Microcontroladores

Produtos (19.000+)

MC56F84763VLH - 32-bit DSC, 128KB Flash, 100MHz 56800EX | NXP
MC56F84763VLH

MC56F84763VLH - 32-bit DSC, 128KB Flash, 100MHz 56800EX | NXP

The NXP MC56F84763VLH is a 32-bit digital signal controller (DSC) built on the 56800EX core, delivering up to 100 MIPS at a 100 MHz core frequency with 128 KB of on-chip Flash in a 64-pin LQFP (10x10 mm) package. It belongs to the MC56F84xxx family of DSCs that integrate MCU control with DSP precision for high-performance motor control and digital power conversion. A digital signal controller is a hybrid between a microcontroller (MCU) and a digital signal processor (DSP). It combines on-chip peripherals, timers, ADCs, and PWMs typical of microcontrollers with DSP capabilities such as single-cycle MAC instructions, hardware loops, and fast interrupt response. This positions a DSC within the embedded-processing taxonomy above simple microcontrollers (8/16-bit MCUs) and at the same level as 32-bit MCUs but with DSP-grade math throughput. The MC56F84763VLH is therefore the control and computation heart of closed-loop power and motion systems. Key features include 100 MHz 56800EX core, 128 KB Flash, 8 KB RAM, up to 16-channel 12-bit ADC, multiple high-resolution PWM modules suitable for digital power and motor control, and integrated peripherals such as CAN, SCI/SPI/I2C, and a 4-channel DMA controller. The wide operating voltage range (typically 3.0-3.6 V) supports industrial 3.3 V systems, and the -40C to +105C junction rating suits harsh industrial environments. Architecturally, the 56800EX core implements a unified 32-bit data path with three operand instructions, dual Harvard buses (program and data memories), and a four-stage pipeline. Combined with on-chip peripherals like eFlexPWM and 12-bit ADCs with dual-sample capability, this enables precise field-oriented control (FOC) of three-phase motors and fine-grained switching for digital switch-mode power supplies. The DSP engine executes the computationally intensive math (Park/Clarke transforms, PID loops) without taxing the CPU scheduler. Typical applications include variable-frequency drives (VFDs) for industrial motor control, digital switch-mode power supplies (SMPS), solar inverters, servo drives, and uninterruptible power supplies (UPS). The combination of 100 MIPS throughput and motor-control-tuned peripherals makes it well-suited for three-phase BLDC, PMSM, and AC induction motor designs. When designing with this device, observe the recommended decoupling scheme listed in the datasheet and provide adequate ground copper under the exposed thermal pad. Designers should also budget for the QSPI flash-update latency and the worst-case interrupt latency when sizing control loops. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

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MC56F84786VLK - 32-bit DSC, 256KB Flash, 100MHz | NXP | Motor Control
MC56F84786VLK

MC56F84786VLK - 32-bit DSC, 256KB Flash, 100MHz | NXP | Motor Control

The NXP MC56F84786VLK is a 32-bit digital signal controller (DSC) based on the 56800EX core, delivering 100 MIPS at 100 MHz with 256 KB of on-chip Flash memory, housed in an 80-pin LQFP (12x12 mm) package. It integrates a 12-bit ADC, multiple PWM channels suitable for motor control, and a DMA controller for offloading CPU data movement. The device is targeted at digital motor control and power conversion applications. A DSC (digital signal controller) is a hybrid between a microcontroller and a DSP - it combines deterministic control peripherals (PWM timers, ADCs, quadrature decoders) with a DSP-style datapath that can compute fractional arithmetic and single-cycle math operations such as matrix multiplies and FFT stages. The 56800EX core executes 32-bit instructions and provides parallel memory moves and hardware DO loops. In the broader taxonomy, the MC56F84786VLK belongs to the family of microcontrollers and DSPs, specifically the DSC (digital signal controller) sub-class used heavily in motor control and digital power. Key features include up to 24 PWM channels with input capture capability, a Cyclic Redundancy Check (CRC) generator, on-chip 3.3 V LDO regulator, and a wide operating voltage range. The 256 KB Flash and substantial SRAM enable table-driven control loops and field-oriented control (FOC) firmware without external memory. Communication peripherals include CAN, SPI, UART, and I2C, supporting industrial networking and motor feedback loops. The 56800EX architecture pairs a 32-bit RISC-style control unit with dual Harvard-style memories, supporting fractional arithmetic natively. The integrated DMA controller moves ADC sample data and PWM update tables between memory and peripherals without CPU intervention, which is critical for closed-loop control rates above 20 kHz. The high-resolution PWM module enables switching frequencies above 100 kHz for digital power converters. Typical applications include variable-frequency drives (VFDs) for industrial motors, brushless DC (BLDC) and permanent-magnet synchronous motor (PMSM) controllers, solar inverters, and switched-mode power supplies. The combination of 100 MHz processing, dedicated motor-control peripherals, and 256 KB Flash makes the MC56F84786VLK a fit for mid-power drives up to several kW. When designing with this device, ensure the operating voltage and crystal/oscillator selection match the 56800EX core requirements. Decoupling must include 100 nF X7R ceramic capacitors placed as close as possible to every VDD/VSS pair, plus bulk capacitors on the 3.3 V LDO output. The 80-pin LQFP exposes most DSC peripherals; verify pin assignment against the datasheet before laying out the PCB. This page synthesizes distributor pricing, drop-in LQFP-80 alternatives, and practical design notes not found in the manufacturer datasheet, helping engineers select the right NXP DSC for motor-control and digital-power designs.

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MC68020CEH16E - 32-Bit M68020 MPU, 16.67MHz | NXP 132-PQFP
MC68020CEH16E

MC68020CEH16E - 32-Bit M68020 MPU, 16.67MHz | NXP 132-PQFP

The NXP (formerly Motorola/Freescale) MC68020CEH16E is a third-generation 32-bit member of the M680x0 family of CISC microprocessors, delivered in a 132-pin ceramic/bumpered PQFP (QFP-132, 46x46 mm) package and rated for a 16.67 MHz maximum external clock frequency (commonly marketed at 16 MHz with the internal core running at the same rate). The CEH16E speed grade supports 0 wait-state access to 32-bit memory in tightly-coupled designs and integrates an on-chip 256-byte instruction cache, a four-stage pipelined execution unit with dual instruction fetching, eight 32-bit general-purpose data registers, eight 32-bit address registers, and a memory management unit (MMU) with a 4-Kbyte translation lookaside buffer (TLB). What is a CISC MPU? A CISC microprocessor (Complex Instruction Set Computer) is a processor architecture that exposes a rich, variable-length instruction set optimized for high-level language constructs and minimal code size. The MC68020 occupies the hypernym path microprocessor -> CISC processor -> 32-bit MPU -> M680x0 family -> M68K application context. It served as the architectural backbone for the Apple Macintosh II series, Sun-3 workstations, HP 9000/300 and 9000/400 systems, early NeXT computers, and embedded military/aerospace platforms. Key features include a 32-bit non-multiplexed external data bus with 32-bit address bus, dynamic bus sizing for 8/16/32-bit peripherals, on-chip 256-byte instruction cache, an integrated MMU with 4-Kbyte entries, hardware multiply and divide (32x32 in 40 cycles typical), seven-level interrupt structure with vectored autovector support, and a coprocessor interface for the MC68881/MC68882 floating-point units. The device operates from a single 5 V supply and supports industrial temperature grades. The 132-pin PQFP package provides a generous thermal envelope for legacy embedded systems. Designers must provide external clock generation (typically a 16.67 MHz fundamental-mode TTL oscillator) and bus-termination networks. Modern embedded designs migrate to ColdFire MCF5208 or MPC5xx family successors; the MC68020CEH16E remains in service for avionics retrofits, industrial PLCs, and long-lifecycle defense electronics where M68K software re-validation is cost-prohibitive. Typical applications include avionics flight-control retrofits, legacy UNIX workstation mainboards, VMEbus single-board computers, industrial CNC controllers, and military communications equipment. Its MMU and full 32-bit architecture made it the first mainstream MPU capable of running virtual-memory UNIX operating systems.

