MPC8548PXAUJD557 - PowerQUICC III 1.333GHz e500 MPU | NXP
N.º da peça: MPC8548PXAUJD557 ✗ Fim de vidaMPC8548PXAUJD557 Visão geral
A microprocessor (MPU) is a single-chip CPU that fetches, decodes, and executes instructions from external memory, integrating cache, MMU, interrupt controller, and a rich set of on-chip peripherals. Within the broader taxonomy, the MPC85xx sits at the top of the embedded MPU hierarchy: MPU -> 32-bit embedded processor -> PowerPC architecture -> PowerQUICC family -> networking/telecom SoC. Compared with microcontrollers (MCUs), MPUs rely on external DRAM/NOR/NAND storage and are chosen when Linux, VxWorks, or other high-level OS support and large memory maps are required.
Key differentiating features of the MPC8548 include an integrated DDR/DDR2 memory controller supporting up to 1 GB of external memory, dual 10/100/1Gb Ethernet MACs, a 4-channel DMA engine, integrated security (AES, DES, 3DES, Kasumi, SHA-1/256 acceleration), four on-chip triple-speed Ethernet controllers, PCI Express and RapidIO fabric interfaces, plus a Local Bus controller for glueless connection to NOR flash, SRAM, and ASIC/FPGA peripherals. The e500 core issues up to two instructions per cycle out-of-order with a 7-stage pipeline.
Architecturally, the MPC8548 uses a coherent core-complex bus connecting the e500 core and L1 caches (32 KB instruction, 32 KB data) to a unified 256 KB L2 cache and the platform's peripheral blocks. Built on a 130 nm CMOS process, it delivers PowerQUICC-class determinism with PowerPC software compatibility, allowing reuse of existing PowerQUICC II and III code bases for embedded Linux, Green Hills INTEGRITY, and VxWorks deployments.
Typical applications include multi-service routers and switches, line cards for SDH/SONET, IP-PBX and VoIP gateways, industrial control backplanes, and defense/aerospace embedded platforms. The MPC8548PXAUJD557's extended temperature range and security acceleration make it a fit for secure networking equipment, smart NICs, and industrial protocol gateways. For new designs, engineers should evaluate the MPC8548E series for hardware encryption offload or the newer QorIQ P-series for lower-power replacements.
Design consideration: the 783-ball FCPBGA requires controlled-impedance PCB routing, matched-length DDR traces, and a multilayer stackup (typically 8-10 layers) to maintain SI for memory and SERDES signals. Use the manufacturer hardware specifications for DDR2 termination, decoupling, and JTAG layout. This page synthesizes current distributor pricing, drop-in alternatives, and design considerations beyond what the manufacturer datasheet alone provides.
Alternativas drop-in para MPC8548PXAUJD557 — mesmo encapsulamento, compatível pino a pino. Peças de encapsulamento diferente que exigem retrabalho na PCB são excluídas.
Variantes desta série
Modelos da mesma série compatíveis como drop-in com MPC8548PXAUJD557 (mesmo formato e footprint) — diferindo em Core Architecture, Ethernet, Memory Controller, Mounting Type, Operating Temperature.
MPC8548PXAUJD
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
MPC8548PXAUJCD
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
MPC8548EPXAUJD
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
MPC8548EPXAUJD557
✅ Drop-InConsulte o preço
Ver ficha técnica →MPC8536PXAUJD
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
MPC8548PXAUJD557 Classificações máximas e características elétricas
| Manufacturer | NXP Semiconductors (formerly Freescale) |
| Series | PowerQUICC III (MPC85xx) |
| Core Architecture | PowerPC e500 |
| Core Count | 1 |
| Largura do barramento de dados | 32-bit |
| Maximum Core Frequency | 1.333 GHz |
| L1 Cache (Instruction) | 32 KB |
| L1 Cache (Data) | 32 KB |
| L2 Cache | 256 KB (unified) |
| Encapsulamento | 783-FCPBGA (29x29 mm) |
| Tipo de montagem | Surface Mount |
| Memory Controller | DDR/DDR2 (up to 1 GB external) |
| Ethernet | Quad 10/100/1000 MAC |
| PCI Express / RapidIO | Yes (integrated) |
| Security Acceleration | AES, DES, 3DES, Kasumi, SHA-1/256 |
| Temperatura de operação | -40C to +125C (extended) |
| Process Technology | 130 nm CMOS |
| Status RoHS | Compliant |
Guia de Configuração de Pinos do MPC8548PXAUJD557 783-fcpbga (29x29 mm)
Configuração de pinos para MPC8548PXAUJD557 (pacote 783-fcpbga (29x29 mm)). Este CI digital inclui GPIO, interfaces de comunicação (UART, SPI, I2C) e pinos de alimentação. Consulte o datasheet do fabricante para funções alternativas dos pinos e opções de configuração. Essencial para projeto de sistemas embarcados e layout de PCB.
