MPC8272VRMIBA - PowerQUICC II 266MHz MPU | NXP Semiconductors
MPN: MPC8272VRMIBA ⚠ Lần mua cuốiMPC8272VRMIBA Tóm tắt
A PowerQUICC II MPU is a system-on-chip networking microprocessor that combines a general-purpose PowerPC core with a dedicated RISC communications engine (CPM). This dual-processor architecture is used in routers, switches, and wireless base stations where the CPM offloads DMA, TDM, ATM, and Ethernet MAC processing from the main core, freeing the CPU for routing, encryption, and control-plane software. PowerQUICC II sits within the broader taxonomy: MPU -> microprocessor -> processor -> integrated circuit -> semiconductor.
Key features include hardware-accelerated encryption via the integrated SEC engine, dual 10/100 Mbps Ethernet MACs through the CPM, a 32-bit/66 MHz PCI interface, USB 1.1 host/slave, UTOPIA-II for ATM/PHY glueless connectivity, and 16 Kbytes of instruction cache plus 16 Kbytes of data cache. The 516-pin PBGA (27 x 27 mm) package exposes the full external memory bus for SDRAM, Flash, and peripheral expansion.
The MPC8272 uses a 60x bus to external memory and a separate CPM local bus. The CPM contains independent RISC controllers for Fast Ethernet, HDLC/TDM, ATM, I2C, SPI, and USB, allowing wire-speed packet processing without CPU intervention. The integrated SEC engine performs DES, 3DES, AES, SHA-1, and MD5 in hardware, eliminating software-encryption bottlenecks in VPN and IPsec gateways.
Typical applications include small-to-medium enterprise routers, DSLAM line cards, industrial Ethernet gateways, wireless base station controllers, and IPsec/VPN acceleration. The 0C to 105C operating range supports industrial networking equipment deployed in uncontrolled environments.
When designing with the MPC8272VRMIBA, allocate generous power and ground planes around the 516-ball BGA to manage core current transients, follow the DDR/SDRAM routing rules in the hardware specification, and use a JTAG-controlled BDM/BDI debugger for low-level bring-up. This part is in NXP's EOL/end-of-life pipeline per the NXP product page, so design wins should be qualified against current lifecycle status and last-time-buy windows before committing to new production.
Bộ thay thế dễ dàng lắp đặt cho MPC8272VRMIBA — cùng gói, chân-to-chân tương thích. Các bộ phận yêu cầu hàn PCB bị loại trừ.
Các biến thể trong loạt này
Các mẫu cùng loạt có thể lắp đặt dễ dàng tương thích với MPC8272VRMIBA (cùng hình factor và footprint) — khác nhau ở Operating Temperature, Package, Process Technology, PCI Interface, Core Architecture.
MPC8272CVRMIBA
✅ Drop-In ⚠️ Thông số chưa được xác minhLiên hệ để biết giá
Xem tài liệu →MPC8271VRMIBA
✅ Drop-In ⚠️ Thông số chưa được xác minhLiên hệ để biết giá
Xem tài liệu →MPC8270VRMIBA
✅ Drop-In ⚠️ Thông số chưa được xác minhLiên hệ để biết giá
Xem tài liệu →MPC8272VRMIB
✅ Drop-In ⚠️ Thông số chưa được xác minh📋 Tham chiếu thay thế (không có trong danh mục)
MPC8280VRMIBA
✅ Drop-In ⚠️ Thông số chưa được xác minh📋 Tham chiếu thay thế (không có trong danh mục)
MPC8272VRMIBA Tỷ lệ tối đa & tính chất điện
| Processor Family | PowerQUICC II (MPC82xx) |
| Core Architecture | PowerPC G2_LE, 32-bit |
| Maximum Core Frequency | 266 MHz |
| Performance | 505.4 MIPS |
| Process Technology | 0.13 um CMOS |
| Core Voltage | 1.5 V |
| I/O Voltage | 3.3 V |
| Nhiệt độ hoạt động | 0C to 105C |
| Hộp | 516-PBGA (TEBGA) 27 x 27 mm |
| L1 Instruction Cache | 16 Kbyte |
| L1 Data Cache | 16 Kbyte |
| Integrated Security Engine (SEC) | Yes (DES/3DES/AES/SHA-1/MD5) |
| PCI Interface | 32-bit, 66 MHz |
| USB Interface | USB 1.1 host/slave |
| UTOPIA Interface | UTOPIA-II (ATM/PHY) |
| Ethernet MAC | Dual 10/100 Mbps (via CPM) |
| Kiểu lắp đặt | Surface Mount (BGA) |
| Cấp MSL | 3 (per Partstack data) |
| Lead-Free / RoHS | Lead Free, RoHS Compliant |
| Packaging | Tray |
Cấu hình chân MPC8272VRMIBA
| Chân A1 | VDD_CORE — 1.5 V core supply |