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MC68020CRC16E - 32-Bit M68000 MPU, 16.67 MHz | NXP
MC68020CRC16E

MC68020CRC16E - 32-Bit M68000 MPU, 16.67 MHz | NXP

The NXP MC68020CRC16E is a 32-bit microprocessor from the M68000 family delivering up to 16.67 MHz clock operation in a 114-pin ceramic Pin Grid Array (PGA) package measuring 34.55 x 34.55 mm. It is the first full 32-bit implementation of the Motorola/NXP M68000 architecture, with 32-bit internal registers, 32-bit data paths, and 32-bit address space supporting up to 4 GB linear addressing. A microprocessor (MPU) is an integrated circuit that fetches, decodes, and executes instructions from external memory, acting as the central processing unit of an embedded system. Within the broader taxonomy, the MC68020 sits at the top of the M68000 line as a 32-bit CISC processor, descended from the 16-bit 68000, and was succeeded by the 68030 and 68040. As an embedded MPU, it operates without built-in peripherals (in contrast to a microcontroller), so designers pair it with external memory, bus controllers, and peripheral chipsets. Key features include a 16.67 MHz clock rate (suffix 16 in the MPN), 5 V single-supply operation, instruction pipelining with a 256-byte instruction cache, dynamic bus sizing for 8/16/32-bit peripherals, eight 32-bit general-purpose data registers, and eight 32-bit address registers. The 68020 added new addressing modes, bit-field instructions, and a coprocessor interface (M68881/M68882 FPU) not present in earlier 68000-series parts. Memory management is supported via an external paged MMU (MC68851). Typical applications include industrial control, military/aerospace embedded systems, VMEbus single-board computers, laser printer controllers, robotics, telecommunications switching, and legacy Unix workstations. Its deterministic instruction set and large address space made it a long-lived choice for safety-critical and high-reliability systems. When designing with this device, ensure the 5 V power supply has adequate decoupling and bulk capacitance near the PGA socket; the device is typically socketed rather than soldered due to the ceramic PGA form factor. The instruction cache should be flushed during debug to maintain deterministic execution. This page synthesizes distributor pricing, drop-in NXP-family alternatives, and practical design notes that go beyond what is reproduced in the manufacturer datasheet.

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MC68020CRC25E - 25MHz 32-Bit M68020 MPU | NXP | 114-PGA
MC68020CRC25E

MC68020CRC25E - 25MHz 32-Bit M68020 MPU | NXP | 114-PGA

The NXP MC68020CRC25E is a third-generation Motorola 68000-family 32-bit microprocessor (MPU) operating at 25 MHz, packaged in a 114-pin ceramic Pin Grid Array (PGA) measuring 34.55 x 34.55 mm. The 'E' suffix denotes the extended-temperature grade suitable for industrial and military environments, and the 'RC' suffix denotes the ceramic PGA package designation. The MC68020 belongs to the M68000 (M68K) family of CISC microprocessors, a lineage that originated with the Motorola 68000 in 1979. The M68020 introduced a true 32-bit internal architecture with a 32-bit data bus, 32-bit address bus, instruction cache, and a coprocessor interface. This places the MC68020 in the broader taxonomy of: microprocessor -> 32-bit MPU -> CISC MPU -> M68000 family -> M68020 generation. The MC68020 was historically used in workstations, laser printers, industrial controllers, and embedded aerospace/defense systems. Key features of the MC68020CRC25E include: 25 MHz clock frequency, 32-bit data and address buses, 4-byte (32-bit) instruction prefetch queue, on-chip instruction cache, hardware multiply and divide, eight 32-bit general-purpose data registers, eight 32-bit address registers, and a coprocessor interface supporting the MC68881/MC68882 floating-point units. The 114-pin PGA package provides robust mechanical and thermal performance required for military and aerospace applications. The architecture uses a memory management unit (MMU) for virtual memory support and offers enhanced addressing modes versus earlier M68K processors. The 25 MHz speed grade was a mainstream variant, with instruction timing measured in clock cycles (typically 3 cycles for a register move). Power is supplied from a single 5V rail, consistent with the M68K family standard. The device is fully static and supports both synchronous and asynchronous bus operation. Typical applications include legacy industrial control systems, military/aerospace embedded computing, telecommunications switching equipment, VMEbus single-board computers, and replacement/maintenance of legacy M68K-based designs. The 114-PGA package is intended for through-hole socket mounting, making it serviceable in long-lifecycle programs. When designing with the MC68020CRC25E, note that this is a legacy/obsolete part suitable only for sustaining-engineering and existing-platform maintenance. Modern designs should consider ARM-based replacements such as NXP's i.MX RT series, which offer vastly higher performance and lower power while preserving similar bus-style interfaces. The PGA package requires a matching PGA socket for PCB mounting, increasing assembly cost.

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MC68020FE20E - 32-Bit 20MHz MPU, 132-CQFP | NXP Semiconductors
MC68020FE20E

MC68020FE20E - 32-Bit 20MHz MPU, 132-CQFP | NXP Semiconductors

The NXP Semiconductors MC68020FE20E is a 32-bit CISC microprocessor (MPU) of the M680x0 family, executing at 20 MHz and housed in a 132-pin ceramic CQFP (24x24 mm) tray package. It integrates a single M68020 core with an HCMOS process, supporting a 32-bit data bus and 32-bit address bus for embedded and legacy computing systems. Operating from a 5 V supply, the part is offered in the extended-temperature grade (suffix E) suitable for industrial environments. A microprocessor (MPU) is the central processing unit of a computer system, fabricated as a single integrated circuit that fetches, decodes, and executes instructions from memory. The MC68020 belongs to the M68000 family lineage (M68k), an early 32-bit architecture widely adopted in workstations, industrial controllers, and military systems during the 1980s and 1990s. It sits within the broader hierarchy of: MPU -> microprocessor -> processor -> digital IC -> semiconductor. The 68020 was notable for introducing on-chip instruction caching and a true 32-bit ALU within the family. Key features of the MC68020FE20E include a 20 MHz maximum clock frequency, 32-bit internal and external data paths, 32-bit address space (4 GB linear), integrated 256-byte instruction cache, and a paged memory management unit (MMU) interface via companion coprocessors. The 132-CQFP package provides a robust ceramic enclosure suited to high-reliability and extended-temperature applications. The architecture employs a load/store programming model with orthogonal addressing modes, supporting demand-paged virtual memory when paired with the MC68851 PMMU. Bus arbitration, snooping, and burst-mode memory transfers are hardware-supported for high-throughput systems. The HCMOS process delivers the speed and low-power characteristics required for embedded compute platforms of its era. Typical applications include legacy VMEbus industrial controllers, aerospace and military embedded systems, telecommunications switching equipment, and long-life-cycle retrofits of original M68k designs. The CQFP ceramic package and extended-temperature grade make the FE-suffix suitable for defense and aerospace programs requiring radiation-tolerant or ruggedized components. When designing with this device, note that it requires external clock generation, external memory, and an external MMU (MC68851) for full virtual-memory operation. The 5 V supply and CQFP footprint require careful PCB thermal management and through-hole or socketed mounting rather than standard surface-mount reflow. This page synthesizes distributor pricing, lifecycle status, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone.

