NXP Semiconductors MPC8323CVRADDCA

Overview

MPC8323CVRADDCA from Freescale Semiconductor is a PowerQUICC II Pro integrated communications processor featuring an e300c2 Power Architecture core (16 KB I-cache, 16 KB D-cache, dual integer units, no FPU), QUICC Engine block with five UCCs, DDR1/DDR2 memory controller (32-bit, up to 266 MHz), PCI 2.3 controller (32-bit, 66 MHz), and SEC 2.2 security engine supporting DES/3DES/AES/SHA-1/MD5 - deployed in residential gateways, ADSL SOHO routers, and industrial control systems.

For engineers reviewing the MPC8323CVRADDCA datasheet, MPC8323CVRADDCA pinout, MPC8323CVRADDCA application, or MPC8323CVRADDCA equivalent, key selection considerations include DDR1/DDR2 interface voltage support (1.8 V / 2.5 V), QUICC Engine UTOPIA Level 2 capability (31 multi-PHY), e300c2 core frequency (up to 333 MHz), PCI host/agent mode flexibility, and hardware-accelerated crypto offload for IPSec/802.11i.

Technical Context

The MPC8323CVRADDCA integrates a superscalar e300c2 core with MMU and dual integer units, coupled to a dedicated QUICC Engine block containing a 32-bit RISC controller, five UCCs, serial DMA, and UTOPIA Level 2 interface - enabling concurrent protocol processing for ATM (OC-3), Ethernet (10/100 Mbps ×3), HDLC (64 channels), and TDM (4 interfaces). The DDR1/DDR2 controller supports single 32-bit bus at 266 MHz with auto-refresh and CKE-based power management.

Its PCI 2.3 controller operates in host or agent mode at 32-bit/66 MHz with 3.3-V I/O compatibility and on-chip arbitration for three external masters; the SEC 2.2 security engine provides one crypto-channel with DEU, AESU, and MDEU execution units for hardware-accelerated encryption and hashing - all coordinated via a programmable interrupt controller supporting 43 total interrupt sources (8 external, 35 internal).

Key Specifications

Pinout & Package

Package: 620-pin PBGA (35 mm × 35 mm, 1.0 mm pitch), RoHS-compliant, lead-free, moisture sensitivity level 3.

Key Features

Applications

Equivalent & Alternatives

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

Compared with MPC8323EVVAJDB, MPC8323CVRADDCA trades extended temperature and DDR speed for lower acquisition cost and power consumption (1.48 W typical vs. 1.72 W); versus MPC8321CZQADDCA, it adds UTOPIA L2, fifth UCC, and SEC 2.2 - enabling converged ATM/IP deployments with stronger cryptographic compliance.

Availability

MPC8323CVRADDCA is available at Aetrix Electronics and suitable for residential gateways, industrial protocol converters, and secure remote access appliances requiring stable component supply across multi-year production cycles.

Supply support for MPC8323CVRADDCA 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 processors, analog, and connectivity solutions for automotive, industrial, and networking markets.

The MPC8323CVRADDCA belongs to the PowerQUICC II Pro family - designed specifically to deliver cost-effective, software-compatible migration paths from PowerQUICC II while integrating QUICC Engine for next-generation protocol flexibility in communications infrastructure.

FAQ

What is the maximum DDR2 data rate supported by the MPC8323CVRADDCA?

The MPC8323CVRADDCA supports DDR2 SDRAM at up to 266 MHz data rate (533 MT/s), corresponding to a 32-bit bus bandwidth of 2.13 GB/s. This is confirmed in Section 1.1 of the MPC8323E Hardware Specifications document, which states "DDR1/DDR2 memory controller-one 32-bit interface at up to 266 MHz supporting both DDR1 and DDR2." The MPC8323CVRADDCA implements this specification fully and does not support DDR2 speeds beyond 266 MHz.

Does the MPC8323CVRADDCA support UTOPIA Level 2, and what is its multi-PHY capacity?

Yes, the MPC8323CVRADDCA supports UTOPIA Level 2 with 31 multi-PHY addresses - a feature explicitly documented for the MPC8323E and MPC8323 variants in Section 1.1.2 and Figure 1 of the hardware specifications. This capability enables direct connection to multiple ATM PHY devices without external multiplexing, distinguishing it from the MPC8321 series, which lacks UTOPIA entirely.

What are the core voltage and I/O supply requirements for reliable operation of the MPC8323CVRADDCA?

The MPC8323CVRADDCA requires VDD = 1.0 V ±50 mV for the core, GVDD = 1.8 V ±90 mV (for DDR2) or 2.5 V ±125 mV (for DDR1), and OVDD = 3.3 V ±300 mV for PCI, local bus, and peripheral I/O. Per Section 2.1.2, all supplies must track directionally during power-up, and VDD must reach 90% of nominal before GVDD/OVDD exceed 0.7 V to prevent I/O contention.

How many Ethernet interfaces can the MPC8323CVRADDCA support simultaneously, and what physical layer options are available?

The MPC8323CVRADDCA supports up to three independent 10/100 Mbps Ethernet interfaces via MII or RMII, as stated in Section 1.1.2. Each interface connects to a separate PHY through dedicated MII/RMII pins; SPI2 is reserved for Ethernet PHY management. No built-in PHY is included - external PHYs (e.g., Marvell 88E6060, Broadcom BCM5221) must be used, with clocking provided by the 13 baud rate generators.

Is the MPC8323CVRADDCA pin-compatible with the MPC8323E series, and what is the package type?

Yes, the MPC8323CVRADDCA uses the same 620-pin PBGA package (35 mm × 35 mm, 1.0 mm pitch) as the MPC8323E family, with identical pinout per Section 21 ("Package and Pin Listings") of the hardware specifications. It is functionally and mechanically compatible with MPC8323E designs, sharing identical signal assignments, power domains, and thermal pad layout - enabling direct PCB reuse in commercial temperature-grade applications.