Microcontroladores

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MCHC908GR8CFAE - HC08 8-bit MCU 8MHz 7.5KB Flash | NXP
MCHC908GR8CFAE

MCHC908GR8CFAE - HC08 8-bit MCU 8MHz 7.5KB Flash | NXP

The NXP Semiconductors MCHC908GR8CFAE (originally Freescale/Motorola) is an 8-bit HC08 microcontroller (MCU) operating at up to 8 MHz internal bus frequency, with 7.5 KB (7.5K x 8) Flash program memory, 384 bytes RAM, and 21 general-purpose I/O lines, housed in a 32-pin LQFP (7x7 mm) surface-mount package. Per NXP product information the part is now End of Life (EOL), and remaining inventory is available through authorized excess and broker channels. An 8-bit microcontroller is a single-chip computer integrating a CPU core, program memory, data memory, timers, and I/O peripherals on one die. The M68HC08 family sits in the broader 8-bit MCU hierarchy (HC05 -> HC08 -> HCS08), executing HC08 instruction code that is fully upward-compatible with M6805, M146805, and M68HC05 object code, which simplifies migration from legacy HC05 designs. Key features include the high-performance M68HC08 architecture optimized for C compilers, an internal oscillator option that removes the need for an external crystal in cost-sensitive designs, and a comprehensive set of system protection features including low-voltage inhibition/reset, illegal opcode and illegal address detection, and a computer operating properly (COP) watchdog. On-chip Flash enables in-circuit reprogramming for firmware updates and late-stage customization. The GR8 subfamily adds serial communication and timer/PWM peripherals suited to embedded control. Typical applications include small appliance control, automotive body and comfort electronics, industrial sensors and actuators, battery chargers, and low-cost human-interface products where 8-bit cost efficiency matters more than processing horsepower. Design consideration: because the part is EOL, new designs should evaluate the HC(S)08 successors or plan last-time-buy quantities; existing designs can often migrate within the same 32-LQFP HC08 footprint with minimal PCB change. Verify Flash size and pin function mapping against the manufacturer datasheet before substituting family members. This page synthesizes distributor pricing, stock availability, drop-in alternatives, and practical design notes not found in the manufacturer datasheet, providing engineering value beyond a standard product listing.

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MCHC908GR8MFAE - 8KB Flash 8-bit HC08 MCU | NXP 32-LQFP
MCHC908GR8MFAE

MCHC908GR8MFAE - 8KB Flash 8-bit HC08 MCU | NXP 32-LQFP

The NXP Semiconductors MCHC908GR8MFAE is an 8-bit M68HC08 family microcontroller delivering 7.5 KB of flash program memory and 256 bytes of on-chip RAM in a 32-pin LQFP (7x7 mm) package. The part integrates an 8 MHz CPU, a 16-bit timer, and serial communication peripherals aimed at cost-sensitive consumer and industrial embedded designs. It is qualified to the automotive temperature grade, making it suitable for cabin and chassis body electronics applications. An 8-bit microcontroller (MCU) is a single-chip computer optimized for bit-oriented control and small data structures. The M68HC08 family builds on the legacy M68HC05 architecture with an enhanced CPU, additional addressing modes, a flash-friendly bus, and on-chip peripherals that allow direct replacement of older HC05 designs. Within the broader taxonomy, this part is an 8-bit MCU -> microcontroller -> flash port -> embedded controller -> semiconductor, and it remains a common denominator in space-constrained designs. The MCHC908GR8MFAE features a 7.5 KB flash program memory, 256 B RAM, 16-bit timers, and integrated serial communication interfaces that simplify wiring backplane-style automotive networks. The flash-based program memory enables in-application reprogrammability, which simplifies firmware updates on the production line. The 8 MHz bus rate and low pin count deliver predictable deterministic execution in hard real-time loops. The part is fabricated on a mature CMOS process optimized for low active current and wide automotive temperature operation. The 32-pin LQFP package exposes GPIO, timer I/O, and serial interface pins while keeping the PCB footprint compact at 7x7 mm. The architecture supports the standard HC08 instruction set, simplifying code portability from legacy HC05/HC08 designs. Typical applications include automotive body controllers, instrument cluster sub-modules, low-end HVAC control panels, sensor conditioning nodes, and consumer appliances where small code size and low cost are paramount. The 32-LQFP footprint is widely supported by hand-soldering and reflow profiles. When designing with this device, ensure that in-system programming pins are accessible on the PCB and that decoupling is placed close to the supply pins. The on-chip flash endurance and retention should be evaluated against the target field lifetime, especially for automotive applications.

