MPC8321VRADDC - PowerQUICC II Pro 266MHz SoC | NXP | Networking
Référence : MPC8321VRADDC ⚠ Dernier achat| Qté | Prix unitaire | Total |
|---|---|---|
| 1 | $89.5 | $89,50 |
| 10 | $82.1 | $821,00 |
| 100 | $74.75 | $7 475,00 |
| 500 | $68.2 | $34 100,00 |
| 1 000 | $62 | $62 000,00 |
MPC8321VRADDC Présentation
A PowerQUICC II Pro communications processor is a member of the broader Power Architecture microprocessor family, sitting within the power management and embedded processor hierarchy (CPU -> MPU -> communications SoC -> networking subsystem). The architecture integrates control-plane processing with hardware-accelerated protocol handling so that OEMs can build routers, media gateways, and access multiplexers without discrete peripheral chipsets.
Key features include the e300c2 core at 266 MHz, hardware-accelerated QUICC Engine for HDLC/PPP/Ethernet processing, integrated DDR1/DDR2 SDRAM controller with ECC support, 32-bit PCI 2.3 interface, USB 2.0 host/device with on-chip transceiver, dual 10/100 Ethernet MACs, dual UART, and an operating temperature range of 0C to 105C. The 516-pin PBGA package provides the signal density needed for parallel memory, PCI, and Ethernet buses.
The device uses a 32-bit Power Architecture (PowerPC) implementation on a 0.13-micron process, with separate system and peripheral clock domains. The QUICC Engine offloads serial-bit handling from the core, freeing CPU cycles for routing protocols and management software while still exposing a unified programming model through UPM and DMA channels.
Typical applications include SOHO routers, VPN/IPsec gateways, Ethernet access multiplexers, industrial control with networking, and T1/E1 termination equipment. The lack of on-chip encryption is the primary difference from the MPC8321E variant, making the VRADDC suffix well-suited to designs where crypto acceleration is provided by a companion security ASIC rather than the host CPU.
When designing with this part, allocate generous PCB space for the 27 mm PBGA and provide clean power rails for the DDR controller and PLL domains. Reference the Freescale/NXP hardware specification document for boot sequence, JTAG topology, and DDR signal integrity guidelines before laying out the memory interface.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.
Alternatives de remplacement direct pour MPC8321VRADDC — même boîtier, compatible broche à broche. Les références à boîtier différent nécessitant une retouche du PCB sont exclues.
Variantes de cette série
Modèles de la même série directement compatibles avec MPC8321VRADDC (même facteur de forme et même empreinte) — différant par Mounting Type, Core Architecture, Memory Controller, Operating Temperature, Package.
Outil de comparaison rapide — sélectionnez des références alternatives pour une comparaison côte à côte :
MPC8321EVRADDC
✅ Remplacement direct✓ En stock
$38.4 / unité
Voir la fiche technique →MPC8323EVRAFDA
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
MPC8313CVRADDB
✅ Remplacement direct✓ En stock
$24.6 / unité
Voir la fiche technique →MPC8323EVRADDB
✅ Remplacement direct ⚠️ Spécifications non vérifiées📋 Alternative de référence (hors catalogue)
MPC8313ECVRAFFC
✅ Remplacement direct ⚠️ Spécifications non vérifiées📋 Alternative de référence (hors catalogue)
P1010NSE2HFB
✅ Remplacement direct ⚠️ Spécifications non vérifiées📋 Alternative de référence (hors catalogue)
MPC8321VRADDC Valeurs maximales et caractéristiques électriques
| Manufacturer | NXP Semiconductors (formerly Freescale) |
| Product Type | PowerQUICC II Pro Communications SoC |
| Core Architecture | PowerPC e300c2 (32-bit) |
| Core Frequency | 266 MHz |
| Boîtier | 516-PBGA (27x27 mm) |
| Température de fonctionnement | 0C to 105C |
| Memory Controller | DDR1/DDR2 SDRAM with ECC |
| QUICC Engine | Yes (multiprotocol: HDLC, PPP, Ethernet) |
| PCI Interface | 32-bit PCI 2.3 |
| USB Interface | USB 2.0 host/device with on-chip transceiver |
| Ethernet MACs | Dual 10/100 Mbps |
| UART | Dual UART |
| Encryption Accelerator | No (no SEC engine, see MPC8321E variant) |
| Type de montage | Surface Mount (BGA) |
| Statut RoHS | Compliant |
Guide de configuration des broches du MPC8321VRADDC 516-pbga (27x27 mm)
Configuration des broches du MPC8321VRADDC (boîtier 516-pbga (27x27 mm)). Ce circuit intégré numérique comprend des GPIO, des interfaces de communication (UART, SPI, I2C) et des broches d'alimentation. Consultez la fiche technique du fabricant pour les fonctions alternatives des broches et les options de configuration. Indispensable pour la conception de systèmes embarqués et la conception de circuits imprimés.
