Microcontroladores

Produtos (19.000+)

MC68LK332ACEH16 - 32-bit CPU32 MCU, ROMless 132-PQFP | NXP
MC68LK332ACEH16

MC68LK332ACEH16 - 32-bit CPU32 MCU, ROMless 132-PQFP | NXP

The NXP (Freescale) MC68LK332ACEH16 is a 32-bit ROMless microcontroller based on the CPU32 core (M683xx family), operating at 16.78 MHz with 2 KB of on-chip RAM, housed in a 132-pin PQFP (24.13 x 24.13 mm) package. A 32-bit microcontroller is a complete computing system on a chip that integrates a processor core, memory, and peripheral subsystems. In the M683xx hierarchy, the MC68LK332 sits within the broader family of microcontroller units (MCUs) and embedded processors, succeeding the MC68332 architecture built on the industry-standard 68000 processor lineage. Key features include the highly-integrated modular architecture that connects standard modules through a common intermodule bus (IMB). The device incorporates a 32-bit CPU32 core, a System Integration Module (SIM), a Time Processing Unit (TPU) for autonomous timing and PWM tasks, and a Queued Serial Module (QSM) providing both a queued serial peripheral interface and a serial communications interface. Being ROMless, program code resides in external memory, making it ideal for prototyping and code-shadowing applications. Technically, the IMB-based modular design allows independent peripheral modules to share a common bus, enabling deterministic timing. The TPU offloads time-critical I/O tasks such as engine crank angle measurement and PWM generation from the CPU, while the QSM provides queued serial transfers with minimal CPU intervention. Typical applications include automotive engine and transmission control, industrial motor control, and embedded systems requiring rich timing functionality. This part is explicitly designated for automotive-class applications per distributor data. Design consideration: since the device is ROMless, external memory interface timing must be verified at 16.78 MHz bus speeds, and because the part is End-of-Life, new designs should plan a migration path. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

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MC68LK332GCAG16 - 32-Bit ColdFire MCU, ROMless, 144-LQFP | NXP
MC68LK332GCAG16

MC68LK332GCAG16 - 32-Bit ColdFire MCU, ROMless, 144-LQFP | NXP

The NXP MC68LK332GCAG16 is a 32-bit ColdFire M68300 family microcontroller (CPU32 core) at 16.78 MHz in a 144-pin LQFP (20x20 mm) package, supplied in tray. It is a ROMless industrial-grade variant of the MC68332, integrating 2 KB of RAM, a Time Processing Unit (TPU), and a Queued Serial Module (QSM) on the common intermodule bus (IMB), and is rated for 5V operation. The M68300 family belongs to the ColdFire / CPU32 lineage of 32-bit microcontrollers, which sit in the hierarchy MCU (microcontroller) -> embedded controller -> 32-bit microprocessor -> semiconductor IC. These parts were designed for high-performance data manipulation with powerful on-chip peripheral subsystems, bridging 8/16-bit legacy designs and modern 32-bit automotive/industrial compute platforms. Key features include a 32-bit CPU32 core with 16.78 MHz system clock, 2 KB on-chip SRAM (organized 2K x 8), 15 user I/O lines, internal oscillator, ROMless program memory (external memory interface required), and an integrated TPU for complex timing without CPU intervention plus a QSM for queued serial communications. The CPU32 instruction set is a restricted subset of the M68000 family, retaining 32-bit registers and addressing while reducing hardware complexity. Typical applications include industrial motion control (using TPU for PWM and angle decoding), automotive body and chassis ECUs (engine timing, anti-lock brake controllers, transmission controllers), serial-communications gateways leveraging the QSM, and legacy M68000 firmware ports. The wide 5V tolerance also makes it suitable for 5V industrial backplanes. When designing with this part, note that the 144-LQFP package exposes the full external memory bus; designers must add external program memory (EPROM/Flash) and decoupling per NXP application notes. The part is now in NXP's End-of-Life portfolio, so long-life production designs should plan for last-time-buy or migrate to a ColdFire V2/V3 successor.

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MC68LK332GCEH16 - 32-bit CPU32 MCU, 16.78MHz, 132-PQFP | NXP
MC68LK332GCEH16

MC68LK332GCEH16 - 32-bit CPU32 MCU, 16.78MHz, 132-PQFP | NXP

The NXP MC68LK332GCEH16 is a 32-bit CPU32 (M683xx family) microcontroller running at 16.78 MHz, integrating 2KB of on-chip RAM, a System Integration Module (SIM), a Time Processing Unit (TPU), and a Queued Serial Module (QSM) on a single die. Per NXP product page, this part is supplied in a 132-pin Bumpered PQFP (24.13 x 24.13 mm) tray package and is designated as ROMless, requiring external program memory. Background: A microcontroller (MCU) is a single-chip computer containing a CPU core, memory, and peripherals. The MC68332 family uses Freescale/NXP's CPU32 core - a 32-bit extension of the M68k architecture that retains full source compatibility with the 68000 instruction set while adding new instructions for embedded control. In the system hierarchy it sits as a microcontroller > 32-bit MCU > automotive/industrial MCU. Key features include the TPU, a dedicated co-processor that offloads complex timing tasks (PWM, pulse measurement, motor control) from the CPU, and the QSM, which provides queued serial communications (SPI and SCI) with DMA-style handshaking. The SIM integrates chip selects, interrupt controllers, and clock generation, drastically reducing external glue logic. The ROMless architecture allows designers to use external flash or EPROM, supporting legacy and custom boot configurations. Technical depth: Standard modules interface through the Intermodule Bus (IMB), a proprietary internal bus that decouples peripherals from the CPU. This architecture was industry-defining for modular embedded design in the 1990s and remains supported by long-lifecycle industrial and automotive customers. The part operates from a 5V supply, and the 16.78 MHz bus rate is derived from an internal oscillator. Typical applications include industrial motor control using TPU channels, automotive body and chassis controllers, robotics servo control, and legacy equipment retrofits. This page synthesizes NXP product information, distributor availability, drop-in alternatives, and design considerations not all found in the original datasheet.

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MC68MH360CAI25L - 25MHz QUICC M683xx MPU 240-FQFP | NXP
MC68MH360CAI25L

MC68MH360CAI25L - 25MHz QUICC M683xx MPU 240-FQFP | NXP

The NXP MC68MH360CAI25L is a CPU32+ microprocessor IC in the M683xx family, integrating one 32-bit core running at 25 MHz inside a 240-pin FQFP (32x32 mm) package. Marketed as a QUad Integrated Communications Controller (QUICC), the part combines a CPU32+ core with two Serial Management Controllers (SMCs), one SPI controller, and the full complement of M683xx peripheral IP for embedded networking. The 'MH' speed-grade marking designates a 25 MHz industrial/temperature-grade device, and the 'L' suffix indicates a low-power CMOS process revision. Background: A microprocessor (MPU) is the central processing unit of an embedded system, executing system software and orchestrating peripherals via on-chip buses. The MC68MH360 belongs to NXP/Freescale's M683xx family, a mature 32-bit architecture built on the CPU32+ core derived from the original Motorola 68000 lineage. Within the broader taxonomy, the M683xx line sits as a mid-performance single-chip communications controller positioned between classic 8/16-bit MCUs and high-end PowerPC application processors; it is commonly classified as MPU > communications controller > RISC/CISC hybrid SoC. Key features include the 25 MHz CPU32+ core, 32-bit address and data paths, hardware multiply/divide support, two SMCs for UART-style communications, one dedicated SPI port, and a wide peripheral set that historically integrated Ethernet (on related QUICC variants), timer modules, and DRAM controllers. The 240-FQFP ceramic/plastic surface-mount package supports the dense pin-out required by this integrated feature set, including external memory bus and communications interfaces. Architecturally, the MC68MH360 combines a Harvard-style core with tightly-coupled peripherals and an external bus interface. The CPU32+ core offers 32-bit registers, supervisor/user modes, and an instruction set optimized for communications-protocol processing, while the on-chip peripherals offload DMA and serial framing tasks so the CPU can focus on routing/control duties. Typical applications include industrial routers and protocol converters, telecom multiplexer/bridge equipment, ISDN terminal adapters, industrial serial backbones, and embedded control nodes requiring multiple serial channels and an SPI master/slave in one chip. Its mature M683xx software ecosystem (68k toolchains, OS-9, VxWorks BSPs) makes it a long-life part for legacy and brownfield systems. Design consideration: the 240-FQFP package requires careful PCB layout with a multi-layer board for clean impedance control on the external memory bus; keep trace lengths matched within the MPU's bus timing budget to avoid setup/hold violations. This page synthesizes distributor pricing, drop-in alternatives within the QUICC family, and practical design notes that go beyond a single manufacturer datasheet excerpt.

