MPC8321EZQAFDC - PowerQUICC II Pro MPU 333MHz | NXP
MPN: MPC8321EZQAFDC ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $95 | $95.00 |
| 10 | $88.5 | $885.00 |
| 100 | $81 | $8,100.00 |
| 500 | $74 | $37,000.00 |
| 1,000 | $67.5 | $67,500.00 |
MPC8321EZQAFDC Overview
What is a PowerQUICC processor? PowerQUICC (pronounced 'power-quick') is NXP's (formerly Freescale) family of communications processors that combine a PowerPC CPU core with a Communications Processor Module (CPM) for offloading networking and peripheral tasks. In the broader taxonomy, the MPC8321E is a microprocessor (MPU) -> embedded processor -> communications processor -> SoC. PowerQUICC II Pro generations like this one integrate security engines (the 'E' suffix denotes encryption-enabled variants), making them foundational for SOHO routers, VPN gateways, and IP services equipment.
Key differentiating features include the integrated hardware encryption accelerator (SEC 2.0+), support for DDR1/DDR2 memory up to , dual 10/100/1000 Ethernet MACs, and a peripheral set including PCI, USB, and UART. The 333 MHz core frequency combined with the CPM offload engine enables line-rate packet processing without CPU saturation. The encryption engine supports DES, 3DES, AES, and SHA/MD5 hashing, eliminating the need for external crypto chips in VPN and SSL terminator designs.
Architecturally, the e300c2 core is a 32-bit PowerPC implementation with MMU and L1 caches, while the CPM handles DMA-driven peripheral channels. This dual-engine design keeps networking throughput consistent regardless of OS overhead on the host CPU. The 516-PBGA package provides ample I/O for parallel peripheral buses and high-speed serial interfaces, but requires careful PCB layout with controlled-impedance routing and thermal management copper pours.
Typical applications include small office/home office (SOHO) routers, IP services gateways, DSL/cable modems, industrial control systems, secure print servers, and networked storage appliances. The integrated encryption makes it particularly attractive for VPN concentrators and SSL/IPsec gateway designs where security throughput is critical.
When designing with this device, pay close attention to the 27x27 mm PBGA land pattern requirements, JTAG boundary-scan considerations, and the thermal profile under sustained CPM activity. A multi-layer PCB with dedicated power and ground planes is strongly recommended for signal integrity at the DDR memory interface.
This page synthesizes distributor pricing, same-family NXP drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone. Engineers evaluating MPU options for embedded networking will find the alternatives and comparison data particularly useful when qualifying second sources or planning EOL transitions.
Drop-in alternatives for MPC8321EZQAFDC — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Variants in this series
Same-series models that are drop-in compatible with MPC8321EZQAFDC (same form factor and footprint) — differing in RoHS Status, Manufacturer, Core Architecture, Encryption, Ethernet.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
MPC8321EZQADDC
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MPC8323EZQAFDC
✅ Drop-In📋 Reference alternative (not in catalog)
MPC8321CVRAFD
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
MPC8323CVRAFG
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
MPC8321EZQAFDC-R2
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
MPC8321EZQAFDC Maximum Ratings & Electrical Characteristics
| Manufacturer | NXP USA Inc. |
| Part Number | MPC8321EZQAFDC |
| Series | MPC83xx |
| Core Processor | PowerPC e300c2 |
| Number of Cores | 1 |
| Data Bus Width | 32 bit |
| Core Speed | 333 MHz |
| Package / Case | 516-PBGA (27x27 mm) |
| Encryption | Yes (SEC engine, E-suffix variant) |
| Mounting Type | Surface Mount |
| RoHS Status | Non-Compliant (per DigiKey listing) |
| Family | PowerQUICC II Pro |
| Related Family | MPC8323E |
| Primary Interfaces | DDR1/DDR2, PCI, USB, Ethernet (10/100/1000), UART |
MPC8321EZQAFDC 516-pbga (27x27 mm) Pin Configuration Guide
Pin configuration for MPC8321EZQAFDC (516-pbga (27x27 mm) package). This digital IC includes GPIO, communication interfaces (UART, SPI, I2C), and power pins. Refer to the manufacturer datasheet for alternate pin functions and configuration options. Essential for embedded system design and PCB layout.
No detailed pinout data available for MPC8321EZQAFDC.
Refer to the datasheet for full pin configuration.
Typical Applications
MPC8321EZQAFDC is suitable for 6 applications: SOHO Router Gateway, Industrial Control System, VPN / SSL Gateway, Networked Storage Appliance, DSL/Cable Modem Platform, Secure Print Server.
SOHO Router Gateway
The MPC8321EZQAFDC is well-suited for small office/home office router gateway designs where integrated encryption and dual Gigabit Ethernet reduce BOM cost and PCB complexity. The PowerPC e300c2 at 333 MHz combined with the CPM offload engine handles NAT, firewall filtering, and routing tables at line speed for typical SOHO WAN connections (up to ~1 Gbps aggregate). The hardware SEC engine accelerates IPsec/SSL sessions critical for VPN pass-through, eliminating the need for an external crypto ASIC. Memory pressure is moderate (typically 128-256 MB DDR2), well within the family specifications. Compared to a discrete CPU-plus-crypto-chip architecture, the integrated design shrinks to a single 27x27 mm PBGA plus memory and PHYs.
Recommended
Industrial Control System
Industrial automation and process control applications leverage the MPC8321EZQAFDC's deterministic CPM-driven peripheral handling for fieldbus protocols and real-time I/O. The PowerPC e300c2 core runs the control application while the CPM handles serial protocols, Ethernet/IP, or Profinet-style communications. The wide peripheral set (PCI, USB, multiple serial channels) integrates typical industrial I/O expansion without external bridge chips. Engineers should evaluate the industrial temperature grade variant and confirm long-term availability through NXP's product longevity program. Compared to Cortex-M-class MCUs, the PowerQUICC provides multi-OS support (Linux, VxWorks, QNX) and significantly higher throughput for protocol-conversion gateways.
