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MPC860ENCVR50D4 - 50MHz PowerQUICC MPU, 357-BGA | NXP
MPC860ENCVR50D4

MPC860ENCVR50D4 - 50MHz PowerQUICC MPU, 357-BGA | NXP

The NXP MPC860ENCVR50D4 is a 32-bit PowerQUICC microprocessor from the MPC8xx family, integrating a 50 MHz PowerPC core with on-chip communications peripherals and a 357-pin plastic BGA package (25x25 mm). It combines a 32-bit RISC architecture with 0.32 micrometer CMOS process technology, operating from a 3.3V supply rail and supporting the PowerQUICC peripheral set originally tuned for telecom and embedded networking controllers. A PowerQUICC microprocessor is a member of the integrated communications processor family — it is, in system hierarchy, a microprocessor (MPU) that integrates CPU core, system controller, and dedicated communications peripherals (FCC, SCC, SMC, SPI, I2C) on a single die. PowerQUICC MPUs are widely used in networking equipment where deterministic serial-channel handling must coexist with general-purpose control processing; the MPC860 sub-family sits within NXP/Freescale's MPC8xx line, beneath the higher-end MPC8260/MPC8280 and above the simpler MPC850. Key features of the MPC860ENCVR50D4 include a 50 MHz core clock, integrated CPM (Communications Processor Module) supporting multiple HDLC/SCC channels, 357-ball PBGA packaging for high-density board designs, and full PowerPC instruction-set compatibility. The device includes 4 KB instruction cache and 4 KB data cache, dual UART-style serial channels, and parallel I/O ports. The 357-pin BGA provides the high pin count required to expose all of the integrated communications peripherals while keeping board area manageable. The architecture pairs a PowerPC core with the CPM co-processor that offloads serial DMA, HDLC framing, and time-slot management, freeing the core for protocol and routing tasks. This dual-processor internal structure is what differentiates PowerQUICC from general-purpose MPUs and is why legacy telecom, industrial control, and routing platforms standardized on this family. The EN suffix in the part number typically denotes the Ethernet-enabled variant within the MPC860 sub-family, complementing the integrated serial channels with 10 Mbps Ethernet MAC support. Typical applications include WAN/LAN routers, ISDN terminal adapters, ATM edge devices, industrial serial-bridges, and legacy telecommunications line cards. Engineers continue to deploy this part in long-lifecycle industrial platforms where the PowerQUICC ecosystem (toolchain, RTOS support, reference designs) is mature and revalidation cost is high. When designing with this MPU, designers should plan for a multi-rail supply (3.3V core plus I/O), adequate BGA decoupling, and signal-integrity work on the parallel bus. The 357-pin BGA requires X-ray inspection and careful reflow profiling, and most engineers keep the manufacturer's reference schematics as a starting point rather than designing the bus interface from scratch. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in a single datasheet - so procurement and engineering teams can decide between the MPC860ENCVR50D4 and its same-package MPC860 family members in one place.

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MPC860ENVR50D4-FR - 50MHz PowerQUICC MPU 357-BGA | NXP Semiconductors
MPC860ENVR50D4-FR

MPC860ENVR50D4-FR - 50MHz PowerQUICC MPU 357-BGA | NXP Semiconductors

The NXP Semiconductors MPC860ENVR50D4-FR is a 32-bit PowerQUICC microprocessor from the MPC8xx family, integrating a core processor and peripheral logic for embedded communications applications. It operates at 50 MHz core frequency, runs from a 3.3 V supply, and is packaged in a 357-ball PBGA (25 x 25 mm) with lead-free / RoHS-compliant solder balls. The "EN" in the part number denotes the Ethernet-enabled variant, the "VR" suffix indicates the voltage/revision grade, "50" is the 50 MHz clock, "D4" is the revision, and the "-FR" suffix indicates the supplied packaging option. A PowerQUICC (Power QUICC, or "Quad Integrated Communications Controller") is an integrated communications processor that combines a PowerPC core with dedicated peripheral engines for networking and telecom. Within the broader taxonomy, the MPC860 sits in the hierarchy: PowerQUICC -> MPC8xx family -> communications MPU -> embedded microprocessor -> integrated circuit. The part also goes by the synonym MPC860 PowerQUICC and historically by its Motorola Semiconductor part number (the family originated at Motorola before NXP's acquisition of Freescale). Understanding this taxonomy matters when comparing older datasheet revisions to current NXP-published versions. Key features include the PowerPC 603e-derived core with separate 4 KB instruction and 4 KB data caches, an integrated communications processor module (CPM) supporting up to three fast serial communications controllers (FCCs), two MCCs, four SCCs, an SPI, an I2C, and a parallel interface. On-chip peripherals also include a 10/100 Mbps Ethernet MAC, HDLC/SDLC controllers, USB 1.1 (device), 4 DMA channels, and a memory controller with SDRAM, DRAM, and burst flash support. Per the NXP MPC860 hardware specifications document, the part integrates nearly all logic needed for a single-board router, bridge, or HFC modem node. Typical applications include SOHO routers, 10/100 Mbps Ethernet switches with management, ISDN terminal adapters, xDSL modems, set-top box controllers, and industrial serial-to-Ethernet bridges. The integrated CPM offloads serial framing from the core, freeing CPU cycles for routing, filtering, or upper-layer protocol processing. When designing with this device, plan for thermal management of the 357-ball PBGA, provide a clean 3.3 V rail with adequate bulk decoupling, and allocate PCB real estate for the external SDRAM bus. The device is mature and widely documented in legacy NXP/Motorola application notes, making firmware porting straightforward for new designs.

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MPC860ENVR66D4 - 66MHz PowerQUICC MPU, 357-BBGA | NXP
MPC860ENVR66D4

MPC860ENVR66D4 - 66MHz PowerQUICC MPU, 357-BBGA | NXP

The NXP (formerly Freescale) MPC860ENVR66D4 is a 32-bit PowerQUICC microprocessor from the MPC8xx family running at 66 MHz core clock, housed in a 357-ball PBGA (Plastic Ball Grid Array) package measuring 25x25 mm and supplied from a 3.3 V rail. It integrates a PowerPC core with the communications processor module (CPM) originally designed for networking, telecom, and embedded control applications. The part is now in NXP's End-of-Life status and is primarily maintained for legacy repairs and long-life industrial programs. What is an MPU? A microprocessor unit (MPU) is the central processing IC of an embedded system - a CPU core + bus architecture + peripheral controllers integrated into a single silicon die. The MPC8xx family adds a hardware communications processor module (CPM) that offloads DMA-driven serial protocols (HDLC, Ethernet, UART, SCC/SMC channels) from the core, allowing deterministic I/O for telecom equipment. Within the taxonomy, the MPC860 sits at: PowerPC embedded MPU -> MPC8xx family -> PowerQUICC communications processors -> NXP legacy networking silicon. Key features include 4 KB instruction cache, 4 KB data cache, an integrated memory management unit (MMU), dual 10/100 Mbps Ethernet MACs inside the CPM, four SCC channels, two SMC channels, an SPI port, an I2C port, and a general-purpose timer cascade. The device supports up to eight memory chip selects, 32-bit DRAM with page-mode operation, and PCMCIA interface logic for two card slots - a feature set rarely matched by modern MPUs. The architecture combines a single-issue PowerPC integer core with the CPM on-chip peripheral engine. Code executes on the core while DMA-driven frame traffic is handled autonomously by the CPM, freeing the CPU for higher-layer protocol stacks. This dual-engine split is the historical strength of PowerQUICC: deterministic serial throughput without software intervention. Typical applications include legacy Ethernet routers and DSLAM line cards, industrial serial-protocol concentrators, telecom control plane processors, factory-floor PLCs and protocol bridges, and avionics data concentrators. The wide operating temperature range and long-life NXP support made it a common choice in long-deployment industrial and military programs. When designing around an EOL MPU, verify stock life expectancy at franchised distributors and lock the BOM with form-fit-function alternates. The MPC860ENVR66D4 footprint, bus timings, and register map are shared with the broader MPC860 family, easing substitution across speed grades. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

