NXP Semiconductors MPC8248CVRMIBA

Overview

MPC8248CVRMIBA from NXP Semiconductors (formerly Freescale) is a PowerQUICC II integrated communications processor combining a 32-bit Power Architecture G2_LE core (up to 400 MHz), dual Fast Communication Controllers (FCCs) for 10/100 Ethernet, three Serial Communication Controllers (SCCs), PCI bridge (32-bit, 66 MHz), and integrated Security Engine (SEC) supporting AES, DES, SHA-1, and RSA acceleration - deployed in carrier-grade edge routers and secure industrial gateways.

For engineers reviewing the MPC8248CVRMIBA datasheet, MPC8248CVRMIBA pinout, MPC8248CVRMIBA application, or MPC8248CVRMIBA equivalent, key selection criteria include SEC hardware acceleration capability, dual-FCC Ethernet throughput, VR-package thermal performance (RθJA = 27°C/W on single-layer board), 516-pin PBGA mechanical compatibility, and PCI-to-60x bus coherency support.

Technical Context

The MPC8248CVRMIBA implements a dual-issue G2_LE core with separate 16 KB instruction and data caches (four-way set associative, LRU replacement), MMU, and FPU - clocked via independent PLLs enabling core/CPM frequency decoupling (e.g., 400 MHz core / 200 MHz CPM). Its CPM subsystem integrates a 32-bit RISC microcontroller with 16 KB dual-port RAM and 4 KB instruction RAM, executing microcode for protocol offload across FCCs, SCCs, SMCs, SPI, and I²C.

AC timing is load-dependent (50 pF for max delay, 10 pF for min delay); output buffer impedances are configurable (45 Ω or 272 Ω for 60x bus/memory controller, 27 Ω for PCI); SEC operates as a DMA-accessible coprocessor with dedicated RNG and PKEU units - all synchronized to the 60x bus operating at up to 133 MHz.

Key Specifications

Pinout & Package

516-ball PBGA (VR package), RoHS-compliant, 27 mm × 27 mm body, 1.0 mm ball pitch, bottom-side thermal pad. Ball map organized in 26 × 26 grid with corner balls omitted (A1, A26, Z1, Z26 missing); power/ground distributed across all four sides.

Key Features

Applications

Equivalent & Alternatives

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

Compared with MPC8272VRMIBA, MPC8248CVRMIBA removes redundant UTOPIA logic to reduce die size and power; compared with MPC8313EVRAGDB, it retains full SEC and dual-FCC capability essential for legacy telecom infrastructure where hardware crypto acceleration and deterministic protocol offload remain mandatory.

Availability

MPC8248CVRMIBA is available at Aetrix Electronics and suitable for secure edge routing, industrial protocol translation, and medical imaging data concentration requiring stable component supply across extended product lifecycles.

Supply support for MPC8248CVRMIBA 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 develops high-reliability processors for automotive, industrial, and networking applications - acquired Freescale in 2015, integrating Power Architecture expertise into its secure edge computing portfolio.

The MPC8248CVRMIBA belongs to the PowerQUICC II family, designed specifically for carrier-class communications infrastructure requiring hardware-accelerated security, deterministic real-time protocol handling, and long-term industrial temperature support (–40°C to +105°C junction).

FAQ

What is the maximum operating junction temperature for the MPC8248CVRMIBA?

The MPC8248CVRMIBA has a maximum junction temperature (Tj) of 105°C under recommended operating conditions. This limit applies to both commercial (0°C to +70°C ambient) and extended temperature variants. Thermal design must ensure TJ ≤ 105°C using the specified RθJA = 27°C/W (single-layer board, natural convection) or lower values achievable with forced airflow or multi-layer PCBs - exceeding this temperature risks permanent silicon degradation and SEC functional failure.

Does the MPC8248CVRMIBA support PCIe or only legacy PCI?

The MPC8248CVRMIBA supports only PCI Specification Revision 2.2 (32-bit, 33/66 MHz, 3.3 V) - it does not implement PCIe. Its PCI interface operates as either host or peripheral with full configuration space access, four DMA channels, and streaming transfers between PCI and 60x memory spaces. PCIe capability was introduced in later QorIQ families (e.g., T1040), not in the PowerQUICC II generation.

Can the MPC8248CVRMIBA's Security Engine perform TLS handshake acceleration?

Yes - the MPC8248CVRMIBA's integrated Security Engine (SEC) accelerates RSA private-key operations (key generation, decryption) and symmetric ciphers (AES, DES) used in TLS 1.0–1.2 handshakes. It supports full 2048-bit RSA private-key decryption in hardware, reducing handshake latency by >95% versus software-only implementations - verified in Freescale AN2919 and Linux kernel crypto API benchmarks.

What boot sources are supported by the MPC8248CVRMIBA?

The MPC8248CVRMIBA supports booting from multiple sources including NOR Flash (via local bus), NAND Flash (with ECC), and PCI devices - configured via hardware strapping pins (RSTCONF, BADDR[27–31]) during reset. Boot ROM contains initial vector table and minimal SIU initialization; full bootloader (e.g., U-Boot) is typically loaded from Flash into internal SRAM or external SDRAM before core execution begins.

Is the MPC8248CVRMIBA pin-compatible with other PowerQUICC II devices in the VR package?

Yes - the MPC8248CVRMIBA shares identical 516-ball VR package pinout with MPC8272VRMIBA, MPC8271VRMIBA, and MPC8247VRMIBA per Table 2 of MPC8272EC Rev. 3. All VR-package devices use the same mechanical footprint, ball assignment, and power/ground distribution - enabling drop-in replacement within the same family when feature subsets align (e.g., swapping MPC8248CVRMIBA for MPC8272VRMIBA requires no PCB changes).