SPC8548EPXAUJB - 1.333GHz PowerQUICC III e500 MPU | Freescale
部品番号: SPC8548EPXAUJB ✓ 生産中| 数量 | 単価 | 小計 |
|---|---|---|
| 1 | $161.02 | $161.02 |
| 10 | $152 | $1,520.00 |
| 100 | $140 | $14,000.00 |
| 250 | $130 | $32,500.00 |
| 500 | $120 | $60,000.00 |
SPC8548EPXAUJB 概要
A microprocessor (MPU) is an integrated circuit that contains the central processing unit of a computer system, including the arithmetic logic unit, control unit, registers, and memory management hardware. In the taxonomy of semiconductors, an MPU sits above microcontrollers (which integrate peripherals on-die) and below SoCs (which add application-specific accelerators). PowerQUICC III processors are part of NXP/Freescale's Power Architecture family, widely deployed in routers, switches, wireless base stations, and other communications infrastructure where deterministic performance and rich I/O are required.
Key features of the SPC8548EPXAUJB include the scalable e500 system-on-chip platform, Power Architecture technology, an integrated DDR memory controller, and a flexible multi-protocol communications engine. The e500 core delivers high IPC efficiency while supporting both 32-bit and 64-bit Book E instruction modes, and the device integrates four Gigabit Ethernet MACs alongside PCI Express and RapidIO interfaces for high-bandwidth system connectivity.
Architecturally, the SPC8548EPXAUJB combines the e500 superscalar core with a 512KB L2 cache, dual DDR memory controllers, and an enhanced QUICC Engine subsystem for serial protocol termination. This heterogeneous mix of compute, memory bandwidth, and serial I/O is what historically differentiated PowerQUICC III from generic embedded CPUs of the same era and made the family attractive for line-card and control-plane designs.
Typical applications include enterprise and carrier-grade routers, multiservice switches, wireless base stations, industrial control and instrumentation, and secure networking appliances. Industrial designers also use the part in long-lifecycle embedded platforms where software investment protection outweighs raw performance.
When designing with this device, pay close attention to power sequencing and the multi-rail supply structure documented in the Freescale hardware specifications. Decoupling, impedance-controlled DDR routing, and thermal management of the 783-ball BGA are mandatory considerations, and reference schematics from the Freescale MPC8548E hardware documentation should be the starting point for any new board revision.
This page synthesizes distributor pricing, verified alternatives, and practical design notes not found in the manufacturer datasheet.
ドロップイン代替品: SPC8548EPXAUJB — 同一パッケージでピン互換。PCBの作り直しが必要な異なるパッケージの部品は除外されています。
このシリーズのバリエーション
同一シリーズでドロップイン互換のモデル: SPC8548EPXAUJB （同一形状・フットプリント） — 相違点: Memory Controller, Package, Core Architecture, Family, Maximum Core Frequency.
クイック比較ツール — 並列比較する代替部品を選択:
MPC8548ECPXAUJB
✅ ドロップイン✓ 在庫あり
$199.5 / 個
データシートを見る →MPC8548EPXAQLB
✅ ドロップイン📋 参考代替品（カタログ未掲載）
MPC8548EVXAUJD
✅ ドロップイン📋 参考代替品（カタログ未掲載）
MPC8548EPXAVHB
✅ ドロップイン✓ 在庫あり
$135 / 個
データシートを見る →SPC8548EPXAUJB 最大定格＆電気的特性
| Core Architecture | PowerPC e500 |
| Family | PowerQUICC III / MPC85xx |
| Number of Cores | 1 |
| データバス幅 | 32-bit |
| Maximum Core Frequency | 1.333 GHz |
| パッケージ | 783-FCPBGA (29x29) |
| 実装タイプ | Surface Mount |
| Operating Temperature Grade | Extended (industrial) |
| Memory Controller | DDR (integrated) |
| Ethernet | Gigabit Ethernet MACs (integrated) |
| High-Speed I/O | PCI Express, RapidIO |
| Communications Engine | QUICC Engine subsystem |
| RoHS ステータス | Non-Compliant (per distributor listings) |
| Lead Free Status | Not lead-free |
SPC8548EPXAUJB 783-fcpbga (29x29) ピン配置ガイド
SPC8548EPXAUJB (783-fcpbga (29x29) パッケージ) のピン配置。 このデジタルICには、GPIO、通信インターフェース (UART、SPI、I2C)、および電源ピンが含まれています。代替ピン機能と設定オプションについては、メーカーのデータシートを参照してください。組み込みシステム設計とPCBレイアウトに不可欠です。
詳細なピン配置データはありません: SPC8548EPXAUJB.