Recommended
VPN / SSL Gateway
The hardware encryption engine in the MPC8321EZQAFDC is the defining feature for VPN concentrator and SSL terminator designs. The SEC engine accelerates AES, 3DES, and SHA hashing at wire speed, allowing the host CPU to focus on routing and policy decisions rather than crypto computation. For typical IPsec tunnel throughput (200-400 Mbps depending on key length and packet size), the 333 MHz e300c2 core plus SEC engine delivers performance comparable to far more expensive discrete solutions. Pair the MPU with DDR2 ECC memory for tamper-resilient operation and consider secure boot via the on-chip boot ROM.
Recommended
Networked Storage Appliance
Small-to-medium networked attached storage (NAS) appliances use the MPC8321EZQAFDC as a low-power, integrated SoC for file-serving and iSCSI target workloads. The dual Gigabit Ethernet MACs support LACP link aggregation or split front-end/backend networking, while the PCI bus attaches RAID controllers or additional NICs. The encryption engine secures at-rest data when paired with self-encrypting drives. Compared to x86-based NAS solutions, the PowerQUICC platform delivers lower power consumption and fanless operation for SOHO/SMB markets, with the trade-off of lower raw throughput for multi-user workloads above 100 MB/s sustained.
Recommended
DSL/Cable Modem Platform
Customer premise equipment (CPE) such as DSL and cable modem gateways can use the MPC8321EZQAFDC as the main processor, with external PHY/modem chipset connected via MII/GMII or PCI. The integrated peripherals (USB for storage sharing, Ethernet for LAN, serial for diagnostics) cover typical CPE requirements in a single chip. The CPM offload handles ATM/PTM segmentation for DSL deployments. Engineers designing for this application should plan for thermal management under sustained WAN activity and ensure the PCB layout maintains 50-ohm controlled impedance on Ethernet traces.
Recommended
Secure Print Server
Enterprise secure print servers and MFP controllers benefit from the MPC8321EZQAFDC's hardware encryption for IPsec-protected print job transmission and secure release workflows. The PowerPC core runs the print server stack (PWG, LPD, SMB), while the SEC engine handles authentication and encrypted job storage. Peripheral interfaces (USB for job retrieval, PCI for engine control) integrate with commercial print engines. The 516-PBGA package supports the wide I/O count needed for engine interface logic without external bridge chips.
Recommended
Recommended Products Summary
Engineering reference data for MPC8321EZQAFDC — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | MPC8321EZQADDC | MPC8323EZQAFDC | MPC8321CVRAFD | MPC8323CVRAFG | MPC8321EZQAFDC-R2 |
|---|---|---|---|---|---|---|
| Package | 516-PBGA (27x27 mm) | 516-PBGA (27x27 mm) | 516-PBGA (27x27 mm) | PBGA (same family footprint) | PBGA (same family footprint) | 516-PBGA (27x27 mm) |
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Core | PowerPC e300c2, 333 MHz | PowerPC e300c2, same family | PowerPC e300c2, MPC8323E variant | PowerPC e300c2 (non-encrypt) | PowerPC e300c2 (non-encrypt) | PowerPC e300c2, 333 MHz |
| Encryption Engine | Yes (SEC) | Yes (SEC) | Yes (SEC) | No | No | Yes (SEC) |
| Family | MPC8323E (PowerQUICC II Pro) | MPC8321E | MPC8323E | MPC8321E (non-E) | MPC8323E (non-E) | MPC8321E |
| Ethernet MACs | 2x 10/100/1000 | 2x 10/100/1000 | 2x 10/100/1000 | 2x 10/100/1000 | 2x 10/100/1000 | 2x 10/100/1000 |
| Memory Interface | DDR1/DDR2 with ECC | DDR1/DDR2 | DDR1/DDR2 | DDR1/DDR2 | DDR1/DDR2 | DDR1/DDR2 with ECC |
Key Differentiators
- Integrated hardware encryption engine (vs MPC8321CVRAFD)
- MPC8323E family commonality (vs MPC8323EZQAFDC)
- Proven PowerQUICC II Pro platform (vs Newer QorIQ Layerscape processors)
Design Notes
The 516-PBGA package requires careful thermal management, especially under sustained CPM activity. Per the MPC8323E family datasheet thermal section, design a minimum 4-layer PCB with continuous ground planes beneath the package. A copper pour of at least 25x25 mm on top and bottom layers tied with thermal vias under the die region is recommended for commercial temperature operation. Industrial temperature grades require additional airflow or heatsink attachment.
DDR2 memory interface routing requires strict length matching and controlled impedance. Per NXP's hardware design guide for the MPC8323E family, maintain 50-ohm single-ended impedance on DDR signals, match clock-to-DQS skew within +/-25 ps, and use series termination resistors on address/command nets as specified in the reference schematic. Use a minimum 6-layer stack-up with dedicated power and ground planes for reliable DDR2 operation.
Do not assume software portability between PowerQUICC II Pro and newer QorIQ/Layerscape processors - the core architecture and memory map differ significantly. Confirm the exact operating temperature grade (commercial vs industrial) from the part number suffix before deploying in harsh environments. Note that the standard MPC8321EZQAFDC is non-RoHS; for RoHS-constrained designs verify whether a Pb-free variant is available in the same speed grade.
Compliance Information
RoHS non-compliance per DigiKey listing. Reach, halogen-free, and conflict-minerals status not specified in retrieved web data; confirm with NXP for compliance documentation.