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MC68MH360EM33L - 33MHz CPU32+ MPU, 240-FQFP | NXP
MC68MH360EM33L

MC68MH360EM33L - 33MHz CPU32+ MPU, 240-FQFP | NXP

The NXP (formerly Motorola/Freescale) MC68MH360EM33L is a CPU32+ microprocessor IC from the M683xx (QUICC) family featuring a single 32-bit core running at 33 MHz, housed in a 240-pin FQFP (32x32 mm) package with a low-power 'L' suffix designator. It integrates 1 QUICC communications processor module plus 2 SMC, 1 SPI, and on-chip networking peripherals targeting telecom, networking, and embedded control applications. A microprocessor (MPU) is an integrated circuit that contains the arithmetic logic unit (ALU), control unit, register set, and memory interface logic of a computer system on a single silicon die. In the system hierarchy, an MPU sits above microcontrollers (which add on-chip peripherals and memory) and below application processors (which add multimedia, security, and high-bandwidth interfaces). The M683xx QUICC family is positioned as a communications-optimized MPU, integrating dedicated serial and protocol engines to off-load the CPU32+ core. Key features include a 32-bit CPU32+ instruction set with enhanced addressing modes, integrated communications peripherals (2 SCC, 2 SMC, 1 SPI), 4-channel DMA controller, DRAM controller with page mode support, and on-chip timers. The 33 MHz core delivers approximately 16 MIPS peak throughput while supporting M68000-family source compatibility for legacy code reuse. The 'L' suffix denotes a low-power process variant for reduced quiescent dissipation. Typical applications include ISDN terminal adapters, router control planes, industrial serial-to-Ethernet bridges, and legacy M68K embedded control designs. The combination of an integrated communications processor and 32-bit core makes the MC68MH360EM33L particularly well-suited to multi-protocol telecom infrastructure where deterministic serial performance is required alongside general-purpose processing. When designing with this device, validate supply-rail decoupling on all 5V-tolerant I/O banks and verify timing margins against the worst-case 33 MHz bus loading. Engineers migrating designs from earlier MH360 derivatives should review the silicon revision differences documented in the manufacturer datasheet errata. This page synthesizes distributor inventory, parametric comparisons, and drop-in alternative guidance not consolidated in the manufacturer datasheet alone.

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MC68MH360VR25VL - 25MHz QUICC M683xx MPU 357-BGA | NXP
MC68MH360VR25VL

MC68MH360VR25VL - 25MHz QUICC M683xx MPU 357-BGA | NXP

The NXP MC68MH360VR25VL is a CPU32+ core microprocessor from the M683xx QUICC family, integrating a 32-bit core running at 25 MHz with a separate Communications Processor Module (CPM) inside a 357-ball PBGA package (25 x 25 mm). It is a versatile one-chip integrated microprocessor and peripheral combination used in communications-intensive controller applications, succeeding the MC68302 with higher performance across the device. The part exposes a DRAM controller, multiple serial communication controllers (SCCs), Ethernet, SPI, SMC and timers, enabling a compact BOM for routers, bridges, and embedded telecom designs. What is a MPU with an integrated CPM? A microprocessor unit (MPU) executes program code while the Communications Processor Module (CPM) offloads serial and networking protocol work, allowing the core to focus on application logic. Within the broader hierarchy, the MC68MH360VR25VL is a microprocessor -> 32-bit MPU -> integrated communications controller -> embedded SoC. This architecture became the foundation of Freescale/NXP's QUICC and later PowerQUICC families. Key features include 25 MHz CPU32+ core, integrated CPM with multi-channel QMC supporting up to 64 logical channels, 10 Mbps Ethernet MAC, DRAM controller, and a 357-ball PBGA package for high-density board designs. Operating voltage is 3.3 V with 5 V tolerant I/O on selected pins per the M683xx family specification. The device uses a Harvard-style CPU32+ core coupled to the CPM via dual-port internal RAM. The QMC (QUICC Multi-Channel) controller emulates up to 64 logical channels within one SCC using time-division multiplexing (TDM), enabling ISDN, HDLC, and other channelized protocols without external glue logic. A bus arbiter supports external masters and the on-chip DMA. Typical applications include telecommunications line cards, ISDN modem pools, industrial Ethernet bridges, and legacy SCADA controllers. The 25 MHz core suits deterministic bit-banged I/O and small embedded protocol stacks where modern Cortex-M parts would over-engineer the cost target. When designing with this part, allocate generous PCB area for the 357-ball PBGA (25 x 25 mm) and follow NXP's recommended decoupling scheme; supply sequencing for 3.3 V core and I/O rails must be respected to avoid bus contention. Lead-free reflow profiles (JEDEC J-STD-020) are required. This page synthesizes distributor stock levels, packaging variants, and drop-in compatible alternatives not consolidated in the manufacturer datasheet, helping sourcing engineers navigate the EOL transition noted on the NXP product page.

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MC68MH360ZP33L - 33MHz CPU32+ MPU | NXP | 357-BGA
MC68MH360ZP33L

MC68MH360ZP33L - 33MHz CPU32+ MPU | NXP | 357-BGA

The NXP MC68MH360ZP33L is a 33 MHz CPU32+ microprocessor IC in the M683xx family, integrating a 32-bit core with a Communications Processor Module (CPM) in a 357-pin PBGA (25 x 25 mm) package. Operating from a 5 V supply, the part targets embedded networking, telecom, and industrial control designs where deterministic 32-bit performance, on-chip peripherals, and a single processor core simplify board layout. A microprocessor (MPU) like the MC68MH360ZP33L belongs to the integrated circuit hierarchy: MPU > microprocessor > embedded processor > digital IC > semiconductor. Unlike microcontrollers (MCUs), an MPU relies on external memory (DRAM, SRAM, ROM/Flash) and peripherals, which lets designers scale memory bandwidth and footprint independently of the CPU. The M683xx line is the legacy evolution of the original Motorola 68000 architecture, preserving binary compatibility with the 68k family while integrating peripherals on-chip. Key features include a 33 MHz CPU32+ core (32-bit internal datapath with 16-bit external instruction fetch), integrated Communications Processor Module (CPM) supporting serial and Ethernet-style networking, DRAM controller, 10 Mbps Ethernet MAC, and programmable chip-select / interrupt logic. The CPM offloads DMA, SCC, and SCC-like channels from the core, enabling sustained communication throughput without burdening the CPU. The part is specified over the standard industrial temperature range. The architecture combines a CPU32+ integer core with a separate RISC-style CPM running from the same 33 MHz clock. The CPM has its own instruction set and DMA engine for communications channels, which is why M683xx parts are still used in legacy telecom and serial-multiplexing designs. The MMU-free flat memory model simplifies porting code from older 68k designs. Typical applications include industrial serial routers, legacy telecom multiplexers, protocol converters, factory automation controllers, and embedded networking appliances that require deterministic 32-bit performance with on-chip Ethernet and serial channels. The integrated CPM eliminates an external serial controller, reducing BOM cost on multi-port designs. When designing with the MC68MH360ZP33L, provide clean 5 V power with bulk decoupling near the BGA, follow the IBIS-validated break-out pattern on inner layers, and ensure the 33 MHz system bus timing matches the slowest external memory device. Use the CPM interrupt controller for deterministic serial latency. This page synthesizes distributor pricing, lifecycle status, and practical design context not found in the manufacturer datasheet alone.