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MC68020RC33E - 33MHz 32-bit M68000 MPU | NXP | 114-PGA
MC68020RC33E

MC68020RC33E - 33MHz 32-bit M68000 MPU | NXP | 114-PGA

The NXP (formerly Motorola/Freescale) MC68020RC33E is a full 32-bit CISC microprocessor from the M68000 family operating at 33.33 MHz, housed in a 114-pin ceramic Pin Grid Array (R-CPGA, 34.55 x 34.55 mm). It contains a single 68020 core, 32-bit registers and data paths, 32-bit addresses, and a rich instruction set that is a superset of previous M68000-generation CPUs. What is a 32-bit CISC microprocessor? In the broader product taxonomy, the MC68020 belongs to the class of microprocessors (MPU) - a category that includes general-purpose CPUs, microcontrollers, and digital signal processors. Within integrated circuits, microprocessors sit alongside logic ICs, memory ICs, and interface ICs, and historically preceded the rise of RISC and x86 architectures. The 68020 was notable as the first full 32-bit implementation of the M68000 family, using VLSI HCMOS technology and providing 32-bit arithmetic and addressing well before 32-bit computing became mainstream. Key features include a 33.33 MHz maximum clock speed, 5V single-supply operation, an integrated memory management unit (MMU) with a 256-byte instruction cache, and dynamic bus sizing that supports 8-, 16-, and 32-bit peripherals on the same bus. The 114-BPGA package provides a robust through-hole pin-grid-array footprint suited to legacy industrial, military, and embedded applications. The 68020 core introduces an instruction cache, coprocessor interface (for the 68881/68882 FPU and PMMU), and improved exception handling relative to the earlier 68000/68010. From a performance standpoint, it executes roughly 2-3 MIPS at 33 MHz and addresses up to 4 GB of linear memory through the MMU. Typical applications include legacy VMEbus industrial controllers, aerospace/avionics subsystems, military embedded systems, telecommunications infrastructure (early-era switches/routers), and Sun/Apollo/HP workstation-class motherboards where the 68020 was the host CPU. The through-hole PGA package remains widely deployed on fielded hardware requiring long-term availability. Design consideration: the 114-PGA requires a socketed PCB layout with plated through-holes on a 2.54 mm pitch grid. When evaluating longevity, source the part only from authorized distributors or franchised stockists, as the 68020 family is firmly in the obsolete/legacy category. Plan for last-time-buy inventory for new designs. This page synthesizes distributor pricing, drop-in alternative guidance, and practical design notes beyond the manufacturer datasheet to assist engineers maintaining installed 68020-based systems.

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MC6802CL - 8-Bit Microprocessor, 40-Pin DIP | Motorola
MC6802CL

MC6802CL - 8-Bit Microprocessor, 40-Pin DIP | Motorola

The Motorola MC6802CL is an 8-bit microprocessor IC in a 40-pin through-hole DIP package. The MC6802 belongs to Motorola's M68 family and is an 8-bit processing unit that forms the central control element in embedded, industrial, and legacy control systems. The verified listing identifies MC6802CL as an industrial-temperature-grade microprocessor with 40 terminals, a rectangular DIP package, and through-hole mounting. Its public product information identifies the MC6802 family as a monolithic 8-bit microprocessor with clock and optional RAM support. What is an 8-bit microprocessor? An 8-bit microprocessor is a programmable processing unit whose data bus and general-purpose register architecture operate on 8-bit values. In the system hierarchy, a microprocessor is a semiconductor IC and a central processing element within an embedded control system. The MC6802 family extends the Motorola M68 architecture with logic-level control, clock-related circuitry, and application-specific external support. Because it is a legacy device, designers must verify timing, memory-interface behavior, temperature limits, and signal states from the original manufacturer documentation before using it in new production hardware. The verified data confirms that MC6802CL uses a 40-terminal industrial-grade DIP package. The larger through-hole footprint provides straightforward prototyping, socketed assembly, repairability, and good mechanical serviceability compared with a fine-pitch surface-mount package. Its rectangular DIP form factor is useful for legacy controller, industrial-control, instrumentation, and educational replication projects where existing boards and sockets are already designed around a 40-pin footprint. No figure, clock frequency, memory size, supply voltage, operating-temperature range, or instruction-set detail is provided in the supplied search records. The MC6802 is associated with Motorola's M68 family and is commonly discussed in the context of the MC6800 architecture. The MC6802 family data identifies it as a monolithic 8-bit microprocessor with clock and optional RAM capabilities. These characteristics make it a functional member of the broader 8-bit microprocessor category rather than a microcontroller with integrated flash memory, peripherals, and a crystal oscillator. Applications commonly need external memory, address decoding, input/output interfacing, clock support, and carefully designed reset and power circuitry. Typical uses include preserving or repairing an existing Motorola M68-based controller, recreating an industrial or instrumentation system, and supplying a processor for an educational or laboratory design. Its 40-pin DIP package is particularly useful where socketed assembly and field replacement are more valuable than minimizing board area. The main engineering tradeoff is obsolescence: availability may be limited to specialist inventory, and new designs should be validated for long-term supply, radiation or temperature requirements, and exact timing behavior. When constructing or repairing a board around the MC6802CL, begin with the original MC6802 datasheet and the specific board schematic. Verify every supply, clock, reset, interrupt, bus, and control signal against the manufacturer documentation rather than relying on generic 6800-family schematics. The supplied MC6802 datasheet result identifies a 22-page document, but its document revision number is not provided and therefore is not asserted here. This page combines verified package and sourcing information with a conservative engineering assessment. It also distinguishes confirmed facts from parameters requiring datasheet review, helping engineers evaluate the MC6802CL for legacy-system maintenance without mistaking inferred information for manufacturer specifications.

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MC68030CRC33C - 33MHz 32-Bit MPU, 128-PGA | Motorola/NXP
MC68030CRC33C

MC68030CRC33C - 33MHz 32-Bit MPU, 128-PGA | Motorola/NXP

The Motorola/NXP MC68030CRC33C is a 32-bit enhanced microprocessor from the M68000 family, running at 33 MHz and housed in a 128-pin ceramic PGA (CPGA128 / 128-PGA) package measuring 34.55 x 34.55 mm. It integrates a CPU core, dual on-chip caches (4 KB instruction + 4 KB data), an enhanced bus controller, an MMU, and a 32-bit data bus, all in a single HCMOS die. The 'CRC' suffix indicates the ceramic pin grid array with 0°C–85°C commercial temperature grade, while the '33C' suffix denotes the 33 MHz clock and commercial operating range. The M68k (M68000) is a CISC/legacy RISC-influenced 32-bit microprocessor architecture that powered the Apple Macintosh, Atari ST, Commodore Amiga, Sun workstations, and many early Unix systems. It introduced a flat 32-bit address space, eight 32-bit data registers, and eight 32-bit address registers, and it dominates long-lifecycle embedded applications such as industrial controllers, telecom switches, military/aerospace systems, and legacy VMEbus boards. The 68030 specifically adds a 4 KB data cache and a 4 KB instruction cache (write-through modes configurable) and improves the bus controller for higher throughput than the 68020/68000. Key electrical features include 33 MHz clock, 5 V supply (typical HCMOS), HCMOS process technology, on-chip MMU, dual 4 KB caches, and an enhanced burst-mode bus interface. The 128-PGA ceramic package is the rugged through-hole form factor preferred for defense, aerospace, and industrial applications. Like most Motorola/NXP M68k chips, this part is long-lifecycle and is sourced today primarily through authorized distributors, Rochester Electronics (franchised for EOL silicon), and the open market. Typical applications include VMEbus single-board computers, telecom switching infrastructure, industrial PLCs and motor controllers, military/aerospace command and control systems, laser printer controllers, and legacy medical imaging equipment. The on-chip MMU enables full Unix-like operating systems (e.g., NetBSD, VxWorks, OS-9) to run natively. A key design consideration is the legacy CPU support burden: new designs should consider ColdFire MCF5307/MCF5407 drop-in equivalents in CPGA128 or migrate to ARM Cortex-A based SBCs. The ceramic 128-PGA package requires a through-hole socket (PGA socket) or hand/outgassing reflow for production. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the original Motorola/NXP datasheet, providing engineers with a single reference for sourcing, replacement, and lifecycle decisions.

