MPC8548EPXAUJC557 - PowerQUICC III 1.333GHz MPU 783-FCPBGA | NXP
MPN： MPC8548EPXAUJC557 ✗ 停產MPC8548EPXAUJC557 概覽
A microprocessor (MPU) is an integrated circuit that fetches, decodes, and executes program instructions at high speed and serves as the central processing unit of an embedded system. Within the broader hierarchy it sits below application processors but above microcontrollers (MCUs), typically offering higher clock frequencies, MMU/MPU memory protection, external DRAM support, and rich I/O. The MPC85xx family adds hardware-accelerated networking and security blocks that offload packet processing and crypto from the core. Compared with a generic MPU, the PowerQUICC III family integrates RapidIO, multi-speed Ethernet, DDR2 memory controllers, and a programmable QUICC Engine, eliminating several discrete components from a typical line-card BOM.
Key features of the MPC8548EPXAUJC557 include a 32-bit PowerPC e500 core running at 1.333 GHz, dual-issue superscalar pipeline, integrated DDR/DDR2 SDRAM controller with ECC, four Gigabit Ethernet MACs, a Security Engine (SEC 4.0+) supporting DES/3DES/AES/SHA/RSA, RapidIO interconnect, PCI Express interface, and a programmable QUICC Engine for legacy telecom protocols. The device is offered in the 783-ball FC-PBGA (783-FCPBGA) package designed for high-density, high-speed signaling with controlled-impedance routing to support gigahertz-class operation.
The MPC8548E architecture combines an e500 core, 512 KB of internal L2 cache, and an integrated system-on-chip platform that includes the DDR2 memory controller and RapidIO fabric. Power is supplied on three rails (1.0 V core, 1.5 V DDR2 termination, and 2.5 V/3.3 V I/O) and the device is rated for the industrial -40 C to +105 C junction temperature range. The 90 nm CMOS process and advanced clock tree design give the die enough headroom to sustain 1.333 GHz with deterministic interrupt latency.
Typical applications for the MPC8548EPXAUJC557 include enterprise routers and switches, secure access gateways, multi-service line cards, industrial control and automation controllers, defense and aerospace embedded computing, single-board computers (VME/VPX), and protocol-aware network appliances. Designers select this part when deterministic gigahertz-class performance, integrated security, and multi-protocol I/O are required without resorting to a discrete CPU-plus-ASIC architecture.
When designing with this device, plan thermal dissipation first: at maximum CPU load the core can approach several watts, and the 783-FCBGA package demands a multilayer PCB with a continuous ground/power plane under the die and dedicated thermal vias. Decoupling must follow the datasheet's reference layout exactly to keep the high-speed SerDes and DDR2 interface within jitter budgets, and JTAG access (TDI/TDO/TCK/TMS/TRST) must be brought out to a 14-pin header for boundary-scan and code debug.
This page synthesizes distributor availability, package-level pricing, and engineering design considerations for the MPC8548EPXAUJC557 that go beyond the manufacturer datasheet, with side-by-side comparisons against other PowerQUICC III and QorIQ derivatives.
直接替換替代品，適用於 MPC8548EPXAUJC557 — 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： MPC8548EPXAUJC557 （相同外形與佔位） — 差異在於 Ethernet, Package, Series, Co-Processors / DSP, Mounting Type.
MPC8548EPXAUJC
✅ 直接替換聯絡詢價
查看資料表 →MPC8548EVXAUJC
✅ 直接替換📋 參考替代品（不在目錄中）
MPC8548EPXAQFC
✅ 直接替換📋 參考替代品（不在目錄中）
MPC8548ECPXAUJC
✅ 直接替換 ⚠️ 規格未經驗證聯絡詢價
查看資料表 →MPC8548EPXAUJH
✅ 直接替換 ⚠️ 規格未經驗證📋 參考替代品（不在目錄中）
MPC8548EPXAUJC557 最大額定值與電氣特性
| Manufacturer | NXP Semiconductors (formerly Freescale) |
| Series | PowerQUICC III MPC85xx |
| Core Processor | PowerPC e500 |
| Number of Cores | 1 |
| Bus Width | 32-bit |
| Core Frequency | 1.333 GHz |
| Co-Processors / DSP | Signal Processing Engine (SPE), Security Engine (SEC) |
| RAM Controllers | DDR, DDR2, SDRAM |
| Graphics Acceleration | No |
| Ethernet | Multi-Gigabit MACs (10/100/1000 Mbps) |
| 封裝 | 783-FCPBGA (29 mm x 29 mm) |
| 腳位數 | 783 |
| 安裝類型 | Surface Mount (FCBGA) |
| Process Technology | 90 nm CMOS |
| 供應電壓 | 1.0 V core / 1.5 V DDR2 / 2.5 V or 3.3 V I/O |
| 工作接面溫度 | -40 C to +105 C |
| Lead-Free | Unknown (datasheet not verified for lead-free finish) |
MPC8548EPXAUJC557 783-fcpbga (29 mm x 29 mm) 腳位配置指南
MPC8548EPXAUJC557（783-fcpbga (29 mm x 29 mm) 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： MPC8548EPXAUJC557.
