NXP Semiconductors MC8641VU1500KE

Overview

MC8641VU1500KE from Freescale Semiconductor is a single-core Power Architecture® e600-based integrated host processor with 32-bit superscalar execution, 32-Kbyte L1 instruction and data caches, and a 1-Mbyte unified L2 cache with ECC. It operates at 1.5 GHz core frequency (1500 MHz), supports DDR/DDR2 SDRAM up to 600 MHz, and integrates four enhanced three-speed Ethernet controllers (10/100/1000 Mbps) for networking infrastructure applications.

For engineers reviewing the MC8641VU1500KE datasheet, MC8641VU1500KE pinout, MC8641VU1500KE application, or MC8641VU1500KE equivalent, key selection considerations include its 1023-pin FC-CBGA package, dual 64-bit DDR2 memory controller (72-bit with ECC), PCI Express 1.0a x1/x2/x4/x8 interface, Serial RapidIO 1.2 support (1.25–3.125 Gbaud), and e600 core voltage requirement of 1.10 V ± 50 mV at 1500 MHz operation.

Technical Context

The MC8641VU1500KE implements the PowerPC ISA v2.03 with eleven independent execution units, three issue queues (FIQ, VIQ, GIQ), and separate instruction/data MMUs. Its MPX coherency module enables cache coherency across multiple masters, while ATMUs provide eight local address windows and configurable inbound/outbound translations for PCI Express and Serial RapidIO.

It features dual DDR/DDR2 SDRAM controllers supporting 300-MHz clock rates and up to 16 Gbytes per controller, four eTSECs with RGMII/GMII/MII/TBI/RTBI physical layer support, and a four-channel DMA controller accessible by both local and remote masters - all synchronized via a 600-MHz platform bus.

Key Specifications

Pinout & Package

MC8641VU1500KE is housed in a 1023-pin Hi-CTE flip-chip ceramic ball grid array (FC-CBGA) package with 35 × 35 mm body size and 1.0 mm ball pitch. Thermal and mechanical design requires controlled solder reflow profile and underfill for reliability in telecom and industrial environments.

Key Features

Applications

Equivalent & Alternatives

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

Compared with MPC8641DZU1500KE and P2020NSN2KFC, MC8641VU1500KE uniquely balances high single-thread performance (1500 MHz e600), integrated Ethernet offload, and RapidIO coherency - making it optimal for legacy telecom upgrades where dual-core overhead is unnecessary and pin-compatible migration from MPC8641-series designs is required.

Availability

MC8641VU1500KE is available at Aetrix Electronics and suitable for wireless infrastructure, enterprise routing, and industrial storage applications requiring stable component supply and long-term lifecycle support.

Supply support for MC8641VU1500KE 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) was a leading designer of embedded processors and analog solutions for automotive, industrial, and networking markets.

The MPC8641 product line was engineered specifically for high-performance communications infrastructure - integrating e600 compute, multi-protocol serial interconnects, and memory subsystems to replace discrete ASIC+FPGA+processor combinations in base stations and routers.

FAQ

What is the core voltage requirement for MC8641VU1500KE at 1500 MHz operation?

The MC8641VU1500KE requires VDD_Core0 = 1.10 V ± 50 mV for guaranteed 1500 MHz operation at 65°C junction temperature. This voltage must be stabilized before platform supplies (VDD_PLAT, AVDD_PLAT) reach 90% of their nominal value during power-up sequencing, as defined in Section 2.2 of the MPC8641D Hardware Specifications Rev. 3. Deviation beyond ±50 mV risks timing violations or thermal throttling.

Does MC8641VU1500KE support DDR2-800 memory?

No, MC8641VU1500KE supports DDR2 up to 600 MHz data rate (DDR2-600), corresponding to 300 MHz clock frequency. Its DDR2 SDRAM controller is specified for 1.8 V ± 90 mV I/O supply (Dn_GVDD) and SSTL-18 signaling - DDR2-800 would require 400 MHz clock and exceeds the maximum supported 600-MHz data rate documented in Table 4 and Section 6 of the MPC8641D specification.

How many Ethernet ports does MC8641VU1500KE integrate, and what PHY interfaces are supported?

MC8641VU1500KE integrates four independent enhanced three-speed Ethernet controllers (eTSECs), each supporting 10/100/1000 Mbps. Supported PHY interfaces include MII, RMII, GMII, RGMII, TBI, and RTBI - enabling flexible connectivity to copper/fiber transceivers and switch fabric ICs without external glue logic.

Is MC8641VU1500KE pin-compatible with other MPC8641 variants like MC8641VU1333KE?

Yes, MC8641VU1500KE shares the identical 1023-pin FC-CBGA package and pinout with all MPC8641 single-core variants (e.g., MC8641VU1333KE, MC8641VU1000KE). Voltage and timing specifications differ per speed grade, but PCB layout, power delivery network, and signal routing remain fully reusable across the MPC8641VUxxx family.

What boot sources are supported by MC8641VU1500KE?

MC8641VU1500KE supports booting from serial ROM via its dual I2C controllers, using extended addressing mode with CRC-verified preamble signature. The boot sequencer initializes configuration registers and memory at reset - eliminating need for parallel NOR flash. No support for booting directly from PCIe, RapidIO, or DDR devices is provided in the hardware specification.