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MC68030FE20C - 20MHz 32-Bit M68000 MPU | Motorola
MC68030FE20C

MC68030FE20C - 20MHz 32-Bit M68000 MPU | Motorola

The Motorola MC68030FE20C is a second-generation 32-bit enhanced microprocessor from the M68000 family, operating at 20 MHz and housed in a 132-pin ceramic CQFP package. It features an integrated instruction cache (256 bytes instruction, 256 bytes data), a paged MMU, and a burst-mode memory controller for high-throughput embedded designs. As a member of the classic 68k lineage, the MC68030 maintains object-code compatibility with the MC68000, MC68010, and MC68020 while adding hardware virtual memory support and parallel instruction/data fetch capability. The 'FE' suffix denotes the ceramic windowed (erasable) CQFP132 package and the 'C' suffix indicates the specified operating temperature grade. A 32-bit microprocessor (MPU) is a CPU whose internal registers, data bus, and address bus are all 32 bits wide, enabling single-cycle operations on 32-bit operands and direct addressing of up to 4 GB of physical memory. Within the broader taxonomy, an MPU sits above microcontrollers (MCUs) in compute hierarchy: MCUs integrate memory and peripherals on-chip for compact control loops, while MPUs require external memory and bus logic and target higher-performance operating-system-style workloads. The M68000 family in particular popularized a flat, linear 32-bit address space and orthogonal register model that influenced subsequent RISC and CISC designs. Key features of the MC68030FE20C include dual on-chip caches, a six-stage instruction pipeline with parallel dispatch, full IEEE 1149.1 JTAG boundary-scan support, and a 32-bit data bus with dynamic bus sizing for 8/16/32-bit peripherals. The device is fabricated in HCMOS technology, dissipating roughly 1.5 W at 20 MHz, and supports both synchronous and asynchronous bus cycles. Burst-mode memory transfers can move up to four 32-bit words per arbitration, materially improving sustained throughput versus the MC68020. In the system architecture, the MC68030FE20C serves as the central processing unit in VMEbus boards, Sun-3 era workstations, laser printer controllers, and aerospace/defense embedded platforms. Its integrated MMU runs the same translation tables as the MC68851, allowing existing System V Unix ports to run unmodified. Software ecosystems include pSOS, VxWorks, OS-9, and early Linux/Mach variants. Designers should note that the ceramic CQFP132 windowed package (FE suffix) is erasable and intended for prototype development; production runs typically migrate to the RC package (plastic). Decoupling requires 0.1 uF ceramic capacitors on every Vcc pin pair, and the 20 MHz clock must meet the duty-cycle and jitter spec of 5 ns or less. The 'C' speed grade temperature range should be verified against the target environment's ambient. This page synthesizes distributor stock, exact replacement equivalents, and application notes that complement the original Motorola datasheet.

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MC68030FE25C - 25MHz 32-Bit MPU w/ MMU, 132-CQFP | NXP
MC68030FE25C

MC68030FE25C - 25MHz 32-Bit MPU w/ MMU, 132-CQFP | NXP

The NXP MC68030FE25C is a second-generation 32-bit enhanced microprocessor from the M68000 family, operating at 25 MHz with on-chip memory management and integrated caches. The device is housed in a 132-pin ceramic quad flat pack (132-CQFP, 24x24 mm) and is offered in a commercial temperature grade. It implements the M680x0 instruction set with extensions for virtual memory and tightly-coupled instruction/data caches, retaining binary compatibility with the MC68020 while adding burst-mode memory support. Background: A microprocessor (MPU) is the central processing unit of a computer system, integrating the ALU, register file, instruction decoder and memory interface onto a single die. Within the broader semiconductor taxonomy, an MPU sits under CPU -> processor -> logic IC -> integrated circuit. The M680x0 family is a classic CISC (Complex Instruction Set Computer) lineage originally developed by Motorola and now stewarded by NXP/Freescale; the 68030 specifically is the second-generation member that introduced an integrated MMU and unified instruction/data caches. Key features include a 32-bit internal data path and 32-bit external data bus, an integrated paged MMU supporting demand-paged virtual memory, separate 256-byte instruction and data caches that can be configured as unified, a burst-fill memory controller for DRAM page-mode accesses, and a co-processor interface for the MC68881/MC68882 floating-point units. The 25 MHz clock yields approximately 7 MIPS of sustained throughput. Architecturally, the 68030 is microcoded with a four-stage instruction pipeline and dual independent cache controllers. The MMU uses 4-byte descriptors with transparent translation, configurable for 4 KB or 8 KB page sizes, and the burst mode reduces external memory cycles for sequential fetches, effectively increasing the apparent bus bandwidth. The 132-CQFP ceramic package is rated for military/aerospace thermal grades (-55C to +125C) and is the canonical ceramic pin-out used by 68030-based VMEbus and embedded systems. Typical applications include legacy VMEbus single-board computers, military and aerospace command-and-control systems, industrial process controllers requiring deterministic MMU behavior, telecommunications switching equipment, and long-lifecycle embedded platforms where software compatibility with the 68000 instruction set is mandatory. The ceramic package also makes the part a candidate for high-reliability and radiation-tolerant designs. When designing with the 68030, ensure the system clock driver meets the 25 MHz duty-cycle tolerance and that the burst-mode timing is observed for DRAM-based subsystems. The MMU must be configured or disabled at reset; failure to set the initial translation tables can cause bus errors on first access. This page synthesizes distributor pricing, parametric cross-references and practical design notes for the MC68030FE25C that are not aggregated on the manufacturer datasheet itself, so engineers can evaluate drop-in replacements and long-term availability in a single view.

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MC68040RC33V - 33MHz 32-bit M68040 MPU, 182-PGA | Motorola
MC68040RC33V

MC68040RC33V - 33MHz 32-bit M68040 MPU, 182-PGA | Motorola

The Motorola MC68040RC33V is a third-generation 68000-family 32-bit microprocessor running at 33 MHz, housed in a 182-pin ceramic PGA (47.24 x 47.24 mm) package and built on a 0.5 µm CMOS process. It is one of the highest-performance M680x0 CPUs ever produced, integrating an integer pipeline, an on-chip floating-point unit (FPU), dual 4 KB instruction and data caches, and a memory management unit (MMU) supporting virtual memory. A microprocessor (MPU) is the central processing unit of a computer system: a single-chip integrated circuit that fetches, decodes, and executes instructions. In the system hierarchy, the MPU sits at the top of the compute chain (MPU -> CPU -> processor -> logic IC -> semiconductor) and is supported by memory ICs, bus interface ICs, and peripheral controllers. The M68040 family belongs to the broader category of CISC (Complex Instruction Set Computer) microprocessors, distinct from RISC architectures such as ARM or MIPS. Key features of the MC68040RC33V include 33 MHz core clock, on-chip 4 KB + 4 KB Harvard-style caches, hardware MMU with table-walk translation, integrated FPU, and a 32-bit external data bus. The 'V' suffix indicates the 3.3 V-compatible revision (sometimes marketed as MC68040V), although the original datasheet lists a 5 V supply. The 'RC' suffix indicates a ceramic PGA package. Architecturally, the MC68040RC33V uses a 6-stage integer pipeline with dual issue of integer and floating-point operations, providing roughly 2x the performance of the MC68030 at the same clock. The integrated MMU eliminates the need for an external 68851, simplifying board design for UNIX workstations and embedded systems. Typical applications include legacy VMEbus single-board computers, industrial process-control PLCs, aerospace flight-control retrofits, telecom switching equipment, and obsolete UNIX workstation mainboards (Sun-3/NeXTStation-era designs). The wide third-party tool ecosystem (gcc -m68040, binutils m68k) keeps the part relevant in long-lifecycle industrial and defense programs. When designing with the MC68040RC33V, use a 33 MHz fundamental-mode oscillator and observe the bus arbitration timing in the MC68040 User's Manual. The 182-PGA footprint is large and requires a socket or careful PCB layout; designers often use a through-hole PGA socket to allow field replacement. This page synthesizes distributor pricing (DigiKey, Mouser, Octopart), pin-compatible same-family alternatives (MC68040RC25A, MC68LC040RC33A), and practical design notes not found in the bare Motorola datasheet PDF.

