MPC860PZQ80D4557 - 32-Bit PowerQUICC SoC 80MHz | NXP Semiconductors
Артикул: MPC860PZQ80D4557 ✗ Снят с производстваMPC860PZQ80D4557 Обзор
A PowerQUICC device is a system-on-chip that pairs a Power Architecture RISC microprocessor with a dedicated communications processor module. Within the semiconductor hierarchy it sits under embedded microprocessors, under 32-bit SoCs, under integrated circuits. The CPM offloads serial communications (SCCs, SMCs, SPI, I2C) from the core, which is why the MPC860 family became a standard building block for routers, bridges and industrial gateways.
Key features include an 80 MHz PowerPC core with 4 KB instruction and 4 KB data caches, an integrated memory controller supporting DRAM, SRAM and ROM, a 32-bit data bus, and multiple serial communication channels. The device integrates Ethernet, ATM and HDLC protocol engines plus a PCMCIA interface, reducing external glue logic in networking designs.
The MPC860 uses a dual-processor architecture: the embedded PowerPC core executes application code while the CPM handles protocol processing in parallel. This partitioning delivers deterministic communications throughput without burdening the core, a design pattern still used in modern network SoCs.
Typical applications include industrial network routers and protocol converters, telecom line cards and remote access servers, and legacy industrial control gateways that require HDLC or ATM connectivity. The 357-pin PBGA package and 0 to 95 C temperature range suit board-level designs in controlled environments.
When designing with this device, verify power sequencing and decoupling for the core and I/O rails, and confirm the exact part-number suffix because the MPC860 family spans multiple speed, temperature and revision variants that are not always interchangeable.
This page synthesizes distributor availability, drop-in family alternatives, and practical design notes that are not consolidated in the manufacturer hardware specification, helping engineers evaluate the MPC860PZQ80D4557 for legacy and maintenance designs.
Аналоги без доработки для MPC860PZQ80D4557 — 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 MPC860PZQ80D4557 (тот же форм-фактор и посадочное место) — отличается по Core Architecture, Mounting Type, Package.
MPC860PZQ80D4
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Открыть даташит →MPC860PZQ80D4
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Открыть даташит →MPC860PZQ80D4557 Максимальные параметры и электрические характеристики
| Core Architecture | PowerPC (Power Architecture), 32-bit |
| Максимальная тактовая частота | 80 MHz |
| Core Count | 1 |
| Instruction Cache | 4 KB |
| Data Cache | 4 KB |
| Communications Processor Module | Integrated CPM (SCC, SMC, SPI, I2C) |
| Integrated Network Controllers | Ethernet, ATM, HDLC |
| PCMCIA Interface | Supported |
| Memory Controller | DRAM, SRAM, ROM support |
| Разрядность шины данных | 32-bit |
| Корпус | 357-pin PBGA (25x25 mm) |
| Тип монтажа | Surface Mount |
| Диапазон рабочих температур | 0 C to 95 C |
| Product Family | PowerQUICC I (MPC860) |
Руководство по цоколевке MPC860PZQ80D4557 в корпусе 357-pin pbga (25x25 mm)
Цоколевка для MPC860PZQ80D4557 (корпус 357-pin pbga (25x25 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 MPC860PZQ80D4557.
Обратитесь к даташиту для полной конфигурации выводов.
Типичное применение
MPC860PZQ80D4557 подходит для 6 применениеs: Industrial Network Routers and Protocol Converters, Telecom Line Cards and Remote Access Servers, Legacy Industrial Control Gateways, Embedded Communications Controller Boards, Protocol Conversion and HDLC Bridging Equipment, Maintenance and Obsolescence Replacement Programs.
Industrial Network Routers and Protocol Converters
The MPC860PZQ80D4557 fits industrial routers and protocol converters because its Communications Processor Module handles Ethernet, HDLC and ATM framing in hardware while the 80 MHz PowerPC core runs routing and management software. In a typical design the CPM's SCC channels connect to external PHYs and line interfaces, and the integrated memory controller attaches DRAM and flash without glue logic. The benefit is deterministic protocol throughput independent of core load, but the 0 C to 95 C rating and 357-pin PBGA package constrain it to controlled-environment boards with adequate thermal vias. Designers should confirm the exact suffix against the NXP hardware specification before production.
Рекомендуется
Telecom Line Cards and Remote Access Servers
Telecom line cards and remote access servers use the MPC860PZQ80D4557 because the integrated ATM and HDLC engines terminate WAN protocols without external controllers. The CPM's serial channels map directly to T1/E1 or ATM physical interfaces, and the PowerPC core runs call-control and management stacks. The 80 MHz core and 4 KB caches are sized for control-plane tasks rather than high-throughput data plane work, so the part suits aggregation and access equipment where protocol termination matters more than raw MIPS. Power sequencing of core and I/O rails must follow the NXP hardware specification, and the 357-pin PBGA requires careful ball-out and decoupling layout.