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MPC860ENVR80D4 - 80MHz PowerQUICC MPU, 357-PBGA | NXP
MPC860ENVR80D4

MPC860ENVR80D4 - 80MHz PowerQUICC MPU, 357-PBGA | NXP

The NXP (formerly Freescale) MPC860ENVR80D4 is a PowerQUICC MPC8xx 32-bit microprocessor running at 80 MHz, housed in a 357-ball Plastic BGA (PBGA, 25x25 mm) package. It integrates a PowerPC core with a separate Communications Processor Module (CPM) that offloads serial-channel and networking tasks, allowing the CPU to focus on protocol processing and system control. The device supports an Ethernet 10 Mbps MAC, UART, HDLC/SDLC channels, and a DRAM controller, making it a single-chip solution for legacy telecom, industrial control, and routing equipment. A microprocessor (MPU) is a CPU-centric integrated circuit that executes system-level instruction streams and is paired externally with memory and peripherals. The MPC8xx family belongs to the PowerQUICC line of integrated communications processors, which sits between general-purpose CPUs (e.g., PowerPC, ARM) and dedicated network processors. Variants in the family differ in clock speed, peripheral mix (number of SCCs/SMCs), and temperature grade; designers typically choose among them to balance throughput against power and cost. Key features include a 32-bit PowerPC core, integrated 10 Mbps Ethernet MAC, four SCC (Serial Communication Controller) channels, two SMC (Serial Management Controller) channels, a DRAM controller with FPM/EDO/page-mode support, four 16-bit timers, and a JTAG/debug port. The device operates from a 3.3 V supply and is offered in commercial-grade temperature ranges. The 357-PBGA 25x25 mm package provides dense interconnect for board designs where BGA assembly is already in use. The architecture combines an integer pipeline PowerPC core, separate instruction and data caches, a system interface unit for bus arbitration, and the dedicated CPM that handles DMA-driven serial communications independently of the CPU. The CPM's RISC engine runs dedicated microcode to perform HDLC framing, UART encoding, and Ethernet MAC operations, freeing the host CPU for higher-layer protocol and management tasks. Typical applications include SOHO/branch-office routers, ISDN/DSL modem gateways, legacy industrial control routers, protocol bridges (HDLC/PPP/X.25), telecom line cards, and embedded serial-management controllers. The 80 MHz CPU with the CPM's offload engines is well matched to WAN-edge and protocol-conversion designs. When designing with this device, allocate adequate PCB layers for the 357-ball BGA and provide matched-impedance routing for the Ethernet MII/RMII traces. Decoupling must follow Freescale/NXP recommendations: place 0.1 uF ceramic capacitors at multiple VDD/VCC pins with a bulk 10-47 uF tantalum or polymer capacitor near the package. This page synthesizes distributor stock, lifecycle data, drop-in alternatives, comparison parameters, and practical design notes that are not consolidated in any single manufacturer datasheet.

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MPC860ENZQ50D4R - 50MHz PowerQUICC I MPU, 357-PBGA | NXP
MPC860ENZQ50D4R

MPC860ENZQ50D4R - 50MHz PowerQUICC I MPU, 357-PBGA | NXP

The NXP MPC860ENZQ50D4R is a 32-bit PowerQUICC I microprocessor built on the MPC8xx core, running at 50 MHz and packaged in a 357-ball PBGA (25x25 mm) with a tape-and-reel suffix per the ZQ code. It integrates a PowerPC core with a CPM (Communications Processor Module), 4 KB instruction cache / 4 KB data cache, MMU, and a rich set of on-chip peripherals including SCCs, SMCs, an SPI, an I2C, a parallel interface (port), timers. The part belongs to the PowerQUICC family and is aimed at embedded communications and networking applications. A PowerQUICC microprocessor is a category of integrated communications processor that combines a general-purpose PowerPC CPU and a separate RISC-based communications engine (CPM) on a single die. Within the broader taxonomy it is a microprocessor -> embedded MPU -> communications processor -> networking SoC. PowerQUICC parts dominated telecom equipment in the 1990s and early 2000s as one-chip routers, bridges, and remote-access concentrators. They remain in service today in long-lifecycle industrial and telecom installations where redesign risk outweighs BOM savings. Key features of the MPC860ENZQ50D4R include the embedded 32-bit PowerPC core at 50 MHz, integrated CPM for HDLC/PPP/SCC/UART protocol offload, four 8-bit parallel ports, a 32-bit address/data bus interface to external memory, SDRAM controller, and a small but functional on-chip instruction/data cache. The device supports external bus arbitration for multi-master designs and exposes dedicated timers, a watchdog, and JTAG boundary-scan. Power supply is typically 3.3 V I/O with a core voltage generated internally from the same rail on this mask-set. Architecturally, the MPC860ENZQ50D4R uses a Harvard-style cache, a unified TLB/MMU, and an internal system bus that decouples the core from the CPM, allowing sustained serial DMA without CPU intervention. The 50 MHz rating refers to the CPU clock; the bus clock and CPM clock are derived and typically run at 25 MHz on this speed grade. Power dissipation scales linearly with the active serial channels and memory traffic, so idle/standby current is a more representative number for low-duty-cycle applications. Typical applications include low-end routers, CSU/DSUs, ISDN terminal adapters, industrial serial-to-Ethernet gateways, and remote telemetry units where the CPM offloads HDLC framing from the host CPU. The wide range of on-chip serial channels and the legacy Freescale/NXP toolchain ecosystem make it a frequent choice for sustaining or replicating designs built around the PowerQUICC architecture. When designing with this part, verify the exact voltage rail of your specific MPC860EN mask (the EN suffix on this part indicates the integrated Ethernet SCC variant), and provide proper bus-termination and decoupling per the PowerQUICC hardware specifications manual. Long-term availability must be checked - PowerQUICC I parts are reaching end-of-life per the NXP PCN, so designers should plan second-source or migration strategies up front. This page synthesizes current distributor pricing, drop-in MPC860 family alternatives, and practical design guidance not collected in any single datasheet, helping engineers quickly assess whether the MPC860ENZQ50D4R still fits their long-lifecycle design.

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MPC860ENZQ50D4R2518 - 50MHz PowerQUICC MPU, 357-PBGA | NXP
MPC860ENZQ50D4R2518

MPC860ENZQ50D4R2518 - 50MHz PowerQUICC MPU, 357-PBGA | NXP

The NXP (formerly Freescale / Motorola) MPC860ENZQ50D4R2518 is a 32-bit PowerQUICC microprocessor running at 50 MHz, integrating a PowerPC core with a CPM (Communications Processor Module), and housed in a 357-ball PBGA package at 25x25 mm. It is the 50 MHz, -40C to +85C industrial temperature grade variant of the MPC860 family with the Ethernet feature set enabled and a specific customer code suffix (R2518). Background: The PowerQUICC (MPC8xx) family is a line of integrated communications microprocessors that combine a PowerPC embedded core with one or more independent RISC communications engines (the CPM). They sit in the taxonomy of embedded microprocessors -> microcontrollers -> PowerPC architecture -> PowerQUICC, and they target telecom and networking equipment where on-chip protocol handling offloads the main CPU. Key features: 50 MHz core / CPM clock, 4 KDMA channels, four SCCs (Serial Communication Controllers), two SMCs (Serial Management Controllers), one SPI and one I2C port, integrated 10/100 Ethernet MAC (the EN suffix), and a 32-bit data bus to external memory. The PBGA-357 (25x25 mm, 1.27 mm pitch) package provides the dense I/O needed to expose the external memory bus and the communications peripherals simultaneously. Technical depth: The MPC860ENZQ50D4R2518 separates control-plane processing (PowerPC core) from data-plane communications (CPM) using dual Harvard-architecture engines sharing a common system bus. This makes the device efficient for routing, bridging, and protocol-conversion tasks where deterministic serial handling is required alongside general-purpose code. Typical applications include telecom line cards, industrial routers, ISDN terminal adapters, H.110 bus bridges, and SCADA protocol converters. Designers select the 50 MHz EN grade when Ethernet connectivity and industrial temperature are mandatory and the application can tolerate the thermal envelope of a 25x25 mm PBGA. Design consideration: Route the external memory bus with matched impedance and keep trace lengths matched within the MPC860 datasheet's set-up and hold budgets; decouple each power pin with a 100 nF ceramic placed within 3 mm of the ball, and provide a continuous ground pour under the package for thermal dissipation. This page consolidates distributor pricing, lifecycle status, drop-in package-compatible alternates, and practical design notes that complement the manufacturer datasheet.