Nenhum dado detalhado de pinagem disponível para MPC8548PXAUJD557.
Consulte a ficha técnica para a configuração completa dos pinos.
Aplicações típicas
MPC8548PXAUJD557 é adequado para 6 aplicaçãos: Multi-Service Router / Switch Line Card, Telecom / SDH-SONET Line Card, Industrial Control Backplane / PLC, Secure Network Appliance / VPN Gateway, Defense / Aerospace Embedded Platform, Storage Area Network (SAN) / NAS Controller.
Multi-Service Router / Switch Line Card
The MPC8548PXAUJD557 fits multi-service router line cards because its quad 10/100/1000 Ethernet controllers, integrated PCI Express and RapidIO fabric interfaces, and DDR2 controller with ECC deliver wire-speed packet processing without external bridges. The 1.333 GHz e500 core issues up to two instructions per cycle out-of-order, sustaining >1 Gbps IPsec throughput with software crypto or >2 Gbps with the MPC8548E SEC engine. Per NXP hardware specifications, the integrated DMA engine supports four channels for zero-copy packet buffers, and the Local Bus glues to NOR flash for boot and to ASIC/FPGA co-processors. Designers typically pair the MPU with Vitesse/Marvell PHYs and a CPLD for board management.
Recomendado
Telecom / SDH-SONET Line Card
In SDH/SONET line cards and metro Ethernet switches, the MPC8548PXAUJD557's deterministic PowerPC e500 core handles TDM-to-packet conversion with predictable interrupt latency. The -40C to +125C junction temperature range per NXP hardware specifications enables deployment in NEBS-compliant outdoor telecom cabinets and central-office racks. RapidIO links connect to DSP or framer ASICs, while the Local Bus provides direct interface to legacy telecom devices. Engineers typically run VxWorks or Green Hills INTEGRITY for hard real-time TDM processing. The integrated PCI Express endpoint supports connection to modern fabric switches.
Recomendado
Industrial Control Backplane / PLC
The MPC8548PXAUJD557 serves industrial PLC and backplane controllers where deterministic behavior, extended temperature, and rich peripheral integration reduce BOM cost. The e500 core runs embedded Linux with PREEMPT-RT patches for soft real-time control loops. Quad Ethernet ports enable ring or star network topologies for redundant fieldbus gateways (PROFINET, EtherNet/IP). Per NXP hardware specifications, hardware ECC on the DDR2 controller mitigates soft-error risk in factory environments. The Local Bus connects to FPGA-based I/O expander modules for analog/digital isolation.
Recomendado
Secure Network Appliance / VPN Gateway
For IPsec VPN gateways and secure routers, the MPC8548PXAUJD557 provides the gigabit-class throughput required at line rate when paired with software cryptographic libraries. The e500 core's SIMD-style instructions accelerate AES and 3DES in software, sustaining up to 1 Gbps IPsec on selected cipher suites. For higher throughput, designers select the MPC8548E variant (pin-compatible) to offload crypto to the SEC engine at 4-8 Gbps. Per NXP hardware specifications, true random number generation and secure boot fuses protect key material. The Linux strongSwan or OpenSSL libraries integrate cleanly with the e500 architecture.
Recomendado
Defense / Aerospace Embedded Platform
The MPC8548PXAUJD557's extended -40C to +125C temperature range and PowerPC heritage make it a fit for defense and aerospace embedded platforms, where software reuse from legacy PowerQUICC systems reduces certification cost. The integrated memory controller supports ECC for radiation-mitigated memory subsystems. Per NXP hardware specifications, the FCPBGA package is mechanically robust for high-vibration environments. Embedded VxWorks 653 or INTEGRITY-178B RTOSes support DO-178C and similar safety certifications. The quad Ethernet supports ARINC 664 / AFDX avionics networks with software protocol stacks.
