MPC8545PXAQGD557 - PowerQUICC III 1GHz SoC | NXP | Networking
MPN： MPC8545PXAQGD557 ✓ 啟用中MPC8545PXAQGD557 概覽
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.
直接替換替代品，適用於 MPC8545PXAQGD557 — 相同封裝，腳位對腳位相容。需重新設計 PCB 的不同封裝零件不列入。
此系列的變體
與下列產品可直接替換的同系列型號： MPC8545PXAQGD557 （相同外形與佔位） — 差異在於 Package.
MPC8545PXAQGD
✅ 直接替換📋 參考替代品（不在目錄中）
MPC8545PXANGB
✅ 直接替換聯絡詢價
查看資料表 →MPC8545CHXAQGD
✅ 直接替換📋 參考替代品（不在目錄中）
MPC8545PXAUPD
✅ 直接替換 ⚠️ 規格未經驗證📋 參考替代品（不在目錄中）
MPC8545PXAQGD557 最大額定值與電氣特性
| 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 |
| 封裝 | 783-FCPBGA (29x29 mm), flip-chip |
| 工作溫度 | 0C to +105C |
| Silicon Revision | R3.1 |
| 安裝類型 | Surface Mount (BGA) |
MPC8545PXAQGD557 783-fcpbga (29x29 mm), flip-chip 腳位配置指南
MPC8545PXAQGD557（783-fcpbga (29x29 mm), flip-chip 封裝）的腳位配置。 此數位 IC 包含 GPIO、通訊介面（UART、SPI、I2C）與電源腳位。替代腳位功能與配置選項請參閱製造商資料表。對嵌入式系統設計與 PCB 佈局至關重要。
無詳細腳位定義資料： MPC8545PXAQGD557.
請參閱 資料表 以查看完整腳位配置。
典型應用
MPC8545PXAQGD557 適用於 6 應用s: 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.
推薦
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.
推薦
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.
推薦
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.
推薦
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.
推薦
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.
推薦
推薦產品摘要
工程參考資料，適用於 MPC8545PXAQGD557 — 比較、設計指引及合規資訊。
選型指南
與替代品比較
| 參數 | 本產品 | 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 |
主要差異化特點
- Integrated security engine for line-rate IPsec/SSL (對比MPC8545PXANGB)
- Higher 1.0 GHz CPU speed grade (對比MPC8545PXANGB)
- Pin-to-pin compatibility within MPC8545 family (對比MPC8545PXAQGD)
設計說明
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.
合規資訊
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.