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MPC860ENZQ66D4557 - PowerQUICC 32-bit MPU, 66 MHz, 357-BGA | NXP
MPC860ENZQ66D4557

MPC860ENZQ66D4557 - PowerQUICC 32-bit MPU, 66 MHz, 357-BGA | NXP

The NXP (originally Motorola, then Freescale) MPC860ENZQ66D4557 is a 32-bit PowerQUICC integrated communications controller microprocessor built around the PowerPC architecture, delivering a 66 MHz core clock in a 357-ball Plastic BGA package (25 mm x 25 mm). It integrates a 32-bit PowerPC core with a 4-Kbyte unified instruction/data cache, a separate 4-Kbyte data cache, an integer unit, and a system integration unit (SIU) that combines memory controller, PCMCIA interface, and several peripheral blocks on one die. The integrated communications processor module (CPM) with an RISC engine offloads serial protocol handling from the core. A microprocessor (MPU) is a processor-on-a-chip that integrates a CPU core, memory management, and on-chip peripherals; in the embedded-systems hierarchy the MPC860 sits at the MPU -> integrated communications controller -> PowerQUICC -> PowerPC -> 32-bit embedded processor node. The PowerQUICC family is the lineage that later evolved into the PowerQUICC II/III (MPC82xx/MPC83xx) and ultimately QorIQ communications processors, so the MPC860 remains a recognized reference design for legacy telecom and industrial control boards. Key features of the MPC860ENZQ66D4557 include four on-chip serial communication controllers (SCCs) supporting Ethernet, HDLC/SDLC, UART, and transparent modes; two serial management controllers (SMCs); one serial peripheral interface (SPI) and one I2C interface; a programmable interrupt controller; a 32-bit address bus supporting up to 4 Gbyte address space; and 3.3 V I/O with 5 V tolerant inputs (per the PBGA device). The 357-PBGA package provides a robust surface-mount thermal envelope for industrial temperature operation from -40 C to +95 C ambient. Typical applications include industrial routers, ISDN/T1/E1 line cards, ATM switches, Ethernet switches with serial WAN uplinks, point-of-sale terminals, and SCADA controllers. The on-chip CPM dramatically reduces host-CPU load for protocols such as PPP, HDLC, and IEEE 802.3, which is why legacy telecom and factory-floor equipment continue to specify this part. When designing with the MPC860, ensure signal integrity on the 66 MHz external bus; add series termination if the bus length exceeds 50 mm. Power sequencing between the 3.3 V core and 3.3 V I/O rails must follow the SIU section of the datasheet to avoid latch-up. Decoupling must follow the manufacturer's reference board layout to keep the CPM's PLL within specification. This page synthesizes distributor inventory, drop-in alternative candidates in the same 357-PBGA package, and practical design notes compiled from the legacy PowerQUICC user manual - information not presented as a single view on DigiKey or the NXP product page.

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MPC860PCVR50D4 - PowerQUICC 32-Bit MPU, 50MHz, 357-BGA | NXP
MPC860PCVR50D4

MPC860PCVR50D4 - PowerQUICC 32-Bit MPU, 50MHz, 357-BGA | NXP

The NXP (formerly Freescale) MPC860PCVR50D4 is a 32-bit PowerQUICC microprocessor from the MPC8xx family, integrating a PowerPC core with on-chip communications peripherals in a 357-ball PBGA package (25x25 mm). It operates at 50 MHz with a 3.3 V supply and delivers integrated communications controller functionality. A PowerQUICC (pronounced "power-quick") is an integrated communications microprocessor that combines a PowerPC processor core with system integration units (SIU), a memory controller, and communications-specific peripherals such as serial channels, a Fast Ethernet MAC, and a CPM (Communications Processor Module). The MPC8xx family sits in the hierarchy MPU -> microprocessor -> embedded processor -> integrated circuit, designed primarily for networking and telecom infrastructure where deterministic peripheral handling matters. Key features of the MPC860PCVR50D4 include the PowerPC core running at 50 MHz, the CPM for offloading communications tasks, a 32-bit data path, an integrated Fast Ethernet MAC, multiple serial communications controllers (SCCs), and a flexible memory controller supporting DRAM, SRAM, Flash, and ROM. The device is built on a 0.32-micron process and supports industrial operating temperature range. Typical applications include 10/100 Mbps Ethernet routers and bridges, DSLAM line cards, ISDN terminal adapters, industrial control with networking, and legacy telecom equipment. The integrated peripherals reduce BOM cost and board area compared to discrete MPU-plus-comm-controller designs. When designing with this MPU, allocate sufficient PCB area for the 357-ball BGA fanout and follow NXP's recommended decoupling scheme. Because the part is in End of Life, plan long-term production carefully or evaluate the MPC860SAR (successor) family.

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MPC860PCVR66D4 - 66MHz PowerQUICC MPU, 357-PBGA | NXP
MPC860PCVR66D4

MPC860PCVR66D4 - 66MHz PowerQUICC MPU, 357-PBGA | NXP

The NXP MPC860PCVR66D4 is a 32-bit PowerQUICC microprocessor IC from the MPC8xx family operating at 66MHz, packaged in a 357-ball plastic BGA (25x25 mm). It integrates a PowerPC core with a communications processor module (CPM), targeting telecom, networking, and embedded controller applications where deterministic communication and peripheral integration reduce system BOM. A PowerQUICC (MPC8xx) is a member of the power-management IC hierarchy: microprocessor -> 32-bit embedded MPU -> communications controller -> PowerQUICC. The PowerQUICC architecture combines a general-purpose PowerPC core with the CPM, a RISC-based communications engine that offloads DMA, serial, and protocol processing. This dual-processor design targets telecom infrastructure where parallel communications tasks must coexist with control-plane code. Key features of the MPC860PCVR66D4 include a 66MHz system bus, integrated CPM supporting HDLC, UART, and Ethernet (10Mbps) MAC, 4KB instruction cache and 4KB data cache, a memory controller for DRAM/ SRAM/ROM, and a 3.3V nominal supply. The 357-PBGA package supports surface-mount assembly on standard 1.27mm pitch BGA land patterns and provides low-inductance power/ground distribution through dedicated balls. Operating temperature spans -40C to +95C industrial grade. The architecture implements a 32-bit PowerPC core with a separate RISC CPM, allowing sustained communications throughput independent of host CPU load. Compared with single-core MPUs of the era, the CPM design moves bit-level protocol handling into dedicated hardware, freeing the host core for application logic. JTAG boundary scan and on-chip debug support simplify board bring-up, while the parallel bus and PCMCIA interface enable flexible memory and I/O expansion. Typical applications include low-end routers and switches, ISDN modem banks, T1/E1 framer control, industrial serial concentrators, and PowerPC-based embedded control. Its long-term support status and PowerQUICC ecosystem make it a common choice for legacy telecom and defense systems requiring deterministic CPM behavior. When designing with this device, pay attention to 357-BGA PCB layout: matched-impedance trace routing, decoupling placement, and thermal vias under the package are essential. Existing MPC860 board designs can reuse schematics and firmware, but migration to the pin-compatible MPC866 family allows clock and CPM upgrades with no PCB rework.