Рекомендуется
Legacy Industrial Control Gateways
Legacy industrial control gateways rely on the MPC860PZQ80D4557 to bridge fieldbus and Ethernet networks in installed systems. The CPM's SMC and SCC channels can be configured for HDLC or UART-style fieldbus links while the Ethernet controller provides the plant-network uplink, and the PCMCIA interface supports legacy wireless or storage cards. Because the part is a PowerQUICC I generation device, it is chosen mainly for form-fit-function replacement in existing gateways rather than new designs. Engineers maintaining these systems should archive the NXP hardware specification and confirm the orderable suffix, since family variants differ in speed, temperature and revision screening.
Рекомендуется
Embedded Communications Controller Boards
Embedded communications controller boards use the MPC860PZQ80D4557 as a single-chip controller combining a 32-bit PowerPC core, memory controller and multiple serial channels. The integrated DRAM/SRAM/ROM controller removes external chip-select logic, and the CPM's SPI and I2C channels handle board-level peripherals such as serial EEPROM and sensors. The 80 MHz core with 4 KB instruction and data caches is adequate for control-plane firmware, while the 357-pin PBGA provides the I/O count needed for multi-channel designs. Board designers should follow the NXP hardware specification for power sequencing, decoupling and AC timing of the memory interface.
Рекомендуется
Protocol Conversion and HDLC Bridging Equipment
Protocol conversion and HDLC bridging equipment benefits from the MPC860PZQ80D4557 because HDLC framing is handled by the CPM rather than bit-banged in software. Each SCC can run HDLC channels at line rate while the PowerPC core performs table lookup and forwarding, and the integrated Ethernet controller provides the LAN-side interface. This hardware partitioning keeps latency deterministic, which matters in SCADA and telemetry bridges. The trade-off is that the 80 MHz core limits aggregate throughput compared with newer SoCs, so the part fits low-to-moderate channel-count bridges. Verify timing margins against the NXP hardware specification.
Рекомендуется
Maintenance and Obsolescence Replacement Programs
Maintenance and obsolescence replacement programs use the MPC860PZQ80D4557 when repairing or sustaining boards originally designed around the PowerQUICC I family. Because the 357-pin PBGA footprint is shared across MPC860PZQ80D4-family variants, a same-family device can often be substituted without PCB changes, provided the speed, temperature and revision suffix are validated. The main risk is sourcing: legacy parts move to independent channels, so buyers should verify date codes and authenticity. Engineers should keep the NXP hardware specification on file and confirm that any substitute meets the original board's timing and voltage requirements before releasing it to production.
Рекомендуется
Справочные инженерные данные для MPC860PZQ80D4557 — сравнение, рекомендации по проектированию и информация о соответствии.
Руководство по выбору
Сравнение с аналогами
| Параметр | Этот товар | MPC860PZQ80D4 | MPC860PZQ80D4 (Freescale/Rochester) |
|---|---|---|---|
| Package | 357-pin PBGA (25x25 mm) | 357-pin PBGA (25x25 mm) - same | 357-pin PBGA (25x25 mm) - same |
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors (Freescale-branded stock) |
| Core Architecture | 32-bit PowerPC (PowerQUICC) | 32-bit PowerPC (PowerQUICC) | 32-bit PowerPC (PowerQUICC) |
| Maximum Clock Frequency | 80 MHz | 80 MHz | 80 MHz |
| Communications Processor Module | CPM with Ethernet, ATM, HDLC, PCMCIA | CPM with Ethernet, ATM, HDLC, PCMCIA | CPM with Ethernet, ATM, HDLC, PCMCIA |
| Operating Temperature Range | 0 C to 95 C | 0 C to 95 C | 0 C to 95 C |
| Orderable Suffix / Screening | D4557 suffix | D4 suffix - verify revision/screening differences | D4 suffix, Rochester-sourced stock |
| Lifecycle Status | NRND (legacy PowerQUICC I) | Legacy / limited availability | Legacy / Rochester-sourced |
Ключевые отличия
- Integrated CPM offloads protocol processing (против MPC860PZQ80D4)
- Single-chip communications controller (против MPC860PZQ80D4 (Freescale/Rochester))
- Family footprint reuse (против MPC860PZQ80D4)
Заметки по проектированию
Follow the NXP MPC860 hardware specification for core and I/O supply sequencing and decoupling. The specification covers power considerations and DC electrical characteristics for the family; because the exact supply voltage values for this suffix are not in the retrieved data, confirm them in the specification before finalizing the power tree. Estimated: decoupling capacitor sizing should be derived from the specified transient current and allowed ripple, not assumed.
The 357-pin PBGA (25x25 mm) requires a full ball-out review against the NXP hardware specification before layout. Route the memory bus and Ethernet/HDLC interfaces with controlled impedance and keep the CPM serial channels away from noisy switching supplies. Provide adequate thermal vias under the package, since the 0 C to 95 C rating leaves limited margin in enclosed industrial enclosures.
Do not assume that MPC860 family suffixes are interchangeable. The MPC860PZQ80D4557 and MPC860PZQ80D4 share the 80 MHz core and 357-pin PBGA package, but revision and screening differences can affect timing and qualification. Validate any substitution against the NXP hardware specification and confirm date codes and authenticity when sourcing through independent channels, since this is a legacy part.
Информация о соответствии
Compliance data for the MPC860PZQ80D4557 was not present in the retrieved web data; confirm RoHS, REACH and lead-free status with NXP or the distributor before production.
