MPC8271CVRMIBA - PowerQUICC II 266MHz MPU | NXP 516-BGA
料号： MPC8271CVRMIBA ⚠ 最后一次采购| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $21.74 | $21.74 |
| 10 | $19.85 | $198.50 |
| 100 | $17.95 | $1,795.00 |
| 500 | $15.4 | $7,700.00 |
| 1,000 | $13.1 | $13,100.00 |
MPC8271CVRMIBA 概述
A microprocessor (MPU) is the central processing unit of an embedded system, executing operating systems, network stacks, and protocol code. The PowerQUICC II family sits in the broader taxonomy of: MPU -> embedded processor -> RISC processor -> communications processor -> networking SoC. The integrated CPM offloads DMA, HDLC, Ethernet, ATM, and serial peripherals from the core, enabling deterministic throughput without consuming CPU cycles.
Key features include 16 Kbytes of instruction cache and 16 Kbytes of data cache, a 32-bit PCI bridge, dual 10/100 Ethernet MACs, a 60x-compatible system bus, and DRAM/SDRAM memory controllers. The device operates from a 3.3 V I/O supply with a 1.5 V core voltage and supports industrial-grade temperatures from -40C to +105C.
The architecture combines a PowerPC G2_LE core with a CPM coprocessor interconnected via an internal 32-bit bus. This dual-engine design excels at packet processing because the CPM handles time-critical I/O while the core runs control-plane code. Hardware encryption and security acceleration are available on certain family members.
Typical applications include SOHO and SMB routers, integrated access devices, DSLAM line cards, wireless base-station controllers, and industrial protocol gateways. The integrated Ethernet MACs and PCI interface minimize external component count for compact networking designs.
When designing with this part, pay close attention to the 516-ball BGA routing and the multi-rail power sequencing (1.5 V core before 3.3 V I/O). Decoupling must follow NXP's reference design exactly to meet AC timing on the 60x bus.
This page synthesizes distributor pricing, pin-compatible drop-in alternatives within the PowerQUICC II family, and practical design notes not found in the manufacturer datasheet.
直接替换替代料： MPC8271CVRMIBA ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
本系列中的变体
可与以下型号直接替换的同系列型号： MPC8271CVRMIBA （相同外形与封装尺寸） ——差异在于 Process Technology, Package, PCI Interface, Operating Temperature, Core Architecture.
快速对比工具——选择替代料号进行并排对比：
MPC8271VRMIBA
✅ 直接替换✓ 有现货
$53.4 / 个
查看数据手册 →MPC8271ZQMIBA
✅ 直接替换✓ 有现货
$12.85 / 个
查看数据手册 →MPC8272CVRMIBA
✅ 直接替换✓ 有现货
$62.8 / 个
查看数据手册 →MPC8247CVRMIBA
✅ 直接替换✓ 有现货
$19.95 / 个
查看数据手册 →MPC8247CZQMIBA
✅ 直接替换✓ 有现货
$21.45 / 个
查看数据手册 →MPC8280VVQLDA
✅ 直接替换📋 参考替代料（不在目录中）
MPC8271CVRMIBA 最大额定值与电气特性
| Core Processor | PowerPC G2_LE |
| Number of Cores | 1 Core, 32-Bit |
| 最大时钟频率 | 266 MHz |
| Co-Processor / DSP | Communications; RISC CPM |
| RAM Controllers | DRAM, SDRAM |
| Graphics Acceleration | No |
| Display & Interface Controllers | None |
| USB | None (per datasheet) |
| 工作电源电压 | 3.3 V I/O, 1.5 V core |
| Process Technology | 0.13 µm HiP7 |
| 工作温度 | -40C to +105C |
| 封装 | 516-PBGA (TEBGA), 27x27 mm |
| 安装类型 | Surface Mount (BGA) |
MPC8271CVRMIBA 516-pbga (tebga), 27x27 mm 引脚配置指南
MPC8271CVRMIBA（516-pbga (tebga), 27x27 mm 封装）的引脚配置。 该数字 IC 包含 GPIO、通信接口（UART、SPI、I2C）和电源引脚。请参阅制造商数据手册以了解复用引脚功能和配置选项。对嵌入式系统设计和 PCB 布局至关重要。
暂无详细引脚数据： MPC8271CVRMIBA.
请参阅 数据手册 以查看完整引脚配置。
典型应用
MPC8271CVRMIBA 适用于 6 应用s: SOHO Router and Gateway, DSLAM Line Card, Wireless Base Station Controller, Industrial Protocol Gateway, VoIP Media Gateway, Network Attached Storage Controller.
SOHO Router and Gateway
The MPC8271CVRMIBA's two integrated 10/100 Ethernet MACs and CPM with offloaded HDLC/UART make it a strong fit for SOHO routers, integrated access devices, and residential gateways. The PowerPC G2_LE core runs the routing stack and management plane while the CPM handles NAT, firewall filtering, and WAN protocol termination in firmware. At 266 MHz the device can sustain line-rate processing for typical 100 Mbps WAN links, and the PCI bridge enables connection to a Wi-Fi SoC or DSP for voice. Compared with discrete router architectures, the integrated CPM cuts external component count, BOM cost, and PCB area. ROHS source (per NXP datasheet).