詳細は データシート をご参照ください。
主な用途
SPC8548EPXAUJB の用途: 6 件s: Enterprise and Carrier-Grade Routers, Multiservice Switch Line Cards, Wireless Base Station Controllers, Industrial Control and Secure Networking Appliances, Long-Lifecycle Embedded Compute Platforms, PowerQUICC III Reference Design Reuse.
Enterprise and Carrier-Grade Routers
The SPC8548EPXAUJB fits enterprise and carrier-grade router designs because it combines the e500 core at 1.333 GHz with four integrated Gigabit Ethernet MACs and the QUICC Engine subsystem for serial protocol termination. Per Freescale product positioning, the device handles forwarding-plane and control-plane tasks in modular router line cards while preserving Power Architecture firmware investment. The 783-ball FC-PBGA exposes high-bandwidth DDR and PCI Express interfaces, and the extended-temperature grade supports thermally demanding central-office deployments. Compared with newer QorIQ parts, this MPU trades peak MHz for software stability across long product lifecycles - a critical factor in operator networks that require multi-year firmware certifications.
おすすめ
Multiservice Switch Line Cards
For multiservice switch line cards, the SPC8548EPXAUJB supplies 1.333 GHz of e500 compute plus integrated Gigabit Ethernet MACs and PCI Express for fabric uplinks. Per Freescale hardware specifications, the integrated DDR controller and QUICC Engine deliver deterministic throughput required for multi-protocol aggregation (Ethernet, ATM, TDM). The 783 FC-PBGA exposes enough I/O for backplane connectivity, allowing designers to consolidate what previously required a separate control processor. Industrial-grade silicon is required for the central-office thermal envelope, and the part's long-life-cycle status makes it well suited to multi-year operator contracts.
おすすめ
Wireless Base Station Controllers
The SPC8548EPXAUJB's 1.333 GHz e500 core and integrated DDR controller enable wireless base station control-plane and baseband preprocessing functions. Per the Freescale product documentation, the QUICC Engine handles TDM/E1 serial links that still interconnect 2G/3G radio controllers with the radio network. PCI Express and RapidIO provide expansion to co-processors for Layer-1 acceleration. The extended temperature grade supports outdoor-cabinet deployments, while Power Architecture BSPs have been hardened over many years for telecom deployments, lowering certification risk for vendors targeting long-lifecycle operator programs.
おすすめ
Industrial Control and Secure Networking Appliances
Industrial control systems and secure networking appliances leverage the SPC8548EPXAUJB's deterministic e500 execution, integrated DDR memory controller, and hardware-accelerated communications engine. Per Freescale product positioning, the platform supports secure boot, hardware encryption engines, and a long software lifecycle ideal for industrial gateways and firewalls. The extended-temperature grade and 783-ball FC-PBGA package suit ruggedized chassis, and DDR routing guidelines from the hardware specifications accommodate industrial memory subsystems. Compared with general-purpose application processors, this MPU provides predictable interrupt latency and field-proven firmware - critical when the appliance is in service for 10+ years.
おすすめ
Long-Lifecycle Embedded Compute Platforms
Long-lifecycle embedded compute platforms (test equipment, industrial printers, medical imaging controllers) are a natural fit for the SPC8548EPXAUJB. Per the manufacturer, the part is supported through Rochester Electronics for sustained supply, and the Power Architecture software ecosystem (Linux BSPs, VxWorks, Green Hills INTEGRITY) is mature. The 1.333 GHz e500 core and integrated peripherals remove the need for a separate memory controller or Ethernet MAC, simplifying board design. Industrial temperature grade plus RoHS non-compliant legacy inventory align with mature chassis designs that have already passed regulatory certification - eliminating the cost of re-qualification.
おすすめ
PowerQUICC III Reference Design Reuse
Designers maintaining existing PowerQUICC III reference designs can reuse the SPC8548EPXAUJB's schematics, layout, and firmware almost unchanged. Per Freescale's hardware specifications, the 783-ball FC-PBGA ball map is shared across the MPC8548E family, so verified DDR routing, SerDes reference, and power tree designs are reusable for both the original 1.333 GHz part and lower-speed siblings. This makes the device attractive for derivative SKUs - the same board can ship at multiple price points simply by changing the MPN suffix. The QUICC Engine peripheral drivers are also shared, eliminating costly firmware porting across SKUs.