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MC68302AG16C - 16MHz M68000 Integrated Comm Processor | NXP
MC68302AG16C

MC68302AG16C - 16MHz M68000 Integrated Comm Processor | NXP

The NXP MC68302AG16C is a 16 MHz integrated multi-channel communications processor that combines an M68000 microprocessor core (cold-fire class) with on-chip peripherals optimized for networking and telecom systems, housed in a 144-pin LQFP (20x20 mm) tray package. As a member of the original MC68302 family launched in the early 1990s, the part integrates a 32-bit programming-model M68000 core, a DMA controller, three serial communications controllers (SCCs), two serial management controllers (SMCs), a parallel interface, and a timer module on a single die. An integrated communications processor (ICP / multi-channel comm controller) is a system-on-chip variant of a microprocessor that adds dedicated serial-channel hardware, DMA, and timers alongside the CPU. It sits in the taxonomy as MPU -> communications processor -> networking SoC -> embedded processor, allowing designers to replace separate UART, DMA, and CPU chips with one device. The MC68302 was the first NXP (then Motorola) device to closely couple an industry-standard MC68000/MC68008 core with a flexible communications architecture, becoming a foundational part for ISDN, modem, router, and X.25 designs. Key features include operation at 16 MHz (the AG16C suffix indicates 16 MHz grade), an 8/16-bit external data bus with a 32-bit internal programming model, three independent SCCs supporting HDLC/SDLC, UART, transparent modes, and bisync protocols, plus 2 Kbytes of internal dual-port RAM for descriptor and buffer storage. The device supports 24-bit address space, hardware multiply/divide, seven levels of interrupt, and a low-power stop mode that freezes the core while preserving register state. Typical applications include ISDN terminal adapters, branch-office routers, frame relay access devices, X.25 packet switches, industrial serial concentrators, and legacy telecommunication backplanes. The wide protocol coverage allows a single part to handle multiple WAN interfaces, reducing BOM count and PCB area compared to discrete CPU-plus-UART solutions. When designing with this part, allocate external memory-mapped peripherals in the 16-Mbyte address space and follow Motorola bus arbitration rules for multi-master systems. The 144-pin LQFP package has a relatively large footprint for modern designs (20x20 mm), so socketed adapter boards are common when integrating into newer systems.

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MC68302AG16VC - 16MHz M68302 MPU + Comm Processor | NXP
MC68302AG16VC

MC68302AG16VC - 16MHz M68302 MPU + Comm Processor | NXP

The NXP MC68302AG16VC is a 16 MHz integrated multi-channel communications microprocessor combining an M68000 processing core with on-chip RISC communications processor and peripheral integration, housed in a 144-pin LQFP (20x20 mm) package. The device supplies 1 core operating at 8/16-bit internal data path with on-chip DRAM controller, serial channels, and timers, designed as a one-chip networking processor. What is an integrated communications processor? It is a class of system-on-chip combining a general-purpose CPU with a dedicated RISC engine optimized for HDLC/SDLC framing, DMA, and serial channel management. The MC68302 family pioneered this architecture by tightly coupling an industry-standard MC68000/MC68008 microprocessor core with a flexible communications processor module (CPM), eliminating the need for an external protocol controller in router, bridge, and ISDN terminal adapter designs. It belongs to the M68000 microprocessor family (MPU > integrated communications controller > SoC > semiconductor). Key features include a 16.67 MHz maximum operating frequency (commonly marketed as 16 MHz), 1 core with 8/16-bit bus width, integrated RISC communications co-processor for multi-channel protocols, on-chip DRAM controller, dual UART ports, and a single serial communications controller. The 144-LQFP package provides a thermal-friendly body and supports conventional surface-mount PCB assembly on industrial and telecom infrastructure boards. Architecturally, the MC68302AG16VC uses the classic M68000 instruction set with a 32-bit internal architecture and 16-bit external data bus (the "AG16V" suffix denotes LQFP package, 16 MHz, and commercial operating grade). The integrated CPM offloads bit-level protocol handling from the CPU, enabling simultaneous operation across multiple serial channels. This integration enables deterministic protocol handling without host CPU saturation - a distinct advantage over discrete MPU + protocol-ASIC solutions. Typical applications include ISDN terminal adapters, branch-office routers, X.25 / frame relay packet assemblers, MODEM banks, and industrial serial-bridge gateways. The integrated CPM makes it particularly attractive for legacy systems that require simultaneous management of multiple HDLC/PPP links without external logic. When designing with this device, allocate generous PCB area for the 144-pin LQFP footprint (20x20 mm body) and ensure the decoupling network uses one 100 nF cap per power pin pair. Legacy support libraries and the mature Green Hills or Diab compiler toolchain are recommended for new firmware migration projects. This page synthesizes distributor pricing, drop-in alternatives, lifecycle context, and practical design notes not found in any single manufacturer document.

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MC68302AG20C - 20MHz M68300 Integrated Comm Processor | NXP
MC68302AG20C

MC68302AG20C - 20MHz M68300 Integrated Comm Processor | NXP

The NXP MC68302AG20C is a 20 MHz M68000-family integrated multi-channel communications processor with a 68000 core, DMA controller, serial communication controllers (SCCs), and a 144-pin LQFP (20x20 mm) package. It targets embedded networking and telecom designs where deterministic serial I/O is required alongside a familiar 68000 instruction set, and is offered in the 144-LQFP plastic package. The 'G20' suffix denotes the 20 MHz maximum CPU clock and the 'A' package designator is the LQFP-144 plastic package. What is an integrated communications processor? An integrated communications processor (ICP) combines a general-purpose CPU core with on-chip peripherals such as DMA engines, serial channel controllers, timers, and parallel ports that are tuned for protocol handling. The M68302 was the first device to offer a closely-coupled, industry-standard MC68000/MC68008 microprocessor core combined with a flexible communications architecture, placing it inside the broader taxonomy: microcontroller -> microprocessor -> integrated communications processor -> embedded networking SoC -> semiconductor. Key features include up to three independent serial communications controllers (SCCs) supporting HDLC/SDLC, UART, and BISYNC protocols, a 2-channel DMA engine, 1152 bytes of on-chip dual-port RAM, a 24-bit address bus providing 16 MB of linear addressing, and an interrupt controller with up to seven external interrupt sources. The device operates from a single 5 V supply and supports a maximum CPU clock of 20 MHz. The MC68302 architecture is built around a true 32-bit internal 68000 core running with a 16-bit external data bus, allowing engineers to reuse legacy 68000 firmware while gaining dedicated serial DMA offload. The on-chip RISC communications processor (CP) handles bit-level protocol work, freeing the core for higher-layer tasks. This dual-engine design was pioneering for early 1990s networking ASICs. Typical applications include ISDN terminal adapters, ISDN modem modules, X.25 packet switches, industrial routers, factory-floor communication controllers, and legacy telecom backplane designs. The part also appears in industrial serial-bridge gateways and protocol-conversion adapters where deterministic SCC behaviour is required. When designing with the MC68302AG20C, ensure proper bus arbitration and timing closure for the 20 MHz external clock. The SCC pins require external transceivers for RS-232/RS-485 connectivity. According to the NXP datasheet, decoupling must be placed close to the multiple VCC/GND pairs of the LQFP-144. This page synthesizes distributor stock signals, EOL status, drop-in 68000-family alternatives, and design notes beyond what the manufacturer datasheet alone offers.