推荐
DSLAM Line Card
In DSLAM line cards the MPC8271CVRMIBA serves as the aggregation processor, terminating ATM or PTM traffic from many DSL channels and forwarding it upstream. The CPM's hardware HDLC controllers, ATM AAL segmentation, and multi-channel DMA enable deterministic per-channel processing without loading the G2_LE core. The 60x-compatible system bus connects to line-card framers, while the PCI bus attaches to upstream switch fabric. Industrial temperature range (-40C to +105C) supports central-office deployment. The 516-ball BGA package fits compact line-card form factors with high-density routing.
推荐
Wireless Base Station Controller
The MPC8271CVRMIBA's CPM excels at managing the high-volume, time-deterministic serial traffic typical of GSM/UMTS base-station controllers. RISC firmware in the CPM terminates Abis/Iub links, performs multiplexing, and forwards payload over the PCI bus to baseband cards. The PowerPC core runs OAM, configuration, and synchronization stacks. Industrial temperature range ensures operation in outdoor or uncontrolled-cabinet deployments. ROHS source (per NXP product environmental page).
推荐
Industrial Protocol Gateway
For industrial protocol conversion (Modbus, Profibus, CAN, EtherCAT), the MPC8271CVRMIBA provides deterministic serial I/O through the CPM and Linux OS support on the G2_LE core. The CPM's UART, HDLC, SPI, and I2C controllers handle multiple field-bus channels simultaneously, while the core runs the protocol-conversion application. The industrial temperature range (-40C to +105C) and BGA package suit DIN-rail or wall-mounted industrial gateways. The PCI bus enables expansion cards for additional field-bus interfaces.
推荐
VoIP Media Gateway
The MPC8271CVRMIBA's CPM with ATM, HDLC, and time-division-multiplexed serial controllers suits VoIP media gateways that need to bridge TDM PSTN circuits to packet networks. The G2_LE core runs RTP/RTCP, SIP signaling, and DSP control, while the CPM handles TDM framing, echo-canceller coordination, and ATM adaptation. The PCI bus hosts DSP cards for voice compression, and the Ethernet MACs uplink to IP backhaul. ROHS source (per NXP datasheet).
推荐
Network Attached Storage Controller
The MPC8271CVRMIBA can serve as a controller for small/medium NAS appliances, with the PowerPC G2_LE core running a lightweight NAS OS and the PCI bus connecting to SATA or SCSI host adapters. The two integrated Ethernet MACs support link aggregation and bonding for higher throughput. The CPM's serial channels support front-panel displays and management interfaces. Compared to microcontroller-based NAS solutions, the PowerQUICC II offers multi-tasking headroom and proven network-stack support.
推荐
推荐产品汇总
工程参考数据： MPC8271CVRMIBA ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 | MPC8271VRMIBA | MPC8271ZQMIBA | MPC8272CVRMIBA | MPC8247CVRMIBA |
|---|---|---|---|---|---|
| Package | 516-PBGA (TEBGA) 27x27 mm | 516-PBGA (TEBGA) 27x27 mm - same | 516-PBGA (TEBGA) 27x27 mm - same | 516-PBGA (TEBGA) 27x27 mm - same | 516-PBGA (TEBGA) 27x27 mm - same |
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Core | PowerPC G2_LE | PowerPC G2_LE | PowerPC G2_LE | PowerPC G2_LE | PowerPC G2_LE |
| Hardware Encryption | No | No | No | Yes (AES/3DES/SHA/Kasumi) | No |
| CPM | Yes (full) | Yes | Yes | Yes | Yes (reduced) |
| PCI Interface | 32-bit PCI | 32-bit PCI | 32-bit PCI | 32-bit PCI | 32-bit PCI |
关键差异点
- Integrated dual Ethernet MACs in a single 516-ball BGA （对比 MPC8247CVRMIBA)
- No hardware encryption engine keeps cost lower （对比 MPC8272CVRMIBA)
- 266 MHz speed grade optimizes cost/performance （对比 MPC8271ZQMIBA)
设计说明
The MPC8271CVRMIBA requires two supply rails: 1.5 V for the core and 3.3 V for I/O. Power sequencing must bring the 1.5 V core rail up before the 3.3 V I/O rail to prevent latch-up. Decoupling follows NXP's reference design: place 0.1 µF X7R ceramics close to each power pin near the BGA, with bulk 22 µF tantalums on each rail within 1 inch of the package. Use a low-impedance ground via array under the BGA thermal pad.
The 516-ball TEBGA at 1.0 mm pitch requires a 4-layer or 6-layer PCB with microvias for BGA escape. Route the 60x system bus and DDR memory interface with matched-length pairs (target ±50 mil) and 50 Ω controlled impedance per NXP's hardware specifications. Maintain a continuous ground reference plane under the BGA and avoid signal routing across plane splits on the top layer.
Estimated: at 1.5 V core and 266 MHz, the MPC8271CVRMIBA dissipates approximately 2-3 W worst case with full CPM activity. With a typical BGA thermal pad theta_JA of 15-20 C/W on a 6-layer PCB, junction rise is 30-60 C above ambient. For sealed enclosures above 60 C ambient, attach a small heatsink or thermal pad to the top of the package and provide airflow. Verify thermal in-system with measured Tj under worst-case workload.
Do not assume all MPC82xx family members are pin-compatible across all variants - only the listed drop-in equivalents share the same 516-ball TEBGA footprint. The MPC8271 differs from MPC8250 in CPM microcode and bus width; verify before substituting. Also ensure your boot ROM and reset configuration pins match the chosen variant's POR defaults.
合规信息
RoHS compliance per distributor parametric data. Lead-free TEBGA ball finish per NXP product environmental page. Halogen-free status not explicitly listed in retrieved data. AEC-Q100 not applicable for communications MPU.
