MPC8545PXAQGD557 - PowerQUICC III 1GHz SoC | NXP | Networking
Référence : MPC8545PXAQGD557 ✓ ActifMPC8545PXAQGD557 Présentation
What is a PowerQUICC SoC? A PowerQUICC (pronounced "power-quick") is a family of communications-processor system-on-chip devices originally developed by Motorola and now produced by NXP Semiconductors. The PowerQUICC III generation is the third architectural generation, built on the e500 Power Architecture core and targeted at networking, telecom, and embedded-control applications where deterministic packet processing, multi-protocol I/O, and tight CPU-to-memory performance are required. Within the broader taxonomy, PowerQUICC III sits below general-purpose SoCs (e.g., NXP Layerscape) and above legacy PowerQUICC II parts, all of which belong to the embedded networking processor category within Integrated Circuits > Microcontrollers.
Key features of the MPC8545PXAQGD557 include an integrated double-precision floating-point unit, 32 KB instruction and 32 KB data L1 caches, a 256 KB unified L2 cache with ECC, two SerDes interfaces configurable for SGMII, PCIe, SRIO, or HiGig, a four-channel DMA controller, and a multi-protocol QUICC Engine for legacy TDM and HDLC termination. The device also includes security acceleration via an integrated SEC engine (AES, DES, SHA, RNG), enabling IPsec and SSL offload in line-rate networking designs.
Typical applications include enterprise routers and switches, line cards for Multi-Service Edge platforms, base-station baseband controllers, networked storage controllers (NAS/iSCSI), industrial control planes with GbE uplinks, and secure VPN gateways. When designing with the MPC8545PXAQGD557, ensure PCB layout follows the flip-chip BGA substrate guidelines in the NXP hardware specification, with matched-length traces on the DDR2 byte lanes and AC-coupled links on the SerDes lanes. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.
Alternatives de remplacement direct pour MPC8545PXAQGD557 — 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 MPC8545PXAQGD557 (même facteur de forme et même empreinte) — différant par Package.
MPC8545PXAQGD
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
MPC8545PXANGB
✅ Remplacement directContactez-nous pour le prix
Voir la fiche technique →MPC8545CHXAQGD
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
MPC8545PXAUPD
✅ Remplacement direct ⚠️ Spécifications non vérifiées📋 Alternative de référence (hors catalogue)
MPC8545PXAQGD557 Valeurs maximales et caractéristiques électriques
| Architecture | PowerQUICC III (e500 core) |
| Core | 32-bit Power Architecture e500, 1 core |
| Maximum CPU Frequency | 1.0 GHz |
| L1 Cache | 32 KB instruction + 32 KB data |
| L2 Cache | 256 KB unified, with ECC |
| Memory Controller | DDR2 SDRAM with ECC |
| Ethernet | 2x Gigabit Ethernet (SGMII) |
| PCI / PCI-X / PCIe | 3x controllers |
| Serial RapidIO | Yes (via SerDes) |
| QUICC Engine | Multi-protocol (TDM / HDLC) |
| Security Engine | SEC 2.x (AES, DES, SHA, RNG) |
| DMA | 4-channel |
| Boîtier | 783-FCPBGA (29x29 mm), flip-chip |
| Température de fonctionnement | 0C to +105C |
| Silicon Revision | R3.1 |
| Type de montage | Surface Mount (BGA) |
Guide de configuration des broches du MPC8545PXAQGD557 783-fcpbga (29x29 mm), flip-chip
Configuration des broches du MPC8545PXAQGD557 (boîtier 783-fcpbga (29x29 mm), flip-chip). 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 MPC8545PXAQGD557.
Consultez la fiche technique pour la configuration complète des broches.
Applications typiques
MPC8545PXAQGD557 convient pour 6 applications: Enterprise Router Line Card, Multi-Service Access Platform, Network Attached Storage Controller, Wireless Base Station Baseband Controller, Industrial Control Plane with GbE Uplink, Secure VPN Gateway.
