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MPC857TZQ100B - 100MHz MPC8xx PowerQUICC MPU BGA-357 | NXP
MPC857TZQ100B

MPC857TZQ100B - 100MHz MPC8xx PowerQUICC MPU BGA-357 | NXP

The NXP Semiconductors MPC857TZQ100B is a PowerQUICC MPC8xx microprocessor IC integrating one 32-bit core running at 100MHz, fabricated on a 0.32 micrometer CMOS process and housed in a 357-pin plastic BGA package measuring 25x25 mm. Originally designed by Freescale Semiconductor and now sourced from NXP USA Inc. via Rochester Electronics as a long-term support distributor, this part targets embedded telecom and networking systems where deterministic PowerPC performance and integrated communications peripherals are required. A microprocessor (MPU) is an integrated processing device that fetches, decodes, and executes instructions from external memory, sitting one level above microcontrollers in the embedded-compute hierarchy. Unlike a microcontroller, an MPU relies on external program and data memory plus separate peripherals, so it is paired with DRAM, flash, and glue logic on the board. PowerQUICC MPC8xx devices specifically integrate a PowerPC core with on-chip communication peripherals, which is why they were widely adopted in routers, ATM switches, and ISDN/DSL access multiplexers during the 1990s. Key features of the MPC857TZQ100B include one 32-bit PowerPC core at 100MHz, multi-PHY support on the MPC857T variant (four PHY support on the parallel MPC857DSL variant), parameter RAM for both SPI and I2C without RAM-based microcode, and full-duplex UTOPIA support in both master (ATM side) and slave (PHY side) operation using a split bus. The 357-ball PBGA package provides the dense I/O count required to expose the external memory bus plus serial peripheral controllers on a single die. Typical applications include WAN access routers, ATM edge switches, DSLAMs, and industrial control systems where a mature PowerPC instruction set and integrated COMM processor reduce system BOM. The wide operating envelope also supports legacy telecom infrastructure rebuilds and aerospace long-life programs that re-use proven PowerQUICC designs. When designing with this part, verify that your host board layout supports a 25x25 mm 357-ball BGA footprint and that your firmware toolchain (typically a Diab Data or Green Hills PowerPC compiler) can target the MPC8xx core. Note that the 357-PBGA part number carries a lead-containing termination that is flagged RoHS non-compliant in some distributor listings, so confirm lead-free availability with your supply chain if RoHS compliance is mandatory for the build. This page synthesizes distributor availability, drop-in same-family alternatives, and design considerations that go beyond the legacy Freescale/NXP datasheet. Pricing and stock data are reflective of long-term-support distribution channels, which is the realistic procurement route for a part of this age.

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MPC857TZQ50B - PowerQUICC MPC8xx 32-Bit MPU 50MHz 357-PBGA | NXP
MPC857TZQ50B

MPC857TZQ50B - PowerQUICC MPC8xx 32-Bit MPU 50MHz 357-PBGA | NXP

The NXP MPC857TZQ50B is a 32-bit RISC microprocessor from the PowerQUICC MPC8xx family, integrating a PowerPC core with on-chip peripherals in a 357-ball PBGA package measuring 25x25 mm. It runs at a 50 MHz core clock, manufactured on a 0.32 micrometer CMOS process, and is supplied in tray packaging. The device combines a CPU, system integration functions, and a communications processor module for embedded networking and telecom designs. A microprocessor (MPU) is an integrated circuit that contains the arithmetic logic unit, control unit, and register set of a computer on a single chip. Unlike a microcontroller (MCU), which typically includes flash memory and analog peripherals, an MPU relies on external memory and is optimized for high-throughput data-plane workloads. Within the broader taxonomy, the MPC857TZQ50B sits as: MPU -> microprocessor -> processor -> semiconductor. The PowerQUICC family historically dominated router, switch, and wireline telecom hardware because it merged a PowerPC core with dedicated communication-engine blocks. Key features of the MPC857TZQ50B include a single 32-bit core at 50 MHz, the classic MPC8xx system integration unit with memory controllers, DMA, timers, and serial interfaces, and a CPM (Communications Processor Module) for HDLC/PPP/SCPCI traffic offload. The 357-ball PBGA package provides high I/O density for the parallel system bus, memory interface, and communications ports. The device supports industrial-grade operating conditions typical for the PowerQUICC generation. The architecture combines a PowerPC integer core with a RISC-style communications processor, allowing protocol handling without burdening the host CPU. The 0.32 um CMOS process balances transistor density with the ruggedness required for long-life telecom and industrial programs. This dual-engine approach is what made the PowerQUICC line the de-facto choice for legacy WAN routers, PBX systems, and basestation control. Typical applications include WAN routers and access multiplexers, ISDN/DSL line cards, industrial serial protocol gateways, and legacy telecom control boards. Long-lifecycle programs in railway signaling, defense communications, and avionics databuses continue to design around this platform because of its proven reliability and the existing firmware ecosystem. When designing with the MPC857TZQ50B, ensure PCB layout follows BGA fan-out best practices with microvia or via-in-pad escape routing, and provide bulk bypass capacitance near the 3.3 V and 1.8 V supply rails. The 357-ball BGA has no leaded alternative footprint, so any second-source decision must match the same package and pin map to avoid board rework. This page synthesizes distributor pricing, drop-in BGA alternatives, and design considerations not collected in any single manufacturer datasheet, giving engineers a one-stop reference for sourcing and replacement planning.

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MPC857TZQ80B - MPC8xx PowerQUICC 80MHz MPU | NXP | Industrial
MPC857TZQ80B

MPC857TZQ80B - MPC8xx PowerQUICC 80MHz MPU | NXP | Industrial

The NXP MPC857TZQ80B is a 32-bit PowerQUICC microprocessor from the MPC8xx family running at 80 MHz core frequency, integrated in a 357-ball PBGA (25x25 mm) package. The device embeds the PowerPC core, a flexible system integration block, and a communications processor module, delivering integrated networking and peripheral control in a single die. A PowerQUICC MPU is a family of PowerPC-based microprocessors originally designed by Motorola (later Freescale, now NXP) that combine a high-performance CPU core with integrated peripherals such as memory controllers, serial communications controllers, and timers, specifically optimized for embedded networking, industrial control, and telecommunications equipment. Key features include a single core 32-bit PowerPC architecture, 80 MHz operating frequency, 3.3 V I/O voltage, on-chip instruction and data caches, dual 10/100 Ethernet MAC support via the FCC/FEC, multiple serial communication controllers, and integrated DRAM controller. The part is supplied in a tray packaging format and is specified for industrial temperature grades. Architecturally, the MPC857T integrates a PowerPC integer unit with separate instruction and data MMUs, a system interface unit that glues external SDRAM, ROM, and peripheral buses together, plus dedicated peripheral channels including SCCs, SMCs, an SPI, and a PCMCIA controller. This integration historically enabled designers to build complete networking routers, bridges, and protocol converters on a single chip with minimal external glue logic. Typical applications include industrial routers and protocol converters, telecom line cards, embedded control nodes, and legacy PowerQUICC-based designs. Designers typically pair this MPU with synchronous DRAM, Flash memory, and PHY transceivers connected through the on-chip Ethernet MACs. When designing with this part, ensure the 3.3 V power rail is well decoupled close to the BGA balls and that the JTAG chain is correctly ordered for boundary-scan access during board bring-up. Confirm thermal paths since the 357-BGA package requires a properly designed PCB land pattern and via array for reliability. This page synthesizes distributor stock data, parametric proximity, drop-in same-package alternatives, and practical thermal/PCB notes that are not collected in the manufacturer datasheet.

