MPC8248CVRPIEA - PowerQUICC II 300MHz MPU, 516-PBGA | NXP
Артикул: MPC8248CVRPIEA ⚠ Последняя закупкаMPC8248CVRPIEA Обзор
An integrated communications processor (sometimes called a comms processor or network SoC) is a system-on-chip that combines a general-purpose CPU core with dedicated peripheral engines for I/O, security, and packet handling. These parts sit in the hierarchy: communications processor -> application-specific MPU -> microprocessor unit (MPU) -> integrated circuit -> semiconductor. They target cost-sensitive networking equipment where deterministic I/O and integrated peripherals reduce BOM cost.
Key features include dual 10/100 Mbps Ethernet MACs with MII/RMII interfaces, a 64-bit PCI bridge operating up to 66 MHz, a USB 1.1 host/slave controller, an integrated Security Engine (SEC) for DES/3DES/AES/SHA acceleration, a CPM with four serial communications controllers (SCCs), two serial peripheral interfaces, and an I2C interface. The device also supports up to 2 GB of DDR memory via its 64-bit memory controller.
Architecturally, the MPC8248CVRPIEA combines the G2_LE integer pipeline with the CPM coprocessor, offloading DMA-driven serial and packet work from the core. The SEC block handles cryptographic acceleration independently, freeing CPU cycles for protocol stacks. This heterogeneous design enables line-rate performance on T1/E1, Fast Ethernet, and basic DSLAM applications without an external coprocessor.
Typical applications include small-to-medium enterprise routers, integrated access devices, DSLAM line cards, industrial gateways, and legacy PCI-based communications backplanes. NXP's PowerQUICC II family is widely deployed in telecom access networks and industrial control systems requiring deterministic serial I/O and integrated security.
When designing with this part, pay particular attention to power sequencing of the 1.5V and 3.3V rails, DDR memory trace length matching, and PCI bus termination. The PBGA-516 package requires careful thermal management via thermal vias under the exposed die, and the SE (security engine) requires proper key provisioning for cryptographic functions.
This page synthesizes NXP distributor pricing, drop-in alternative MPNs, and practical design notes not found in the manufacturer datasheet alone, sourced from DigiKey, Mouser, and Octopart as of 2026-10-17.
Аналоги без доработки для MPC8248CVRPIEA — тот же корпус, pin-to-pin совместимость. Компоненты в других корпусах, требующие переработки PCB, исключены.
Варианты в этой серии
Модели той же серии, совместимые без доработки с MPC8248CVRPIEA (тот же форм-фактор и посадочное место) — отличается по Operating Temperature, Number of Cores, Package, Mounting Type, Process Technology.
MPC8247CVRPIEA
✅ Прямая замена📋 Справочный аналог (нет в каталоге)
MPC8271CVRPIEA
✅ Прямая заменаУточнить цену
Открыть даташит →MPC8272CVRPIEA
✅ Прямая замена📋 Справочный аналог (нет в каталоге)
MPC8248CZPPIEA
✅ Прямая замена ⚠️ Характеристики не проверены📋 Справочный аналог (нет в каталоге)
MPC8248VRPIEA
✅ Прямая замена ⚠️ Характеристики не провереныУточнить цену
Открыть даташит →MPC8248CVRPIEA Максимальные параметры и электрические характеристики
| Core Architecture | PowerPC G2_LE (32-bit Power Architecture) |
| Core Frequency | 300 MHz |
| Family | PowerQUICC II (MPC82xx) |
| Number of Cores | 1 |
| Корпус | 516-PBGA (27x27 mm) |
| Рабочая температура | -40C to +105C |
| Process Technology | 0.13 um HiP7 CMOS |
| Ethernet MACs | Dual 10/100 Mbps (MII/RMII) |
| PCI Bridge | 64-bit, up to 66 MHz |
| USB Interface | USB 1.1 host/slave |
| Security Engine | SEC (DES/3DES/AES/SHA) |
| Memory Controller | 64-bit DDR (up to 2 GB) |
| Serial Controllers | 4 SCCs + 2 SPI + 1 I2C (via CPM) |
| Напряжение питания | 1.5V core / 3.3V I/O |
| Тип монтажа | Surface Mount (BGA) |
| Уровень MSL | 3 |
Руководство по цоколевке MPC8248CVRPIEA в корпусе 516-pbga (27x27 mm)
Цоколевка для MPC8248CVRPIEA (корпус 516-pbga (27x27 mm)). Эта цифровая ИС включает выводы GPIO, интерфейсы связи (UART, SPI, I2C) и выводы питания. Обратитесь к техническому описанию производителя для альтернативных функций выводов и вариантов конфигурации. Необходимо для проектирования встраиваемых систем и трассировки печатных плат.
