MPC8248ZQMIBA - PowerQUICC II 266MHz MPU | NXP 516-PBGA
MPN： MPC8248ZQMIBA ⚠ 最後購買機會MPC8248ZQMIBA 概覽
An MPU (Microprocessor Unit) is a processor IC that contains a full CPU core plus on-die peripherals, MMU/FPU support, and memory controllers. The MPC8248 belongs to the broader hierarchy: MPU -> microprocessor -> processor -> integrated circuit -> semiconductor. PowerQUICC II parts were purpose-built for routers, DSLAM line cards, and industrial control, combining general-purpose PowerPC processing with on-chip communications engines.
Key features include a 266 MHz maximum CPU clock, 32-bit data bus, dual I2C and dual UART interfaces, DMA, timers, memory controller, and PCI bridge. The part supports 3.3V I/O operation and offers industrial temperature grade capability. Per NXP, the device integrates a 603e core with hardware MMU and a high-bandwidth internal bus for system memory and peripheral traffic.
The architecture pairs the 603e core with a CPM (Communications Processor Module) that offloads serial protocols from the CPU, making the part effective for routing/bridging, IDE/ATA, Fast Ethernet MACs, and HDLC/PPP termination. The 516-PBGA footprint and 0.13 µm process deliver a balanced cost/performance point for high-integration embedded designs.
Typical applications include wired communications line cards, enterprise router/switch control planes, IDE/storage controllers, and industrial automation. The integrated CPM reduces external glue logic and BOM cost in multi-protocol systems.
When designing, plan PCB layout for the 1.27 mm-pitch BGA with matched-length high-speed traces, respect power-up sequencing of the 3.3V rails, and follow NXP application notes for the on-chip DDR/SDRAM controller. Per NXP, this part is approaching end-of-life, so consider NXP's recommended replacements for new designs.
直接替換替代品，適用於 MPC8248ZQMIBA — 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： MPC8248ZQMIBA （相同外形與佔位） — 差異在於 RoHS Status, Data Bus Width, Operating Temperature, Process Technology, Mounting Type.
MPC8248VRMIBA
✅ 直接替換聯絡詢價
查看資料表 →MPC8247CZQMIBA
✅ 直接替換聯絡詢價
查看資料表 →MPC8270CZQMIBA
✅ 直接替換聯絡詢價
查看資料表 →MPC8248ZQMIBA 最大額定值與電氣特性
| Manufacturer | NXP Semiconductors (formerly Freescale Semiconductor) |
| Processor Series | PowerQUICC II (MPC82xx) |
| Core Architecture | PowerPC G2_LE (603e-class) |
| 資料匯流排寬度 | 32 bit |
| 最大時脈頻率 | 266 MHz |
| Number of Cores | 1 |
| Process Technology | 0.13 µm (HiP7) CMOS |
| 供應電壓 | 3.3 V |
| Package Type | 516-PBGA (TEBGA) |
| Package Dimensions | 27 x 27 mm |
| 安裝類型 | Surface Mount |
| RoHS 狀態 | No (non-RoHS legacy product) |
| On-chip Features | Memory controller, PCI bridge, DMA, dual I2C, dual UART, timers, CPM communications module |
| Instruction Set | Power Architecture 32-bit |
MPC8248ZQMIBA 27 x 27 mm 腳位配置指南
MPC8248ZQMIBA（27 x 27 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： MPC8248ZQMIBA.
請參閱 資料表 以查看完整腳位配置。
典型應用
MPC8248ZQMIBA 適用於 6 應用s: Enterprise Router and Switch Control Plane, DSLAM Line Card Processor, Industrial Automation Controller, IDE / Storage Controller, Embedded Communications Appliance, Embedded Data Acquisition Backplane.
Enterprise Router and Switch Control Plane
The MPC8248ZQMIBA is well-suited to control-plane processing in enterprise routers and access switches because its integrated CPM offloads HDLC, PPP, ATM, and Ethernet MAC tasks from the 603e core, freeing CPU cycles for routing-table maintenance. The 266 MHz core, 32-bit Power Architecture, and on-chip PCI bridge let designers attach upstream network processors or switch fabrics directly without an external bridge. Per NXP PowerQUICC II documentation, this combination delivers deterministic protocol throughput while keeping BOM cost low. Place BGA bypass within 5 mm of each supply ball and observe 50 Ω controlled impedance on the address and data buses to the SDRAM interface.
推薦
DSLAM Line Card Processor
In DSLAM line cards, the MPC8248ZQMIBA combines an integrated 603e core, memory controller, DMA engine, and CPM to aggregate multiple DSL channels with low latency and high reliability. The 32-bit core executes per-line ATM and PPP stacks, while the CPM handles the time-critical layer-1 framing. NXP's reference designs leverage the integrated PCI bridge to connect to line-interface cards. Because the part is built on a 0.13 µm HiP7 process, power dissipation stays manageable in dense line-card slots; use NXP's thermal design guide to size copper pours for the 27×27 BGA footprint.