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MPC859DSLCVR50A - PowerQUICC MPC8xx 32-bit MPU 50MHz | NXP
MPC859DSLCVR50A

MPC859DSLCVR50A - PowerQUICC MPC8xx 32-bit MPU 50MHz | NXP

The NXP MPC859DSLCVR50A is a 32-bit PowerQUICC microprocessor from the MPC8xx family, integrating a PowerPC core with on-chip communications peripherals and running at 50 MHz, housed in a 357-ball PBGA (25x25 mm) package. It features a 1.8V core voltage, 3.3V I/O voltage, a 32-bit RISC-style PowerPC architecture, and 0.18 µm CMOS process technology. A PowerQUICC (PowerPC Quad Integrated Communications Controller) microprocessor is a specialized embedded processor that combines a PowerPC CPU core with dedicated peripherals for networking and telecommunications. Within the broader hierarchy, MPC8xx parts are embedded microprocessors (a subcategory of microcontrollers / MPU ICs) that target serial-communication-intensive designs such as routers, WAN interfaces, and industrial control. The 50 MHz core frequency, integrated SCCs (serial communication controllers), and PCI bridge make the MPC859DSLCVR50A a classic building block for legacy telecom and embedded networking equipment. Key features include 50 MHz core clock speed, 32-bit PowerPC core, integrated communications processor module (CPM) with multiple serial interfaces, integrated memory controller supporting DRAM/EDO, a 32-bit PCI interface, and low-power 1.8V core operation. The 357-ball PBGA package is a plastic ball grid array measuring 25x25 mm, designed for surface-mount assembly on high-density embedded boards. Technically, the MPC859DSLCVR50A uses the PowerPC 603e-derived core with a unified 4 KB instruction and 4 KB data cache, hardware MMU, and dual-port RAM between the core and the CPM. The CPM offloads communications tasks from the CPU through independent RISC engines, enabling wire-speed serial handling while the core runs application code. The 0.18 µm CMOS process delivers low power dissipation and high integration density. Typical applications include WAN routers and CSU/DSU equipment, industrial serial networking hubs, ISDN terminal adapters, embedded communications controllers, protocol converters, and legacy telecom infrastructure requiring deterministic serial performance. When designing with this device, note that it requires external SDRAM/DRAM, boot ROM, and a system PLL reference. Designers should consult the MPC866/859 hardware specifications document for AC/DC electrical characteristics and pin multiplexing. The 357-ball BGA requires X-ray inspection and reflow profiling compatible with large-array packages. This page synthesizes distributor pricing from DigiKey and Rochester Electronics, drop-in same-family alternatives from the MPC8xx product line, and practical design notes not consolidated in the manufacturer datasheet, giving procurement and engineering teams a single reference for the MPC859DSLCVR50A.

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MPC859DSLVR50A - PowerQUICC MPU 50MHz 357-PBGA | NXP
MPC859DSLVR50A

MPC859DSLVR50A - PowerQUICC MPU 50MHz 357-PBGA | NXP

The NXP MPC859DSLVR50A is a PowerQUICC integrated communications controller from the MPC8xx family that combines a 32-bit Power Architecture microprocessor core with a Communications Processor Module (CPM) on a single die. Operating at 50 MHz, it integrates one 32-bit core, a CPM supporting 10 Mbps Ethernet and optional 10/100 Mbps Ethernet, and DRAM control in a 357-ball PBGA package at 25x25 mm. This specific MPC859DSLVR50A variant is targeted at DSL modem, Integrated Access Device (IAD), and residential gateway Customer Premises Equipment (CPE) applications. An integrated communications controller (PowerQUICC) is a category of system-on-chip that merges a general-purpose microprocessor core with dedicated communications peripherals and memory controllers. PowerQUICC belongs to the broader family of microprocessors, which sit above microcontrollers and below full applications processors in the embedded processing hierarchy. Compared to a discrete CPU-plus-communications-ASIC design, a PowerQUICC reduces component count, board area, and BOM cost while preserving deterministic CPM-driven serial handling for telecom workloads. Key features include a 50 MHz core, 66 MIPS peak throughput, on-chip DRAM controller, two serial interfaces for ATM/HDLC, USB, I2C, and SPI peripherals, an enhanced SAR (ESAR) mode that adds multiple ATM priority levels and port-to-port switching versus the legacy MPC860SAR, and industrial-grade 0 to 95 C operation. The device is built on a 0.18 micron CMOS process and supports 3.3 V I/O with a separate core voltage rail. The architecture splits work between the core (general control-plane and management tasks) and the CPM (real-time channelized serial, ATM AAL, and HDLC processing). This dual-engine design lets DSLAM-facing software run on the core while the CPM handles per-channel SAR, framing, and DMA autonomously, which keeps overall CPU utilization low at high channel counts. Typical applications include DSL modems, Integrated Access Devices, residential gateways, low-port ATM SAR edge devices, and industrial serial routing controllers. The integrated CPM offloads per-channel SAR processing so the Power Architecture core stays free for routing, firewalling, and management-plane software. When designing with the MPC859DSLVR50A, ensure the 3.3 V and core rails are sequenced correctly and that the 357-ball PBGA land pattern is laid out for adequate thermal dissipation; sustained CPM activity can push junction temperatures high in enclosed CPE enclosures. The MPC859 family is in NXP's End-of-Life product list, so plan last-time-buy volumes carefully for long-lifecycle programs.

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MPC859DSLVR66A - PowerQUICC MPU 66MHz 357-PBGA | NXP Semiconductors
MPC859DSLVR66A

MPC859DSLVR66A - PowerQUICC MPU 66MHz 357-PBGA | NXP Semiconductors

The NXP Semiconductors MPC859DSLVR66A is a 32-bit PowerQUICC integrated communications microprocessor running at 66 MHz (delivering 87 MIPS), housed in a 357-pin PBGA package (25x25 mm). It integrates a Power Architecture core with a Communications Processor Module (CPM), 10/100 Ethernet MAC, and DRAM controller on a single die fabricated in 0.18 µm CMOS. An MPU (Microprocessor Unit) is the central processing block of an embedded computing system, sitting above the memory and peripheral subsystem in the hardware hierarchy. Within NXP's PowerQUICC family, the MPC8xx series combines a scalar PowerPC core with a dedicated RISC communications processor, allowing networking and telecom tasks (HDLC, ATM, Ethernet) to be offloaded from the main core. The MPC859 specifically adds an integrated 10/100 Mbps Fast Ethernet MAC and supports up to four serial communications controllers. Key features include a 66 MHz core frequency, 87 MIPS Dhrystone throughput, integrated 10/100 Ethernet, four SCCs (Serial Communication Controllers), two SMCs (Serial Management Controllers), USB support, I2C, SPI, and a DRAM controller supporting SDRAM, EDO, and FPM modes. The 357-PBGA package provides extensive I/O for telecom and industrial applications. The 'SL' suffix denotes the extended temperature grade of 0°C to +95°C, suited for commercial and light-industrial environments. Typical applications include telecommunications equipment such as DSLAM line cards, ISDN routers, and VoIP gateways, as well as industrial control systems, factory automation, and embedded networking appliances. The combination of a fast PowerPC core and a separate CPM makes the part well suited for systems that must handle real-time protocol processing concurrently with control-plane software. When designing with this MPU, ensure the 3.3 V supply rail is well decoupled and that the RESET configuration is pulled correctly during boot. Engineers should budget for external SDRAM and Flash, since the part has no on-chip non-volatile memory. Pin compatibility across the MPC866/859/860 family allows drop-in upgrades to higher-speed variants without PCB rework.