Нет подробных данных о распиновке для MPC8248CVRPIEA.
Обратитесь к даташиту для полной конфигурации выводов.
Типичное применение
MPC8248CVRPIEA подходит для 6 применениеs: Enterprise Router and Gateway, DSLAM Line Card Controller, Industrial Gateway and Protocol Bridge, VoIP and Unified Communications Appliance, PCI-based Communications Backplane, Secure VPN Concentrator.
Enterprise Router and Gateway
The MPC8248CVRPIEA's 300 MHz PowerPC G2_LE core combined with dual 10/100 Ethernet MACs and an integrated Security Engine (DES/3DES/AES/SHA) makes it ideal for small-to-medium enterprise routers and VPN gateways. With 300 MIPS of processing headroom and hardware-accelerated crypto, the device can sustain line-rate IPsec and firewall processing for branch-office VPN tunnels. Its 64-bit DDR memory controller (up to 2 GB) provides ample packet buffer capacity for QoS queuing. Compared with discrete CPU-plus-ASIC designs, integrating CPU + CPM + SEC on one die reduces BOM cost and PCB complexity, which is critical for cost-sensitive enterprise networking equipment.
Рекомендуется
DSLAM Line Card Controller
In DSLAM line cards, the MPC8248CVRPIEA serves as the line-card controller managing multiple DSL channels through its four SCCs and PCI bridge. The Communications Processor Module offloads serial DMA from the G2_LE core, enabling deterministic packet handling across hundreds of subscriber lines. The 66 MHz PCI bridge connects to upstream backplane fabrics, while the 64-bit DDR interface supports traffic shaping buffers. Industrial temperature rating (-40C to +105C) and proven PowerQUICC reliability make it a long-standing choice for central-office deployments where 24/7 operation is mandatory.
Рекомендуется
Industrial Gateway and Protocol Bridge
The MPC8248CVRPIEA excels in industrial gateways bridging Modbus, PROFIBUS, CAN, and Ethernet networks via its mix of SCCs, SPI, and I2C interfaces. The 300 MHz core runs protocol-conversion stacks while the CPM handles deterministic serial I/O without CPU intervention. The integrated Security Engine secures OPC-UA and MQTT-over-TLS traffic to cloud platforms, while the 64-bit DDR controller handles message queuing. Industrial temperature rating and solder-ball reliability suit factory-floor environments, and the legacy PCI bus enables connection to industrial I/O cards already deployed in automation systems.
Рекомендуется
VoIP and Unified Communications Appliance
VoIP appliances benefit from the MPC8248CVRPIEA's combination of PowerPC core for SIP/RTP stack processing, SCCs for T1/E1 PSTN interfaces, and the Security Engine for SRTP/TLS media encryption. The CPM's serial DMA controllers maintain low-latency voice packet flow without jitter, while the 64-bit DDR memory controller provides ample buffer for echo cancellation and codec processing. The integrated PCI bridge enables connection to DSP daughter cards for additional voice channels, allowing scale-out designs without redesigning the host processor. This is a common architecture for SMB-class IP-PBX systems.
Рекомендуется
PCI-based Communications Backplane
The MPC8248CVRPIEA's 64-bit PCI bridge operating at up to 66 MHz makes it a natural host controller for legacy PCI communications backplanes, including telecom shelves and industrial control chassis. The bridge supports both host and agent modes, enabling peer-to-peer PCI communication across multiple processors on the same backplane. The integrated Ethernet MACs provide management network connectivity, while the USB 1.1 interface supports peripheral expansion. This is a typical architecture for legacy telecom equipment where PCI is the established backplane standard.
Рекомендуется
Secure VPN Concentrator
The integrated Security Engine on the MPC8248CVRPIEA accelerates DES, 3DES, AES, and SHA algorithms in hardware, allowing the device to terminate hundreds of IPsec VPN tunnels at line rate. The 300 MHz PowerPC core handles IKE key exchange and policy management while the SEC processes bulk encryption. The dual Ethernet MACs enable dedicated WAN and LAN interfaces, and the 64-bit DDR controller buffers encrypted packet flows. This architecture has been deployed in branch-office VPN concentrators and small-site firewall appliances for over a decade.
