100/1000 Mbps Ethernet controllers (eTSEC), DDR1/DDR2 memory controller (32/64-bit, up to 400 MHz data rate), PCI and PCI Express ×1 interfaces, USB 2.0 dual-role controller, and optional SEC 3.0 security engine. It serves as a main CPU or I/O processor in printing systems, industrial controllers, and network access servers.

For engineers reviewing the MPC8377EVRALGA datasheet, MPC8377EVRALGA pinout, MPC8377EVRALGA application, or MPC8377EVRALGA equivalent, this page delivers verified technical context on its e300c4s core performance, dual eTSEC timing compliance (IEEE 802.3ab/z/1588), DDR2-400 support, PCI Express 1.0a root/endpoint operation, and SEC 3.0 cryptographic acceleration for IPSec and IEEE 802.11i.

Technical Context

The MPC8377EVRALGA integrates an e300c4s core with 32 KB instruction and 32 KB data caches, floating-point unit, and two integer units-enabling deterministic real-time execution in embedded control and networking stacks. Its dual eTSEC controllers support RGMII/MII/RMII/RTBI physical layer interfaces and full IEEE 802.1588 precision time protocol for synchronized packet timestamping.

The DDR1/DDR2 memory controller provides a single 32/64-bit interface with auto-refresh, CKE-based power management, and support for up to 4 chip selects and 32 simultaneous open pages. The integrated PCI Express controller operates in root complex or endpoint mode with MSI/INTx interrupt support and a dedicated four-channel descriptor-based DMA engine per link.

Key Specifications

Pinout & Package

The MPC8377EVRALGA is housed in a 620-pin PBGA package (27 mm × 27 mm, 1.0 mm pitch) with thermal lid and standard JEDEC MO-251 compliance. Pin assignments follow the official Freescale MPC8377EEC Rev. 8 package drawing (Section 22).

Key Features

Applications

Equivalent & Alternatives

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

Compared with MPC8377EVRALGA, MPC8378EVRALGA adds SGMII for optical uplinks but removes SATA, while MPC8379EVRALGA replaces SGMII with quad SATA-making MPC8377EVRALGA the balanced choice for mixed networking/storage edge nodes without optical or high-density storage requirements.

Availability

MPC8377EVRALGA is available at Aetrix Electronics and suitable for industrial controllers, network access servers, and printing systems requiring stable component supply across extended temperature ranges (–40°C to +125°C junction).

Supply support for MPC8377EVRALGA 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

Freescale Semiconductor (now part of NXP Semiconductors) is a fabless semiconductor company specializing in embedded processing, analog, and connectivity solutions for automotive, industrial, and networking markets.

The MPC8377EVRALGA belongs to the PowerQUICC II Pro family, designed specifically for cost-sensitive, low-power communications infrastructure where integration of CPU, security, Ethernet, and memory subsystems reduces board complexity and BOM cost.

FAQ

What is the maximum DDR2 data rate supported by the MPC8377EVRALGA?

The MPC8377EVRALGA supports DDR2 SDRAM at up to 400 MHz data rate (DDR2-400), delivering 6.4 GB/s peak bandwidth on a 64-bit interface. This is confirmed in Section 1.1 of the MPC8377EEC Rev. 8 specification, which states "Support for up to 400-MHz data rate" and specifies 1.8 V ±90 mV GVDD operation for DDR2 mode. The MPC8377EVRALGA achieves this using its integrated DDR1/DDR2 memory controller with on-the-fly CKE power management.

Does the MPC8377EVRALGA include hardware support for IEEE 1588 Precision Time Protocol?

Yes, the MPC8377EVRALGA's dual enhanced three-speed Ethernet controllers (eTSEC) are explicitly IEEE 1588™ compliant, as documented in Section 1.3 of the MPC8377EEC Rev. 8 specification. Each eTSEC provides hardware timestamping for ingress/egress packets with sub-microsecond resolution, enabling precise clock synchronization in industrial Ethernet and time-sensitive networking applications without software intervention.

What interfaces does the MPC8377EVRALGA use for USB 2.0 connectivity?

The MPC8377EVRALGA implements a USB 2.0 dual-role controller supporting both host and device modes via UTMI+ Low Pin Interface (ULPI). As specified in Section 1.2, it requires an external ULPI PHY for physical layer connectivity and supports high-speed (480 Mbps), full-speed (12 Mbps), and low-speed (1.5 Mbps, host-only) operation. The controller is EHCI-compatible in host mode and includes three programmable endpoints for device-mode flexibility.

Is the security engine in the MPC8377EVRALGA enabled by default?

No-the security engine (SEC 3.0) in the MPC8377EVRALGA is optional and enabled only when the "E" suffix is present in the part number, as confirmed by Freescale's ordering information and Section 1.8 of the MPC8377EEC Rev. 8 spec. The MPC8377EVRALGA includes SEC 3.0 hardware, but its activation depends on boot configuration and software initialization; it is not functional out-of-reset without explicit driver enablement and descriptor setup.

What is the recommended power-up sequencing for the MPC8377EVRALGA?

The MPC8377EVRALGA requires strict power sequencing: core supplies (VDD and AVDD) must reach 90% of nominal value before any I/O supplies (GVDD, LVDD, OVDD) rise above 10% of their nominal values, as defined in Section 2.2. Failure to follow this sequence risks I/O contention and excessive current draw. The SerDes supply (L[1,2]_nVDD) must track VDD timing, and PORESET must be asserted before power rails stabilize.