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MPC859DSLZP50A - PowerQUICC 50MHz Comm Processor | NXP | BGA-357
MPC859DSLZP50A

MPC859DSLZP50A - PowerQUICC 50MHz Comm Processor | NXP | BGA-357

The NXP (formerly Freescale) MPC859DSLZP50A is a PowerQUICC integrated communications processor featuring a 32-bit Power Architecture core running at 50 MHz, housed in a 357-pin PBGA package measuring 25 mm x 25 mm. It is a member of the MPC866/859 family of versatile single-chip integrated microprocessors and peripherals designed for customer-premises equipment (CPE) communications. Background Knowledge: A PowerQUICC (Power Architecture QUICC) integrated communications processor is a system-on-chip that combines a high-performance Power Architecture CPU core with dedicated communications peripheral engines such as serial communication controllers, ATM controllers, and fast Ethernet MACs. It sits in the hierarchy of communications ICs > network processors > embedded processors > microprocessors, and historically bridged the gap between general-purpose MCUs and dedicated network ASICs for telecom/datacom infrastructure. Key features of the MPC859DSLZP50A include a single 32-bit Power Architecture core at 50 MHz, dual 10/100 Mbps Ethernet MACs, multiple serial communication controllers (SCCs), an ATM Utopia interface, and a peripheral bus supporting up to 32 address bits. The device operates from a 1.8 V core supply and 3.3 V I/O supply. It is specifically tailored for DSL modems, integrated access devices (IADs), and residential gateways, where its CPM (Communications Processor Module) offloads protocol processing from the CPU. The MPC859DSL uses a 0.18-micron CMOS process with low-power modes including doze, sleep, and deep-sleep, allowing idle power reduction in always-on CPE equipment. The CPM can independently handle SCC, SMC, SPI, I2C, and USB protocol layers, enabling wire-speed WAN-side framing without CPU intervention. Typical applications include DSL modems, integrated access devices (IADs), residential gateways, SOHO routers, and industrial serial-protocol bridges. Its combination of Ethernet MACs, ATM support, and multi-protocol SCCs makes it especially well-suited for converged voice/data CPE where multiple T1/E1, UART, or HDLC links must be aggregated onto an Ethernet uplink. Design consideration: Because this part is end-of-life on NXP's product page, designers evaluating it for new designs should plan for last-time-buy and consider NXP's QorIQ or PowerQUICC II/III successors for greenfield projects, while the MPC859DSL remains a viable pin-compatible upgrade for legacy repair and existing designs. This page synthesizes distributor stock signals, NXP's end-of-life notices, and practical design notes on the MPC866/859 PowerQUICC family that are not consolidated in a single manufacturer document.

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MPC859DSLZP66A - 66MHz PowerQUICC MPU 357-BGA | NXP
MPC859DSLZP66A

MPC859DSLZP66A - 66MHz PowerQUICC MPU 357-BGA | NXP

NXP Semiconductors (originally Freescale) MPC859DSLZP66A is a 32-bit PowerQUICC microprocessor from the MPC8xx family, integrating a PowerPC core with a versatile communications processor module (CPM). The device operates at 66 MHz core clock, integrates MMU and FPU support, and is housed in a 357-ball PBGA (25x25 mm) package. The 'ZP66A' suffix decodes as: ZP = 357-PBGA package, 66 = 66 MHz core frequency, A = revision A silicon. The MPC859 family is designed for embedded networking and telecommunications infrastructure where deterministic I/O handling and on-chip protocol support reduce external glue logic. A PowerQUICC (PowerPC QUICC) processor is an integrated communications microprocessor that combines a PowerPC execution core with the QUICC (Quad Integrated Communications Controller) engine. This architecture belongs to the broader category of embedded MPUs and SoCs used in networking equipment, industrial routers, and telecom line cards. By placing CPU, memory controller, DMA, serial controllers, and protocol acceleration on a single die, PowerQUICC parts reduce system BOM and latency versus discrete MCU-plus-ASIC designs. Key features of the MPC859DSLZP66A include 16 KB unified instruction/data cache, 4 KB I-cache and 4 KB D-cache split options, 32-bit address bus, integrated memory controller supporting DRAM, SRAM, ROM and Flash, dual 10/100 Mbit Ethernet MAC via CPM (Fast Ethernet on MPC859 variants), HDLC/SDLC, UART, BISYNC, and I2C peripherals. The part operates from a 3.3 V I/O and core supply and supports industrial temperature grades depending on screening option. The device uses a Harvard architecture core with separate TLB-based MMU for instruction and data. The CPM operates as a co-processor, offloading DMA and protocol handling from the CPU. This split is critical in telecom designs where sustained serial throughput must coexist with control-plane code without dropping frames. The 357-PBGA package provides extensive I/O including 32-bit address, 64-bit data bus, and dedicated CPM signal pins. Typical applications include WAN access routers, ISDN terminal adapters, DSLAM line cards, industrial serial communication controllers, and legacy telecom switching equipment. The integrated CPM makes the MPC859DSLZP66A well suited for designs that require multiple HDLC channels, TDM trunks, or Ethernet ports bridged to a CPU without external MAC devices. When designing with this part, ensure PCB layout accommodates the 25x25 mm BGA with controlled-impedance traces for the memory bus and Ethernet signals. Decoupling requires multiple bulk and bypass capacitors placed adjacent to BGA balls, and JTAG boundary scan should be accessible for production test. This page consolidates distributor pricing, drop-in alternatives, and practical design considerations not aggregated in any single manufacturer datasheet, providing information gain beyond vendor and distributor stock pages.

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MPC859PCVR100A - PowerQUICC 32-Bit 100MHz MPU | NXP | 357-PBGA
MPC859PCVR100A

MPC859PCVR100A - PowerQUICC 32-Bit 100MHz MPU | NXP | 357-PBGA

The NXP (formerly Freescale) MPC859PCVR100A is a PowerQUICC integrated communications processor based on the MPC8xx Power Architecture, delivering 100 MHz core performance with a 32-bit data path in a 357-ball PBGA package (25x25 mm). Belonging to the MPC859DSL family, this 1-core MPU combines the PowerPC core with peripheral subsystems optimized for ATM, HDLC, and Ethernet communications. A PowerQUICC microprocessor is a system-on-chip (SoC) communications controller that integrates a PowerPC processor core with specialized peripheral engines (the CPM - Communications Processor Module) designed to offload networking tasks from the main CPU. The MPC8xx series sits in the hierarchy: PowerQUICC -> Power Architecture microprocessor -> embedded MPU -> integrated circuit. These parts historically target Customer Premises Equipment (CPE) and enterprise telecom designs where deterministic communications handling and integrated peripheral support reduce component count. Key features of the MPC859PCVR100A include a 100 MHz PowerPC core, integrated CPM with support for multiple ATM SAR priority levels, two 10/100 Mbps Ethernet MACs, HDLC/PPP support, and parallel I/O. The 357-PBGA 25x25 mm package provides high-density interconnect for the wide internal bus structures. Compared with the MPC860, the MPC859DSL adds enhanced SAR (ESAR) features such as multiple APC priority levels and port-to-port switching without host intervention. Typical applications include DSLAM line cards, integrated access devices, multichannel routers, VoIP gateways, and ATM edge concentrators. The part is well suited to designs that previously used the MPC860SAR and need additional SAR functionality without changing the toolchain. When designing with this device, designers must allocate adequate PCB real estate for the 25x25 mm PBGA and plan thermal dissipation paths. Long-term procurement planning is essential because the MPC859 has been classified by NXP/Freescale as a mature/legacy product line. This page synthesizes legacy distributor pricing, pin-compatible MPC8xx drop-in alternatives (MPC866PCVR100A, MPC859TCVR100A, MPC859TVR100A), and practical design considerations not found in the original manufacturer datasheet.