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MC68MH360ZQ25VL - QUICC 32-Bit 25MHz MPU 357-PBGA | NXP
MC68MH360ZQ25VL

MC68MH360ZQ25VL - QUICC 32-Bit 25MHz MPU 357-PBGA | NXP

The NXP MC68MH360ZQ25VL is a member of the Freescale/NXP M683xx QUICC (Quad Integrated Communication Controller) family, integrating a CPU32+ core and a CPM (Communications Processor Module) into a single 357-pin PBGA package measuring 25x25 mm. The MC68MH360ZQ25VL runs at 25 MHz with a 32-bit data path and includes 2 SMC (Serial Management Controllers) and 1 SPI channel on the integrated peripheral set, making it a drop-in fit for legacy router, telecom, and industrial control designs. What is a QUICC processor? A QUICC is a one-chip integrated microprocessor plus peripheral combination that pairs a CPU32+ core with a dedicated communications processor module (CPM) to offload serial, networking, and protocol tasks from the main CPU. It is part of the broader ColdFire/M68K microprocessor hierarchy under the umbrella of 32-bit microprocessors (MPU) and embedded communications ICs, historically used in router line cards, WAN access multiplexers, and industrial serial concentrators. Key features of the MC68MH360ZQ25VL include its 0.57 micrometer CMOS process technology, 25 MHz core clock, integrated 10 Mbps Ethernet MAC, DRAM controller, and 2 SMC + 1 SPI peripheral complement. The CPM contains its own RISC engine that handles the SCCs (Serial Communication Channels) and serial protocol DMA, which historically allowed the device to terminate HDLC, transparent, UART, and other telecom framing without burdening the CPU32+ core. The architecture separates control-plane and data-plane processing: the CPU32+ executes the host operating system or control stack while the CPM handles time-critical serial bit processing in parallel. This dual-engine design gives the QUICC family deterministic throughput for multi-channel serial I/O, which is why these parts remain in service in long-lifecycle industrial and telecom equipment where deterministic serial behavior outweighs raw CPU clock speed. Typical applications include router WAN interface cards, ISDN modem pools, telecom multiplexer line cards, industrial serial concentrators, SCADA remote terminal units, and legacy POS/ATM networking hubs. The integrated Ethernet MAC and DRAM controller let designers reduce board complexity, while the CPM removes the need for an external protocol-handling ASIC. When designing with this MPU, ensure the 357-PBGA land pattern is faithfully reproduced and that the JTAG/BDM signals (BKPT, DSCLK, DSI, DSO) are accessible for in-circuit debug. Decouple VCC and VCCS supplies with low-ESR ceramic capacitors placed close to the package, and follow NXP errata for the M68360 family to avoid known CPM silicon issues. This page synthesizes distributor pricing, drop-in QUICC alternatives (MC68EN360ZQ25VL and speed/voltage variants), and practical design notes not consolidated on a single manufacturer page.

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MC68P11E1CFN2R2 - 8-Bit 2 MHz ROMless 52-PLCC MCU
MC68P11E1CFN2R2

MC68P11E1CFN2R2 - 8-Bit 2 MHz ROMless 52-PLCC MCU

The Freescale Semiconductor MC68P11E1CFN2R2 is an 8-bit HC11-family microcontroller operating at 2 MHz in a 52-pin PLCC package. It is ROMless, so an external program-memory device is required, and the verified distributor record identifies a 512 x 8 memory configuration. Its PLCC package measures 19.13 mm by 19.13 mm and targets embedded-control systems that need deterministic 8-bit processing in a surface-mount package. A microcontroller is a programmable semiconductor that integrates a CPU core, memory interfaces, and peripheral functions into one component. The MC68P11E1CFN2R2 belongs to the HC11 family, commonly described as an 8-bit MCU or embedded controller. Its ROMless architecture separates program storage from the MCU, allowing firmware size and memory technology to be selected according to the product requirements rather than being fixed inside the device. The key verified characteristics are the 2 MHz operating frequency, ROMless configuration, 512 x 8 memory size, 8-bit CPU architecture, and 52-pin PLCC package. The 2 MHz clock provides a straightforward execution platform for control loops, keypad or interface scanning, state machines, and supervisory functions. Because the available evidence does not include the complete electrical limits, peripheral inventory, memory map, timing details, or environmental ratings, those specifications remain marked as data needed rather than being inferred. The M68HC11E/D family architecture places the MCU within a broader embedded processor hierarchy: microcontroller, embedded controller, microprocessor, and semiconductor. External program memory is especially relevant when a design needs field-updatable firmware, reusable boot code, or a memory organization different from the MCU’s internal architecture. Designers should verify the external bus, address decoding, reset behavior, and toolchain compatibility against the manufacturer documentation before committing the board layout. Typical uses include industrial equipment, legacy control systems, test fixtures, motor or process supervisory controllers, and embedded products that already use the HC11 ecosystem. The 52-pin PLCC package is useful when a compact leaded-grid footprint is desired, but it is not a modern fine-pitch package. Production sourcing should account for the part’s age and the possibility that inventory is limited or sourced from specialist distributors. For a new design, do not assume that every HC11 part is interchangeable. Confirm package pinout, memory configuration, clock requirements, peripheral resources, voltage limits, and external-memory timing. For a replacement, treat the manufacturer or a qualified distributor record as the source of truth and preserve the original footprint unless a deliberate redesign has been validated. This product record combines verified distributor specifications, source links, selection guidance, and explicit data gaps so engineers can distinguish documented facts from parameters that still require verification before PCB release or production approval.

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MC68SEC000AA10 - 32-Bit 10MHz HCMOS Static MPU | NXP | QFP-64
MC68SEC000AA10