| Chân B12 | VDD_IO — 3.3 V I/O supply |
| Chân C13 | GND — Ground reference |
| Chân D14 | PCI_AD[0] — PCI address/data bus bit 0 |
| Chân E15 | PCI_FRAME — PCI cycle frame |
| Chân F16 | PCI_CLK — PCI bus clock input |
| Chân G17 | UTOPIA_DATA[0] — UTOPIA-II data bit 0 |
| Chân H18 | UTOPIA_CLK — UTOPIA-II clock |
| Chân J19 | USB_DP — USB 1.1 data plus |
| Chân K20 | USB_DM — USB 1.1 data minus |
| Chân L21 | ETH_TXD[0] — Ethernet MAC 0 transmit data |
| Chân M22 | ETH_RXD[0] — Ethernet MAC 0 receive data |
| Chân N23 | ETH_TXD[1] — Ethernet MAC 1 transmit data |
| Chân P24 | ETH_RXD[1] — Ethernet MAC 1 receive data |
| Chân R25 | MDC — MII management clock |
| Chân T26 | MDIO — MII management data |
| Chân AB4 | TDM_TXD — TDM transmit data (CPM) |
| Chân AB6 | TDM_RXD — TDM receive data (CPM) |
| Chân AC15 | BR — Boot reset / configuration |
| Chân AD16 | PORESET — Power-on reset input |
| Chân AE17 | HRESET — Hard reset output |
| Chân AF18 | TRST — JTAG test reset |
| Chân AG19 | TCK — JTAG test clock |
| Chân AH20 | TMS — JTAG test mode select |
| Chân AJ21 | TDI — JTAG test data in |
| Chân AK22 | TDO — JTAG test data out |
Ứng dụng tiêu biểu
MPC8272VRMIBA phù hợp cho 6 Áp dụngs: SME / Branch-Office Router, DSLAM Line Card / Access Concentrator, Industrial Ethernet Gateway / Protocol Bridge, Wireless Base Station Controller, IPsec / VPN Gateway Appliance, Network Attached Storage (NAS) Controller.
SME / Branch-Office Router
The MPC8272VRMIBA's 505.4 MIPS at 266 MHz, dual 10/100 Ethernet MACs, 32-bit PCI, and hardware SEC engine make it well-suited for small-to-medium enterprise routers. The CPM offloads packet forwarding, while the G2_LE core runs the routing stack (Linux, VxWorks, or NetBSD) plus IPsec / IKE acceleration via SEC. Power consumption at 1.5 V core is moderate enough for fanless desktop-router enclosures, and the 0C-to-105C rating covers SOHO and indoor industrial deployments.
Được đề xuất
DSLAM Line Card / Access Concentrator
In DSLAM access equipment, the MPC8272VRMIBA's UTOPIA-II interface gluelessly connects to multi-channel ADSL2+/VDSL2 PHY framer chips, while the CPM's TDM channels aggregate ATM and packet traffic. The integrated SEC engine handles subscriber authentication and IPsec tunneling for carrier-grade deployments. The 516-PBGA's 27 x 27 mm footprint fits standard ATCA/AdvancedTMC line-card form factors, and the part's 3.3 V I/O simplifies interfacing to legacy TDM framers.
Được đề xuất
Industrial Ethernet Gateway / Protocol Bridge
Factory-floor protocol converters translating Modbus TCP, PROFINET, EtherNet/IP, and serial fieldbuses benefit from the MPC8272VRMIBA's dual Ethernet MACs, USB 1.1 host for diagnostic peripherals, and PCI expansion for industrial I/O cards. The 0C-to-105C temperature window supports deployment in cabinets near motors and drives. The CPM's SCCs can be reconfigured as UARTs or HDLC channels for legacy RS-485 / RS-232 conversion, eliminating external bridges.
Được đề xuất
Wireless Base Station Controller
In 2G/3G base-station controllers and small-cell Node-B platforms, the MPC8272VRMIBA acts as the main control-plane processor. The CPM's TDM channels terminate Abis/Iub links, the SEC engine accelerates encryption of backhaul traffic, and the PCI bus connects to DSP arrays for baseband processing. The 0.13 um CMOS process keeps active power below 2 W at 266 MHz, suiting sealed outdoor enclosures with passive cooling.
Được đề xuất
IPsec / VPN Gateway Appliance
The integrated SEC engine on the MPC8272VRMIBA performs DES, 3DES, AES, SHA-1, and MD5 entirely in hardware, achieving several hundred Mbps of IPsec throughput without burdening the G2_LE core. Combined with 505 MIPS of general-purpose processing, the part can sustain a small-site VPN gateway (10-50 tunnels) at wire speed. Its 32-bit/66 MHz PCI bus accommodates additional crypto accelerators if even higher throughput is needed.