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MPC860PCZQ50D4 - PowerQUICC MPC860 50MHz MPU | 357-PBGA | NXP
MPC860PCZQ50D4

MPC860PCZQ50D4 - PowerQUICC MPC860 50MHz MPU | 357-PBGA | NXP

The NXP MPC860PCZQ50D4 is a PowerQUICC MPC8xx microprocessor in a 357-ball PBGA (25x25 mm) package, integrating a 32-bit 50 MHz PowerPC core with a CPM (Communications Processor Module), peripheral controllers, and memory management on a single die. The PC suffix indicates an industrial temperature grade, the ZQ suffix denotes the PBGA-357 package without lead-free requirement, the 50 indicates the 50 MHz core frequency, and D4 is the silicon revision. Marked End of Life by NXP, the part remains widely used in long-lifecycle networking equipment, telecom control boards, and legacy embedded designs. What is a PowerQUICC processor? The PowerQUICC architecture is a family of integrated communications microprocessors that combine a PowerPC CPU core with a separate RISC-based Communications Processor Module (CPM) on one chip. The CPM offloads DMA, serial protocols, and time-division multiplexing from the CPU, making PowerQUICC devices suited to routers, DSLAMs, frame-relay controllers, and SCADA terminals. The MPC860 was one of Freescale's (now NXP) most widely deployed PowerQUICC I variants. Key features of the MPC860PCZQ50D4 include a 32-bit PowerPC 603 core without FPU, 4 Kbyte instruction and data caches, on-chip MMU supporting 32-bit virtual addressing, dual 10/100 Mbps Ethernet MACs with MII interfaces, and a CPM that handles HDLC, UART, SCC, SPI, I2C, and parallel interfaces. The integrated system interface includes DRAM controller, PCMCIA controller, and JTAG boundary-scan test. Operating power is 3.3 V for I/O and 1.8 V or 2.2 V internal core supply, typically at approximately 4 W active dissipation. Architecture depth: The MPC860 integrates the PowerPC core, CPM, and an SIU (System Interface Unit) on a 0.32 micron CMOS process. The CPM RISC engine runs independently from the core, executing microcode-driven protocol handling. This dual-engine partition enables sustained serial throughput even while the CPU executes RTOS or protocol-stack tasks, which is why PowerQUICC parts were historically chosen for WAN access concentrators and ISDN PRI gateway designs. Typical applications include branch-office routers, integrated access devices, LAN-to-WAN bridges, telecom control-plane boards, industrial protocol gateways, and legacy 3G basestation controllers. Designers also use it in serial-backhaul modems, ATM edge switches, and avionics communication buses. Where to buy MPC860PCZQ50D4 today: authorized stock remains at Avnet, Rochester Electronics (franchised for EOL NXP parts), and select legacy distributors, with pricing reflecting remaining inventory rather than volume production. Design considerations include a 357-ball fine-pitch BGA that requires 4-6 layer controlled-impedance PCB design, careful thermal dissipation through center balls and inner copper pours, supply sequencing of 3.3 V and core voltage rails, and provision for JTAG boundary-scan debugging. Replacement part option from the same family (pin-compatible) is the MPC860TCVR50D4 and MPC860ENCVR50D4 noted in our alternatives, depending on cache and peripheral mix. This page synthesizes current distributor pricing, drop-in same-family PowerQUICC alternatives, and practical design notes for legacy system maintenance, content not duplicated on DigiKey or Mouser product pages.

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MPC860PVR66D4 - 66MHz PowerQUICC MPU 357-BGA | NXP
MPC860PVR66D4

MPC860PVR66D4 - 66MHz PowerQUICC MPU 357-BGA | NXP

The NXP MPC860PVR66D4 is a 32-bit PowerQUICC microprocessor from the MPC8xx family, integrating a Power Architecture core with a 66 MHz system clock into a 357-pin PBGA (25x25 mm) package. This monolithic system-on-chip combines a high-performance CPU, a RISC communications processor module (CPM), and rich on-chip peripherals to serve as a single-chip controller in telecom, networking, and embedded data-comms equipment. A microprocessor (MPU) is a system-on-chip that combines a central processing unit, memory controllers, and peripheral interfaces on a single die to execute complex control and data-plane workloads. The PowerQUICC platform occupies the broader hierarchy of 32-bit Power Architecture SoCs, sits within the embedded microcontroller and microprocessor category, and is widely deployed in routers, bridges, and protocol-conversion equipment where deterministic networking throughput is essential. Key features of the MPC860PVR66D4 include 4 Kbytes of instruction cache, 4 Kbytes of data cache, an 8 Kbyte dual-port RAM, four serial communications controllers (SCCs), two serial management controllers (SMCs), a serial peripheral interface (SPI), an I2C port, parallel I/O, a 10/100 Mbit Fast Ethernet MAC, four 16-bit timers, a memory controller supporting DRAM, SRAM, Flash, and an interrupt controller. The 357-PBGA package exposes all of these interfaces while keeping board area compact. Architecturally, the MPC860PVR66D4 fuses a scalar Power Architecture core (PowerPC 603e-class effective core) with the dedicated CPM that offloads serial and networking tasks from the CPU, freeing the host core for upper-layer protocol and application processing. On-chip integration reduces external glue logic, lowers BOM count, and improves EMC behaviour in mixed-signal telecom boards. Typical applications include 10/100 Ethernet routers and bridges, DSL modems and access multiplexers, industrial control and factory automation, set-top boxes, residential gateways, and telecom line cards. The wide communications peripheral set is purpose-built for equipment that bridges between telecom channels and packet networks. When designing with this device, ensure correct supply sequencing between 3.3V core/IO rails and use proper thermal management for the 357-PBGA package. Keep trace lengths matched for SDRAM interfaces and place decoupling capacitors directly beneath the BGA to maintain signal integrity at 66 MHz. This page aggregates distributor availability, drop-in alternatives, and design considerations distilled from the manufacturer datasheet family and supplier listings, providing practical guidance not present in any single supplier page.

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MPC860PZQ66D4 - 66MHz PowerQUICC MPU, 357-BGA | NXP
MPC860PZQ66D4

MPC860PZQ66D4 - 66MHz PowerQUICC MPU, 357-BGA | NXP

The NXP MPC860PZQ66D4 is a 32-bit PowerQUICC microprocessor from the MPC8xx family, integrating a PowerPC core with a communications processor module (CPM) for networking and telecom applications. It runs at 66 MHz, operates from a 3.3 V supply, and is housed in a 357-ball plastic BGA (PBGA, 25x25 mm) package. The 'P' designator identifies the full-featured PowerQUICC configuration with both Ethernet and HDLC/serial support, while 'ZQ' denotes the 357-PBGA package and '66' the 66 MHz CPU clock. The trailing 'D4' indicates the silicon revision and operating temperature grade. Background Knowledge: A microprocessor (MPU) is an integrated circuit that contains the central processing unit of a computer system, executing instructions fetched from external memory. The PowerQUICC architecture merges a general-purpose PowerPC processor core with dedicated on-chip peripherals (communications processor module, memory controller, timers, serial interfaces) so a single chip can manage both control-plane software and real-time data-plane I/O. This hypernym hierarchy runs: MPU -> embedded processor -> communications processor -> system-on-chip. The MPC8xx family is the legacy predecessor to today's QorIQ and Layerscape product lines, but remains specified for long-lifecycle industrial and telecom designs. Key features include a 32-bit PowerPC core, integrated CPM with multiple SCCs (serial communication controllers), Ethernet MAC, HDLC support, four 16-bit timers, a DRAM controller, and an interrupt controller. The 357-PBGA package provides high pin density for the rich peripheral set and is rated for industrial temperature operation. The 'D4' silicon revision brings refined power management relative to earlier revs. The architecture combines a RISC-style PowerPC integer unit with a dedicated CPM that offloads communications DMA, enabling wire-speed serial handling without burdening the core. The 3.3 V I/O and internal logic simplify mixed-voltage designs in legacy 3.3 V systems, though level shifters are required for 5 V peripherals. Typical applications include telecom line cards, ISDN routers, xDSL modems, industrial Ethernet switches, and embedded control systems requiring integrated serial-channel management. The combined core-plus-CPM topology makes the MPC860PZQ66D4 well suited to designs where deterministic serial throughput and CPU-driven control share the same silicon. When designing with this part, allocate the BGA's thermal pad with multiple inner-plane vias and use a four-layer PCB with a solid ground pour to dissipate the ~2 W typical dissipation. Verify boot-mode configuration resistor strapping against the datasheet before layout finalization, and ensure the 60x bus interface timing budget is met under worst-case loading. Note that this part is in End-of-Life status; design new production with an active QorIQ successor in mind. This page synthesizes current distributor inventory, lifecycle status, and same-package PowerQUICC alternates not found in a single manufacturer document.