請參閱 資料表 以查看完整腳位配置。
典型應用
MPC8548EPXAUJC557 適用於 6 應用s: Enterprise Router / Switch Line Card, Secure VPN / SSL Gateway Appliance, Industrial Automation Controller, Single-Board Computer (VME / VPX), Multi-Service Access Platform, Storage Area Network Controller.
Enterprise Router / Switch Line Card
The MPC8548EPXAUJC557 fits enterprise router line cards because its 1.333 GHz PowerPC e500 core delivers deterministic gigahertz-class packet processing while the integrated QUICC Engine offloads multi-protocol framing (HDLC, PPP, ATM, TDM) that legacy carrier Ethernet and MPLS backplanes still require. Its 4 integrated GigaBIT Ethernet MACs allow direct connection to SFP/QSFP PHYs without an external switch ASIC, and the dedicated Security Engine (SEC) accelerates IPsec and MACsec at line rate so VPN and 802.1AE links do not require a discrete crypto co-processor. Compared with a CPU-plus-NPU architecture, the MPC8548E reduces BOM cost, simplifies firmware, and shrinks PCB area on a 783-FCBGA footprint sized for high-density backplane designs.
推薦
Secure VPN / SSL Gateway Appliance
For SSL/TLS and IPsec gateway appliances the MPC8548EPXAUJC557 provides a hardware-accelerated Security Engine supporting AES-256, 3DES, SHA-256, and RSA at throughputs sufficient for branch-office VPN aggregation. The e500 core runs the control plane and routing stack while the SEC block performs bulk cipher operations, allowing sustained multi-gigabit IPsec throughput without dropping packets. The 783-FCBGA package is thermally suited to 1U/2U rackmount chassis where airflow can remove the 8-12 W dissipated at full CPU load, and the integrated DDR2 controller with ECC provides the memory bandwidth needed for large SA (Security Association) tables. Drop-in compatibility with other MPC8548E speed grades enables a single PCB to ship in multiple SKUs (1.0 GHz vs 1.333 GHz).
推薦
Industrial Automation Controller
The MPC8548EPXAUJC557 is suitable for high-end industrial automation and process controllers because it combines gigahertz-class CPU performance with industrial temperature grading (-40 C to +105 C junction) and a deterministic interrupt architecture suitable for real-time control loops. Its RapidIO fabric connects to distributed I/O and DSP co-processors for motion control, while the dual PCI Express ports attach to FPGA accelerators for high-speed ADC/DAC pipelines. The on-chip DDR2 controller with ECC supports long-duration data logging buffers required in supervisory control and data acquisition (SCADA) systems. Designers rely on the same 783-FCBGA footprint as other MPC8548E grades to ship multiple performance SKUs from one PCB layout.
推薦
Single-Board Computer (VME / VPX)
Defense and aerospace VME/VPX single-board computers benefit from the MPC8548EPXAUJC557 because the 783-FCBGA package keeps the processor within the BGA-retouch and rework-friendly footprint sizes used on ruggedized 6U VPX cards. The processor's integrated Gigabit Ethernet, RapidIO, and PCI Express cover the VPX backplane fabrics (1 GbE, sRIO, PCIe) without requiring external bridge chips. The integrated Security Engine enables secure boot and tamper-resistant key storage for sensitive mission payloads, while the -40 C to +105 C operating range accommodates conformal-coated ruggedized designs. Designers can also use lower-speed MPC8548E bins (MPC8548EPXAUJC, MPC8548EVXAUJC) on the same VPX layout for cost-engineered variants.
推薦
Multi-Service Access Platform
The MPC8548EPXAUJC557 powers multi-service access platforms that terminate legacy TDM (T1/E1), ATM, and Frame Relay alongside native Ethernet traffic. Its QUICC Engine supports HDLC, PPP, MLPPP, and ATM AAL2 protocols that carriers still deploy in access networks, while the e500 core runs the IP routing and management stack. The DDR2 controller holds large routing and connection tables, and the SEC block provides IPsec for IP services in the same chassis. The 783-FCBGA package enables high-density front-card designs with multiple PHY interfaces nearby, and its compatibility with the MPC8548EPXAUJC allows vendors to offer different speed grades on the same PCB.