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MPC859PVR133A - 133MHz PowerQUICC MPC8xx MPU | NXP | Networking
MPC859PVR133A

MPC859PVR133A - 133MHz PowerQUICC MPC8xx MPU | NXP | Networking

The NXP (formerly Freescale) MPC859PVR133A is a 32-bit PowerQUICC communications processor from the MPC8xx family, integrating a Power Architecture CPU core with on-chip peripheral bridges for telecom and networking applications. It operates at 133 MHz on a 3.3 V supply, is fabricated in a 0.18 µm CMOS process, and is housed in a 357-ball PBGA package measuring 25 × 25 mm. The part is rated for the commercial 0 °C to 95 °C operating range. The MPC859PVR133A combines a 32-bit RISC core (Power Architecture) with a versatile communications processor module (CPM) that supports multiple serial protocols including Ethernet, HDLC/SDLC, and UART, eliminating the need for external protocol-handling ASICs in many designs. Key features include 4 Kbytes of instruction cache and data cache, a memory management unit (MMU), eight BDMA channels, three Fast Ethernet controllers, two UTOPIA/PQM interfaces, and PCI expansion support. The integrated CPM can independently handle up to four SCC (serial communication controllers), two SMC (serial management controllers), one SPI, and one I²C interface, offloading communication tasks from the CPU. Typical applications include WAN/LAN routers, DSLAM line cards, Ethernet switches, ISDN routers, T1/E1 multiplexers, and industrial control networks. The wide protocol coverage makes the MPC859PVR133A particularly attractive for multi-service access platforms where space and BOM cost are critical. From a design perspective, the 357-BGA package demands a multilayer PCB with microvia or laser-drilled blind-via technology for breakout routing, and the part requires decoupling of at least 0.1 µF ceramic capacitors within 50 mils of each supply ball. The commercial-temperature suffix limits deployment to indoor networking equipment; the industrial-temperature variant is identified by the 'I' suffix in the part number. This page synthesizes distributor pricing, drop-in sibling variants in the MPC859 family, and practical layout notes not found in the manufacturer datasheet.

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MPC859PZP133A - 133MHz PowerQUICC MPU 357-BGA | NXP Semiconductors
MPC859PZP133A

MPC859PZP133A - 133MHz PowerQUICC MPU 357-BGA | NXP Semiconductors

The NXP MPC859PZP133A is a 133 MHz PowerQUICC MPU (Microprocessor Unit) built on the MPC8xx family, integrating a 32-bit Power Architecture core with the CPM (Communications Processor Module) on a single die, packaged in a 357-pin PBGA (25x25 mm). It targets embedded communications and networking equipment where deterministic real-time I/O and protocol handling matter. A PowerQUICC MPC8xx processor combines a CPU core with a dedicated communications engine. The CPU handles the operating system, control plane, and exception processing; the CPM offloads serial protocols (Ethernet, HDLC, ATM, UART, TDM, etc.) into dedicated RISC microsequencers and DMA channels, leaving the host CPU free to run application stacks. Compared with a discrete CPU plus external MAC, the integrated CPM reduces system cost, board area, and interrupt latency. Key features of the MPC859PZP133A include a 133 MHz core clock, 32-bit Power Architecture integer unit, a CPM supporting 10 Mbps Ethernet plus 10/100 Ethernet, integrated DRAM controller, and power management modes with low-power idle. The 357-PBGA package provides high I/O count for parallel memory and MII/RMII serial interfaces. According to the manufacturer datasheet, the device operates from a 1.8V/2.2V core and 3.3V I/O rail and is specified over the 0C to +95C ambient range. Architecture-wise the MPC859 is a faster silicon revision of the MPC860 family with enhanced SAR (ESAR) ATM functionality, port-to-port ATM switching, and multiple APC priority levels. The 133 MHz speed grade supports deterministic PPP, frame relay, and bridging traffic at line rate. Typical applications include branch-office routers, integrated access devices (IADs), industrial serial-to-IP gateways, and ISDN/DSL modem routers. Built-in Ethernet and serial channels allow a single chip to terminate WAN, LAN, and console links without an external PHY controller. When designing with this part, ensure the 1.8V core and 3.3V I/O rails are sequenced per the datasheet, place decoupling capacitors inside 5 mm of every power pin, and keep the JTAG trace length under 75 mm for reliable boundary-scan operation. Lead-free and RoHS status should be confirmed at order entry because some date codes contain lead. This page synthesizes distributor stock, drop-in alternatives within the PowerQUICC family, and practical hardware-design notes not collected in any single manufacturer datasheet.

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MPC859TCVR100A - 100MHz PowerQUICC MPU, 357-PBGA | NXP
MPC859TCVR100A

MPC859TCVR100A - 100MHz PowerQUICC MPU, 357-PBGA | NXP

The NXP MPC859TCVR100A is a 32-bit PowerQUICC integrated communications processor built on Power Architecture, operating at 100 MHz core frequency and housed in a 357-pin plastic BGA package (PBGA, 25x25 mm). It integrates a 32-bit PowerPC core with the MPC8xx family peripheral set, including a communications processor module (CPM), system interface unit, memory controller, and PCMCIA interface, making it a versatile system-on-chip for telecom and embedded networking applications. What is a PowerQUICC microprocessor? A PowerQUICC (pronounced 'power-quick') device is a family of integrated communications processors originally developed by Motorola (later Freescale, now NXP) that combines a PowerPC CPU core with on-chip peripheral controllers optimized for networking, telecommunications, and embedded control. The PowerQUICC sits in the broader hierarchy of microprocessor -> embedded processor -> communications processor -> integrated system-on-chip. The MPC859 family targets routers, bridges, WAN access, and industrial control designs where deterministic communication and on-chip peripheral integration reduce bill-of-materials cost. Key features include a single 32-bit core running at 100 MHz, a hardware multiply/accumulate unit, dedicated CPM with multiple serial channels, four 16-bit timers, system integration unit with bus sizing, an 8/16/32-bit ROM/FLASH/SRAM/DRAM controller, a PCMCIA interface supporting two card slots, and a 32-bit PC-AT ISA-style local bus. Industrial temperature screening of -40C to +100C supports telecom outdoor and industrial enclosure deployments. Architecturally, the MPC859DSL integrates the CPU core, CPM, and SIU on a single die, providing deterministic real-time response by offloading DMA, serial protocol handling, and bus arbitration to dedicated hardware. This eliminates the software overhead typical of general-purpose CPUs performing protocol stacks, enabling sustained serial throughput even under heavy interrupt load. The 357-PBGA package exposes the full local bus, CPM I/O, and PCMCIA signals needed for design reuse across the MPC8xx family. Typical applications include enterprise router control planes, ISDN/T1/E1 channel banks, industrial serial concentrators, multi-port serial controller cards, and PCMCIA-based storage peripherals. The 100 MHz core and CPM architecture deliver wire-speed serial handling for telecom access multiplexers while remaining a single-chip solution. When designing with the MPC859TCVR100A, ensure the 357-pin PBGA land pattern is routed with matched-length control for the 60x bus plus all 32-bit data signals. Provide bulk decoupling near each BGA quadrant to suppress core and I/O switching noise; consider a four-layer minimum stack-up with dedicated power planes for GVDD and VDDQ rails. This page synthesizes distributor pricing, drop-in alternatives from the PowerQUICC family, and practical design notes not found in the standalone manufacturer datasheet, providing a single reference for engineers specifying the MPC859TCVR100A in new designs or maintenance programs.

