NXP Semiconductors MPC8271VRMIBA

Overview

MPC8271VRMIBA from NXP Semiconductors (formerly Freescale) is a PowerQUICC II integrated communications processor featuring a 32-bit Power Architecture G2_LE core, dual Fast Communication Controllers (FCCs), three Serial Communication Controllers (SCCs), USB 2.0 full/low-speed controller, PCI bridge, and memory controller - all in a single 516-pin PBGA package. It operates at up to 400 MHz core frequency with separate 1.5 V core and 3.3 V I/O supplies, and supports dual Ethernet (10/100 Mbps) for telecom and industrial gateway applications.

For engineers reviewing the MPC8271VRMIBA datasheet, MPC8271VRMIBA pinout, MPC8271VRMIBA application, or MPC8271VRMIBA equivalent, key selection criteria include its 400 MHz G2_LE core performance, UTOPIA II interface support (MPC8271 only), absence of integrated security engine (SEC), and compatibility with VR-package PCB footprints used across the MPC8272 family.

Technical Context

The MPC8271VRMIBA implements a dual-issue G2_LE core derived from the MPC603e microprocessor, with separate 16 KB instruction and 16 KB data caches, physically addressed four-way set associative organization, and LRU replacement. It integrates a modified Communications Processor Module (CPM) with embedded 32-bit RISC microcontroller, 16 KB dual-port RAM, and 4 KB instruction RAM for offloading protocol processing.

Its clock architecture features independent PLLs for core and CPM domains, supporting configurable multiplication ratios (core: 2:1 to 8:1; CPM: 2:1 to 8:1), enabling power/performance optimization. The device supports 64-bit 60x bus (up to 133 MHz), 32-bit 66 MHz PCI 2.2-compliant bridge, and two TDM interfaces with 1024-byte SI RAM - all verified for operation within 0–70°C ambient and 105°C junction temperature limits.

Key Specifications

Pinout & Package

Package: 516-ball PBGA (VR code), lead-free, 27 mm × 27 mm body, 1.0 mm ball pitch, JEDEC MO-205AC compliant. Thermal resistance: RθJA = 27°C/W (natural convection, single-layer board).

Key Features

Applications

Equivalent & Alternatives

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

Compared with MPC8271VRMIBA, MPC8272VRMIBA adds cryptographic acceleration but increases power and cost, while MPC8247VRMIBA reduces functionality and pin count - making MPC8271VRMIBA the optimal balance for UTOPIA II–enabled telecom edge devices requiring dual Ethernet and no SEC.

Availability

MPC8271VRMIBA is available at Aetrix Electronics and suitable for telecom access gateways, industrial protocol converters, and medical imaging data routers requiring stable component supply and long-term lifecycle support.

Supply support for MPC8271VRMIBA 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 company formed from the spin-off of Philips' semiconductor division, specializing in secure connectivity solutions for automotive, industrial, and IoT markets.

The MPC8271VRMIBA belongs to the PowerQUICC II family of integrated communications processors, designed specifically for cost-effective, high-performance embedded networking in telecom infrastructure and industrial control systems.

FAQ

What is the maximum operating frequency of the MPC8271VRMIBA core?

The MPC8271VRMIBA supports a maximum core frequency of 400 MHz using its G2_LE Power Architecture core. This is achieved via internal PLL multiplication ratios up to 8:1 from a 50 MHz CLKIN source. Operation at 400 MHz is validated under recommended conditions: VDD = 1.5 V ± 3%, VDDH = 3.3 V ± 3.3%, and junction temperature ≤ 105°C. The MPC8271VRMIBA datasheet specifies this rating across the commercial temperature range (0–70°C ambient).

Does the MPC8271VRMIBA include an integrated security engine (SEC)?

No, the MPC8271VRMIBA does not include an integrated security engine. Unlike the MPC8272VRMIBA and MPC8248VRMIBA, which feature hardware acceleration for DES, 3DES, AES, SHA-1, MD-5, and RNG, the MPC8271VRMIBA omits the SEC block entirely. This distinction is explicitly documented in Table 1 of the MPC8272EC hardware specification, where SEC is marked "-" for MPC8271. Therefore, cryptographic operations must be handled in software or via external accelerators when using MPC8271VRMIBA.

What package type and pin count does the MPC8271VRMIBA use?

The MPC8271VRMIBA uses a 516-ball plastic ball grid array (PBGA) package with VR designation, confirming it is lead-free and compliant with JEDEC MO-205AC. The package measures 27 mm × 27 mm with 1.0 mm ball pitch. Pin compatibility is maintained across the MPC8272 family VR-package variants (MPC8272VR, MPC8248VR, MPC8271VR, MPC8247VR), allowing shared PCB footprints and layout reuse - a key design advantage confirmed in Section 9 of the MPC8272EC specification.

Which communication interfaces are supported by the MPC8271VRMIBA's Fast Communication Controllers?

The MPC8271VRMIBA integrates two Fast Communication Controllers (FCCs), each supporting 10/100 Mbps Ethernet via MII or RMII, HDLC transparent mode, and serial protocols including transparent, HDLC, and SDLC. Critically, FCC1 also supports ATM SAR at 155 Mbps using the 8-bit UTOPIA II interface - a capability exclusive to MPC8271 and MPC8272 among the family. This enables direct ATM cell segmentation and reassembly without external SAR chips, as detailed in Section 1.1 and Figure 1 of the MPC8272EC document.

What are the power supply requirements for the MPC8271VRMIBA?

The MPC8271VRMIBA requires two independent power supplies: a 1.5 V core supply (VDD) for the G2_LE processor and CPM logic, and a 3.3 V I/O supply (VDDH) for all digital interface banks. Per Table 4 of the MPC8272EC spec, VDD must be 1.425–1.575 V and VDDH must be 3.135–3.465 V. Decoupling mandates 0.1 µF ceramic capacitors adjacent to each VDD/VDDH ball and bulk 47 µF electrolytics per supply, as specified in Section 4.6 for thermal and noise control.