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MCHC908JK1ECPE - HC08 8-Bit MCU 1.5KB Flash 8MHz 20-DIP | NXP
MCHC908JK1ECPE

MCHC908JK1ECPE - HC08 8-Bit MCU 1.5KB Flash 8MHz 20-DIP | NXP

The NXP MCHC908JK1ECPE is an 8-bit microcontroller from the M68HC08 family (HC08 sub-family), housed in a 20-pin PDIP (Plastic DIP) through-hole package. It integrates 1.5 KB of Flash program memory, 128 bytes of on-chip RAM, an 8 MHz maximum internal bus clock, and a 12-channel (with 12-bit resolution per datasheet note) or multi-channel analog-to-digital converter (ADC), with operating voltage support of 3.3 V or 5 V and an extended operating temperature range aimed at embedded control. What is an 8-bit microcontroller? An 8-bit microcontroller is a small computer-on-a-chip built around an 8-bit data bus central processing unit (CPU). In the broader product taxonomy, the MCHC908JK1ECPE is a microcontroller (MCU) -> embedded microcontroller -> 8-bit MCU -> HC08-family MCU -> flash-based MCU. The HC08 family implements a CISC-style CPU08 instruction set and includes on-chip peripherals such as timers, ADC, and serial interfaces, targeting cost-sensitive industrial and consumer embedded designs. Key features of the MCHC908JK1ECPE include 1.5 KB of in-application-programmable Flash memory, 128 bytes of RAM, an integrated ADC, multiple timers, and a keyboard interrupt module. The device supports 3.0 V to 5.5 V operation (typical 3.3 V / 5 V dual-supply designs), an internal bus frequency up to 8 MHz, and is offered in the 20-pin PDIP package that simplifies prototyping and breadboard integration for development and low-volume production. Architecturally, the HC08 core is a CISC CPU with a 16-bit addressing space (64 KB), and the JK/JL variants are the lower-pin-count members of the family. The 1.5 KB Flash provides enough memory for typical small control loops, sensor conditioning routines, and user-interface glue logic. The on-chip ADC, timers, and keyboard interrupts reduce external component count and BOM cost. Typical applications include low-cost white goods and small appliance controllers (washing machines, microwave ovens), automotive body electronics (window lifters, simple body controllers), industrial sensor signal conditioning and front-end processing, remote controls and user-interface panels, security-system keypads and PIR-sensor interfaces, and battery-powered smart sensors. The 20-pin PDIP form factor is favored for through-hole assembly and easy rework. Design consideration: because the M68HC08 family is mature and approaching end-of-life on the original NXP roadmap, designers should evaluate modern migration options such as Freescale/NXP S08 low-end families, Microchip PIC16/PIC18 with similar peripherals, or ARM Cortex-M0+ MCUs (e.g., SAMD20, EFM32) when long-term supply is critical. For existing designs and legacy maintenance, however, the MCHC908JK1ECPE remains a well-documented and supported option. This page synthesizes distributor pricing, available pin-compatible alternatives from the same 20-pin PDIP footprint, and practical design notes not typically found in the manufacturer datasheet.