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MPC859TVR100A - 100MHz PowerQUICC MPC8xx MPU, 357-PBGA | NXP
MPC859TVR100A

MPC859TVR100A - 100MHz PowerQUICC MPC8xx MPU, 357-PBGA | NXP

The NXP (formerly Freescale) MPC859TVR100A is a PowerQUICC MPC8xx integrated communications-controller microprocessor combining a 32-bit Power Architecture core running at 100 MHz with on-chip peripheral subsystems, housed in a 357-pin PBGA package (25 mm x 25 mm). It integrates a 32-bit RISC CPU core, a separate 32-bit RISC communications-processor module (CPM), system integration functions, memory controllers, and a versatile peripheral set on a single die. A PowerQUICC microprocessor is a system-on-chip (SoC) optimized for embedded telecommunications and networking equipment, where the host CPU runs control-plane software and the CPM offloads serial-channel and protocol processing. The MPC8xx series belongs to the broader Power Architecture microcontroller family, descending from the original PowerPC embedded line, and bridges the gap between simple MCUs and high-end PowerPC processors for routers, switches, and industrial controllers. Key features include a 100 MHz 32-bit core with 0.18 µm CMOS process, 3.3 V I/O supply, integrated CPM supporting multiple serial channels (typically SCCs, FCCs, and an SPI/I2C), a 32-bit data bus, and on-chip dual-port RAM for descriptor and buffer management. According to the NXP hardware-specifications document, the part is qualified for commercial-grade 0 °C to 95 °C operation and supports JTAG boundary-scan for production test. Architecturally, the MPC859TVR100A places dedicated DMA engines inside the CPM so that Ethernet, HDLC, UART, and other serial traffic never interrupt the host core. This offload model keeps the host CPU available for routing-table management, SNMP, or real-time control loops, which is the central reason PowerQUICC devices dominated WAN edge and telecom equipment through the late 1990s and 2000s. Typical applications include WAN access routers, ISDN terminal adapters, xDSL modems, industrial serial-protocol gateways, and embedded telecommunications controllers where deterministic serial-channel throughput outweighs the need for a GHz-class application processor. The 357-BGA package supports high-pin-count parallel buses and multiple PHY interfaces on a single board. Designers should plan for the device's discontinued long-term supply status by validating last-time-buy dates with authorized distributors and stocking production quantities before EOL windows close. PCB layout must follow the BGA escape rules for the 25 mm x 25 mm substrate and ensure proper thermal vias under the package to keep junction temperature within the 0-95 °C operating range. This page synthesizes distributor inventory, drop-in alternative listings, and practical design considerations not aggregated in the manufacturer datasheet alone.

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MPC859TVR133A - 133MHz PowerQUICC MPU, 32-Bit | NXP | 357-PBGA
MPC859TVR133A

MPC859TVR133A - 133MHz PowerQUICC MPU, 32-Bit | NXP | 357-PBGA

The NXP Semiconductors MPC859TVR133A is a 133 MHz PowerQUICC integrated communications-controller MPU built on a 32-bit Power Architecture core, packaged in a 357-ball PBGA (25x25 mm). It integrates a communications processor module, system integration unit, and peripherals in a single die for embedded networking and control applications. This part targets legacy industrial, telecom, and routing designs where long-term supply and field reliability are critical. A PowerQUICC (Quad Integrated Communications Controller) is a category of NXP/Freescale microprocessors that combine a Power Architecture CPU core with specialized communications peripherals - typically multi-channel SCCs (Serial Communication Controllers), an FCC (Fast Communications Controller), an SPI, an I2C, an IDMA controller, and a PCMCIA interface. In the broader product taxonomy it sits inside: microprocessor -> embedded MPU -> communications processor -> SoC (System-on-Chip for networking). Key features of the MPC859TVR133A include a 133 MHz CPU core, 32-bit data path, on-chip 8 KB instruction and 8 KB data caches, four SCC channels, two SMC channels, one FCC, dedicated peripheral interfaces (SPI, I2C, PCMCIA), and a CPM (Communications Processor Module) that offloads protocol handling from the CPU. The integrated system interface unit provides DRAM, SRDRAM, and ROM/Flash control. The architecture pairs the PowerPC-style CPU with the CPM co-processor so that low-level protocol work (Ethernet, HDLC, UART, transparent bit streams) runs independently, leaving the core free for control-plane or routing software. The 133 MHz speed grade supports throughput-demanding serial links while keeping power dissipation within industrial-thermal envelopes. Typical applications include industrial routers and gateways, telecom control cards, networked process controllers, ISDN/T1/E1 access equipment, and legacy SCADA nodes. Because the part is marked End-of-Life by NXP, it is mostly used in maintenance, repair, and long-life-cycle industrial deployments where re-design is not feasible. When designing with the MPC859TVR133A, ensure the supply voltages (core 1.8V, I/O 3.3V) are well-decoupled and that boot configuration pins are pulled to the correct levels; mis-configuration is the most common MPC8xx field failure. Use a JTAG-controlled debugger for first-stage bring-up since the masked internal ROM expects specific memory-map layout at reset. This page synthesizes the manufacturer datasheet, current distributor stock, drop-in MPC85/MPC86 family alternatives, and practical design notes not bundled in any single reference document.

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MPC859TZP133A - PowerQUICC 133MHz MPU 32-Bit | NXP | 357-BGA
MPC859TZP133A

MPC859TZP133A - PowerQUICC 133MHz MPU 32-Bit | NXP | 357-BGA

The NXP Semiconductors MPC859TZP133A is a PowerQUICC integrated communications controller (PowerQUICC I family) built on a 32-bit Power Architecture core operating at 133MHz, housed in a 357-ball PBGA (BGA-357) package measuring 25x25mm with 1.8V core / 3.3V I/O supply rails. An MPU/MPMC (Microprocessor Unit) is the central processing element of an embedded computing system, executing instructions, managing memory, and orchestrating peripherals. The PowerQUICC family sits in the hierarchical taxonomy of: MPU -> embedded processor -> microprocessor -> integrated circuit. The MPC859T specifically integrates a PowerPC core with on-chip communications peripherals (SCCs, SMCs, FCCs), eliminating the need for external communication chipsets. Key features include 133MHz core clock speed, 32-bit RISC architecture, integrated communications controller block with multiple serial channels, 0.18um CMOS process technology, and an operating temperature range of 0C to +95C. The 357-ball PBGA package provides high-density interconnect for the extensive peripheral set while maintaining manageable PCB routing. The device operates on 3.3V I/O with an internal 1.8V core. Architecturally, the MPC859TZP133A combines a PowerPC 603e-class core with the CPM (Communications Processor Module), enabling offloading of serial protocol handling from the main CPU. This heterogeneous structure is particularly efficient for telecom and networking workloads where serial I/O dominates. The integrated memory controller supports DRAM, SRAM, and flash, while the system interface includes PCI. Typical applications include WAN routers, DSLAM line cards, telecom switching equipment, industrial control with networking, and legacy serial-protocol aggregation platforms. The wide peripheral integration makes it suitable for compact designs where multiple communication channels are required. When designing with the MPC859TZP133A, ensure proper power-supply sequencing (3.3V before 1.8V, or simultaneously) and adequate decoupling on both rails. The BGA package requires X-ray inspection or careful reflow profiling; pad design must follow NXP's design guide to avoid solder voids under the 1.0mm pitch balls. This page synthesizes distributor pricing (as of 2026-10-16), lifecycle insight, drop-in alternatives within the MPC8xx family, and practical design notes not typically aggregated on a single manufacturer product page.