推薦
Industrial Automation Controller
The MPC8248ZQMIBA supports industrial automation by combining a real-time capable 603e core with on-chip UART, I2C, DMA, and timer peripherals, eliminating extra bridge chips in PLC and motor-controller designs. The integrated memory controller simplifies SDRAM/DDR attachment for deterministic data logging, while the PCI bridge links to FPGA co-processors. The BGA package supports vibration-prone industrial environments better than leaded packages when board-attach is correctly done. Engineers should review the NXP errata documents and apply recommended reset sequencing during boot to ensure stable operation in factory-floor EMC conditions.
推薦
IDE / Storage Controller
The integrated DMA engine, PCI bridge, and CPM channels of the MPC8248ZQMIBA make it a strong fit for IDE / ATA / SATA controller cards in storage appliances. The 266 MHz 603e core executes filesystem and RAID logic while the CPM moves data between storage interfaces and host memory. Per NXP PowerQUICC II reference designs, the part's 32-bit memory controller pairs with SDRAM for high-throughput DMA. Use matched-length PCI traces and follow NXP's layout checklist; ensure the BGA thermal pad has a continuous copper pour to keep the die within operating temperature.
推薦
Embedded Communications Appliance
For serial-intensive appliances such as protocol converters and remote-access gateways, the MPC8248ZQMIBA's CPM delivers multiple SCCs and FCCs without external serial glue logic, reducing part count and BOM cost in embedded comms designs. The 32-bit core runs a standard Linux or VxWorks stack, while the CPM handles async and synchronous serial channels. Per NXP, the integrated memory controller and DMA paths allow wire-speed bridging between Ethernet and legacy serial ports. Plan for a 6-8 layer PCB with a flooded GND plane adjacent to the BGA to preserve signal integrity at 66 MHz PCI.
推薦
Embedded Data Acquisition Backplane
The MPC8248ZQMIBA serves as a backplane manager in compactPCI/VME data-acquisition chassis, leveraging its 32-bit core, PCI bridge, and on-chip peripherals to aggregate multiple data streams from analog front ends. The integrated memory controller and DMA engine buffer high-rate sample streams to local SDRAM before forwarding via Ethernet. NXP's hardware manuals detail the bus arbiter setup required for stable multi-master operation. Because the part is approaching EOL, designers should evaluate NXP's QorIQ Layerscape recommendations; the MPC8248ZQMIBA is, however, a known-quantity for legacy mil/aero programs.
推薦
推薦產品摘要
工程參考資料，適用於 MPC8248ZQMIBA — 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 | MPC8248VRMIBA | MPC8247CZQMIBA | MPC8270CZQMIBA |
|---|---|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Package | 516-PBGA (27x27) | 516-PBGA (27x27) - same | 516-PBGA (27x27) - same | 516-PBGA (27x27) - same |
| Processor Family | PowerQUICC II (MPC8248) | PowerQUICC II (MPC8248) | PowerQUICC II (MPC8247) | PowerQUICC II (MPC8270) |
| Core Architecture | PowerPC G2_LE (603e) | PowerPC G2_LE (603e) | PowerPC G2_LE (603e) | PowerPC G2_LE (603e) |
| Data Bus Width | 32 bit | 32 bit | 32 bit | 32 bit |
| Supply Voltage | 3.3 V | 3.3 V | 3.3 V | 3.3 V |
| Process Technology | 0.13 µm HiP7 | 0.13 µm HiP7 | 0.13 µm HiP7 | 0.13 µm HiP7 |
| RoHS Status | Non-RoHS (legacy SnPb) | Non-RoHS (legacy) | Non-RoHS (legacy) | Non-RoHS (legacy) |
| Lifecycle Status | Last-time-buy / EOL | Last-time-buy / EOL | Last-time-buy / EOL | Last-time-buy / EOL |
主要差異化特點
- Integrated CPM offloads serial protocols from the 603e core (對比MPC8247CZQMIBA)
- Pin-compatible same-family upgrade path (對比MPC8270CZQMIBA)
- Established PowerQUICC II software ecosystem (對比MPC8248VRMIBA)
設計說明
The 516-PBGA 27x27 mm BGA at 1.27 mm pitch demands a 6-8 layer PCB stack-up with matched 50 Ω controlled impedance on the address and data buses. Place all decoupling capacitors within 5 mm of their respective supply balls and use a flooded ground plane adjacent to the BGA to minimize return-path inductance. For boards exceeding 200 mm length, apply via-in-pad for the thermal balls to keep the die below the recommended operating range.
The MPC8248ZQMIBA requires carefully sequenced power rails during start-up. Per NXP hardware documentation, the core voltage must ramp before or simultaneously with the I/O voltage to prevent latch-up. Bulk decoupling of at least 22 µF tantalum plus 0.1 µF ceramic on every power pin is recommended. Reference the datasheet's power section before prototype builds, especially for systems that share supply rails with PCI devices.
MPC82xx pin-assignments are NOT interchangeable across the PowerQUICC II family. A design targeting MPC8248ZQMIBA cannot accept MPC8270 or MPC8280 firmware without verification, even when the BGA package is identical. Always cross-check the NXP PCN database and the relevant datasheet's ordering table before substituting, and keep a 'golden-board' validation step in the manufacturing test plan to catch miss-detected pin variants.
合規資訊
Per DigiKey RoHS marking this part is non-RoHS (SnPb ball finish). AEC-Q100 not applicable for industrial/networking MPU. REACH, halogen, and conflict-minerals status not explicitly stated in the verified web data.