Aucune donnée de brochage détaillée disponible pour MPC8321VRADDC.
Consultez la fiche technique pour la configuration complète des broches.
Applications typiques
MPC8321VRADDC convient pour 7 applications: SOHO Router Platform, VPN and IPsec Security Gateway, T1/E1 Access Multiplexer, Industrial Control with Networking Gateway, Telecommunications Switching Equipment, Print Server and Network Attached Storage, Smart Metering and Energy Gateway.
SOHO Router Platform
The MPC8321VRADDC is well-suited to SOHO router designs because its 266 MHz e300c2 core delivers sufficient throughput for IPv4 NAT/firewall sessions, while the integrated dual 10/100 Ethernet MACs and PCI 2.3 interface allow direct connection to WAN and LAN PHYs or expansion. The QUICC Engine offloads PPP, HDLC, and T1/E1 framing so the CPU can run routing stacks like Linux or VxWorks without dedicating cycles to per-packet framing. Compared to a discrete CPU + bridge chip solution, this SoC cuts BOM cost by approximately $5-8 per board while keeping the 27x27 mm PBGA within the small footprint of a consumer router chassis.
Recommandé
VPN and IPsec Security Gateway
For VPN gateway designs that require inline IPsec or SSL acceleration, the MPC8321VRADDC is typically paired with an external security ASIC (for example, a dedicated crypto coprocessor on the PCI bus). The 266 MHz e300c2 handles routing and session lookup, while the companion chip accelerates bulk encryption and key exchange. Customers who need a single-chip solution should choose the MPC8321EVRADDC instead, which integrates the SEC engine. The 27x27 mm PBGA and DDR1/DDR2 controller with ECC remain common between both parts, easing PCB reuse across cost-tiered SKUs.
Recommandé
T1/E1 Access Multiplexer
The MPC8321VRADDC's QUICC Engine is purpose-built for TDM protocols like HDLC, PPP, and MLPPP, which makes it a natural choice for T1/E1 access multiplexers aggregating multiple WAN uplinks into a single Ethernet backhaul. Each QUICC Engine channel manages a T1 line independently, leaving the CPU free for higher-level routing logic. Operating range of 0C to 105C covers typical indoor carrier customer premises equipment (CPE) environments. Engineers designing this application typically reserve 30-40% CPU headroom for peak call-setup bursts while the QUICC Engine handles line-side framing deterministically.
Recommandé
Industrial Control with Networking Gateway
Industrial control gateways benefit from the MPC8321VRADDC's combination of a deterministic e300c2 real-time core, USB 2.0 host port for field peripherals, dual UART for RS-485 device networks, and Ethernet MACs for plant-floor connectivity. The 0C to 105C operating range and the rugged 27x27 mm PBGA are well matched to industrial enclosure temperatures. Compared to a generic MCU + Ethernet controller pair, this part brings the heritage of the Freescale PowerQUICC communications family that has been deployed in industrial routers for over a decade. The DDR1/DDR2 controller with ECC supports reliable operation across long uptime intervals required by industrial automation.
Recommandé
Telecommunications Switching Equipment
Telecommunications switching designs leverage the MPC8321VRADDC's PCI 2.3 interface for connecting framer/line-interface chips, its DDR1/DDR2 controller for packet buffering, and the QUICC Engine for serial channelization. The 266 MHz e300c2 core supports real-time control-plane tasks such as call admission and signaling. Engineers specify this part when a 19-inch rack appliance needs 8-32 ports of T1/E1 or low-density Ethernet aggregation. The 27x27 mm PBGA with exposed-die thermal pad enables fan-less designs in well-ventilated indoor telecom cabinets where ambient temperature is regulated.
Recommandé
Print Server and Network Attached Storage
Small-office print servers and entry-level network attached storage appliances use the MPC8321VRADDC because it combines Gigabit-capable Ethernet (via external PHY on the PCI/Ethernet MACs), USB 2.0 device for host PC connection, and DDR1/DDR2 with ECC for reliable data buffering. The PCI interface supports additional peripherals like RAID controllers or Wi-Fi cards. Operating at 266 MHz the e300c2 core handles file-system and protocol offload without bottlenecking. The 0C to 105C operating range covers typical home and small-office thermal environments.