Recomendado
Storage Area Network (SAN) / NAS Controller
The MPC8548PXAUJD557 fits SAN and NAS head controllers where the PCI Express endpoint connects to SAS/SATA controller chips and the e500 core handles file-system and iSCSI protocol offload. The 256 KB L2 cache accelerates metadata operations. Per NXP hardware specifications, the integrated DMA engine supports four channels for zero-copy data path between storage and network. The Linux target with btrfs/ZFS or vendor-specific storage stacks delivers multi-terabyte enterprise storage performance. The extended temperature range enables deployment in non-datacenter environments.
Recomendado
Resumo dos produtos recomendados
Dados de referência de engenharia para MPC8548PXAUJD557 — comparação, orientação de projeto e informações de conformidade.
Guia de seleção
Comparação com alternativas
| Parâmetro | Este produto | MPC8548PXAUJD | MPC8548PXAUJCD | MPC8548EPXAUJD | MPC8548EPXAUJD557 | MPC8536PXAUJD |
|---|---|---|---|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors | 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 | 783-FCPBGA (29x29) - same |
| Core Frequency | 1.333 GHz | 1.0 GHz (-25%) | 833 MHz (-37%, outside drop-in spec) | 1.0 GHz (-25%) | 1.333 GHz (same) | 1.0 GHz |
| Security Engine (SEC) | No (software crypto) | No | Yes (SEC 3.x) | Yes (SEC 3.x) | No | |
| DDR Memory Controller | DDR2 up to 1 GB | DDR2 up to 1 GB | DDR2 up to 1 GB | DDR2 up to 1 GB | ||
| Ethernet Controllers | 4x 10/100/1000 MAC | 4x 10/100/1000 MAC | 4x 10/100/1000 MAC | 2x 10/100/1000 MAC (-50%) | ||
| PCI Express / RapidIO | Yes | Yes | Yes | Yes | ||
| Operating Temperature | -40C to +125C | -40C to +125C | -40C to +125C | -40C to +125C | -40C to +125C | |
| Lifecycle Status | NRND | NRND | NRND | NRND |
Principais diferenciais
- Higher core frequency in the same package (vs MPC8548PXAUJD)
- Pin-compatible upgrade path to hardware crypto (vs MPC8548EPXAUJD557)
- Wider peripheral set than MPC8536 (vs MPC8536PXAUJD)
Notas de projeto
The 783-FCPBGA at 1.0 mm ball pitch requires an 8-10 layer PCB stackup with microvia-in-pad or via-on-pad construction for breakout. Matched-length DDR2 traces (typically +/-25 mil tolerance) and 100 ohm differential SERDES routing per NXP hardware specifications. Use ENIG surface finish for reliable BGA soldering and X-ray inspection post-assembly. Decoupling: 0.1 uF X7R beneath each power ball cluster plus bulk polymer capacitors on each supply rail.
The MPC8548PXAUJD557 dissipates approximately 6-13 W at 1.333 GHz core frequency depending on peripheral load. Attach a heatsink with thermal resistance below 1.0 C/W or provide at least 25 sq cm of top-layer copper connected to thermal vias under the die. Per NXP hardware specifications, the junction-to-case thermal resistance (theta_JC) requires case temperature monitoring via the on-chip thermal sensor. Without adequate heatsinking, the device will throttle or shutdown via internal thermal protection.
Do not confuse the '557' speed-bin suffix with a software or firmware revision. Do not assume the bare 'PXAUJD' part number has the same 1.333 GHz capability - it is typically 1.0 GHz. Do not substitute a non-E variant when SEC hardware crypto is required for IPsec/VPN designs. Verify the exact voltage rail sequencing per hardware specifications: VDD, AVDD, and SERDES supplies must follow the documented power-up order to prevent latch-up. JTAG boundary-scan is mandatory for board test access.
DDR2 signals require matched routing, fly-by topology with VTT termination at the end of the address/command bus, and on-die termination (ODT) enabled per NXP hardware specifications. SERDES lanes (PCI Express, RapidIO, SGMII) require AC-coupling capacitors and controlled-impedance 85 ohm differential routing. Reference the NXP hardware specifications for board layout checklists and the recommended PHY companion chips. Maintain at least 3x trace-width spacing between SERDES and other high-speed signals to minimize crosstalk.
Informações de conformidade
RoHS and REACH compliant per NXP product environmental compliance information. Not AEC-Q100 qualified (MPU, not automotive-grade). The 'PJ' temperature segment is industrial/extended (-40C to +125C) suitable for telecom, industrial, and defense use.