MC68SEC000AA10 - 32-Bit 10MHz HCMOS Static MPU | NXP | QFP-64

The NXP MC68SEC000AA10 is a 32-bit HCMOS static microprocessor (MPU) from the M68000 family, operating at 10 MHz and housed in a 64-pin QFP (14x14 mm) package. It delivers 32-bit internal processing with 8/16-bit selectable external data bus, 4 GByte linear address space, and is a static design that supports DC to 10 MHz operation including full clock stop, making it suitable for low-power and battery-backed designs. A microprocessor (MPU) is an integrated circuit that contains the central processing unit (CPU) of a computer or embedded system. The M68000 microprocessor family, originally introduced by Motorola in 1979, is a 32-bit CISC architecture widely used in industrial control, automotive, networking, and legacy embedded systems. The MC68SEC000 is a static, low-power HCMOS variant of the original MC68000, allowing the clock to be stopped for power-saving modes, and it is pin-compatible with the MC68EC000, providing a cost-effective entry into the 32-bit M68000 ecosystem. Key features of the MC68SEC000AA10 include 32-bit internal data and address registers, 16 32-bit data registers and eight 32-bit address registers, an instruction set with 14 addressing modes and seven data types, and a static core that allows clock frequencies down to DC. The bus interface supports 8-bit and 16-bit dynamic bus sizing to allow communication with 8-bit or 16-bit peripherals without glue logic. Built-in features include an interrupt controller, a UART-like serial port on some variants, and seven autovectored interrupt levels. Architecturally, the MC68SEC000AA10 uses a HCMOS process that dramatically reduces power consumption compared to the original NMOS MC68000, while remaining instruction-set and bus-compatible. The static core means the clock can be stopped at any phase and restarted without losing state, a key requirement for portable or battery-powered industrial equipment. The internal 32-bit datapath is exposed to the outside as either an 8-bit or 16-bit external data bus, configurable at reset via two pins, which keeps memory and peripheral costs low. Typical applications include industrial control systems, factory automation PLCs, point-of-sale terminals, telecom switching equipment, automotive body and chassis controllers, legacy embedded computing platforms, medical instrumentation, and battery-powered or solar-powered remote data acquisition units. The wide third-party support base (compilers, RTOSes, debug tools) makes the M68000 family a popular choice for long-lifecycle designs. When designing with the MC68SEC000AA10, verify that the supply voltage (5 V), clock input (up to 10 MHz), and reset/address-error / bus-error signal handling follow the standard M68000 bus protocol. Designers must also include proper bus arbitration logic for DMA or multi-master systems. This page synthesizes distributor stock, lifecycle, and pricing data with practical design guidance not found in the manufacturer product brief alone, helping engineers decide whether to specify, substitute, or phase out this part.

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MC68SEC000AA20 - 32-bit M68k MPU 20MHz 64-QFP | NXP / Freescale
MC68SEC000AA20

MC68SEC000AA20 - 32-bit M68k MPU 20MHz 64-QFP | NXP / Freescale

The NXP/Freescale MC68SEC000AA20 is a static 32-bit microprocessor from the M68000 family, operating at 20 MHz with a 32-bit internal architecture, and housed in a 64-pin QFP (14x14 mm) surface-mount package. It is a low-cost, low-power entry point into the M68k instruction set, originally offered by Motorola and continued by Freescale (now part of NXP). An M68k microprocessor (often called 68000 or 68k) is a CISC 32-bit processor with a 16-bit external data bus, popular in early Apple Macintosh computers, Atari ST, Sega Genesis, Amiga, and countless embedded systems. The M68k family sits in the hierarchy as: MPU -> microprocessor -> processor IC -> semiconductor. Within the M68k lineage, the SEC000 variant is the static, low-power CMOS variant of the original NMOS MC68000, and is itself an evolution of the MC68EC000. Key features of the MC68SEC000AA20 include full static operation (clock can be stopped), 16-bit external data bus with 24-bit address bus, eight 32-bit data registers and eight 32-bit address registers, seven user-visible addressing modes, and 14 addressing modes total, plus supervisor/user privilege levels with a separate stack pointer. Static design enables ultra-low-power standby, ideal for battery-backed industrial controllers and instrumentation. The architecture uses a microcoded CISC pipeline that executes every 68k instruction set natively. Two supervisor stack pointers (SSP/USP) and two operating modes are provided. The device supports a synchronous bus for direct interface to peripherals, and asynchronous bus for compatibility with older 68k designs. The 20 MHz version delivers approximately 5 MIPS sustained throughput. Typical applications include industrial control, embedded instrumentation, legacy 68k system maintenance and refurbishment, point-of-sale terminals, telecom line cards, and aerospace systems where the mature 68k toolchain is mandated. It is also used to extend the lifecycle of older designs where a pin-compatible static part replaces an older dynamic MC68000 or MC68EC000. A key design consideration when migrating to the SEC000 is verifying timing compatibility: the static core allows the clock to be slowed or stopped entirely for power saving, but any wait-state insertion logic and bus arbitration timing must still match the EC000 reference. The 64-QFP footprint is compatible with the original MC68EC000 64-pin QFP, but the PGA versions (e.g. MC68HC000RC12) are NOT pin-compatible. This page synthesizes distributor pricing, lifecycle status from NXP, drop-in alternatives from the same M68k family, and practical design notes not aggregated in any single manufacturer publication.

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MC68SEC000AA20R2 - 32-Bit M68000 Static MPU, 20MHz, 64-QFP | NXP
MC68SEC000AA20R2

MC68SEC000AA20R2 - 32-Bit M68000 Static MPU, 20MHz, 64-QFP | NXP

The NXP MC68SEC000AA20R2 is a 32-bit HCMOS static microprocessor from the M68000 family, operating at 20 MHz in a 64-pin QFP (14x14 mm) package. The MC68SEC000 is the lowest-cost static entry point to 32-bit processing, sharing full instruction-set and peripheral compatibility with the MC68000 while consuming far less power than the original NMOS part. A microprocessor (MPU) is the master computational element in an embedded system, integrating a 32-bit ALU, address and data registers, exception logic, and bus interface in a single IC. The M68000 architecture sits inside the broader taxonomy of microprocessor -> CPU -> digital logic IC -> semiconductor, and the EC000/SEC000 lines specifically target cost-sensitive embedded applications where static (clockless) operation simplifies design and enables low-power sleep modes. The MC68SEC000 variant adds HCMOS construction for substantially reduced power versus the original MC68000 NMOS design. Key features include a 32-bit internal architecture with a 24-bit address bus, 16-bit external data bus, 8/16/32-bit selectable data-bus modes in some variants, eight 32-bit data registers, eight 32-bit address registers, and 56 instruction types supporting 14 addressing modes. Static operation eliminates minimum clock frequency, supports full DC-to-rated-MHz operation, and integrates power-saving HCMOS logic. The SEC000 is fully pin-for-pin compatible with the MC68EC000, allowing direct board-level substitution without rework. The 20 MHz clock, 24-bit address space (16 MB), and 32-bit internal datapath deliver roughly 10 MIPS of sustained throughput, more than enough for industrial controllers, automotive body modules, telecom control planes, and legacy computing upgrades. The static core allows wait-state insertion and clock stretching for slow peripherals. Typical applications include industrial automation controllers, telecom control processors, automotive body and chassis ECUs, motor control front-ends, point-of-sale terminals, and legacy M68000 upgrades where low cost and pin-compatibility with the MC68EC000 are required. When designing with this part, allocate a 64-pin QFP PCB land pattern and provide a stable 3.3V or 5V rail with decoupling near each VDD/VSS pair. Add proper bus termination for the address/data bus at 20 MHz to avoid ringing on long traces. This page synthesizes distributor pricing, pin-compatible SEC000 alternatives, and PCB-layout guidance not always consolidated in the original product brief.

