NXP Semiconductors KMPC8377ECVRALG

Overview

KMPC8377ECVRALG 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 SDRAM controller (up to 400 MHz data rate), PCI and PCI Express ×1/×2 interfaces, and optional SEC 3.0 security engine. It serves as a main CPU or I/O processor in industrial controllers, network access servers, and intelligent NICs.

For engineers reviewing the KMPC8377ECVRALG datasheet, KMPC8377ECVRALG pinout, KMPC8377ECVRALG application, or KMPC8377ECVRALG equivalent, this page delivers verified electrical specs, validated package mapping (PBGA-783), confirmed security engine presence (SEC 3.0), exact DDR/PCIe/SATA interface counts, and real-world timing constraints for reset sequencing and clock jitter tolerance.

Technical Context

The KMPC8377ECVRALG integrates an e300c4s core with 32 KB instruction and 32 KB data caches, floating-point unit, and two integer units-enabling deterministic real-time processing in embedded networking stacks. Its dual eTSEC controllers support IEEE 802.3, 802.3u, 802.3ab, and IEEE 1588 precision time protocol, with RGMII/MII/RMII/RTBI PHY interface flexibility.

It implements a unified DDR1/DDR2 memory controller supporting 32-/64-bit interfaces at up to 400 MHz data rate, four chip selects, and on-the-fly CKE-based power management. The integrated SEC 3.0 security engine provides hardware-accelerated DES, 3DES, AES, SHA-1, and MD-5 operations via one crypto-channel and dedicated execution units.

Key Specifications

Pinout & Package

Package: PBGA-783 (35 mm × 35 mm, 1.0 mm pitch, RoHS-compliant). Pinout validated per Freescale MPC8377EEC Rev. 8, Section 22 "Package and Pin Listings".

Key Features

Applications

Equivalent & Alternatives

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

Compared with MPC8378EVRALG and MPC8379EVRALG, KMPC8377ECVRALG uniquely balances dual PCIe lanes and dual SATA ports-making it the only variant supporting simultaneous high-speed expansion (via PCIe) and local storage (via SATA) without interface trade-offs.

Availability

KMPC8377ECVRALG is available at Aetrix Electronics and suitable for industrial controllers, network access servers, and intelligent NICs requiring stable component supply across extended temperature ranges (–40°C to 125°C junction).

Supply support for KMPC8377ECVRALG 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 since 2015) designed high-performance Power Architecture processors for embedded networking and industrial control markets.

The KMPC8377ECVRALG belongs to the PowerQUICC II Pro family, engineered to deliver cost-effective, low-power integration of CPU, security, and high-speed I/O for printing, networking, and industrial applications.

FAQ

What is the maximum DDR2 data rate supported by KMPC8377ECVRALG?

KMPC8377ECVRALG supports DDR2 SDRAM at up to 400 MHz data rate (equivalent to DDR2-800), with 32- or 64-bit bus width, four chip selects, and on-the-fly CKE-based power management. This enables attachment of up to 2 GB of DDR2-800 memory with sustained bandwidth exceeding 6.4 GB/s in 64-bit configuration. The controller is backward-compatible with DDR1-400 when GVDD is set to 2.5 V.

Does KMPC8377ECVRALG include a hardware security engine?

Yes, KMPC8377ECVRALG includes the SEC 3.0 security engine as standard. It provides hardware acceleration for DES, 3DES, AES (128/192/256-bit), SHA-1, and MD-5 algorithms via dedicated crypto execution units and one crypto-channel. This engine offloads CPU-intensive cryptographic operations required for IPSec, IEEE 802.11i, and iSCSI protocols-reducing software overhead by >85% in VPN router implementations.

What package type and pin count does KMPC8377ECVRALG use?

KMPC8377ECVRALG uses a PBGA-783 package (35 mm × 35 mm, 1.0 mm pitch, RoHS-compliant) with validated pinout per Freescale document MPC8377EEC Rev. 8. This package supports thermal dissipation up to 4.3 W at 125°C junction temperature and includes dedicated power/ground ball arrays for DDR, PCI, and core domains to minimize noise coupling.

Can KMPC8377ECVRALG operate in both PCI host and agent modes?

Yes, KMPC8377ECVRALG's PCI controller supports both host and agent modes per PCI Specification Rev. 2.3. In host mode, it drives CLKIN as the primary clock source and generates PME signals; in agent mode, it accepts PCI_CLK/PCI_SYNC_IN and detects PME events. Mode selection is controlled by CFG_PCI_HOST strap pins at reset, enabling flexible system topology deployment without hardware redesign.

What are the key power sequencing requirements for KMPC8377ECVRALG?

KMPC8377ECVRALG requires VDD and AVDD to reach 90% of nominal value before GVDD, LVDD, and OVDD rise above 10%-ensuring core logic stabilizes prior to I/O activation. Failure to observe this sequence risks bus contention and excessive current draw. SerDes supplies (L[1,2]_nVDD) must follow VDD timing. No specific shutdown order is mandated, but PORESET must be asserted throughout power ramp-down.