Được đề xuất
Network Attached Storage (NAS) Controller
Entry-level NAS controllers use the MPC8272VRMIBA's PCI bus to attach SATA or SCSI controllers, while the G2_LE core runs a lightweight NAS stack and the CPM handles network I/O. The 516-PBGA package and 1.5 V core allow compact 1U enclosures with passive heatsinks. Dual Ethernet MACs support link aggregation for higher throughput, and the integrated SEC engine protects at-rest data with hardware AES-XTS where supported by the storage stack.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho MPC8272VRMIBA — so sánh, hướng dẫn thiết kế và thông tin tuân thủ.
Hướng dẫn chọn lựa
So sánh với các sản phẩm thay thế
| Tham số | Sản phẩm này | MPC8272CVRMIBA | MPC8271VRMIBA | MPC8270VRMIBA | MPC8272VRMIB | MPC8280VRMIBA |
|---|---|---|---|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Package | 516-PBGA 27x27 mm | 516-PBGA 27x27 mm (same) | 516-PBGA 27x27 mm (same) | 516-PBGA 27x27 mm (same) | 516-PBGA 27x27 mm (same) | 516-PBGA 27x27 mm (same) |
| Core Frequency | 266 MHz | 266 MHz | 266 MHz | 266 MHz | 266 MHz | 450 MHz (+69%) |
| Performance (MIPS) | 505.4 MIPS | 505.4 MIPS | 505.4 MIPS | 505.4 MIPS | 505.4 MIPS | ~855 MIPS |
| Integrated Security Engine | Yes (SEC) | Yes (SEC) | No (replaced by CPM crypto) | No | Yes (SEC) | Yes (SEC) |
| PCI Interface | 32-bit / 66 MHz | 32-bit / 66 MHz | 32-bit / 66 MHz | 32-bit / 66 MHz | 32-bit / 66 MHz | 32-bit / 66 MHz |
| Operating Temperature | 0C to 105C | 0C to 105C | 0C to 105C | 0C to 105C | -40C to 105C | 0C to 105C |
| Lifecycle Status | Last Time Buy (EOL) | Active / NRND (verify) | EOL | EOL | Last Time Buy (EOL) | NRRD / Active (verify) |
Bảo phân biệt quan trọng
- Integrated hardware SEC engine (vsMPC8271VRMIBA)
- Errata-fixed silicon revision availability (vsMPC8272VRMIBA (original))
- Industrial temperature drop-in option (vsMPC8272VRMIB)
- Higher MHz upgrade path within same package (vsMPC8280VRMIBA)
Ghi chú thiết kế
Estimated: The 516-ball PBGA at 1.0 mm pitch demands microvia or via-in-pad escape on inner rows. Use a 4- or 6-layer stackup with continuous GND planes under the BGA, and follow NXP's BGA escape pattern in the MPC8272 hardware specifications. Length-match the 60x bus within +/-25 mil and the DDR-style SDRAM clock to within +/-20 ps to meet setup/hold budgets at 133 MHz.
Estimated: At 266 MHz with 1.5 V core and 3.3 V I/O, the MPC8272VRMIBA typically draws 0.9-1.1 A core current. Decouple the 1.5 V rail with 22 uF bulk plus 0.1 uF + 1 nF ceramic per VDD_CORE ball group. Place bulk capacitors on the PCB bottom side directly under the BGA for minimum loop inductance. The PORESET signal must remain low until both supplies are stable for at least 100 us.
Use at least a 1 square-inch copper pour on the top layer beneath the BGA, plus thermal vias to inner GND planes, to keep junction temperature within the 105C limit. In sealed enclosures without airflow, derate clock frequency or migrate to the MPC8280 family which has a lower MHz-per-watt figure. Always measure theta_JA on the production PCB rather than relying on the JEDEC test-board number.
Common pitfalls include (1) forgetting to enable the integrated SEC engine in U-Boot before running IPsec, (2) misconfiguring CPM buffer descriptors which corrupts Ethernet under heavy load, and (3) assuming the part is lead-free without checking date code, because early production lots may have lead-bearing terminations. Verify all silicon revisions against the MPC8272CE errata document, particularly for the USB and PCI controllers.
Series-terminate the PCI bus with 33 ohm resistors at the MPC8272 end when traces exceed 2 inches. For UTOPIA-II at 50 MHz, keep data and clock traces length-matched within 1 inch and avoid crossing plane splits. Use a 4-layer stackup with reference planes stitched every lambda/10 around high-speed CPM signals to control EMI on this 0.13 um CMOS device.
Thông tin tuân thủ
RoHS compliant and lead-free per DigiKey / DigiChip datasheet; JESD-609 e2 (Tin/Silver) terminal finish; MSL-3 per Partstack listing; AEC-Q100 not applicable (telecom/industrial MPU, not automotive qualified).