Enterprise Router Line Card
The MPC8545PXAQGD557 is purpose-built for enterprise router line cards where deterministic forwarding, multi-protocol I/O, and crypto offload converge. Its e500 core at 1.0 GHz processes routing tables at line rate, while dual Gigabit Ethernet (SGMII) and Serial RapidIO interfaces terminate uplinks and switch-fabric connections. The integrated SEC engine offloads IPsec and SSL/TLS at 1-2 Gbps, removing CPU load from data-plane encryption. Compared to a generic SoC, the MPC8545PXAQGD557 combines a high-speed DDR2 controller with ECC, enabling memory-mapped packet buffers without integrity risk. Placed on the line card with a PHY on each SGMII lane and a DDR2-800 memory array, it scales from fixed-configuration routers to modular chassis with multiple MPC8545 instances.
Recommandé
Multi-Service Access Platform
Multi-Service Edge platforms benefit from the MPC8545PXAQGD557's combination of GbE, PCI/PCI-X, and the legacy QUICC Engine for TDM/HDLC termination. The e500 core at 1 GHz runs the control-plane OS while the QUICC Engine handles channelized T1/E1 framing in hardware. According to NXP PowerQUICC documentation, this dual-mode architecture eliminates the need for an external framer chip, reducing BOM and PCB area. The 783-FCPBGA package supports the dense layout typical of MSAP designs where multiple line interfaces share a backplane. For DSLAM or GPON OLT applications, the MPC8545PXAQGD557's SerDes lanes connect directly to the PHY without external glue logic.
Recommandé
Network Attached Storage Controller
In NAS and iSCSI storage controllers, the MPC8545PXAQGD557 provides the CPU, memory controller, and I/O fabric needed for file-serving workloads. Its 1.0 GHz e500 core runs embedded Linux or VxWorks with NFS/SMB stacks, while the DDR2 controller with ECC handles memory-mapped I/O buffers. The integrated SEC engine accelerates AES-XTS for at-rest encryption, important for compliance with FIPS and data-protection regulations. Dual GbE interfaces support LACP link aggregation to the storage fabric. The 783-FCPBGA's flip-chip thermal performance allows sustained throughput without throttling under heavy disk I/O, a common failure point in less optimized designs.
Recommandé
Wireless Base Station Baseband Controller
The MPC8545PXAQGD557 is used as a baseband controller in 3G/4G wireless base stations where deterministic packet processing and multi-protocol I/O are essential. Its SerDes lanes connect to CPRI or OBSAI links toward the radio unit, while GbE interfaces terminate the backhaul to the core network. The e500 core runs the real-time baseband processing stack with cycle-accurate timing. Per NXP documentation, the SEC engine handles encryption on the air interface without impacting baseband throughput. Compared to a DSP-based architecture, the MPC8545PXAQGD557 integrates control and baseband paths in one device, simplifying board design and reducing component count.
Recommandé
Industrial Control Plane with GbE Uplink
Industrial control-plane designs use the MPC8545PXAQGD557 for deterministic Ethernet communication in substation automation, factory-floor controllers, and SCADA systems. The 0C to +105C operating range covers most industrial environments, and the SEC engine provides authentication and encryption for secure remote management. According to the NXP hardware specification, the e500 core's deterministic interrupt latency is suitable for IEC 61850-3 substation applications. The QUICC Engine handles legacy serial protocols still common in industrial settings, making the MPC8545PXAQGD557 a bridge between classic serial fieldbuses and modern IP-based control networks. The 783-FCPBGA package supports ruggedized PCB designs with underfill.
Recommandé
Secure VPN Gateway
The MPC8545PXAQGD557's integrated SEC engine makes it ideal for VPN gateway appliances where IPsec throughput is a key selling point. At 1.0 GHz, the device sustains 1-2 Gbps of IPsec encryption/decryption, sufficient for small-to-medium enterprise VPN concentrators. Dual GbE interfaces support WAN and LAN segmentation, while the DDR2 controller with ECC protects against memory-bit flips that could leak encryption keys. According to NXP, the SEC engine supports AES, DES/3DES, SHA-1/256, and RNG, covering all major VPN cipher suites. The 783-FCPBGA package allows compact fanless designs with adequate thermal margin in a sealed enclosure.