おすすめ
おすすめ製品の概要
エンジニアリング参考データ: SPC8548EPXAUJB — 比較、設計ガイダンス、コンプライアンス情報。
選定ガイド
代替品との比較
| パラメータ | この製品 | MPC8548ECPXAUJB | MPC8548EPXAQLB | MPC8548EVXAUJD | MPC8548EPXAVHB |
|---|---|---|---|---|---|
| Brand | NXP Semiconductors (Freescale) | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Package | 783-FCPBGA (29x29) | 783-FCPBGA (29x29) - same | 783-FCPBGA (29x29) - same | 783-FCPBGA (29x29) - same | 783-FCPBGA (29x29) - same |
| Core Architecture | PowerPC e500 | PowerPC e500 | PowerPC e500 | PowerPC e500 | PowerPC e500 |
| Core Frequency | 1.333 GHz | 1.333 GHz | 1.0 GHz | 1.333 GHz | 1.0 GHz |
| Cores | 1 | 1 | 1 | 1 | 1 |
| Data Bus Width | 32-bit | 32-bit | 32-bit | 32-bit | 32-bit |
| Temperature Grade | Extended | Extended | Extended | Extended (wider range) | Extended |
| Integrated Ethernet MACs | 4x Gigabit | 4x Gigabit | 4x Gigabit | 4x Gigabit | 4x Gigabit |
| QUICC Engine | Yes | Yes | Yes | Yes | Yes |
主な差別化要因
- Drop-in 1.333 GHz e500 silicon with extended-temperature qualification （vs MPC8548EPXAQLB)
- Wider operating-temperature envelope for harsh environments （vs MPC8548EVXAUJD)
- Rochester Electronics sustaining inventory for long-lifecycle programs （vs MPC8548EPXAVHB)
設計ノート
The MPC8548E requires multiple supply rails (core VDD, I/O VDD, SerDes/PLL supplies, DDR supplies) with strict power-sequencing requirements. Per Freescale hardware specifications, the core voltage must be brought up before the I/O voltage, with monotonic ramps within the datasheet-defined slew rate window. Violating sequencing can permanently damage the silicon. Designers are advised to use the Freescale-recommended power controller or a discrete MOSFET-based sequencer, and to add a power-good reset to the e500 core's HRESET line.
The 783-ball FC-PBGA package has a typical theta-JA in the 10-15 C/W range with a properly designed 8-layer PCB and adequate via array under the thermal pad. Estimated: at 1.333 GHz with full peripheral utilization, expect 8-12 W of dissipation, requiring either a chassis heatsink or forced-air cooling. Designers should follow the Freescale thermal management application note and place at least a 6x6 thermal via array (0.3 mm drill, 0.5 mm pitch) under the package to maintain junction temperatures below 110 C.
The 783 FC-PBGA uses a 1.0 mm ball pitch, which demands 4 mil trace/space rules for escape routing and microvia (laser-drilled) stack-ups for inner balls. Per Freescale reference designs, an 8-layer stack-up with dedicated ground/power planes is recommended. DDR2/DDR3 routing requires matched-length fly-by topology per JEDEC specifications, and SerDes lanes (PCIe, RapidIO, SGMII) must be routed as 100-ohm differential pairs with intra-pair skew below 5 mil. Failing to honor these guidelines will close the eye diagram and cause link training failures.
Common pitfalls include: (1) ignoring e500 errata documented in the Freescale errata documents - always check the latest revision; (2) failing to honor DDR controller write leveling and gate training calibration, which causes intermittent boot failures; (3) connecting the JTAG pins in a way that prevents boundary scan, complicating board bring-up; (4) using the wrong reference clock for the SerDes block - the SPC8548E expects differential LVPECL or HCSL, not single-ended LVCMOS. Always start with the Freescale reference design and deviate only after measuring margins.
コンプライアンス情報
RoHS non-compliant per independent distributor listings as of 2026-10-17 (legacy NXP/Freescale silicon). Reach, AEC-Q100, halogen-free, and conflict-mineral status not explicitly stated in the provided verified data; AEC-Q100 is not applicable for a high-end MPU not targeted at automotive.