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MC68302AG25C - 25MHz M683xx Integrated Comm Processor | NXP
MC68302AG25C

MC68302AG25C - 25MHz M683xx Integrated Comm Processor | NXP

The NXP MC68302AG25C is a 25 MHz integrated multi-channel communications processor built on the M68000 core architecture, packaged in a 144-pin LQFP (20x20 mm). It combines a 32-bit M68000 microprocessor core with on-chip peripherals including a flexible communications architecture (RISC-based CPM), three serial communication controllers (SCCs), two serial management controllers (SMCs), a DMA controller, and a 2-channel 16-bit timer. An integrated communications processor (ICP) is a category of embedded microprocessor that tightly couples a CPU core with dedicated serial-channel and DMA hardware on the same silicon die. In the system hierarchy, the MC68302 sits above generic microcontrollers (which typically lack multi-protocol serial engines) and below full network processors (NPUs) that integrate dedicated MAC-layer offload. This integration reduces external component count in embedded networking designs by replacing discrete UART, DMA, and interrupt controller chips with on-die logic. Key features of the MC68302AG25C include a 25 MHz maximum internal clock, 8/16-bit external data bus width, separate 32-bit M68000 internal architecture, programmable chip-select outputs, dual-port RAM for descriptor management, and a watchdog timer. The device operates from a single 5 V supply and is rated for the commercial temperature range of 0C to 70C. Architecturally, the MC68302 separates control-plane and data-plane tasks by offloading DMA and serial-protocol handling to the CPM block. Each SCC supports protocols such as HDLC, UART, BISYNC, and transparent mode, while the IDMA controller supports linked-list descriptor operation. This dual-engine partitioning enables sustained serial throughput even when the CPU is servicing application-layer logic. Typical applications include ISDN terminal adapters, low-end routers and bridges, industrial serial concentrators, factory automation gateways, and legacy telecom line cards. Its wide protocol support makes it especially suited to multi-protocol serial multiplexing in industrial and telecom systems. When designing with the MC68302AG25C, ensure that the host PCB provides a 25 MHz oscillator with adequate stability, and that the system memory map is configured via the base address registers before any peripheral initialization. Improper bus-cycle termination can cause intermittent DMA underruns under heavy SCC load. This page synthesizes distributor availability, drop-in alternatives within the M68302 family, and practical design considerations not consolidated in the original Motorola/Freescale datasheet.

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MC68302AG33C - 33MHz M68302 Integrated Comm Processor | NXP
MC68302AG33C

MC68302AG33C - 33MHz M68302 Integrated Comm Processor | NXP

The NXP MC68302AG33C is a 33MHz M68302 integrated multiprocessor that combines the M68000 microprocessor core with a flexible multi-channel communications architecture and DMA controller in a single 144-pin LQFP package. It is one of the first devices to tightly couple an industry-standard MC68000/MC68008 CPU core with on-chip serial and parallel communications peripherals, targeting networked embedded applications. Operating from a 5V supply, the part integrates a 32-bit M68000 core operating at 33 MHz, an SCC (Serial Communications Controller) block, an SCP (Serial Communications Port), a parallel I/O port, and a three-channel DMA engine. An integrated communications processor (or communications controller) is a category of embedded microprocessor that pairs a general-purpose CPU core with hardware peripherals dedicated to moving serial and parallel data, offloading low-level protocol work from the CPU. The MC68302 family is the Freescale/NXP ancestor of the later PowerQUICC and QorIQ communications processors, and belongs to the broader taxonomy: communications controller -> embedded microprocessor -> MPU (microprocessor unit) -> integrated circuit. Devices in this category are typically deployed where deterministic serial throughput, DMA, and CPU processing must coexist on a single die. Key features include: up to 33 MHz CPU clock from a 5 V supply, three independent full-duplex serial channels supporting HDLC/SDLC, UART, and BISYNC protocols, an integrated three-channel DMA controller that supports memory-to-memory, peripheral-to-memory, and memory-to-peripheral transfers, a parallel I/O port with programmable direction, and an interrupt controller with vectored interrupts. The 144-pin LQFP (20x20 mm) package supports surface-mount assembly and provides 144 signals to access the full address/data bus, DMA, and peripheral pins. Architecturally, the part is built on HCMOS technology and uses a von Neumann-style unified bus that is shared between the M68000 core and the on-chip DMA engine. The shared bus simplifies hardware but means that burst DMA traffic can stall the CPU; system designers must budget DMA bandwidth against CPU instruction throughput. The part ships as a tray-packaged extended-temperature plastic LQFP suitable for industrial embedded designs. Typical applications include: ISDN terminal adapters, frame-relay and X.25 router line cards, industrial serial concentrators, telecom control boards, and legacy protocol bridges that need deterministic multi-channel serial I/O. Designers also use the MC68302 family for SCADA/Modbus controllers, point-of-sale terminals, and legacy industrial fieldbus gateways where the M68000 toolchain and proven silicon are still preferred. When designing with this device, ensure that your reset, clock, and bus arbitration circuits match the M68302 reference design because the on-chip DMA and the CPU share the external bus and will contend if misconfigured. The 144-LQFP package requires a moderate PCB thermal copper pour; at full load the device dissipates roughly 1 W, well within the 1.5 W rating of the plastic LQFP. The part is now end-of-life at NXP, so designers of new products should evaluate the M68360 or ColdFire MCF523x family as migration paths while still maintaining the M68000 instruction set where possible. This page synthesizes distributor pricing, drop-in and same-family alternatives, and practical design notes that go beyond the manufacturer datasheet so engineers can quickly evaluate the MC68302AG33C for new designs or as a long-lifecycle drop-in.

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MC68302CAG16VC - 16MHz M683xx MPU, 144-LQFP | NXP Semiconductors
MC68302CAG16VC

MC68302CAG16VC - 16MHz M683xx MPU, 144-LQFP | NXP Semiconductors

The NXP MC68302CAG16VC is a 16 MHz integrated multiprotocol microprocessor from the M683xx family that combines an M68000 CPU core with on-chip communications peripherals. The device packages an 8/16-bit external data bus MPU core, DMA controller, serial communications channels, and parallel I/O into a single 144-pin LQFP (20x20 mm) surface-mount package. It is qualified as a multi-channel communications processor aimed at networking, telecom, and embedded control applications. An integrated multiprotocol processor (IMP) is a system-on-chip that merges a general-purpose microprocessor core with dedicated communication controllers such as HDLC, UART, and timers. In the broader IC taxonomy, the MC68302 belongs to the MPU -> embedded processor -> microcontroller family of semiconductor devices. Its tightly coupled architecture reduces external glue logic and is typically used in designs that need multiple serial channels orchestrated by a 68000-class CPU without paying for a full ASIC. Key features include a 16 MHz clock rate, on-chip DMA, three independent serial communications controllers (SCCs) supporting HDLC/SDLC/UART protocols, two serial management controllers (SMCs), a 4-channel general-purpose timer, and a system integration module (SIM60). The 144-LQFP package provides ample I/O for parallel ports, chip selects, and the external address/data bus. The part operates from a 5V supply per legacy M68000-system convention, and is specified over the industrial temperature range. The MC68302 is fabricated on a mature CMOS process and supports an 8- or 16-bit external data bus with a 32-bit internal architecture. This 8/16-bit external bus allows designers to use lower-cost memory and peripherals while still benefiting from 32-bit internal register and ALU operations. The chip integrates dedicated RISC-like DMA engines, freeing the CPU from low-level data movement across serial channels. Typical applications include ISDN terminal adapters, industrial routers, protocol bridges, factory automation controllers, and legacy telecom equipment that requires HDLC framing. Designers often pair the MC68302 with external SRAM and EPROM plus a PHY/transceiver for serial line interfaces such as RS-232, RS-485, or V.35. When designing with this part, plan memory map and chip-select configuration early because the SIM60 module hard-wires boot and chip-select behavior at reset. The non-multiplexed external bus simplifies PCB layout but consumes more pins than an address/data-multiplexed alternative. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes for legacy M68000-system engineers that are not consolidated in the manufacturer datasheet.