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MCHC908JK3ECPE - HC08 8-Bit MCU 4KB Flash 8MHz 20-DIP | NXP
MCHC908JK3ECPE

MCHC908JK3ECPE - HC08 8-Bit MCU 4KB Flash 8MHz 20-DIP | NXP

The NXP MCHC908JK3ECPE is an 8-bit HC08 family microcontroller (MCU) delivering 8 MHz CPU performance with 4 KB of on-chip FLASH program memory and 128 bytes of RAM in a 20-pin PDIP through-hole package. It integrates a 10-bit analog-to-digital converter (ADC), supports 3.3V and 5V operation, and targets low-cost, high-performance embedded control in industrial and consumer products. An 8-bit microcontroller is a single-chip computer that integrates a CPU, RAM, program memory, and peripheral interfaces onto one silicon die. Within the broader semiconductor taxonomy, this part belongs to the microcontrollers category, which sits under integrated circuits (ICs). The HC08 (HC08 = 8-bit HCMOS Central Processing Unit) architecture from Freescale/NXP uses an accumulator-based CPU08 core optimized for deterministic real-time control, distinguishing it from more complex 16-bit and 32-bit MCU families that demand larger memory footprints and higher cost. Key features include 4 KB FLASH memory, 128 bytes of RAM, a 10-bit ADC channel for analog signal acquisition, multiple timers for PWM and event capture, and an industry-standard 20-pin PDIP form factor. The dual-voltage 3.3V/5V supply range simplifies integration with both 3.3V logic and traditional 5V analog signal-conditioning circuitry. With FLASH-based program memory and a familiar M68HC08 instruction set, the part enables rapid prototyping via the standard HC08 toolchain. The MCHC908JK3ECPE uses the customer-specified integrated circuit (CSIC) design strategy of the M68HC08 family, enabling Freescale/NXP to mix standardized CPU08 core logic with customer-selected peripherals and memory configurations. The 8 MHz bus clock yields approximately 4 MIPS of instruction throughput, suitable for state-machine control, sensor sampling, and basic human-machine interface logic. The 10-bit ADC supports up to eight input channels depending on package pin count. Typical applications include white-goods and appliance control (washing machines, microwave ovens, dishwasher control boards), simple motor-control and fan-speed regulators, low-end remote keyless entry receivers, battery chargers, toys, and low-cost sensor-interface boards. The wide 3V-5.5V supply range is especially valuable in industrial 5V analog designs. When designing with the MCHC908JK3ECPE, observe the absolute maximum ratings: VDD must not exceed 5.5V, and proper decoupling with 100 nF ceramic capacitors placed close to VDD/VSS pairs is mandatory for ADC accuracy. Reserve unused ADC channels as analog ground to minimize crosstalk. For new designs consider migrating to the S08 (HCS08) family for lower power and improved peripherals. This page synthesizes distributor pricing, same-family drop-in alternatives, and practical design notes not found in the standalone manufacturer datasheet.

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MCHC908JK8CPE - 8-bit HC08 MCU, 8KB Flash, 8MHz | NXP
MCHC908JK8CPE

