NXP Semiconductors MPC8323CVRAFDC

Overview

MPC8323CVRAFDC from Freescale Semiconductor is a PowerQUICC II Pro integrated communications processor featuring an e300c2 Power Architecture core (16 KB I/D cache, dual integer units, no FPU), 32-bit DDR1/DDR2 memory controller (266 MHz), QUICC Engine with five UCCs supporting 10/100 Mbps Ethernet, HDLC, ATM (OC-3), and UTOPIA Level 2, plus PCI 2.3 host/agent interface - deployed in residential gateways and industrial control systems.

For engineers reviewing the MPC8323CVRAFDC datasheet, MPC8323CVRAFDC pinout, MPC8323CVRAFDC application, or MPC8323CVRAFDC equivalent, key selection considerations include DDR1/DDR2 voltage compatibility (1.8 V / 2.5 V), QUICC Engine protocol flexibility (Ethernet/ATM/HDLC), PCI 3.3-V operation, security engine acceleration (AES/SHA-1/DES), and thermal limits (TJ ≤ 105°C).

Technical Context

The MPC8323CVRAFDC integrates a fixed-frequency e300c2 core (no FPU) with tightly coupled MMUs and dual integer units, paired with a dedicated QUICC Engine block containing a 32-bit RISC controller, serial DMA, and five programmable UCCs - each configurable for Ethernet, HDLC, UART, BISYNC, or ATM via UTOPIA Level 2 (31 multi-PHY support). The DDR1/DDR2 controller supports only one chip select and operates at up to 266 MHz with auto-refresh and CKE-based power management.

Its PCI 2.3 controller runs at 33 or 66 MHz in 3.3-V-only host/agent mode with on-chip arbitration for three external masters; the security engine (SEC 2.2) provides single-channel hardware acceleration for DES, 3DES, AES, SHA-1, and MD-5 - offloading crypto operations from the main CPU without supporting ECC, FCRAM, or atomic logic.

Key Specifications

Pinout & Package

Package: PBGA-620 (35 mm × 35 mm, 1.27 mm pitch), RoHS-compliant, lead-free solder reflow profile compatible.

Key Features

Applications

Equivalent & Alternatives

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

Compared with MPC8323EVRAFDC, the MPC8323CVRAFDC trades extended-temperature qualification for lower unit cost in climate-controlled deployments; versus MPC8321EVRAFDC, it delivers essential UTOPIA/DDR2/5-UCC features required for next-gen convergence platforms - making it the minimal viable option for ATM/Ethernet hybrid systems.

Availability

MPC8323CVRAFDC is available at Aetrix Electronics and suitable for residential gateways, industrial Ethernet controllers, and secure remote access appliances requiring stable component supply across multi-year production cycles.

Supply support for MPC8323CVRAFDC 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) is a fabless semiconductor company specializing in embedded processing, connectivity, and analog solutions for automotive, industrial, and networking markets.

The MPC8323CVRAFDC belongs to the PowerQUICC II Pro family - designed specifically to consolidate data-plane and control-plane processing in cost-sensitive communications equipment while maintaining software compatibility with prior PowerQUICC generations.

FAQ

What is the maximum DDR2 data rate supported by the MPC8323CVRAFDC?

The MPC8323CVRAFDC supports DDR2 SDRAM at a maximum data rate of 266 MHz, corresponding to a peak theoretical bandwidth of 1.06 GB/s over its 32-bit interface. This is confirmed in Section 1.4 of the MPC8323E Hardware Specifications document, which states "support for up to 266-MHz data rate" for the DDR1/DDR2 memory controller. The MPC8323CVRAFDC implements this capability identically to the MPC8323E reference device.

Does the MPC8323CVRAFDC include a floating-point unit (FPU)?

No, the MPC8323CVRAFDC does not include a floating-point unit. Its e300c2 core is explicitly defined as lacking an FPU, as stated in the Overview section: "The e300c2 core does not contain a floating point unit (FPU)." This design choice prioritizes deterministic integer-based packet processing and reduces die area/power - consistent with its role in networking control/data planes where fixed-point arithmetic suffices.

What protocols does the QUICC Engine in the MPC8323CVRAFDC support?

The QUICC Engine in the MPC8323CVRAFDC supports 10/100 Mbps Ethernet (MII/RMII), HDLC/transparent (up to 70 Mbps full-duplex), UART, BISYNC (up to 2 Mbps), ATM SAR up to OC-3 (155 Mbps), and UTOPIA Level 2 with 31 multi-PHY addressing. These are documented in Sections 1.1.1 and 1.2 of the MPC8323E Hardware Specifications, and apply directly to the MPC8323CVRAFDC as a member of the MPC8323E family.

Is the MPC8323CVRAFDC pin-compatible with the MPC8323EVRAFDC?

Yes, the MPC8323CVRAFDC is pin-compatible with the MPC8323EVRAFDC. Both use the identical PBGA-620 package with matching pin assignments, as confirmed by Freescale's ordering information and package drawings in the MPC8323E documentation. The sole functional difference is temperature rating: MPC8323CVRAFDC is commercial grade (0°C to 105°C), while MPC8323EVRAFDC is extended grade (–40°C to 105°C).

What security algorithms are accelerated by the MPC8323CVRAFDC's SEC 2.2 engine?

The MPC8323CVRAFDC's SEC 2.2 security engine accelerates DES, 3DES, AES, SHA-1, and MD-5 algorithms - as specified in Section 1.3 of the MPC8323E Hardware Specifications. It does not support SHA-256 or HMAC-SHA-256 in hardware; those require software implementation. The engine uses a single crypto-channel with dedicated execution units (DEU, AESU, MDEU) to offload IPSec and IEEE 802.11i processing from the e300c2 core.