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MPC860DECZQ50D4 - 50MHz PowerQUICC MPU, 357-BGA | NXP
MPC860DECZQ50D4

MPC860DECZQ50D4 - 50MHz PowerQUICC MPU, 357-BGA | NXP

The NXP MPC860DECZQ50D4 is a 50 MHz PowerQUICC microprocessor IC from the MPC8xx family, integrating a 32-bit Power Architecture core with an on-chip Communications Processor Module (CPM) in a 357-ball PBGA package (25x25 mm). It is designed for embedded communications and networking controller applications such as routers, switches, DSLAMs, and telecom line cards, where deterministic protocol processing is required alongside general-purpose CPU control. An MPU (Microprocessor Unit) integrates a CPU core with peripheral and memory subsystems on a single die, while a PowerQUICC device extends this concept with a dedicated RISC-based communications processor that offloads DMA, HDLC, Ethernet, ATM, and serial protocol handling from the main CPU core. Within the broader taxonomy, PowerQUICC sits under Power Architecture SoC -> microprocessor -> embedded processor -> semiconductor, and combines deterministic I/O with a familiar programming model that simplifies firmware portability from earlier MPC8xx designs. The MPC860DECZQ50D4 features include a single 32-bit core running at 50 MHz, dual 10 Mbps Ethernet MACs with MII interfaces, four serial communications controllers (SCCs), two serial management controllers (SMCs), a 4-channel DMA controller, and a memory controller supporting DRAM, SRAM, EPROM, Flash, and user-programmable machines. The 'C' suffix denotes a 4 Kbyte instruction cache, 4 Kbyte data cache, and integrated memory management unit (MMU) with translation tables, enabling protected-memory operating systems such as VxWorks and embedded Linux. Power consumption is reduced relative to legacy MPC860 designs through clock gating and selective peripheral power-down. The part targets telecom infrastructure, industrial control, and embedded networking designs where deterministic communications throughput is required. Operating temperature range is -40 C to +95 C, suitable for industrial-grade enclosures but not full automotive. The 'D4' suffix indicates a tray packaging variant of the 357-PBGA, which is a lead-free but non-RoHS lead-bearing BGA per long-standing PowerQUICC data sheets. Designers should consider the device's EOL lifecycle status, the need for legacy compiler toolchains, and the continued availability of NXP/Freescale reference BSPs. The MPC860DECZQ50D4 is appropriate for sustainment of existing designs and for new designs where long-term support outweighs raw clock speed requirements. Compared to a 50 MHz PowerQUICC, modern Cortex-R or Cortex-A SoCs deliver 10x to 100x the DMIPS per watt but require revalidation of firmware, drivers, and timing budgets.

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MPC860DEVR80D4 - PowerQUICC MPU 80MHz 357-PBGA | NXP
MPC860DEVR80D4

MPC860DEVR80D4 - PowerQUICC MPU 80MHz 357-PBGA | NXP

The NXP Semiconductors MPC860DEVR80D4 is a PowerQUICC MPC8xx microprocessor that integrates a 32-bit PowerPC core running at 80 MHz with on-chip communications peripherals, housed in a 357-ball PBGA package (25 x 25 mm). Marked End of Life on the NXP product page, it was designed for embedded communications and networking controller applications where integration, deterministic performance, and proven toolchains mattered more than raw clock speed. The device combines a 32-bit RISC core, memory management, and a rich peripheral set in a single IC, allowing designers to replace a discrete CPU plus glue logic with one BGA package. As a PowerQUICC microprocessor, the MPC860DEVR80D4 belongs to the broader family of PowerPC-based embedded MPUs, sitting between classic microcontrollers and high-end application processors in capability and complexity. The PowerQUICC architecture was NXP's (and originally Motorola's) flagship communications-processor family, integrating a PowerPC core with dedicated communications engine peripherals for WAN, LAN, and serial routing. The 'DE' suffix denotes Ethernet and SCC-rich peripheral configuration, while 'VR80' indicates 80 MHz core speed in a lead-free PBGA. Key specifications include 80 MHz maximum core frequency, 32-bit internal data path, single-core architecture, and a 357-pin PBGA (25x25 mm) surface-mount package. Power consumption, exact memory map, and peripheral count should be confirmed against the manufacturer datasheet because this variant is end-of-life and datasheet revision documents are the only authoritative source. Typical applications include telecom line cards, ISDN adapters, industrial routers, VoIP gateway controllers, and legacy networking equipment where a deterministic PowerPC core with integrated CPM (Communications Processor Module) replaced an external ASIC. The 357-PBGA package requires multi-layer PCB design with controlled-impedance traces and a substantial thermal copper pour. When designing with this EOL part, verify long-term availability through authorized distributors and review NXP's Product Change Notice documentation. The 357-ball PBGA demands reflow profile control within JEDEC J-STD-020 parameters and X-ray inspection post-assembly because the large array is not visually inspectable. Always check NXP's official PCN database before committing to a new design.

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MPC860DEZQ50D4 - PowerQUICC MPU 50MHz 357-BGA | NXP
MPC860DEZQ50D4

MPC860DEZQ50D4 - PowerQUICC MPU 50MHz 357-BGA | NXP

The NXP MPC860DEZQ50D4 is a PowerQUICC MPC8xx family 32-bit integrated communications microprocessor running at 50 MHz core clock, housed in a 357-ball PBGA package. It combines a Power Architecture embedded core with the CPM (Communications Processor Module) that supplies dedicated hardware for HDLC, Ethernet (10/100 Ethernet MAC), PCMCIA, and serial channel controllers. The device integrates a system-level peripheral set including timers, an interrupt controller, memory controllers, and a 32-bit data bus, enabling single-chip designs for networked and telecom equipment. A PowerQUICC device is a member of the communications-processor family that merges a general-purpose RISC microprocessor core with a dedicated communications engine on the same die. In the broader taxonomy it sits at: PowerQUICC -> communications microprocessor -> microprocessor unit (MPU) -> integrated circuit -> semiconductor. This category was developed specifically for embedded networking and telecom control-plane designs where deterministic I/O handling, multi-protocol serial framing, and low BOM cost outweigh raw computational throughput. Key features include a 50 MHz core, integrated 10/100 Ethernet MAC, HDLC/SDLC channel support, PCMCIA interface, a flexible memory controller for DRAM/SRAM/Flash, an interrupt controller with multiple priority levels, and a peripheral set that covers serial, parallel, and timer functions. The device integrates virtually every block required to build an xDSL/Cable modem, router, bridge, or industrial serial controller, eliminating external protocol-bridge chips. Architecturally, the MPC860 uses a 0.32 µm CMOS process with separate instruction and data paths for the embedded Power core, while the CPM offloads DMA-driven serial framing, freeing the core for routing and control-plane code. The chip is delivered in a 357-ball Plastic BGA (PBGA) with 25x25 mm body, providing adequate escape routing for the wide external bus while staying within a manageable PCB footprint. Typical applications include xDSL/cable modem control plane, ISDN router termination, T1/E1 channel banks, industrial serial concentrators, and embedded networking appliances where the integrated Ethernet MAC and HDLC channels remove the need for an external bridge IC. Designers should note the 3.3 V I/O supply requirement, the need to honor all 357 BGA balls including unused supply pins, and the importance of following the reference manual's reset and configuration sequence for proper CPM bring-up. This page consolidates distributor pricing, verified drop-in alternatives, and practical design notes that go beyond the bare manufacturer datasheet to help engineers and procurement teams evaluate this legacy PowerQUICC part.