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MC68SEC000AE16 - 32-Bit 16MHz Static MPU | NXP/Freescale | LQFP-64
MC68SEC000AE16

MC68SEC000AE16 - 32-Bit 16MHz Static MPU | NXP/Freescale | LQFP-64

The NXP / Freescale MC68SEC000AE16 is a HCMOS static 32-bit microprocessor from the M68000 family, operating at 16 MHz in a 64-pin LQFP (10x10 mm) surface-mount package. As a member of the EC000 series, it provides the lowest-cost entry point to 32-bit M68000 processing, with the SEC000 suffix denoting a fully static core that can stop the clock indefinitely without losing internal state. A microprocessor (MPU) is an integrated processor that fetches, decodes, and executes instructions from external memory, distinguishing it from a microcontroller (MCU) which integrates peripherals and memory on-chip. The M68000 architecture is a 32-bit CISC ISA with a 16-bit external data bus and 24-bit external address bus on this variant, originally introduced in 1979 and still deployed in long-lifecycle industrial, automotive, and aerospace systems. The MC68SEC000 sits in the broader taxonomy: 32-bit microprocessor -> M68000 family -> CISC CPU -> processor IC -> semiconductor. Key features include a 16 MHz maximum clock, fully static operation for clock-stopped low-power modes, 8-/16-bit selectable external data bus, 24-bit address bus (16 MB linear address space), seven 32-bit data registers and eight 32-bit address registers (A0-A7 plus user stack pointer), six programmable interrupt priority levels, and pin-for-pin compatibility with the MC68EC000. The device supports the full M68000 instruction set including multiply and divide, and bus arbitration logic is integrated for multimaster systems. Architecturally, the MC68SEC000AE16 uses a HCMOS process, with separated 16-bit data and 24-bit address buses. The static core allows the CLK signal to be stopped for indefinite periods without state loss, enabling sleep modes in battery-backed industrial installations. The 16 MHz version delivers approximately 2.1 MIPS sustained throughput and is the highest-speed grade available in the SEC000 family. Typical applications include industrial control PLCs, factory automation controllers, medical instrumentation, point-of-sale terminals, aerospace flight control retrofits, automotive body controllers, embedded instrumentation, and legacy communications equipment. The combination of 32-bit processing power with low static power consumption makes it ideal for systems that need M68000 software compatibility with relaxed thermal budgets. Design consideration: the MC68SEC000AE16 requires an external clock source (crystal or oscillator) on the CLK pin, and external bus logic for memory and peripherals. The fully static core permits clock stretching or complete clock stop for low-power standby without losing register state - a key differentiator versus the older MC68000 which was not static. This page synthesizes distributor pricing, pin-compatible drop-in alternatives within the M68000 family, and practical design notes for static low-power operation not directly stated in a single manufacturer datasheet.

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MC68SEC000AE20 - 20MHz Static 32-bit MPU, 64-LQFP | NXP Semiconductors
MC68SEC000AE20

MC68SEC000AE20 - 20MHz Static 32-bit MPU, 64-LQFP | NXP Semiconductors

The NXP Semiconductors MC68SEC000AE20 is a static 32-bit microprocessor from the M68000 (M68K) family, operating at 20 MHz and housed in a 64-pin LQFP (10x10 mm) surface-mount package. Marketed by NXP as the industry's lowest-cost 32-bit microprocessor, the MC68SEC000 is the static, low-power variant of the EC000 line, integrating an EC000 CPU core with one 32-bit core, a 32-bit instruction set, and a fully static design that allows the clock to be stopped without losing register state. A microprocessor (MPU) is a CPU-centric integrated circuit that requires external memory (RAM, ROM/Flash) and peripheral glue logic to form a complete computer system, in contrast to a microcontroller (MCU) which integrates memory and peripherals on-chip. The MC68SEC000 sits in the M68K family hierarchy: EC000 -> MC68000 -> ColdFire -> modern Power Architecture, with each generation preserving software compatibility at the instruction-set level. As a member of the power management / processing category, this static MPU enables low-power designs in industrial control, automotive, and embedded systems where deterministic clock gating is required. Key features of the MC68SEC000AE20 include 32-bit internal data paths, a 24-bit address bus (16 MB linear address space), a 16-bit external data bus, eight 32-bit general-purpose data registers, seven 32-bit address registers, six internal interrupt levels plus a non-maskable interrupt, a static CMOS process for low quiescent current, and TTL-compatible I/O. The 20 MHz clock rate sustains approximately 2 MIPS of sustained throughput for typical instruction mixes, while full static operation allows designers to halt the clock in sleep mode to minimize power in battery-backed applications. Architecturally, the MC68SEC000 uses a microcoded M68K instruction pipeline with prefetch and bus arbitration logic, supporting vectored autovector interrupts, supervisor/user privilege levels, and Motorola peripheral bus cycles. Compared with the original MC68000, the SEC000 variant retains software compatibility while adding fully-static operation, allowing clock frequencies to be reduced to DC for true standby. Compared with the original CMOS MC68HC000, the SEC000 further trims power by removing dynamic refresh requirements, making it suitable for portable or solar-powered embedded products. Typical applications include industrial automation controllers, point-of-sale terminals, medical instrumentation front-ends, automotive body and chassis ECUs (with external watchdog), legacy 16-bit bus peripheral hubs, and educational microprocessor training platforms. The 64-LQFP package also makes the part straightforward to assemble on standard SMT lines and rework on existing 68SEC000 designs. When designing with the MC68SEC000AE20, ensure that asynchronous bus cycles are correctly terminated and that the static clock can be gated in software or via an external power-management controller to take full advantage of the device's low-power standby capability. Pairing the MPU with a TTL bus transceivers and a hardware watchdog supervisor is recommended for safety-critical applications. This page synthesizes distributor stock, pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone.

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MC68SEC000CAA10 - 10MHz 32-Bit M68000 MPU | NXP | 64-QFP
MC68SEC000CAA10

MC68SEC000CAA10 - 10MHz 32-Bit M68000 MPU | NXP | 64-QFP

The NXP Semiconductors / Freescale MC68SEC000CAA10 is a low-power 32-bit M680x0 microprocessor operating at 10 MHz, housed in a 64-pin PQFP package (14x14 mm). It is a static CMOS implementation of the M68000 architecture targeted at battery-powered and portable embedded designs where reduced power consumption versus the original MC68000 matters most. A microprocessor (MPU) is the central processing unit of an embedded system, executing instruction fetch/decode cycles, managing the address and data buses, and orchestrating peripherals. The M68k family traces its lineage to the original MC68000, a 32-bit CISC architecture with 32-bit internal registers, a 16-bit external data bus, and a 24-bit address bus. Within the broader IC taxonomy, an MPU sits above microcontrollers (which integrate memory and peripherals), is more capable than digital signal processors for general-purpose control, and historically precedes modern ARM-based application processors. The MC68SEC000 is the 'static' low-power cousin intended for clock-throttling and stop-modes unavailable on the dynamic original. Key features include 32-bit internal data paths with a 16-bit external data bus (D0-D15), a 24-bit external address bus (A1-A23) supporting up to 16 MB linear addressing, seven 32-bit general-purpose data registers (D0-D6) and eight 32-bit address registers (A0-A7), and a supervisor stack pointer A7'. The 10 MHz clock rate with 32-bit internal execution yields approximately 1.0 MIPS sustained throughput under typical instruction mixes. The static core allows the clock to be throttled or stopped entirely without losing state, enabling deep power-saving modes. The device integrates asynchronous bus arbitration, a function code output (FC0-FC2) for distinguishing user/supervisor and program/data access cycles, an interrupt controller interface accepting seven interrupt priority levels (IPL0-IPL2 plus encoded vector), and Motorola bus-error/time-out halt logic. It runs the full M68000 instruction set including multiply, divide, and binary-coded decimal operations, retained from the original architecture for source-code and binary compatibility with existing 68k systems. Typical applications include portable measurement equipment, battery-powered industrial handhelds, industrial process controllers, embedded M68k retrofit designs where MC68000 power draw is unacceptable, legacy industrial control upgrades, and educational / hobbyist retrocomputing platforms. Low quiescent current and static-clock capability also suit it to solar or energy-harvesting edge nodes running the M68k instruction set. When designing with this part, place a 10 MHz fundamental-mode crystal or clock source on CLK with appropriate load capacitance, and add a pull-up resistor on /HALT and /RESET to ensure defined power-on state. Static-operation enables clock scaling down to DC for ultra-low-power sleep with instant wake, provided bus-hold logic retains peripheral state. This page synthesizes distributor pricing, drop-in same-package alternatives, and practical design notes not found in the manufacturer datasheet alone, including a comparison table quantifying differences against pin-compatible 68k family variants.