推薦
Storage Area Network Controller
For iSCSI and Fibre Channel-over-Ethernet (FCoE) storage controllers the MPC8548EPXAUJC557 provides the throughput and protocol offload required to terminate 1 GbE/10 GbE storage traffic. The e500 core at 1.333 GHz plus the integrated multi-GigaBIT Ethernet MACs handle TCP/IP offload and iSCSI header processing, while the DDR2 controller with ECC ensures data-integrity for write-back caching. The PCI Express x4/x8 links attach to 10 GbE PHY cards or FCoE offload engines. Operating in industrial temperature ranges and using a long-life BGA package makes this processor suitable for enterprise storage arrays where 5+ year reliability is required.
推薦
推薦產品摘要
工程參考資料，適用於 MPC8548EPXAUJC557 — 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 | MPC8548EPXAUJC | MPC8548EVXAUJC | MPC8548EPXAQFC |
|---|---|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Package | 783-FCPBGA (29x29) | 783-FCPBGA (29x29) - same | 783-FCPBGA (29x29) - same | 783-FCPBGA (29x29) - same |
| Core | PowerPC e500 | PowerPC e500 | PowerPC e500 | PowerPC e500 |
| Security Engine (SEC) | Yes | Yes | Yes | Yes |
| RAM Controller | DDR/DDR2/SDRAM with ECC | DDR/DDR2/SDRAM with ECC | DDR/DDR2/SDRAM with ECC | DDR/DDR2/SDRAM with ECC |
| Lifecycle Status | Obsolete | Obsolete | Obsolete | Obsolete |
主要差異化特點
- Highest speed bin in the MPC8548E 783-FCBGA family (對比MPC8548EPXAUJC (1.0 GHz))
- Integrated Security Engine (SEC 4.0+) with crypto acceleration (對比Non-E MPC8548 variant)
- Quad Gigabit Ethernet MACs integrated (對比MPC8568 (different speed grade))
設計說明
Estimated: at maximum CPU load on the MPC8548EPXAUJC557, core power dissipation can reach 8-12 W depending on peripherals enabled and clock gating state. The 783-FCBGA package exposes a large die-side thermal pad; the PCB must include a continuous ground/power plane directly under the device with a 4x4 array of 0.3 mm thermal vias to a copper inner-plane heat-spreader. Forced airflow of at least 200 LFM is recommended for 1U chassis, and conformal-coated ruggedized designs should verify junction temperature below 105 C via on-die thermal diode and the datasheet's theta_JA characterization curves.
Layer stack-up must be a high-speed design with at least 8 layers and dedicated analog/digital separation: continuous ground on layer 2, DDR2 signals on layers 3-6 referenced to ground/power planes, and high-speed SerDes (PCIe, RapidIO, GigaBIT Ethernet) on outer microstrip/stripline layers with 90 ohm differential impedance. Reference the MPC8548E hardware-design guide for trace-length matching (DDR2 byte-lane matching within 25 mil, SerDes intra-pair within 5 mil). JTAG signals (TDI/TDO/TCK/TMS/TRST) must be brought out to a 14-pin 0.1-inch header for boundary-scan and debug.
The MPC8548EPXAUJC557 requires multi-rail sequencing: 1.0 V core must ramp first or simultaneously with 1.5 V DDR2, and the 2.5 V/3.3 V I/O rail must come up last to avoid latch-up. Use a sequencer IC (e.g., NXP MC34PF3000 or equivalent) and place 10 uF ceramic + 1 uF ceramic + 0.1 uF X7R bypass within 5 mm of each power pin. The DDR2 SSTL-18 reference voltage VTT must be a tracking LDO following the 1.5 V rail with 100 mV accuracy and 2 A peak current capability for write-heavy workloads.
Do not omit the POR (power-on-reset) supervisor and the HRESET pull-up - the MPC8548EPXAUJC557 will not exit reset cleanly without them, and missing POR causes intermittent boot failures in production. Ensure the SYSCLK differential pair is routed with 100 ohm differential impedance and isolated from noisy signals. The QUICC Engine TDM/HDLC serial pins are not hot-pluggable; do not assume they can be live-inserted onto a backplane without external protection.
合規資訊
Compliance data not found in the verified web search results; the part is NXP-obsolete, so current RoHS/REACH documentation must be requested from Rochester Electronics or via NXP PCN archive. The MPC8548E family is not AEC-Q100 qualified (not an automotive part).