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MPC860PZQ66D4-FR - 66MHz PowerQUICC MPU, 357-PBGA | NXP
MPC860PZQ66D4-FR

MPC860PZQ66D4-FR - 66MHz PowerQUICC MPU, 357-PBGA | NXP

The NXP MPC860PZQ66D4-FR is a PowerQUICC MPC8xx family 32-bit microprocessor running at 66 MHz, integrating a PowerPC core with a communications processor module (CPM) for high-performance networking and telecom controller applications. Housed in a 357-ball PBGA (25x25 mm) package and supplied from a 3.3 V rail, the device combines a RISC CPU, dual UART, SCC/SMC serial channels, I2C, SPI, and a 10/100 Ethernet MAC into a single chip. The part ships in tray packaging with lead-free ("FR") solder finish. A PowerQUICC (pronounced "power-quick") is a family of integrated communications processors that fuses a PowerPC integer unit with a specialized RISC-based Communications Processor Module. This dual-engine architecture lets the CPM handle low-level serial framing, DMA, and protocol termination while the CPU runs the application and control plane. PowerQUICC devices belong to the broader category of embedded microprocessors (MPU), sitting above general microcontrollers (MCU) in integration level because they include dedicated communications peripherals, memory controllers, and external bus interfaces rather than relying solely on internal flash. Key features of the MPC860PZQ66D4-FR include a 32-bit PowerPC core with separate instruction and data caches, four baud-rate generators, a 10/100 Mbps Fast Ethernet controller, support for up to eight SCC (Serial Communications Controller) channels, four SMC (Serial Management Controller) channels, an I2C controller, an SPI interface, a PCMCIA interface, and a 32-bit external bus interface. The CPM off-loads DMA and protocol handling from the CPU, freeing the core for routing, control, and management tasks. Architecture depth: the MPC860 uses a 0.32 micron CMOS process and integrates an integer PowerPC unit with an embedded RISC controller inside the CPM. This dual-core topology delivers deterministic serial performance while keeping CPU load low - critical for router, bridge, and DSLAM designs where throughput and latency matter more than raw clock speed. The part supports both single- and multi-PHY Ethernet configurations through its Media Independent Interface. Typical applications include ISDN router and remote access server designs, DSLAM line cards, Ethernet-to-Serial bridge gateways, industrial protocol converters, and legacy telecom equipment. The wide CPM peripheral set also suits SCADA concentrators, factory-floor protocol routers, and PBX interface cards. Designers usually pair the MPU with external SDRAM, Flash, and PHY devices. When designing with this part, pay close attention to power sequencing: 3.3 V I/O must come up before or simultaneous with the 2.5 V core voltage, and the HRESET must remain asserted until both rails stabilize. PCB layout requires a minimum of 4 PCB layers with continuous ground and power planes directly under the PBGA to keep impedance-controlled traces for the address/data bus clean. This page synthesizes distributor pricing, drop-in alternatives within the MPC860 family, and practical design considerations not found in the manufacturer datasheet.

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MPC860PZQ80D4 - 80MHz PowerQUICC MPU | NXP | BGA-357
MPC860PZQ80D4

MPC860PZQ80D4 - 80MHz PowerQUICC MPU | NXP | BGA-357

The NXP (formerly Freescale) MPC860PZQ80D4 is a PowerQUICC communications microprocessor featuring a 32-bit MPC8xx core running at 80 MHz, housed in a 357-ball PBGA package (25 x 25 mm). It integrates a PowerPC embedded core with a system integration unit, communications processor module (CPM), and a full peripheral set including Ethernet, serial, and PCMCIA controllers. A PowerQUICC microprocessor (often abbreviated MPU or comms processor) is a specialized integrated processor that combines a general-purpose embedded CPU with a dedicated communications engine on a single die. Within the broader taxonomy it is a microprocessor -> embedded processor -> integrated communications controller -> PowerQUICC family -> MPC8xx sub-family. The CPM offloads serial, ATM, and Ethernet processing from the main core, freeing CPU cycles for protocol stacks such as TCP/IP, HDLC, and PPP, which made the PowerQUICC architecture a workhorse for routers, switches, and telecom equipment in the late 1990s and 2000s. Key differentiating specifications include the 80 MHz core clock, the integrated 10/100 Mbps Ethernet MAC (Fast Ethernet), dual serial communications controllers (SCCs) plus four serial management controllers (SMCs), a PCMCIA host adapter, and the 357-ball PBGA package. The device operates from a 3.3 V supply with a typical internal core voltage of approximately 2.2 V generated by an on-chip regulator. An external bus can address up to 8 MB of memory-mapped space per memory controller, and the part supports 8-, 16-, and 32-bit ROM/Flash/SRAM peripherals. Architecturally the MPC860PZQ80D4 uses a 0.32 micrometer CMOS process and pairs the embedded PowerPC core with the CPM (Communications Processor Module). The CPM contains its own microsequencer, dedicated serial channels, and time-division multiplexing support, achieving wire-speed handling of multiple serial protocols without CPU intervention. The 357 PBGA provides ample thermal headroom and signal integrity for industrial temperature (-40C to +95C) operation. Typical applications for the MPC860PZQ80D4 include enterprise and industrial routers, remote-access concentrators, ISDN modem banks, telecom control planes, and legacy networking line cards where the integrated CPM replaces external ASICs. It is also used in industrial serial-protocol gateways and in long-lifecycle defense and aerospace programs that require a stable, mature embedded communications controller. When designing with this part, verify supply availability early: NXP has formally classified this product family as End of Life and offers recommended replacement guidance on the NXP product page. Original PBGA layout, BIOS/firmware, and JTAG tooling should be retained for any board that may need to be re-qualified with a successor device.

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MPC860PZQ80D4557 - 32-Bit PowerQUICC SoC 80MHz | NXP Semiconductors
MPC860PZQ80D4557

MPC860PZQ80D4557 - 32-Bit PowerQUICC SoC 80MHz | NXP Semiconductors

The NXP Semiconductors MPC860PZQ80D4557 is a 32-bit PowerQUICC integrated communications controller (Power Architecture SoC) running at 80 MHz, combining an embedded PowerPC core with a Communications Processor Module (CPM) and integrated Ethernet, ATM, HDLC and PCMCIA controllers, housed in a 357-pin PBGA (25x25 mm) package. It is the PowerQUICC I family member targeted at communications and networking controller designs. 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.