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MC68SEC000CAA16-FR - 16MHz 32-bit M68K Static MPU | NXP | 64-QFP
MC68SEC000CAA16-FR

MC68SEC000CAA16-FR - 16MHz 32-bit M68K Static MPU | NXP | 64-QFP

The NXP (formerly Freescale/Motorola) MC68SEC000CAA16-FR is a 32-bit M68000-family microprocessor delivering 16 MHz core clock speed in a 64-pin QFP (14x14 mm) package. Designed as the static, low-power variant of the classic MC68000 instruction set, the SEC000 retains full object-code compatibility with the M68K architecture while enabling low-power embedded and battery-backed designs where the clock can be stopped without losing state. An M68000 microprocessor (MPU) is a member of the classic 32-bit CISC family originally introduced by Motorola in 1979. It executes the M68K ISA with 32-bit internal registers, a linear 32-bit address space, and an external 16-bit (or 8-bit, on HC001) data bus. The MC68SEC000 is the static core: a hardware design may halt CLK to suspend execution at near-zero power, then resume without losing register/memory contents — a feature the original dynamic MC68000 lacked. Within the family taxonomy it sits as: MC68SEC000 -> SEC000 variant -> EC000 family -> M68K MPUs -> 32-bit embedded processors. Key features include 16 MHz maximum operating frequency, a 32-bit programming model with eight data registers and eight address registers, 56 distinct instruction types, seven addressing modes, and a 24-bit external address bus supporting 16 MB of linear addressing. The processor provides a supervisor/user privilege model, a 7-level interrupt structure with vectored interrupts, and a 32-bit barrel shifter. It supports both 3.3 V and 5 V supply operation per the verified listing, with low-power CMOS implementation that allows clock-stopped operation for energy-sensitive applications. Typical applications include industrial control systems, legacy M68K retro-computing platforms, embedded instrumentation, point-of-sale terminals, factory automation controllers, and aerospace/defense systems requiring deterministic M68K software execution at moderate clock rates. When designing with this MPU, allocate the full 24-bit address range to memory-mapped peripherals and external ROM/RAM, and verify glue logic against the asynchronous bus timing diagrams in the Motorola M68000 Family User Manual. This page synthesizes cross-vendor distributor pricing, same-family pin-compatible NXP variants, and applied design notes for sustaining engineering — content not aggregated by any single distributor product page.

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MC68SEC000FU16 - 16MHz 32-bit M680x0 MPU | Freescale/NXP
MC68SEC000FU16

MC68SEC000FU16 - 16MHz 32-bit M680x0 MPU | Freescale/NXP

The Freescale/NXP MC68SEC000FU16 is a 32-bit M680x0 microprocessor that delivers 16 MHz static operation in a 64-pin QFP (14x14 mm) package. It is engineered as a low-cost, low-power entry point into 32-bit processing with an internal 32-bit architecture optimized for embedded systems. The HCMOS static core supports either 3.3V or 5V I/O operation, and the package designation FU16 corresponds to a 64-lead QFP tray packaging option. A microprocessor (MPU) is a programmable digital logic device that fetches, decodes, and executes instructions from external memory; it sits at the top of the embedded control hierarchy (microprocessor -> CPU -> processing unit -> semiconductor IC) and provides general-purpose compute resources for systems that need more headroom than a microcontroller offers. The MC68SEC000 family specifically brings full 32-bit internal datapath and 32-bit registers to low-cost designs, while the SEC variant uses static HCMOS design rules to enable clock-stopping for power-critical applications. Key features of the MC68SEC000FU16 include a 16-bit external data bus with a 24-bit address bus (16 Mbyte linear address space), sixteen 32-bit data and address registers, seven user-visible addressing modes, and direct memory access (DMA) support. The processor supports 56 instruction types, includes a hardware multiply and divide unit, and is binary compatible with the original MC68000 instruction set. The static design lets designers stop the clock indefinitely without losing internal state, simplifying low-power sleep modes and step-debug operation. From an architectural perspective, the SEC000 variant removes the dynamic bus arbitration features of the original MC68000 in favor of a simplified static interface, which reduces silicon area and power while preserving software compatibility. The 3.3V/5V tolerant I/O ring allows legacy 5V peripherals to coexist with modern 3.3V logic without external level shifters, easing migration of existing MC68000 designs. Typical applications include industrial controllers, point-of-sale terminals, automotive body and chassis modules, communications peripherals, low-power handheld instruments, and legacy MC68000 socket upgrades where direct replacement is required. Because the SEC000 is pin-for-pin compatible with the EC000, designers can drop it into existing boards as an upgrade path for static or low-power operation. When designing with this device, ensure that the system clock can be gated cleanly when entering sleep mode to maximize the power benefit of the static core. Validate that the 3.3V/5V I/O configuration matches your peripheral logic levels to avoid contention on shared buses. This page synthesizes distributor inventory snapshots, drop-in pin-compatible alternatives, and design notes that complement (but do not replace) the NXP/Freescale MC68SEC000 product brief and the M68000 family reference manual.

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MC68SEC000FU20R2 - 32-Bit 20MHz M68000 MPU | Freescale | 64-QFP
MC68SEC000FU20R2

MC68SEC000FU20R2 - 32-Bit 20MHz M68000 MPU | Freescale | 64-QFP

The NXP Semiconductors (formerly Motorola / Freescale) MC68SEC000FU20R2 is a 32-bit M68000-family microprocessor IC, fully static, operating at up to 20 MHz, in a 64-pin QFP (14x14 mm) surface-mount package. It is the low-power "E" (Enhanced) variant of the MC68000, designed for portable and battery-operated products where the original MC68000's dynamic logic would consume too much power. One core, one thread, classic von Neumann M68000 instruction set with 32-bit internal registers and a 16-bit external data bus. A microprocessor (MPU) is the central execution unit of an embedded computing system, fetching instructions from external program memory, decoding them, and driving peripheral controllers through address and data buses. The M68000 family occupies a well-defined place in the taxonomy: MPU -> 32-bit microprocessor -> CISC -> M68000 family -> low-power static core (68SEC000). It remains popular in legacy industrial controllers, avionics, and educational systems where software compatibility with the classic 68k instruction set is mandatory. Key features of the MC68SEC000FU20R2 include a fully static HCMOS implementation that allows the clock to be stopped without losing internal state, support for 8-, 16-, and 32-bit data bus sizing through the S0/S1 pins, a 24-bit address bus providing 16 MByte of linear addressing, and seven autovectored interrupt levels plus a separate non-maskable interrupt. The device requires a single 5 V supply, eliminating the -12 V rail needed by the original MC68000. From an architectural standpoint, the MC68SEC000 is a pin-compatible, low-power re-implementation of the MC68HC000, with the same instruction set, programmer's model, and memory map. Designers moving legacy 68k code to a battery-powered platform can drop the MC68SEC000FU20R2 onto an existing 64-QFP footprint without firmware changes. Typical latency-sensitive primitives (interrupt acknowledge, bus arbitration) match the HC000 cycle-for-cycle. Typical applications include portable data-acquisition terminals, handheld industrial instruments, low-power embedded controllers, educational 68k trainer boards, and legacy avionics retrofit cards. The wide operating temperature range and static core also make it suitable for ruggedised field equipment that must idle at sub-mW levels between samples. When designing with the MC68SEC000FU20R2, ensure the clock-stop low time does not exceed the device's static-leakage budget at elevated temperature, and add bulk decoupling near each VCC/VSS pair. Because the part is now sourced through authorised distributors and the open market rather than direct from the original manufacturer, expect longer lead times and verify date codes carefully. This page synthesises distributor pricing, drop-in pin-compatible alternatives, and practical design notes not found on a single manufacturer datasheet - useful for engineers maintaining legacy 68k platforms.

