NXP Semiconductors MPC8377EVRALG

Overview

MPC8377EVRALG from NXP Semiconductors (formerly Freescale) is a PowerQUICC II Pro communications processor integrating an e300c4s Power Architecture core, dual 10/100/1000 Mbps Ethernet controllers (eTSEC), DDR1/DDR2 SDRAM controller, PCI and PCI Express ×1 interfaces, USB 2.0 dual-role controller, and optional SEC 3.0 security engine - deployed as main CPU or I/O processor in industrial controllers, network access servers, and intelligent NICs.

For engineers reviewing the MPC8377EVRALG datasheet, MPC8377EVRALG pinout, MPC8377EVRALG application, or MPC8377EVRALG equivalent, this page delivers verified functional identity, validated package mapping (PBGA-783), confirmed electrical specs (1.0 V core @ 667 MHz), real-world interface timing (RGMII/PCIe/SATA), and two field-validated alternative parts for embedded networking and industrial control designs.

Technical Context

The MPC8377EVRALG implements a superscalar e300c4s core with 32 KB L1 instruction and 32 KB L1 data caches, floating-point unit, and dual integer units - operating at up to 667 MHz with 1.0 V ±50 mV core supply. Its memory subsystem supports DDR1 (2.5 V) and DDR2 (1.8 V) SDRAM at up to 400 MHz data rate across 32-/64-bit interfaces with 4 chip selects and 32 open pages.

Peripherals include two IEEE 802.3-compliant eTSECs supporting RGMII/RTBI/MII/RMII, a PCI 2.3-compliant 32-bit 66 MHz bus, two PCI Express 1.0a ×1 links (root complex or endpoint), dual SATA 2.5 Rev controllers (1.5/3.0 Gb/s), and an optional SEC 3.0 crypto accelerator handling DES/3DES/AES/SHA-1/MD5.

Key Specifications

Pinout & Package

Packaged in a 29 mm × 29 mm PBGA-783 (plastic ball grid array) with 1.0 mm ball pitch, MPC8377EVRALG uses a thermally enhanced land-grid layout optimized for industrial temperature operation (–40°C to +125°C junction).

Key Features

Applications

Equivalent & Alternatives

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

Compared with MPC8378EVRALG and MPC8379EVRALG, the MPC8377EVRALG uniquely balances dual SATA, dual PCIe ×1, and dual eTSEC - making it the only variant suitable for converged networking/storage edge appliances requiring both high-speed serial expansion and local disk I/O.

Availability

MPC8377EVRALG is available at Aetrix Electronics and suitable for industrial controllers, network access servers, and intelligent NICs requiring stable component supply, long-term lifecycle support, and traceable sourcing for production programs.

Supply support for MPC8377EVRALG 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 acquired Freescale in 2015 and maintains full support for the PowerQUICC II Pro family, delivering automotive-grade reliability and industrial temperature qualification.

The MPC8377EVRALG belongs to the PowerQUICC II Pro processor line - designed specifically for cost-sensitive, low-power embedded networking and industrial control applications requiring integrated security, multi-gigabit I/O, and software compatibility with legacy PowerQUICC designs.

FAQ

What is the maximum DDR2 data rate supported by the MPC8377EVRALG?

The MPC8377EVRALG DDR2 interface supports up to 400 MHz data rate (200 MHz clock) with 1.8 V GVDD supply. This enables peak bandwidth of 6.4 GB/s on a 32-bit interface or 12.8 GB/s on a 64-bit interface - sufficient for real-time video buffering in industrial vision systems. The controller supports up to 4 chip selects and 32 simultaneous open pages to maximize memory throughput efficiency in the MPC8377EVRALG.

Does the MPC8377EVRALG support IEEE 1588 Precision Time Protocol?

Yes, both eTSEC controllers in the MPC8377EVRALG fully comply with IEEE 1588™ standards for precision time synchronization. Each eTSEC provides hardware timestamping for ingress/egress packets, configurable PTP event message handling, and sub-100 ns timestamp resolution - critical for time-sensitive networking in industrial PLCs and substation automation. This capability is natively implemented in the MPC8377EVRALG silicon and requires no external timing ICs.

What power supply sequencing is required for reliable MPC8377EVRALG startup?

The MPC8377EVRALG requires strict power sequencing: VDD and AVDD (core/PLL) must reach 90% of nominal value before GVDD, LVDD, and OVDD (I/O supplies) rise above 10%. Failure to follow this sequence risks I/O contention and excessive current draw. The SerDes supply L[1,2]_nVDD must track VDD timing. This sequencing is enforced in production designs using dedicated PMICs like the NCP5392 or discrete RC-delay circuits tied to PORESET assertion in the MPC8377EVRALG.

Can the MPC8377EVRALG operate in PCI host mode with a 66 MHz PCI bus?

Yes, the MPC8377EVRALG PCI controller is fully compliant with PCI Specification Revision 2.3 and supports 32-bit operation at up to 66 MHz in host mode. It provides on-chip arbitration for up to 5 external masters, selectable coherency enforcement, and PCI Power Management 1.2 D0–D3hot states. When configured as host, CLKIN serves as the PCI clock source - and must meet AC specs: 25–66.666 MHz frequency, ±150 ps jitter, and 40–60% duty cycle per the MPC8377EVRALG hardware specifications.

Is the security engine in the MPC8377EVRALG enabled by default?

No, the SEC 3.0 security engine in the MPC8377EVRALG is optional and enabled only when the "E" suffix is present in the part number - which it is (MPC8377EVRALG). It is not software-configurable to be disabled; however, its crypto channels remain idle until explicitly invoked by software via memory-mapped registers. The engine supports DES/3DES/AES/SHA-1/MD5 and is used in production for IPSec offload in VPN routers based on the MPC8377EVRALG.