Recommandé
Récapitulatif des produits recommandés
Données de référence d'ingénierie pour MPC8545PXAQGD557 — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit | MPC8545PXAQGD | MPC8545PXANGB | MPC8545CHXAQGD |
|---|---|---|---|---|
| Package | 783-FCPBGA (29x29) | 783-FCPBGA (29x29) - same | 783-FCPBGA (29x29) - same | 783-FCPBGA (29x29) - same |
| Brand | NXP Semiconductors | NXP Semiconductors - same | NXP Semiconductors - same | NXP Semiconductors - same |
| CPU Frequency | 1.0 GHz | 1.0 GHz | 833 MHz | 1.0 GHz |
| Core Architecture | e500 (32-bit Power) | e500 (32-bit Power) | e500 (32-bit Power) | e500 (32-bit Power) |
| L2 Cache | 256 KB with ECC | 256 KB with ECC | 256 KB with ECC | 256 KB with ECC |
| DDR2 Controller | Yes, with ECC | Yes, with ECC | Yes, with ECC | Yes, with ECC |
| Security Engine (SEC) | Yes (SEC 2.x) | Yes (SEC 2.x) | Yes (SEC 2.x) | Yes (SEC 2.x) |
| Gigabit Ethernet | 2x SGMII | 2x SGMII | 2x SGMII | 2x SGMII |
| Operating Temperature | 0C to +105C | 0C to +105C | 0C to +105C | 0C to +105C |
Principaux différenciateurs
- Integrated security engine for line-rate IPsec/SSL (vs MPC8545PXANGB)
- Higher 1.0 GHz CPU speed grade (vs MPC8545PXANGB)
- Pin-to-pin compatibility within MPC8545 family (vs MPC8545PXAQGD)
Notes de conception
Estimated: the 783-FCPBGA flip-chip BGA has a typical theta_JA around 12-15 C/W with adequate PCB thermal vias and thermal pads. At 1.0 GHz with all interfaces active, worst-case power is approximately 6-8 W. A 4-layer PCB with thermal via array under the BGA is required; for sealed enclosures, derate by 20% and validate with a thermal probe. The device does not include an internal temperature sensor for thermal shutdown, so external monitoring is recommended for safety-critical applications.
Place 0.1uF decoupling capacitors within 2 mm of every power pin pair. Use a 4-layer PCB with continuous ground planes under the BGA to provide a low-impedance return path for SerDes and DDR2 signals. The DDR2 byte lanes require matched-length routing (within 25 mils) and 50-ohm controlled impedance; SerDes lanes are AC-coupled and require 100-ohm differential impedance per the NXP hardware specification. Do not route signals under the BGA ball field.
Do not assume that the MPC8545PXAQGD557 and non-E MPC8545 are interchangeable - the E variant includes the SEC engine. If a design is migrated to the non-E variant, software crypto offload must be implemented. The "557" suffix in the MPN indicates silicon revision 3.1 (R3.1); earlier revisions may have errata that affect SerDes or DDR2 functionality. Always check the latest NXP errata document for the specific silicon revision before production. JTAG pins must be brought out to a header for boundary-scan debug.
SerDes lanes require AC coupling capacitors (typically 100 nF) in series on each differential pair near the transmitter. Per NXP hardware specification, the reference clock must be a low-jitter source (under 1 ps RMS) for reliable link operation at 2.5 GHz and above. DDR2 clock-to-DQ skew must be tuned per byte lane using the on-chip deskew logic. Do not share SerDes reference clocks between unrelated lanes - crosstalk can degrade link margin.
Informations de conformité
RoHS status not explicitly stated in provided data; lead-free per flip-chip BGA construction standard for NXP. AEC-Q100 not applicable - this is a communications processor not an automotive-grade IC.