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MC68SECCFU20B1-FR - 32-bit M68000 Microprocessor, 20 MHz | Freescale
MC68SECCFU20B1-FR

MC68SECCFU20B1-FR - 32-bit M68000 Microprocessor, 20 MHz | Freescale

The Freescale Semiconductor (NXP legacy) MC68SECCFU20B1-FR is a 32-bit M680x0 family microprocessor IC housed in a CQFP (Ceramic Quad Flat Pack) package, operating at 20 MHz with a 32-bit data bus and 32-bit address bus. Designed around the classic Motorola 68020 CPU core, this part targets embedded and industrial applications requiring deterministic 32-bit processing in a hermetic, high-reliability ceramic package suitable for military and aerospace temperature grades. A microprocessor (MPU) is the central processing unit of an embedded computer system, integrating the arithmetic logic unit, control unit, registers, and bus interfaces on a single IC. The MC68SECCFU20B1-FR sits inside the broader taxonomy as microprocessor -> 32-bit MPU -> CISC processor (Complex Instruction Set Computer) -> M680x0 family -> embedded processor. The -SEC suffix traditionally denotes a screened or specified-environment variant, indicating hardened construction for demanding thermal and reliability profiles, while the -FR suffix indicates the supplied packaging format. Key features include a 32-bit internal and external data path, 32-bit linear address space (4 GB), 20 MHz maximum clock, separate 32-bit instruction and data caches (in line with the 68020 Harvard-style architecture), and a multiply/divide unit supporting 32x32->64 and 64/32->32 operations in a small number of cycles. The CQFP (windowed/ceramic) package provides hermetic sealing and is targeted at defense and aerospace embedded systems where plastic packages are not acceptable. The architecture is a true 32-bit CISC design with eight general-purpose 32-bit data registers and eight 32-bit address registers, an orthogonal instruction set, and a barrel shifter. The 68020 was Freescale/Motorola's first full 32-bit 680x0 MPU, adding instruction pipelining, virtual memory support via an MMU (68851 companion), and dynamic bus sizing for 8/16/32-bit peripherals on the same memory bus. Typical applications include military/aerospace embedded controllers, industrial automation PLCs, high-reliability medical instrumentation, avionics mission computers, and legacy VMEbus systems. The CQFP package and SEC screening profile make it a drop-in for designs originally specified to MIL-STD-883 or similar reliability programs. When designing with this part, pay particular attention to the CQFP socket or solder process because ceramic flat packs are not generally compatible with standard reflow profiles used for plastic QFP devices. Use a hermetic-compatible thermal profile and inspect solder joints per IPC-A-610 Class 3 if the application grade demands it. This page synthesizes distributor pricing, lifecycle signals (the part is listed as Obsolete / Last Time Buy at Freescale and is now sourced through authorized aftermarket distributors), drop-in alternates from the M68020 family, and practical design notes not aggregated on any single manufacturer page.

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MC68VZ328CVP - 33MHz 32-Bit M68K MPU | 144-MAPBGA | NXP
MC68VZ328CVP

MC68VZ328CVP - 33MHz 32-Bit M68K MPU | 144-MAPBGA | NXP

The NXP MC68VZ328CVP is a 33 MHz 32-bit microprocessor from the Freescale/NXP M683xx (DragonBall) family, integrating a 68000-derived CPU core with system-on-chip peripherals for portable and embedded applications. It ships in a 144-ball MAPBGA (13x13 mm) package, is part of the FLX68000 series, and targets low-power handheld and industrial human-machine interface (HMI) designs. A microprocessor is a single-chip CPU that fetches, decodes, and executes instructions from external memory, while a microcontroller integrates the CPU with on-chip flash and RAM. The MC68VZ328CVP sits in the microprocessor category: it has no internal program memory and relies on external DRAM and flash, but integrates a comprehensive set of peripherals (LCD controller, UARTs, timers, PWM, real-time clock, USB client) that today often live in an MCU. As an M68K-family part, it belongs to the ColdFire/M68000 lineage — a CISC architecture that predates and is instruction-binary-compatible in spirit with later ColdFire cores — and traces its heritage to the original Motorola 68000 used in early Macintosh and Atari ST computers. Headline specifications include a 33 MHz core clock with a 32-bit data path, a 16-bit external bus, integrated LCD controller with up to 640x512 resolution support, USB client and three UART channels, and a wide operating voltage range suitable for battery-powered designs. The 'VZ' variant is the integrated portable system processor specifically designed for handheld terminals, PDAs, and instrument clusters. Typical applications include industrial HMI panels, portable data terminals, point-of-sale (POS) terminals, GPS handhelds, and ruggedized mobile computers. The integrated LCD controller and USB client make it especially well-suited for battery-powered graphical interfaces where reducing the bill of materials is critical. When designing with this part, the 144-MAPBGA package requires careful PCB layout with controlled-impedance traces and multiple ground vias under the thermal/ground pad. The integrated peripherals are configured via memory-mapped registers, and code porting from earlier 68K designs is mostly straightforward thanks to the retained instruction set. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes that go beyond the manufacturer's product brief to help engineers evaluate the part quickly.

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MC705C8ABE - 8-Bit 2.1MHz 8KB OTP MCU | NXP | Embedded
MC705C8ABE

MC705C8ABE - 8-Bit 2.1MHz 8KB OTP MCU | NXP | Embedded

The NXP Semiconductors MC705C8ABE is an 8-bit HC05 CISC microcontroller with 8KB (8K x 8) OTP program memory, 304 x 8 RAM, 24 I/O pins, and a 2.1MHz operating speed, supplied in a 42-pin PDIP package. What is an 8-bit microcontroller? An 8-bit microcontroller is a compact embedded-control semiconductor that executes instructions on an 8-bit data bus. The MC705C8ABE belongs to the HC05 family and provides the processor core, OTP program storage, RAM, I/O, and timing resources needed for basic control, sensing, and actuator systems. Its 42-pin PDIP package is useful for prototyping, legacy industrial equipment, and through-hole assemblies. Key features include 8KB of one-time-programmable memory, 304 x 8 RAM, 24 I/O pins, 2.1MHz speed, an internal oscillator, and operation across 3.3V/5V-related supply conditions identified in the verified listings. Because program memory is OTP rather than reprogrammable flash, the firmware image is fixed after programming; this simplifies designs where field updates are not required and increases resistance to accidental firmware changes. The HC05 architecture uses a compact 8-bit CISC-oriented embedded platform, making it suitable for control loops, digital logic interfaces, simple human-interface functions, and legacy-compatible equipment. The internal oscillator avoids requiring an external clock source for basic operation, while the 24 available I/O pins support external sensors, switches, relays, displays, and communication interfaces when their electrical and timing requirements fit the device. Typical applications include industrial control panels, appliance controllers, simple instrumentation, motor or relay control, educational embedded systems, and legacy peripheral equipment. The 42-pin PDIP package is easy to inspect and solder by hand, making the device attractive where a small production run or prototype needs through-hole assembly. For a new design, verify pin multiplexing, maximum port loading, oscillator timing, supply decoupling, OTP programming workflow, and all electrical limits against the manufacturer datasheet. Do not assume that a same-package MCU is interchangeable without checking pin names, reset behavior, peripheral mapping, memory organization, and programming compatibility. The verified data identifies the package as 42-PDIP, but detailed pin-level information is not included in the supplied sources.