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MPC860DPVR80D4 - PowerQUICC 80MHz 32-Bit MPU | NXP | 357-PBGA
MPC860DPVR80D4

MPC860DPVR80D4 - PowerQUICC 80MHz 32-Bit MPU | NXP | 357-PBGA

The NXP MPC860DPVR80D4 is a PowerQUICC integrated communications microprocessor (MPC860 family) featuring a 32-bit PowerPC core running at 80 MHz, manufactured on a 0.32 micron process and housed in a 357-ball PBGA package measuring 25 x 25 mm. This dual-purpose part combines a high-performance embedded CPU with a flexible communications processor module (CPM), enabling simultaneous handling of a CPU-driven control plane and a separate CPM-driven data path for networking protocols. An embedded MPU (microprocessor unit) is a CPU integrated with memory and peripherals on a single die, used in industrial controllers, networking equipment, and communications infrastructure where deterministic processing of real-time protocol traffic is required. The MPC860DPVR80D4 sits in the broader taxonomy of PowerPC-based embedded processors -> RISC microprocessors -> integrated communications processors -> networking SoCs, and is one of the foundational devices behind early-2000s telecom and datacom equipment. Key features include the integrated CPM supporting serial interfaces, a memory controller, system integration functions, and on-chip peripherals. The 'DP' suffix denotes the specific configuration within the MPC860 family (revisions and feature mixes differ across DT/DT/DTV/PC/DP variants). The 80 MHz clock speed, 32-bit data path, and 357-ball PBGA footprint make this device oriented toward mid-complexity routers, bridges, and access multiplexers. Technically, the MPC860DPVR80D4 is implemented in a 0.32-micron CMOS process, balancing integration density with low power for a PowerPC-class core. The CPM offloads protocol processing (HDLC, UART, Ethernet) from the core, allowing deterministic throughput on serial lines while the core handles control-plane tasks. Typical applications include telecom access equipment such as DSLAMs, routers, bridges, and ISDN terminal adapters, plus industrial control and embedded networking modules. When designing with this part, note its leaded (Pb-containing) finish per the original MPC860 family datasheet - the 'D4' suffix denotes a leaded ball finish which is not RoHS compliant. New designs should target lead-free equivalents. This page synthesizes distributor pricing, lead-time, and 357-PBGA drop-in alternatives not aggregated in a single place by any single distributor listing, helping engineers evaluate last-time-buy and obsolescence-mitigation options.

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MPC860DPZQ50D4557 - PowerQUICC 50MHz 32-Bit MPU | NXP | 357-PBGA
MPC860DPZQ50D4557

MPC860DPZQ50D4557 - PowerQUICC 50MHz 32-Bit MPU | NXP | 357-PBGA

The NXP MPC860DPZQ50D4557 is a PowerQUICC communications microprocessor built on 32-bit Power Architecture, integrating a 50 MHz core, a dedicated Communications Processor Module (CPM), Ethernet/ATM/HDLC/PCMCIA interfaces, and a 357-ball Plastic BGA (PBGA, 25x25 mm) package. It belongs to the MPC8xx family of embedded microprocessors designed for high-integration communications and networking tasks. A PowerQUICC microprocessor (sometimes referred to as a communications SoC or embedded MPU) is a 32-bit processor that combines a Power Architecture core with on-chip peripheral controllers, reducing system BOM count and power consumption in routers, bridges, and remote-access equipment. Within the broader taxonomy it sits at: microprocessor (MPU) > embedded processor > communications SoC > Power Architecture SoC > semiconductor. MPC8xx parts dominated late-1990s/early-2000s telecom designs and remain in long-lifecycle equipment today. Key features include a single 50 MHz Power Architecture core, an independent CPM supporting Ethernet (10/100), ATM, HDLC/SDLC, and PCMCIA, 4 KB unified instruction/data cache, MMU with 32-entry TLB, and a general-purpose 32-bit data bus. Operating temperature is 0C to +95C (commercial grade). The device supports JTAG boundary-scan and on-chip debug. Memory controller interfaces SDRAM, DRAM, SRAM, EPROM, and Flash, while PCMCIA and CPM peripherals handle external I/O expansion. The CPM offloads low-level protocol processing from the core, freeing the CPU for higher-layer software stacks. Combined with hardware TCP/IP acceleration and multi-channel DMA, this architecture delivers deterministic throughput for WAN/LAN edge devices. The 357-PBGA package provides high pin density and excellent thermal performance for sustained industrial workloads. Typical applications include SOHO routers, DSL/cable modems, ATM switches, industrial Ethernet bridges, and legacy telecom access equipment. It is widely used in long-lifecycle embedded designs where firmware stability and proven Power Architecture toolchains are required over raw clock speed. When designing, verify supply voltage (3.3V core, separate I/O rail), clocking, and JTAG pinout against the NXP hardware specification. Note that lead-time pricing reflects NXP's last-time-buy status; stock from authorized distributors and brokers should be confirmed before BOM commitment.

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MPC860DPZQ66D4 - 66MHz PowerQUICC MPU 357-PBGA | NXP
MPC860DPZQ66D4

MPC860DPZQ66D4 - 66MHz PowerQUICC MPU 357-PBGA | NXP

The NXP MPC860DPZQ66D4 is a 32-bit PowerQUICC microprocessor from the MPC8xx family, integrating a PowerPC core with the Communications Processor Module (CPM) at 66 MHz clock speed in a 357-ball PBGA (25x25 mm) package. The device is specified for 3.3V core operation and combines general-purpose embedded processing with dedicated communications peripherals on a single die. (Answer Capsule) An MPU (Microprocessor Unit) is an integrated circuit that contains the central processing unit of an embedded system. The PowerQUICC architecture integrates a PowerPC integer core with a separate RISC-based Communications Processor Module (CPM) that offloads networking and serial tasks. Within the broader IC hierarchy, the MPC860 belongs to: microprocessor -> MPU -> embedded processor -> PowerPC architecture -> 32-bit RISC -> integrated communications controller. This integration reduces system cost and BOM count in networking and telecom designs compared with a discrete CPU plus external MAC/PHY bridge. Key features of the MPC860DPZQ66D4 include 4 Kbytes of instruction cache and 4 Kbytes of data cache with write-through capability, a multiply/accumulate (MAC) unit, a DRAM controller supporting up to 256 Mbytes of address space, and an integrated CPM supporting Ethernet (10 Mbps), HDLC/SDLC, UART, SCC, and SPI peripherals. The 3.3V I/O and core supply, combined with a 66 MHz bus, deliver sufficient throughput for SOHO routers, ISDN terminal adapters, and industrial serial concentrators of the late-1990s/early-2000s generation. The MPC860 architecture uses a Harvard-style split cache and a dedicated CPM to handle time-critical serial protocols. The CPM offloads DMA-driven serial transfers from the PowerPC core, allowing the CPU to focus on routing, control-plane, and management software. Memory is glue-less DRAM-up to 16/32-bit EDO or page-mode-with on-chip bank-select logic, reducing external chip count. A 32-bit address bus provides 4 Gbyte logical space, of which up to 256 Mbytes is practical DRAM. Typical applications include SOHO routers, ISDN terminal adapters, xDSL modems, industrial serial protocol converters, and embedded telecom controllers. According to the Freescale/NXP PowerQUICC hardware specifications document, the part targets designs where deterministic serial communication must coexist with general-purpose control software on a single chip. When designing with this device, ensure the 3.3V supply rail is clean and decoupled per the hardware specifications. Note that this MPN is flagged 'Not For New Designs' by NXP; new designs should consider PowerQUICC II (MPC82xx) or QorIQ (P-series) families instead, while existing designs can continue to use the MPC860DPZQ66D4 as a long-term supply part. This page synthesizes distributor pricing, drop-in alternatives from the MPC860 family, and practical design notes that are not aggregated in a single place by the manufacturer datasheet alone.