Recommandé
Smart Metering and Energy Gateway
Smart metering gateway designs benefit from the MPC8321VRADDC's QUICC Engine for PLC (power line communication) and HDLC protocols, plus its Ethernet and USB interfaces for IP backhaul. The e300c2 core at 266 MHz handles metering stack protocols and end-to-end encryption coordination, while the DDR1/DDR2 with ECC maintains data integrity over long collection cycles. The 27x27 mm PBGA keeps the gateway small enough for DIN-rail mounting inside utility distribution cabinets.
Recommandé
Récapitulatif des produits recommandés
Données de référence d'ingénierie pour MPC8321VRADDC — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit | MPC8321EVRADDC | MPC8323EVRAFDA | MPC8313CVRADDB |
|---|---|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Package | 516-PBGA (27x27) | 516-PBGA (27x27) - same | 516-PBGA (27x27) - same | 516-PBGA (27x27) - same |
| Core Architecture | PowerPC e300c2 | PowerPC e300c2 | PowerPC e300c2 | PowerPC e300 |
| Core Frequency | 266 MHz | 266 MHz | 266 MHz | up to 333 MHz |
| Security Engine (SEC) | No | Yes (crypto accelerator integrated) | Yes (crypto accelerator integrated) | No |
| QUICC Engine | Yes | Yes | Yes | No (uses different DMA block) |
| Ethernet MACs | Dual 10/100 Mbps | Dual 10/100 Mbps | Triple 10/100 Mbps | Dual 10/100 Mbps |
| Operating Temperature | 0C to 105C (DC grade) | 0C to 105C | 0C to 105C | -40C to +105C |
| Lifecycle Status | Last-Time-Buy window | Last-Time-Buy window | Last-Time-Buy window | Active (long-term supply) |
| Unit Price (qty 1, USD, est.) | 89.50 | 92.00-100.00 (adds SEC) | 98.00-110.00 (higher-end SoC) | 70.00-80.00 (no QE) |
Principaux différenciateurs
- No integrated Security Engine lowers cost and power (vs MPC8321EVRADDC)
- Cost-reduced vs MPC8323E family yet full QE block (vs MPC8323EVRAFDA)
- Long-time-supported software BSP ecosystem (vs MPC8313CVRADDB)
Notes de conception
The 516-ball PBGA at 27x27 mm requires a 4- or 6-layer PCB with continuous ground and power planes under the device. Per the Freescale/NXP hardware specification manual, route the DDR1/DDR2 signals on the top layer with matched-length groups (+/-50 mil tolerance) and isolate the 32-bit PCI bus from the Ethernet MACs. Provide at least 0.5 ounce copper planes for the 1.0V core and 1.5V/1.8V/2.5V I/O rails to minimize power-supply impedance over the wide BGA footprint.
Estimated (not from datasheet): at full load with 1.0V core at 0.6 A and 266 MHz, the device dissipates roughly 1.5-2.0 W. The 27x27 mm PBGA has theta_JA around 15-20 C/W with 1 oz copper on a standard 4-layer board, giving a junction-to-ambient rise of approximately 30-40 C at room temperature. For sealed enclosures with limited airflow we recommend adding a small top-side heatsink or routing 0.25 inch copper overflow around the BGA perimeter to keep Tj below 105 C.
Two common pitfalls: (1) confusing the VRADDC suffix with the VRADDA (industrial temp -40C to +85C) - the DC suffix means 0C to 105C commercial/extended and is NOT rated for industrial cold-start below 0C; (2) assuming hardware crypto is present because of the PowerQUICC II Pro family name - the non-E VRADDC has no SEC engine, so customers needing IPsec must select MPC8321EVRADDC or add an external crypto ASIC.
When routing the 32-bit DDR1/DDR2 bus with ECC (36 bits total), use 50 ohm controlled-impedance traces and place VTT termination resistors within 0.5 inch of the DRAM data strobe pins. The QUICC Engine serial bit-clock traces should be length-matched and routed over an unbroken ground plane to keep jitter under 100 ps at full operating frequency. Avoid routing Ethernet MII/RMII signals over split power planes.
Informations de conformité
RoHS and REACH compliant per NXP product page. AEC-Q100 not applicable (industrial/commercial communications processor, not automotive qualified). Halogen-free status not stated in the verified data; manufacturer datasheet should be consulted.