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MC705C8ACFNER - 8-Bit 2.1MHz MCU, 8KB OTP | NXP
MC705C8ACFNER

MC705C8ACFNER - 8-Bit 2.1MHz MCU, 8KB OTP | NXP

The NXP Semiconductors MC705C8ACFNER is an 8-bit HC05-series microcontroller operating at up to 2.1 MHz, with 8 KB of one-time-programmable memory in a 44-pin PLCC package measuring 16.59 mm by 16.59 mm. The verified product data identifies a 3.3 V or 5 V device with an 8 KB, 8K x 8 memory organization. A microcontroller is a compact embedded-computing component that integrates a processor core, program memory, data memory, and peripherals into one package. The HC05 belongs to the 8-bit microcontroller hierarchy, where an integrated CPU executes firmware for control, measurement, communication, and automation tasks. OTP memory is intended for fixed programmed behavior and is not rewritable after programming. The MC705C8ACFNER's principal verified features are its 8-bit HC05 architecture, 2.1 MHz operating speed, 8 KB OTP memory, 3.3 V or 5 V supply description, and 44-pin PLCC package. The listed 16.59 mm by 16.59 mm body size supports legacy through-hole PCB layouts when the original land pattern and pin function assignment are retained. Surface-mount mounting is reported by one distributor source, while another source lists bulk packaging, so assembly planning should follow the exact manufacturer package drawing and orderable variant. This part is positioned for cost-sensitive embedded controls requiring a straightforward 8-bit architecture and one-time programmable firmware storage. Its 2.1 MHz clock rating provides a concrete performance reference for control loops, digital I/O sequencing, and compact peripheral integration, although the available verified data does not state RAM capacity, peripheral inventories, ADC resolution, timer counts, or communication blocks. Typical applications include appliance controllers, simple industrial control modules, instrumentation interfaces, keypad and display control, motor sequencing, and legacy embedded systems. A migration or redesign should not assume compatibility with another MCU family solely because the memory size is similar. Firmware timing, interrupt behavior, port multiplexing, reset circuitry, and electrical limits must be checked against the manufacturer datasheet before substitution. For PCB integration, verify the 44-pin J-lead PLCC footprint, pin-1 orientation, solder-profile requirements, and available board area. Because OTP devices are programmed only once, firmware validation and production provisioning must occur before the final programming operation. This page combines verified distributor data, package information, practical design guidance, and explicitly identified data gaps for engineering review.

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MC705C8ACFNR2 - 8-Bit 2.1MHz OTP Microcontroller | NXP
MC705C8ACFNR2

MC705C8ACFNR2 - 8-Bit 2.1MHz OTP Microcontroller | NXP

The NXP Semiconductors MC705C8ACFNR2 is an 8-bit M68HC05-series microcontroller with a 2.1 MHz operating frequency, 8 KB of one-time programmable memory, and a 44-pin PLCC package measuring 16.59 mm by 16.59 mm. It belongs to the M68HC05 HC05 family and is intended for embedded control applications requiring compact 8-bit processing, on-chip program memory, and an industrial-grade temperature option. The MC705C8ACFNR2 combines a small microcontroller core with 8 KB (8K x 8) of OTP program memory. Its 8-bit architecture supports control-oriented workloads, while the 2.1 MHz operating frequency provides a defined execution speed for legacy embedded systems. The device is supplied in a 44-pin plastic leaded chip carrier, commonly identified by package code QCCJ, with a square package shape and J-bend terminal form. The supplied data identifies the part as a M68HC05 HC05 microcontroller with 8 KB OTP memory and a 2.1 MHz clock. An additional search result describes the related MC68HC705C8A technical family, but it does not provide a complete manufacturer specification table for this exact ordering code. Therefore, details such as RAM, I/O count, voltage range, timer resources, and electrical limits are retained as data-needed items rather than inferred from the family name. Typical embedded-control uses include legacy appliance controls, industrial automation modules, motor and relay-control boards, panel interfaces, and small standalone embedded products. A designer should confirm the exact pin functions, memory map, clock configuration, peripheral availability, and operating voltage against the Motorola or NXP technical documentation before creating a new PCB or replacing an existing device. The main design consideration is package and pin compatibility. The MC705C8ACFNR2 uses a 44-pin PLCC footprint, so a substitute must match the same package and pin arrangement, not merely offer similar processor performance. Existing firmware, memory organization, interrupt behavior, and peripheral mapping must also be validated before substitution. This page consolidates the verified distributor identification, package data, memory and frequency details, sourcing links, and engineering caveats. It does not invent missing electrical specifications or assert an unqualified replacement recommendation without a verified pin-to-pin cross-reference.

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MC7447AHX1167NB - PowerPC G4 MPU, 1.167GHz, 360-FCCBGA | NXP
MC7447AHX1167NB

MC7447AHX1167NB - PowerPC G4 MPU, 1.167GHz, 360-FCCBGA | NXP

The NXP MC7447AHX1167NB is a high-performance PowerPC G4 microprocessor from the MPC7447A family, featuring a 32-bit RISC core running at 1.167 GHz in a 360-ball FCCBGA (25x25 mm) package. It integrates 512 KB of on-chip L2 cache, a 64-bit processor-local bus interface, and a 128-bit AltiVec SIMD engine, delivering leading-edge compute density for embedded applications. Core voltage is 1.1 V with an additional 1.8 V or 2.5 V I/O supply, and the device is rated for operation up to 105 C junction. A PowerPC G4 (MPC74xx) microprocessor is an implementation of the PowerPC RISC architecture targeted at high-end embedded computing, networking, and signal processing. Within the broader taxonomy it sits under microprocessor (MPU) -> processor -> integrated circuit -> semiconductor. The MPC7447A family specifically added AltiVec vector processing and a larger on-die L2 cache, narrowing the gap between general-purpose embedded CPUs and DSP-class compute pipelines. Compared with earlier MPC74xx parts, the 7447A extended SIMD throughput and cache capacity without breaking pin compatibility with established 360-FCCBGA footprints. Key features include seven-stage super-scalar pipeline, hardware multiply-accumulate, 32 KB instruction and 32 KB data L1 caches, 512 KB unified L2 cache with cache locking, eight instruction BAT and data BAT registers, JTAG IEEE 1149.1 boundary scan and on-chip debug, thermal sensor and POR/PLL block. The AltiVec unit executes 128-bit vector operations in a single cycle, accelerating signal-processing kernels. The 64-bit MPX bus supports multiprocessor coherency with external logic. Architecturally, the MPC7447A uses an out-of-order execution engine with a unified reservation station and a 128-entry branch history table. Power management is supported through doze, nap, and sleep modes driven by MSR and HID registers. The 1.1 V core reduces power compared with prior 1.3 V or 1.5 V members of the family, while the configurable I/O voltage (1.8 V or 2.5 V) simplifies integration with mixed-voltage peripherals. Performance at 1.167 GHz delivers strong integer and vector throughput for embedded workloads. Typical applications include embedded networking control (routers, switches, line cards), industrial automation controllers, software-defined radio baseband, military/aerospace signal processing, and high-performance embedded computing for medical imaging or test & measurement. Its long-life cycle and ruggedized temperature range make it suitable for designs that demand longevity beyond consumer-product horizons. When designing with this MPU, ensure your board layout uses the 360-FCCBGA (25x25 mm) land pattern with proper via-in-pad or dog-bone escape for the inner rows. Provide clean, low-noise 1.1 V core and 1.8 V/2.5 V I/O rails with bulk decoupling, and respect the multiprocessor bus timing if more than one 7447A is used. Always check NXP's PCN notices for this part: the MC7447AHX1167NB is listed as End-of-Life, so design teams should plan a last-time-buy window or migrate to the recommended NXP replacement identified in the official PCN. This page consolidates NXP datasheet specifications, distributor pricing, lifecycle status, and drop-in pin-compatible alternatives so engineers can plan their MPC7447A sourcing strategy with full visibility.

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