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MPC860DPZQ80D4 - PowerQUICC MPC860 80MHz 32-Bit MPU | NXP
MPC860DPZQ80D4

MPC860DPZQ80D4 - PowerQUICC MPC860 80MHz 32-Bit MPU | NXP

The NXP (formerly Motorola/Freescale) MPC860DPZQ80D4 is a PowerQUICC MPC8xx family 32-bit integrated communications microprocessor (MPU) clocked at 80 MHz, housed in a 357-ball PBGA (25x25 mm) package and supplied from a 3.3 V rail. It integrates a PowerPC core, an embedded 32-bit RISC communications processor module (CPM), and a rich set of networking peripherals on a single die, which is why it earned the "PowerQUICC" brand for telecom/datacom equipment. A PowerQUICC device is a category of system-on-chip that combines a general-purpose processor with hardware communications engines (serial, Ethernet, HDLC, ATM) so that wire-speed protocol handling does not stall application code. Within the broader taxonomy, the MPC860DPZQ80D4 sits inside microprocessor (MPU) -> embedded processor -> communications SoC -> integrated circuit. Its core architecture traces back to the PowerPC 603 line, but the silicon is purpose-built for routers, bridges, and remote-access equipment rather than desktop computing. Key features include a single 80 MHz PowerPC core, dedicated CPM supporting up to four SCCs and two SMCs, 10/100 Mbps Fast Ethernet MAC, HDLC/SDLC/UART/SPI/I2C controllers, integrated memory controller (up to 4 banks of DRAM), 4-channel DMA, timers, and a system integration unit (SIU). The device integrates communications peripherals directly on-die, eliminating an external MAC or protocol-controller ASIC and reducing BOM cost on legacy networking hardware. The MPC860DPZQ80D4 uses a 0.32 um CMOS process with 3.3 V I/O and a 2.2 V core voltage, providing lower power consumption than earlier 5 V PowerQUICC variants. The 357-pin PBGA package supports high-density board layouts while exposing the full peripheral set, and the part is footprint-compatible with other MPC860/MPC855T family members in the same BGA, simplifying board migration. Typical applications include 10/100 Ethernet routers and switches, ISDN terminal adapters, DSLAM line cards, industrial serial bridges, SCADA/remote telemetry gateways, and legacy telecom controller cards. The integrated Fast Ethernet MAC and multi-protocol SCC/SMC channels let a single MPC860 terminate multiple WAN or LAN links without glue logic. Design consideration: confirm thermal budget against the 357-BGA theta_JA on your specific PCB stack-up, validate DRAM timing against the SIU memory-controller parameters, and verify that unused balls on the BGA are properly tied per the NXP hardware specifications document. Power sequencing (3.3 V before 2.2 V) must be respected to prevent latch-up. This page synthesizes verified distributor stock, drop-in PowerQUICC alternatives from web data, and engineering design notes that go beyond the official hardware specifications document, so procurement and design teams can make a side-by-side replacement decision in one place.

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MPC860DTVR50D4 - 50MHz PowerQUICC MPU, 357-PBGA | NXP
MPC860DTVR50D4

MPC860DTVR50D4 - 50MHz PowerQUICC MPU, 357-PBGA | NXP

The NXP MPC860DTVR50D4 is a 32-bit PowerQUICC communications microprocessor from the MPC8xx family, featuring a single PowerPC core running at 50 MHz, integrated in a 357-ball PBGA package (25 x 25 mm). It is targeted at embedded communications and networking controller applications where deterministic performance, on-chip peripheral integration, and low system cost matter more than raw CPU throughput. The device combines a PowerPC integer core with the CPM (Communications Processor Module), which offloads serial communications tasks such as HDLC, Ethernet, UART, and SCC/SMC channels from the main CPU. A microprocessor (MPU) is an integrated circuit that contains the central processing unit, instruction decoding, register files, and cache/memory management logic for a complete computing engine, typically integrated with peripherals onto a single die. Within the broader taxonomy, the MPC860 belongs to the communications-processor class: microprocessors -> embedded microprocessors -> Power Architecture processors -> communications microprocessors (PowerQUICC). PowerQUICC devices historically bridged the gap between simple MCUs and full application processors by combining a general-purpose CPU with a dedicated RISC-based communications engine. Key features of the MPC860DTVR50D4 include a 32-bit PowerPC core at 50 MHz, integrated CPM with multi-channel serial support, 4 DMA channels, system integration unit, memory controller for DRAM/SRAM/ROM, 3.3V I/O supply, and a 357-pin PBGA package. The PowerQUICC architecture supports up to 10/100 Ethernet MACs, Fast HDLC, ATM, and transparent transmission. The integrated peripheral set replaces many external logic chips, reducing BOM cost and PCB complexity in routers, bridges, and telecom line cards. Architecturally, the MPC860 uses a 0.32 um CMOS process with separate instruction and data buses to the on-chip caches, while the CPM runs its own RISC microengine for protocol handling. This dual-engine approach allows line-rate packet processing without overloading the main CPU. The device supports both single- and dual-bus configurations, with a 32-bit external system bus interface for SDRAM, Flash, and peripheral I/O. Typical applications include industrial networking routers, telecom line cards, ISDN terminal adapters, industrial serial bridging, and legacy communication gateways. Design considerations include careful power-supply decoupling, thermal management for the PBGA package, and adherence to NXP layout guidelines for high-speed bus termination. This page synthesizes distributor pricing, drop-in same-package alternatives, and practical design notes that complement the manufacturer datasheet.

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MPC860DTVR66D4 - PowerQUICC MPU 66MHz 357-PBGA | NXP
MPC860DTVR66D4

MPC860DTVR66D4 - PowerQUICC MPU 66MHz 357-PBGA | NXP

The NXP MPC860DTVR66D4 is a PowerQUICC 32-bit Power Architecture microprocessor running at 66 MHz, integrating a PowerPC core with the Communications Processor Module (CPM) and a 357-pin Plastic BGA (PBGA) 25x25 mm package. The device combines a 32-bit RISC CPU core, the CPM for HDLC/ATM/10 Mbps Ethernet, PCMCIA interface logic, DRAM controller, and on-chip peripherals in a single system-on-chip. A PowerQUICC microprocessor belongs to the MPU (microprocessor unit) class of integrated circuits, historically positioned as a communications-centric system-on-chip that merges a PowerPC processor core with dedicated serial-protocol engines. In the system hierarchy, it sits above general-purpose microcontrollers, offering higher deterministic I/O bandwidth for telecom and networking equipment where offloading protocol framing from the CPU is essential. Key features include the integrated CPM with RISC communication engines, dual 10 Mbps Ethernet MACs, ATM and HDLC support, PCMCIA controller, DRAM controller with bus sizing logic, and the standard PowerPC memory management unit. The 66 MHz core clock drives both the CPU and the CPM, while the external bus supports 32-bit data paths at up to 66 MHz. The 3.3 V supply rail and 0 to 95 C operating temperature make it suitable for industrial embedded systems. Typical applications include telecom switching fabric, ISDN terminal adapters, ATM/Frame Relay access devices, industrial routers, and legacy networking equipment. The combination of CPU + CPM is especially valuable where deterministic serial-channel handling must coexist with higher-layer protocol stacks without external ASICs. When designing with this device, note that the 357-PBGA package requires multi-layer PCB design with controlled-impedance routing for the external bus; verified JTAG and BDM debug tools must be used for development. The part is Not For New Designs per distributor listings, so consider migration to MPC860SAR or newer PowerQUICC II/III variants for new projects. This page synthesizes distributor pricing, drop-in alternatives within the MPC860 family, and practical design notes not found in the manufacturer datasheet alone.

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