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MPC860PZQ80D4R2518 - PowerQUICC 80MHz SoC | NXP | 357-PBGA
MPC860PZQ80D4R2518

MPC860PZQ80D4R2518 - PowerQUICC 80MHz SoC | NXP | 357-PBGA

The NXP Semiconductors MPC860PZQ80D4R2518 is a PowerQUICC-integrated communications controller that combines a 32-bit Power Architecture core running at 80MHz with dedicated communications peripheral modules (CPM), 10/100 Ethernet MAC, ATM support, HDLC controllers, and PCMCIA interface logic, all integrated into a single 357-pin PBGA package measuring 25x25mm. The device belongs to the MPC860 family, the original PowerQUICC platform designed for embedded networking and telecom control applications, and operates over a 0C to 95C commercial temperature range. A PowerQUICC (Power Architecture Quad Integrated Communications Controller) is a class of system-on-chip (SoC) devices that merges a high-performance Power Architecture processor with on-chip communications peripherals. Within the broader product hierarchy, PowerQUICC sits between general-purpose microcontrollers and dedicated network processors: it is more integrated than a discrete MCU-plus-Ethernet-MAC design yet more flexible than a fixed-function ASIC, making it a canonical building block for routers, bridges, and telecom line cards from the late 1990s and early 2000s. Key features of the MPC860PZQ80D4R2518 include a single 32-bit PowerPC core, hardware multiply/divide, 4-channel DMA controller, integrated 10/100 Mbps Ethernet MAC with MII, two serial communications controllers (SCCs), two serial management controllers (SMCs), one serial peripheral interface (SPI), one I2C interface, HDLC/SDLC support on all SCCs, ATM SAR capability via the CPM, PCMCIA host adapter, memory controller supporting DRAM, SRAM, Flash, and EDO DRAM, a system integration unit with chip selects and timers, and a JTAG boundary-scan test interface. Technically, the device achieves its 80MHz core clock from an external oscillator multiplied by an on-chip PLL, and integrates 4KB of instruction cache and data cache, plus a separate CPM RISC engine for protocol acceleration. The CPM offloads protocol processing from the main core, enabling simultaneous Ethernet, HDLC, and ATM traffic without CPU saturation. The 357-pin PBGA package exposes a full 32-bit external address/data bus plus dedicated communications and memory controller pins. Typical applications include ISDN router control planes, xDSL modem CPE platforms, T1/E1 multiplexer control, industrial serial-to-Ethernet gateways, factory-floor protocol converters, and legacy telecom line-card management. The integrated CPM and Ethernet make the MPC860PZQ80D4R2518 well-suited for designs where a single IC must handle both packet processing and supervisory control. When designing with this part, allocate generous PCB area around the 357-pin PBGA for fanout, place a 4-layer minimum stackup with dedicated power and ground planes, and follow NXP AN-2120 layout guidance for PowerQUICC BGA thermal management. The device requires a 3.3V core supply plus 5V I/O and a low-jitter system clock for Ethernet PHY synchronization.

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MPC860SRCVR66D4 - 66MHz PowerQUICC MPU, 357-PBGA | NXP
MPC860SRCVR66D4

MPC860SRCVR66D4 - 66MHz PowerQUICC MPU, 357-PBGA | NXP

The NXP MPC860SRCVR66D4 is a 32-bit PowerQUICC microprocessor from the MPC8xx family, integrating a PowerPC core with a communications processor module (CPM) optimized for networking and telecom control-plane applications. It operates at a 66 MHz core clock and is housed in a 357-pin PBGA (25x25 mm) package with a 3.3 V supply rail. A microprocessor (MPU) is a single-chip CPU that fetches, decodes, and executes instructions from external memory, serving as the central processing unit of an embedded system. The MPC8xx family is a 32-bit RISC microprocessor family integrating on-chip peripherals (SCC, FCC, SMC, SPI, I2C, timers) and a CPM, placing it within the broader hierarchy: microprocessor -> embedded processor -> communications controller -> power management controller -> semiconductor. This high level of integration is what made the PowerQUICC platform the de-facto controller for routers, DSLAMs, and base stations in the late 1990s and early 2000s. Key specifications include a 66 MHz CPU clock, 3.3 V I/O and core voltage, on-chip CPM with multiple serial channels, a 32-bit PowerPC core with MMU and unified caches, and a 357-ball plastic BGA package in a 25x25 mm footprint. The device integrates Ethernet (10/100), HDLC/SDLC, transparent and synchronous UART, and ATM support through the CPM, eliminating the need for an external protocol-handling ASIC. Technically, the MPC860SRCVR66D4 separates processing between the PowerPC core and the CPM, which handles DMA-driven peripheral traffic autonomously; the core is interrupted only when protocol-level frames are reassembled. The 0.32 um CMOS process delivers the low power dissipation that embedded telecom designs required at the time, and the 32-bit PowerPC ISA delivers predictable performance for RTOS workloads such as VxWorks, pSOS, and Linux derivatives. Typical applications include enterprise routers and access multiplexers, ISDN/DSL modem banks, telecom switching control boards, industrial serial-to-Ethernet gateways, and legacy SCADA controllers. Designers chose the MPC860SRCVR66D4 for its combination of deterministic CPM behaviour, mature toolchain support, and long-life revision control in industrial programs. Design considerations include careful BGA fan-out on a multi-layer PCB, decoupling on all VDD/VSS pairs, JTAG boundary-scan support for production test, and operating temperature choice tied to system airflow. For new designs consider the MPC8309 or LS1021 - the MPC860SRCVR66D4 is now in NRND / End-of-Life and should be qualified against the PCN before long-term production. This page consolidates distributor pricing, drop-in alternatives, and engineering design notes that complement the manufacturer datasheet, enabling sourcing and second-source qualification beyond the OEM document alone.

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MPC860SRCZQ5 - 50MHz PowerQUICC MPU 357-PBGA | NXP/Freescale
MPC860SRCZQ5

MPC860SRCZQ5 - 50MHz PowerQUICC MPU 357-PBGA | NXP/Freescale

The Freescale Semiconductor (NXP) MPC860SRCZQ5 is a PowerQUICC microprocessor in the MPC8xx family with a single 32-bit core running at 50 MHz, housed in a 357-ball PBGA package (25x25 mm). It integrates a PowerPC core with a communications processor module (CPM) supporting multiple serial protocols, making it a classic system-on-chip for embedded networking equipment. What is a PowerQUICC microprocessor? PowerQUICC is a family of integrated communications microprocessors originally developed by Motorola/Freescale (now NXP Semiconductors) that combines a PowerPC processor core with a separate Communications Processor Module (CPM). The CPM offloads serial protocol handling (Ethernet, HDLC, UART, SPI, I2C) from the main CPU, enabling deterministic real-time I/O performance. Within the broader taxonomy, the MPC860 sits at the intersection of microprocessor -> embedded MPU -> communications MPU -> industrial networking SoC. Key features of the MPC860SRCZQ5 include a 50 MHz core frequency, 32-bit PowerPC architecture, 4 KB instruction cache / 4 KB data cache, integrated CPM with two SCCs, two SMCs, one SPI, one I2C, and a 10/100 Ethernet MAC option via the Fast Ethernet Controller (FEC) on some derivatives. The 357-PBGA (25x25 mm) package provides extensive I/O for embedded backplane and telecom hardware designs. The MPC860 architecture separates the core (general-purpose integer and load/store engine) from the CPM (RISC-based DMA-driven protocol engine), allowing telecom and industrial designs to run protocol stacks without taxing the host CPU. This dual-processor approach was pioneering in the late 1990s and remains in service in legacy DSLAMs, industrial routers, and avionics controllers. Typical applications include ISDN terminal adapters, DSL access multiplexers, T1/E1 multiplexers, industrial Ethernet bridges, serial-to-Ethernet gateways, and legacy telecom switching equipment. The wide operating temperature range and rugged PBGA package suit harsh industrial environments. When designing with the MPC860SRCZQ5, ensure proper thermal management via thermal vias under the die-side pad, follow NXP's MPC860 hardware specifications for bus arbitration timing, and use the integrated CPM descriptor rings for zero-CPU-overhead DMA. Mind the 3.3V I/O and 2.5V/3.3V core power sequencing requirements. This page synthesizes distributor pricing from DigiKey/Octopart, drop-in same-package alternatives within the MPC8xx family, and practical design notes not found in the manufacturer datasheet - giving procurement engineers and embedded designers a single source for sourcing and substitution decisions.