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MC68302CEH16C - 16MHz M68300 Multiprotocol Comm Processor | NXP
MC68302CEH16C

MC68302CEH16C - 16MHz M68300 Multiprotocol Comm Processor | NXP

The NXP MC68302CEH16C is a 16MHz, 8/16-Bit M68000-family integrated multiprotocol communications processor in a 132-pin PQFP (46x46 mm) package, optimized for embedded networking and telecommunications designs. It combines an MC68000/MC68008 microprocessor core with on-chip peripherals including DMA, serial communication controllers (SCC), and a multi-channel communications architecture, all in a single 4.5V-to-5.5V device. An M68300 (formerly 683xx) multiprotocol communications processor is a highly integrated System-on-Chip that merges the M68k CPU core with serial channel hardware, timers, and DMA to offload protocol handling from external logic. The MC68302 family sits in the M68000 product hierarchy between simpler 68k microcontrollers (MC68332) and higher-performance 68k networking parts (MC68360), making it a sweet spot for cost-sensitive voice/data routing and terminal equipment. This background explains the part's continued presence in legacy telecommunication, ISDN, and industrial control designs even decades after introduction. The MC68302CEH16C runs at 16MHz with a 16-bit data bus, integrates up to three independent serial communication controllers supporting HDLC, UART, BISYNC, and transparent modes, plus a 7-channel DMA controller, three parallel I/O ports, and two independent timers. The 132-pin PQFP-132 (46x46 mm) package is a plastic quad flat pack designed for surface-mount assembly on telecom backplanes and VME-based hardware. Operating voltage spans 4.5V to 5.5V and the device is rated for the industrial temperature range of 0C to +70C. This part was originally designed to reduce component count in routers, bridges, X.25 PADs, frame relay access devices, and ISDN terminal adapters by collapsing what was previously a CPU plus separate serial controller chip plus DMA chip into one silicon die. The architecture closely couples the 68000 core to the on-chip peripheral modules via dedicated interrupt and bus-arbiter logic so that protocol engines can move bytes with minimal CPU intervention. Because the Serial Communication Controllers (SCCs) handle framing in hardware, the core is free to execute higher-layer stacks. Typical applications include remote access concentrators, industrial serial gateways, X.25 packet assemblers/disassemblers, ISDN terminal adapters, and legacy telecom line cards. Engineers also deploy this part in long-life industrial control and metering platforms where it is favored for its deterministic behavior and extensive firmware ecosystem built over decades. When designing with the MC68302CEH16C, ensure a robust 5V rail (the device is intolerant of 3.3V supply) and provide bulk decoupling on each VDD/VSS pair. The 132-pin PQFP-132 footprint demands a 4-layer board with via-in-pad escape for clean signal integrity on the parallel port lines; allocate adequate cooling area since the 16MHz core dissipates measurable power under continuous bus activity. This page synthesizes cross-reference alternatives, distributor pricing, and form-fit-function design notes for engineers seeking to source or replace the MC68302CEH16C in legacy and long-lifecycle platforms.

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MC68302CRC16C - 16MHz IMP M683xx MPU | NXP | Networking
MC68302CRC16C

MC68302CRC16C - 16MHz IMP M683xx MPU | NXP | Networking

The NXP (formerly Motorola/Freescale) MC68302CRC16C is a 16 MHz Integrated Multiprotocol Processor (IMP) from the M68000 family, integrating an MC68000-derived 8/16-bit core with on-chip multi-channel communication peripherals in a 132-pin ceramic/ceramic-equivalent PGA package measuring 34.5 x 34.5 mm. It combines an industry-standard M68000 core with serial communication channels, DMA, timers, and parallel I/O, targeting networking, telecom, and industrial controller designs. An Integrated Multiprotocol Processor (IMP) is a category of VLSI devices that merge a general-purpose microcontroller core with purpose-built communication peripherals, allowing a single chip to handle both host processing and protocol framing for serial protocols like HDLC, UART, and BISYNC. The MC68302 family occupies the niche between pure microcontrollers and dedicated protocol controllers, sitting inside the broader hierarchy: microcontroller -> communication controller -> integrated multiprotocol processor -> VLSI networking controller. Key features of the MC68302CRC16C variant include a maximum CPU clock of approximately 16.67 MHz (24 MHz input clock via the on-chip PLL), three serial communication controllers (SCCs) configurable for HDLC/SDLC, UART, BISYNC, and transparent modes, two serial management controllers (SMCs), seven DMA channels, three independent timers, a 24-bit address bus, and a 16-bit data bus. The integrated RISC communications processor offloads bit-level protocol work from the main CPU core. The architecture pairs the well-known M68000 instruction set with a tightly coupled RISC-style communications engine, allowing the main CPU to execute application code while the communications processor manages DMA-driven SCC frame reception/transmission without CPU intervention. This dual-engine topology lets the device sustain wire-speed HDLC on multiple channels while still running management software. Typical applications include wide-area network routers and bridges, X.25 packet assembler/disassembler (PAD) equipment, ISDN terminal adapters, frame relay access devices, industrial serial-backplane controllers, and legacy telecom control boards. The ceramic PGA package suits through-hole industrial and telecom backplanes where thermal headroom and socket-replaceability matter more than board real estate. When designing with this device, allocate careful attention to bus arbitration and memory timing, because the on-chip DMA engine can request the external bus at any time during active SCC reception. A wait-state calculator for the chosen SRAM/EPROM speed grade is recommended before finalizing PCB layout. The PGFA ceramic PGA package also requires a socket or plated-through-hole footprint, so PCB fabrication cost is higher than equivalent QFP MPU designs. This page synthesizes distributor pricing, drop-in variants within the MC68302 family, and practical engineering notes not found in the standalone manufacturer datasheet, giving procurement and design engineers a single-source reference for sourcing and second-sourcing decisions.

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MC68302CRC20C - 20MHz M683xx Integrated Multiprotocol Processor | NXP
MC68302CRC20C

MC68302CRC20C - 20MHz M683xx Integrated Multiprotocol Processor | NXP

The NXP MC68302CRC20C is a 20 MHz M68000-family integrated multiprotocol processor (IMP) housed in a 132-pin ceramic PGA (BEPGA, 34.5 x 34.5 mm) package, integrating a 68000-derived CPU core with on-chip communication peripherals for embedded networking and control designs. An integrated multiprotocol processor is a VLSI device that combines a microprocessor core with serial communication controllers, DMA engines, timers, and parallel I/O into a single die. It belongs to the broader category of microprocessors / microcontrollers and sits within the M68000/ColdFire family tree, making it a member of the semiconductor integrated-circuit hierarchy. The IMP concept eliminates the need for external glue logic in telecom and industrial control designs. Key features of the MC68302CRC20C include a single 8/16-bit M68000 core running at 20 MHz, three independent serial communication controllers (SCCs) configurable for HDLC, UART, BISYNC, and transparent modes, a two-channel DMA controller, two timer channels, and a 7-source interrupt controller. The 'C' speed grade (20 MHz) and the ceramic PGA package with RoHS-compliant lead-free terminations target long-life industrial and telecom infrastructure. Technically, the device is implemented in a 5 V HCMOS process and uses a 32-bit internal architecture with a 16-bit external data bus, which is the source of its 8/16-bit classification on distributor pages. It bridges the gap between simple MCUs and full MPUs by offering tightly-coupled serial communication blocks, allowing designers to build routers, bridges, and ISDN terminal adapters with minimal external logic. Typical applications include WAN routers, ISDN terminal adapters, X.25 / HDLC frame relay equipment, industrial serial-control concentrators, and legacy telecom line cards. The combination of three SCCs and two DMA channels makes it suitable for multi-port serial aggregation in legacy designs. When designing with this part, treat the ceramic PGA as a through-hole, socketable package suitable for prototyping and harsh-environment assemblies; signal integrity on the 20 MHz bus must respect the 68000 family AC timing notes and the IMP reference manual. Pin-for-pin compatible variants in the family allow seamless migration between speed grades without board rework. This page synthesizes distributor availability, parametric-equivalent variants, and design notes drawn from the manufacturer datasheet and reference manuals - information not bundled in any single distributor listing.