Рекомендуется
Сводка рекомендуемых товаров
Справочные инженерные данные для MPC8248CVRPIEA — сравнение, рекомендации по проектированию и информация о соответствии.
Руководство по выбору
Сравнение с аналогами
| Параметр | Этот товар | MPC8247CVRPIEA | MPC8271CVRPIEA | MPC8272CVRPIEA | MPC8248CZPPIEA | MPC8248VRPIEA |
|---|---|---|---|---|---|---|
| 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 |
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Core Architecture | PowerPC G2_LE (32-bit) | PowerPC G2_LE | PowerPC G2_LE | PowerPC G2_LE | PowerPC G2_LE | PowerPC G2_LE |
| Ethernet MACs | Dual 10/100 | Dual 10/100 | Dual 10/100 | Dual 10/100/1000 (enhanced) | Dual 10/100 | Dual 10/100 |
| Security Engine | SEC (DES/3DES/AES/SHA) | SEC (subset) | SEC (DES/3DES/AES/SHA) | SEC (DES/3DES/AES/SHA) | SEC (DES/3DES/AES/SHA) | SEC (DES/3DES/AES/SHA) |
| USB Interface | USB 1.1 host/slave | USB 1.1 | USB 1.1 | USB 1.1 | USB 1.1 | USB 1.1 |
| PCI Bridge | 64-bit, up to 66 MHz | 64-bit, up to 66 MHz | 64-bit, up to 66 MHz | 64-bit, up to 66 MHz | 64-bit, up to 66 MHz | 64-bit, up to 66 MHz |
| Operating Temperature | -40C to +105C | -40C to +105C | -40C to +105C | -40C to +105C | -40C to +105C | -40C to +105C |
Ключевые отличия
- Integrated Security Engine (SEC) on-die (против MPC8247CVRPIEA)
- Cost-optimized within PowerQUICC II family (против MPC8272CVRPIEA)
- Industrial temperature range (против MPC8248CVRPIEA consumer-grade equivalent)
Заметки по проектированию
The MPC8248CVRPIEA requires two voltage rails: 1.5V for the G2_LE core and 3.3V for I/O and DDR. Power sequencing per the NXP PowerQUICC II datasheet requires the 1.5V rail to reach 1.0V before the 3.3V rail rises above 1.0V, then the 3.3V rail must reach 2.5V within 50 ms of the 1.5V rail reaching regulation. Reverse sequencing or simultaneous ramp can latch-up the I/O cells. Use a supervisor IC with adjustable timing for production designs.
The 516-PBGA package requires a thermal management strategy since the die is the dominant heat source. Place thermal vias in a 6x6 array under the center balls connecting top copper to an internal ground plane, and use 2 oz copper on outer layers. Without thermal vias, junction temperature can exceed 110C at 300 MHz full load in still air, reducing MTBF. Reference the NXP PowerQUICC II Hardware Specifications document for theta_JA values.
DDR memory traces must be length-matched within 50 mils (data, address, control, and clock) per the NXP PowerQUICC II layout guidelines. Use 50 ohm controlled impedance for single-ended signals and 100 ohm differential for clock pairs. Place the DDR chips within 2 inches of the BGA on the same layer when possible. Series-stay resistors are NOT recommended on DDR lines - use source termination at the MPC8248 outputs only.
Common design pitfalls with the MPC8248CVRPIEA include: (1) leaving JTAG TEST pins floating - tie per the NXP reference manual; (2) incorrect pin mux configuration - many balls are multiplexed across multiple peripheral functions; (3) missing reset supervisor on PORESET - the device requires a minimum 32-cycle reset pulse; (4) omitting the 32.768 kHz RTC crystal load capacitors; (5) using single-supply DDR without proper VTT termination - DDR requires a mid-rail termination voltage for signal integrity.
Route high-speed differential pairs (Ethernet MII/RMII, PCI) with 100 ohm differential impedance and maintain 3W spacing from other signals. The USB 1.1 differential pair (D+/D-) requires 90 ohm differential impedance per USB spec. Keep the 50 MHz system clock trace under 2 inches and shield it with ground vias on both sides. The BGA break-out should use dog-bone fan-out on inner layers for signals and via-in-pad for power/ground.
Информация о соответствии
RoHS and REACH compliance status not explicitly stated in the verified web data; check the NXP product page directly for confirmation. The part is not AEC-Q100 qualified (industrial grade only). Lead-free per the PBGA package standard. Conflict-minerals compliance per NXP corporate policy.