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MPC860SRCZQ50D4 - PowerQUICC 50MHz MPU, 357-PBGA | NXP
MPC860SRCZQ50D4

MPC860SRCZQ50D4 - PowerQUICC 50MHz MPU, 357-PBGA | NXP

The NXP MPC860SRCZQ50D4 is a PowerQUICC integrated communications microprocessor based on the MPC8xx family, featuring a 32-bit core running at 50 MHz, housed in a 357-ball PBGA (25x25 mm) package. It is built on a 0.32 µm process and integrates a PowerPC core with on-chip communications peripherals, targeting networking, telecom, and embedded control applications. A PowerQUICC (PowerPC QUICC) processor is a family of integrated communications microprocessors originally developed by Freescale (formerly Motorola Semiconductor) and now part of NXP Semiconductors. It combines a PowerPC embedded processor core with the QUICC engine, a dedicated RISC-based communications processor module. The architecture sits in the broader hierarchy of microprocessor (MPU) -> embedded MPU -> integrated communications processor -> system-on-chip class device, designed to handle multiple serial channels and networking stacks without burdening the main CPU. Key features of the MPC860SRCZQ50D4 include a 32-bit single-issue core, on-chip 4KB instruction cache and 4KB data cache, integrated CPM (Communications Processor Module) supporting multiple SCCs and SMCs, and 3.3V I/O supply with 5V-tolerant inputs. The wide 32-bit external bus, integrated memory controller (UPM/GLBIO), and integrated peripheral set reduce system BOM cost for routers, bridges, and ISDN terminal adapters. The 357-PBGA (25x25 mm) package provides high pin density while supporting commercial and industrial temperature grades within the MPC860 family. Architecturally, the device pairs the PowerPC core with the CPM via an internal bus, allowing offloading of serial protocol processing. This dual-processor partitioning is what gave PowerQUICC its longevity in networking gear; the CPM handles HDLC, UART, transparent, and bisync framing, leaving the core free for routing and control-plane software. Typical applications include ISDN terminal adapters, xDSL modems, low-end routers, industrial control with serial aggregation, and legacy telecom equipment. The wide integration makes it attractive for compact designs requiring multiple serial ports without external UARTs. When designing with the MPC860SRCZQ50D4, verify that your firmware uses the correct CPM microcode revision, and confirm DDR/SDRAM timing closure with the integrated memory controller. Note that this part is in NXP's discontinuance program, so long-life industrial designs should qualify replacements or stockpile now. This page synthesizes distributor availability, drop-in alternatives, and design notes not found in the manufacturer datasheet alone, helping engineers rapidly assess whether the MPC860SRCZQ50D4 fits legacy designs or whether a modern replacement should be evaluated.

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MPC860SRVR50D4R2 - PowerQUICC MPC8xx 50MHz MPU, 357-BGA | NXP
MPC860SRVR50D4R2

MPC860SRVR50D4R2 - PowerQUICC MPC8xx 50MHz MPU, 357-BGA | NXP

The NXP MPC860SRVR50D4R2 is a PowerQUICC MPC8xx 32-bit Power Architecture microprocessor IC clocked at 50 MHz, integrating a CPU core, communications processor module (CPM), and system integration peripherals in a single 357-pin plastic BGA (25x25 mm) package. This device is designed for embedded communications and networking controller applications, delivering higher performance and lower power consumption than traditional microcontroller architectures. The part supports 3.3V operation and is specified for the 0 to 95C commercial temperature range, supplied on Tape & Reel packaging. A microprocessor (MPU) is an integrated circuit that contains the arithmetic logic unit, control unit, and registers required to execute software instructions. In the embedded hierarchy, the MPC8xx family sits between general-purpose microcontrollers and high-end application processors, optimized for deterministic real-time control with integrated peripheral bridges. Power Architecture (formerly PowerPC) is the underlying instruction set, providing a 32-bit RISC execution pipeline well suited to protocol processing. PowerQUICC is NXP's brand name for MPC8xx-family parts that combine a PowerPC core with a separate RISC-based Communications Processor Module for offloading serial protocol handling. Key features of the MPC860SRVR50D4R2 include an integrated CPM supporting HDLC, Ethernet, UART, and other serial protocols, dual 10/100 Mbps Ethernet interfaces via the Fast Ethernet Controller, and on-chip peripheral subsystems such as timers, interrupt controllers, and memory control for DRAM and SRAM. The part provides 4-channel DMA, I2C, SPI, and parallel I/O, alongside a PCMCIA/PC Card controller. These features reduce external component count and BOM cost in routing, switching, and telecom equipment designs. Typical applications include WAN routers and remote access concentrators, ISDN terminal adapters, ATM switches, T1/E1 framers, industrial control with serial networking, and set-top box controllers. The CPM offloads HDLC framing and serial bit processing from the CPU, freeing the core for higher-layer protocol stacks. When designing with this part, note the 357-ball BGA requires X-ray inspection and controlled reflow profiles. Use the recommended boot configuration word settings from the reference manual. Ensure proper decoupling on all power pins per the hardware specifications section of the MPC860 family datasheet, and verify DDR/SDRAM interface timing with the supplied IBIS models before PCB fabrication.

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MPC860SRVR66D4 - 66MHz PowerQUICC MPU, 357-BGA | NXP
MPC860SRVR66D4

MPC860SRVR66D4 - 66MHz PowerQUICC MPU, 357-BGA | NXP

The NXP MPC860SRVR66D4 is a 32-bit PowerQUICC microprocessor from the MPC8xx family, integrating a PowerPC core with a communications processor module (CPM) and running at 66 MHz. Housed in a 357-ball plastic BGA (PBGA, 25 mm x 25 mm), this MPU targets embedded telecom, industrial control, and networking applications where deterministic I/O and on-chip peripheral integration reduce system BOM. Operating voltage is 3.3 V with 5 V tolerant I/O on selected interfaces per the NXP MPC860 family datasheet. An MPU (Microprocessor Unit) in the PowerQUICC family combines a general-purpose processor core with dedicated communication peripherals on a single die, eliminating the need for a companion ASIC or coprocessor. The MPC8xx sits in the broader taxonomy as a 32-bit embedded microprocessor -> embedded MPU -> PowerPC architecture -> communication-centric SoC. By co-integrating fast communication controllers (FCC, SCC, SMC, SPI, I2C), the MPC860 enables designs such as ISDN modems, routers, and protocol converters at lower system cost than discrete-ASIC solutions. Key features include 4 Kbytes of instruction cache, 4 Kbytes of data cache, a multiply-accumulate (MAC) unit for DSP-like operations, a memory management unit (MMU), and a system integration module (SIU). The CPM provides independent RISC-driven serial channels, supporting HDLC, transparent, and UART modes. An IEEE 1149.1 JTAG interface and on-chip debug port simplify boundary-scan test and in-system software development. Industrial-grade temperature range (-40C to +95C ambient) and a 0.32-micron CMOS process suit thermally constrained enclosures. Typical applications include ISDN terminal adapters, T1/E1 framer/mux boards, industrial Ethernet gateways, and legacy serial-protocol converters. The 3.3 V core with 5 V tolerant bus simplifies drop-in replacement of older 5 V designs that have already migrated I/O to 3.3 V. Designers should consult the MPC860 PowerQUICC User's Manual and AN-2125 for CPM buffer descriptor table allocation and BD ring sizing for full-duplex HDLC links. Packaging is supplied in JEDEC-level tray (not tape-and-reel) because the 357-PBGA package is too heavy and large for standard 7-inch or 13-inch reels. For thermal PCB layout, the 25 mm BGA exposes the die through the center balls and demands a thermal via array under the package for heat extraction. Per the NXP product page, the part is flagged as End of Life (EOL). Long-term replenishment is available through authorized distributors holding obsolete-stock licenses or through component re-sellers who have inventoried the original NXP wafer releases. This page synthesizes live distributor pricing, drop-in alternatives from the same MPC8xx family, and design notes on BGA re-balling not found in the manufacturer datasheet.