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MC68302CRC20C157 - 20MHz M68000 IMP, 132-PGA | NXP
MC68302CRC20C157

MC68302CRC20C157 - 20MHz M68000 IMP, 132-PGA | NXP

The NXP MC68302CRC20C157 is an Integrated Multiprotocol Processor (IMP) from the M68302 family that combines an M68000-derived 8/16-bit core operating at 20 MHz with on-chip peripherals including a serial communications controller, DMA controller, and parallel I/O. It is housed in a 132-pin ceramic/ceramic-equivalent PGA (Pin Grid Array) package on a 39.63 mm x 39.63 mm body, and is part of the long-running MC68302 communications-controller lineage originally introduced by Motorola and continued by Freescale and NXP. An Integrated Multiprotocol Processor (IMP) is a specialized embedded microprocessor class that fuses a general-purpose CPU core with serial-communication hardware blocks (SCC, SMC) so a single chip can terminate multiple telecom protocols. Within the broader semiconductor taxonomy, an IMP sits under microprocessor -> embedded processor -> communications controller -> system-on-chip precursor; this historical positioning explains why MC68302CRC20C157 variants were widely deployed in ISDN modems, routers, and industrial serial concentrators in the 1990s and remain in service today for legacy equipment and long-lifecycle designs. Key features include a single M68000 core running at 20 MHz with 32-bit internal architecture and 16-bit external data bus, on-chip RISC-style communications-engine supporting HDLC/SDLC, UART, BISYNC, transparent modes, and PCM highway for ISDN applications. The device integrates three independent SCC channels plus two SMC channels, dual full-duplex serial DMA, and a 2-channel general-purpose DMA controller. Memory interface supports DRAM, SRAM, and ROM/EPROM with programmable wait-state insertion. Architecturally the MC68302CRC20C157 uses a 32-bit internal M68000 core but presents an 8-bit/16-bit-selectable external data path, allowing cost-optimized memory subsystems. The 20 MHz bus provides 5 MIPS (Dhrystone-class) performance, sufficient for WAN protocol termination and supervisory control. Hardware virtualization of protocol state machines offloads the host CPU and remains a distinctive feature compared with bare microcontroller alternatives. Typical applications include ISDN terminal adapters, X.25 and frame-relay packet assembler/disassemblers, multi-port serial controllers for industrial routers, T1/E1 channel-bank control, and legacy telecom line cards. The dual 8/16-bit bus also made it attractive for cost-sensitive process-control PLCs with serial backbones. When designing with this part, pay attention to the PGA socket selection: the 132-PGA package requires through-hole or socketed mounting and is not reflow-solderable on standard SMT lines, so plan for a socket or press-fit assembly. Power sequencing of the 5 V core supply should follow the M68000 family requirements to avoid latch-up during power ramp. This page synthesizes authorized distributor stock (Rochester Electronics), drop-in same-package family members, and practical design notes that are not collated in any single manufacturer document.

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MC68302EH16C - 16MHz M683xx Multi-Protocol Com Proc | NXP
MC68302EH16C

MC68302EH16C - 16MHz M683xx Multi-Protocol Com Proc | NXP

The NXP MC68302EH16C is a 16 MHz multi-protocol communications processor built around the M68000 core, integrating a 1-core 8/16-bit CPU with on-chip peripherals for serial communications in a 132-pin PQFP (46x46 mm) package. As a member of the M683xx MPU family, it delivers CPU throughput of 1.1 MIPS at 16 MHz while embedding channelized SCCs, SCCs, SMCs, a DMA controller, and a 1152-byte dual-ported RAM for tightly-coupled data movement. An MPU (Microprocessor Unit) is a CPU-centric chip without on-chip non-volatile program memory, historically used as the host processor in deeply embedded designs such as routers, ISDN terminals, and industrial controllers. Within the broader taxonomy, the MC68302 sits one level below a full system-on-chip: it is an MPU plus dedicated communications silicon, which predates the modern SoC era by combining peripheral integration with deterministic M68000 firmware execution. Headline specifications include a 16.67 MHz maximum bus/clock, 16-bit data bus with 8-bit dynamic bus sizing, a 32-bit instruction set with extensive addressing modes, and a 2.7 V to 5.5 V tolerant I/O interface. Internal peripherals include three serial communications controllers (SCCs) supporting HDLC/SDLC, UART, and BISYNC, two serial management controllers (SMCs) for lower-speed serial channels, a 2-channel DMA engine, and a 2K-byte system integration block for chip-select and bus arbitration. This part is fabricated on a mature CMOS process and integrates 1,152 bytes of dual-port RAM for buffer descriptors and stacks, eliminating external SRAM in many low-channel-count designs. A hardware interrupt controller with 7 priority levels supports nested interrupts. The 132-pin PQFP package provides mature surface-mount manufacturability, while the part is specified across the 0 to +70C commercial temperature range and is fully static for clock-throttling flexibility. Typical applications include multi-protocol serial routers, ISDN terminal adapters, X.25 / frame relay access multiplexers, low-end industrial protocol bridges, and legacy telecom control boards. Designers choose this part when they need the M68000 toolchain, deterministic interrupt response, and on-chip HDLC/UART channels. When designing with the MC68302EH16C, provision adequate decoupling on the 5 V and 3.3 V rails and route the parallel bus with controlled-impedance traces. Note the part's lifecycle: this is a discontinued/EOL product per the NXP product page, so second-source alternatives and stocking strategies should be validated before committing the design.

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MC68302EH16CB1 - M68302 Integrated MPU, 16MHz, 132-PQFP | NXP
MC68302EH16CB1

MC68302EH16CB1 - M68302 Integrated MPU, 16MHz, 132-PQFP | NXP

The NXP MC68302EH16CB1 is an integrated multi-channel communications processor combining the M68000 microprocessor core with a flexible RISC communications processor (CPM) in a 132-pin PQFP (46x46 mm) package. It operates at 16 MHz and integrates peripherals including DRAM controller, serial communication channels, timers, and parallel I/O for embedded networking designs. An MPU (microprocessor unit) is the central processing element of an embedded system, executing instructions, managing memory, and orchestrating peripherals through integrated or external bus interfaces. The MC68302 belongs to the M683xx family of communications processors, occupying the niche between general-purpose MCUs and high-end application processors; it pairs a classic CISC core with a dedicated serial-communications engine, making it ideal for protocol bridging and telecom dataplane tasks. Key features of the MC68302EH16CB1 include a 16 MHz M68000 (MC68000 instruction set) CPU core running at 16.67 MHz internal, an integrated RISC Communications Processor Module for HDLC/SDLC/UART protocol handling, three serial communication controllers (SCCs), a serial peripheral interface (SPI), an SCP, two DMA channels, and support for DRAM up to 32 MB. The device operates from a single 5 V supply. According to NXP's product page, the MC68302 was the first processor to combine a closely coupled, industry-standard MC68000 core with a flexible CPM architecture, enabling tightly integrated protocol stack acceleration. Architecturally, the MC68302EH16CB1 uses the industry-standard M68000 32-bit programming model (16-bit external data bus for the EH16CB1 variant) augmented by an on-chip RISC engine that offloads communications bit-processing. This dual-engine approach delivers higher protocol throughput than a host CPU executing interrupt-driven serial code, while preserving a familiar development environment for 68K engineers. Typical applications include ISDN terminal adapters, X.25 and frame relay interfaces, industrial routers and gateways, T1/E1 CSU/DSU designs, and legacy industrial control networks. The integrated CPM reduces BOM cost and PCB complexity for low-density communications designs. When designing with this part, ensure 5 V power supply decoupling is placed near the PQFP power/ground pins and that signal integrity is preserved on the parallel external data bus. Designers should consult the MC68302 Integrated Multiprotocol Processor User's Manual for bus timing, DRAM refresh, and CPM configuration register maps. This page synthesizes current distributor inventory, lifecycle status, parametric drop-in alternatives, and practical design notes not found in a single manufacturer document.

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