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MPC860SRZQ66D4 - PowerQUICC MPC8xx MPU 66MHz 357-BGA | NXP
MPC860SRZQ66D4

MPC860SRZQ66D4 - PowerQUICC MPC8xx MPU 66MHz 357-BGA | NXP

The NXP MPC860SRZQ66D4 is a PowerQUICC MPC8xx family 32-bit RISC microprocessor running at 66 MHz, integrated into a 357-ball Plastic BGA (PBGA, 25x25 mm) and operating from a 3.3 V supply rail. It belongs to Freescale's (now NXP) PowerQUICC communications processor line, combining a PowerPC core with on-chip peripheral integration tailored for telecom, networking, and embedded control designs. The part is shipped in Tray packaging and is rated for the extended industrial temperature range associated with the PowerQUICC platform. An MPU (Microprocessor Unit) is the central processing engine of an embedded system; the PowerQUICC family specifically integrates a 32-bit PowerPC core with a versatile peripheral set, classifying it as a microprocessor -> embedded processor -> communications processor -> PowerQUICC. The 32-bit data path and integrated CPM (Communications Processor Module) make this class of device a system-on-chip-style building block for routers, bridges, and remote-access equipment. Key features include a single 32-bit PowerPC core, an integrated CPM for serial communications, a 66 MHz internal/core frequency, 3.3 V core I/O supply, 357-ball PBGA package, and the legacy PowerQUICC peripheral complement including SCC/SMC serial channels, timers, and memory controllers. The 'SR' suffix indicates the specific configuration of memory, peripheral enablement, and operating-mode options available within the MPC860 family. Architecturally, the MPC860SRZQ66D4 is implemented in a 0.32 um CMOS process and pairs an integer PowerPC execution pipeline with a dedicated RISC communications engine (the CPM), allowing protocol processing to offload the main core. This dual-engine design was a hallmark of PowerQUICC and the reason the family dominated early-to-mid 2000s telecom infrastructure designs. Typical applications include telecom and networking line cards, T1/E1 and ISDN interface controllers, industrial serial bridging, and legacy router or hub platforms. The 357-PBGA footprint and 3.3 V supply allow direct placement into existing PowerQUICC reference designs without PCB rework. When designing with this device, ensure the host PCB provides the 357-ball PBGA land pattern specified by the manufacturer and that adequate thermal relief is provided for the 25x25 mm substrate. Plan for external SDRAM and flash as the on-chip RAM is limited; consult the PowerQUICC family reference manual for memory-map and CPM configuration details. This page synthesizes distributor stock signals, datasheet specifications, and drop-in MPC860 family alternatives that share the 357-PBGA footprint, providing information not consolidated in any single distributor listing.

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MPC860SRZQ66D4557 - PowerQUICC 32-bit MPU, 66 MHz | NXP
MPC860SRZQ66D4557

MPC860SRZQ66D4557 - PowerQUICC 32-bit MPU, 66 MHz | NXP

The NXP (formerly Freescale/Motorola) MPC860SRZQ66D4557 is a 32-bit PowerQUICC integrated communications controller microprocessor running at 66 MHz, housed in a 357-ball BGA package (ZQ suffix). It integrates a PowerPC core with the CPM (Communications Processor Module), making it a single-chip solution for embedded networking and telecom designs. A PowerQUICC processor is a specialized microprocessor that combines a PowerPC CPU core with dedicated communications peripherals on a single die. It sits in the embedded MPU hierarchy as: microprocessor -> 32-bit embedded processor -> communications controller. PowerQUICC parts are widely deployed in legacy telecom, industrial control, and networking equipment where deterministic communications processing is required. Key features include a 66 MHz core clock, 4 KB instruction cache and 4 KB data cache, dual UART, dual SCC (Serial Communication Controller) channels for HDLC/PPP/ATM, I2C and SPI interfaces, a 10/100 Ethernet MAC, and on-chip DRAM controller. The integrated CPM offloads protocol processing from the CPU, freeing the core for application-level tasks. Architecturally, the MPC860 uses a Harvard-style cache, separate instruction and data buses, and a dedicated peripheral bus for the CPM. The 66 MHz 'SR' speed grade is one tier below the 80 MHz 'VR' grade but offers equivalent peripheral set, providing a cost-optimized option for designs that do not require maximum throughput. Typical applications include industrial routers, ISDN terminal adapters, set-top box controllers, factory automation bridges, and legacy telecom line cards. The wide operating temperature range (0 to 95 C) and integrated peripherals simplify board design and reduce BOM cost for these embedded systems. When designing with this part, note that the 357-ball BGA requires careful PCB layout with via-in-pad recommended for thermal dissipation. Designers should also verify errata documents from NXP, as the MPC860 family has several documented silicon revisions (D4557 masks). Use the Freescale/NXP development toolchain (CodeWarrior) for firmware development. This page synthesizes distributor pricing, drop-in same-family alternatives, and practical design notes not found in the manufacturer datasheet alone, helping engineers sourcing legacy PowerQUICC parts evaluate the MPC860SRZQ66D4557 against modern alternatives.

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MPC860SRZQ80D4 - 80MHz PowerQUICC MPU, 357-PBGA | NXP
MPC860SRZQ80D4

MPC860SRZQ80D4 - 80MHz PowerQUICC MPU, 357-PBGA | NXP

The NXP MPC860SRZQ80D4 is a 32-bit PowerQUICC microprocessor from the MPC8xx family, integrating a PowerPC core with a communications processor module (CPM) at 80 MHz core clock speed. The device operates from a 3.3 V supply, is housed in a 357-ball PBGA package measuring 25 mm x 25 mm, and is supplied in tray packaging. Lead-bearing RoHS variants are typical for the MPC8xx generation. A microprocessor (MPU) is an integrated circuit that contains the arithmetic logic unit, control unit, register file, and memory interfaces of a computer on a single die. In system hierarchy, an MPU sits above microcontrollers in complexity, requiring external memory and peripherals, and is used in applications where high-throughput processing and flexible memory architectures are required. The PowerQUICC MPC860 family specifically targets telecommunications and networking, where the integrated CPM offloads communications processing from the main CPU. Key differentiating features of the MPC860SRZQ80D4 include the integrated CPM with two serial communications controllers (SCCs), two serial management controllers (SMCs), one serial peripheral interface (SPI), and an I2C controller, plus a 10/100 Mbps Ethernet MAC. The device supports 32-bit PowerPC architecture with separate instruction and data MMUs, providing virtual memory support for embedded operating systems such as VxWorks and Linux. 80 MHz core speed delivers 50 MIPS Dhrystone performance, sufficient for mid-tier routing, switching, and industrial control workloads. Architecturally, the MPC860SRZQ80D4 separates the PowerPC core from the CPM via an internal bus, allowing protocol processing to occur in parallel with CPU tasks. The 357-PBGA package uses a 1.27 mm ball pitch and is suitable for surface-mount assembly with a thermal vias under the die for heat dissipation. Typical applications include WAN routers, ISDN terminal adapters, Fast Ethernet switches, industrial automation embedded in legacy telecom equipment, and military/aerospace systems requiring the PowerPC architecture. The wide protocol support also makes it suitable for industrial serial concentrators and protocol converters. Designers should note that the MPC8xx family requires external SDRAM, flash, and glue logic, and the BGA package requires X-ray inspection and controlled-impedance PCB stackup. The 3.3 V I/O simplifies interfacing to 5 V tolerant peripherals via external level shifters. This page synthesizes current distributor pricing, drop-in MPC8xx alternatives, and design notes drawn from the NXP/Freescale PowerQUICC hardware specifications document.

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