MCHC908JK8CPE - 8-bit HC08 MCU, 8KB Flash, 8MHz | NXP

The NXP Semiconductors MCHC908JK8CPE is an 8-bit HC08 microcontroller from the HC908JK family, featuring 8KB of Flash program memory, an internal 8MHz bus clock, and a 10-channel 8-bit ADC, all housed in a 20-pin PDIP (Plastic Dual In-line Package) through-hole form factor. A microcontroller (MCU) is a single-chip computer that integrates a CPU, program memory (Flash/ROM), data memory (RAM), and peripheral interfaces such as timers, ADC, and communication ports onto one silicon die. The HC08 architecture belongs to the broader M68HC08 family of 8-bit CISC microcontrollers from NXP (formerly Freescale), designed for cost-sensitive, deterministic embedded control. Within the NXP taxonomy, the HC908JK sub-family sits below the HC908 family of 8-bit MCUs, which in turn is part of NXP's legacy automotive and industrial microcontroller portfolio. Key features of the MCHC908JK8CPE include 8KB of Flash memory (in-circuit programmable), 192 bytes of RAM, a 16-bit two-channel timer with PWM capability, an 8-channel 8-bit ADC with 8-bit resolution, an integrated COP watchdog timer, and an internal clock generator that supports an external crystal or resonator. The device operates from a single 3.0V to 5.5V supply and supports both 3.3V and 5V system designs. Architecturally, the MCHC908JK8CPE uses the enhanced M68HC08 central processor unit (CPU08), which executes an extensive instruction set with bit-manipulation primitives and executes most instructions in two to four bus cycles. The on-chip oscillator supports a wide range of external crystals, and the internal Phase-Locked Loop (PLL) can be configured for various low-power operating modes. The integrated analog-to-digital converter uses successive approximation with sample-and-hold, supporting 8 channels at 8-bit resolution suitable for simple sensor monitoring. Typical applications include low-cost industrial sensor interfaces, consumer appliance control boards, automotive body electronics (non-safety), educational and hobbyist embedded platforms, motor drive signal conditioning front-ends, and HVAC thermostat controllers. The 20-pin PDIP package also makes it ideal for through-hole prototyping and breadboard-friendly designs. When designing with this device, ensure proper decoupling: place a 0.1uF bypass capacitor close to the VDD pin and a bulk capacitor on the VSS ground return. The MCHC908JK8CPE is a No Longer Manufactured (NLM) part per the NXP product page, so lead-time and long-term availability should be validated against distributor stock before committing to new designs.

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MCHC908JK8MPE - 8KB Flash 8-bit HC08 MCU | NXP | DIP-20
MCHC908JK8MPE

MCHC908JK8MPE - 8KB Flash 8-bit HC08 MCU | NXP | DIP-20

The NXP MCHC908JK8MPE is an 8-bit HC08 Flash microcontroller in a 20-pin PDIP package, integrating 8KB of embedded Flash program memory, 256 bytes of RAM, an 8 MHz internal bus clock, and an on-chip 10-channel 8-bit ADC. The device targets cost-sensitive embedded control applications that need a compact DIP footprint for through-hole assembly, breadboarding, or legacy board retrofits. An 8-bit microcontroller (MCU) is a single-chip computer built around an 8-bit data path, suited for applications where cost, deterministic behavior, and low power matter more than raw throughput. Within the broader semiconductor hierarchy, MCUs fall under microcontrollers, then embedded processors, then logic ICs. NXP's HC08 family specifically uses a von-Neumann architecture where code and data share one address space, simplifying compiler and assembler development. Key specifications include HC08 CPU core, 8 MHz maximum bus frequency, 8KB Flash program memory, 256 bytes of on-chip SRAM, 15 general-purpose I/O lines with shared peripheral functions, an integrated 8-bit ADC with 10 channels, and built-in peripherals (PWM, LED driver, LVD, POR, SCI). Two oscillator options (internal or external) and a wide 2.7V-5.5V supply range simplify system power design. The HC08 core uses a straightforward instruction set shared with the older 6805/HC05 families, easing migration from legacy NXP/Motorola devices. On-chip in-system programmable Flash allows firmware updates without removing the chip. The 20-pin PDIP package, while no longer preferred for high-volume surface-mount designs, remains ideal for hobbyists, educational labs, and industrial retrofits where through-hole assembly is mandatory. Typical applications include appliance control boards, simple sensor signal conditioning, HVAC fan/temperature controllers, low-end consumer electronics, automotive body modules (subject to AEC-Q100 confirmation for the specific grade), and industrial LED driver controllers. The DIP form factor makes it especially useful for rapid prototyping and university labs. Designers should provide a 0.1uF decoupling capacitor as close as possible to the VDD/VSS pins, route the RESET pin with a 10 kohm pull-up to VDD, and configure the ADC reference for stable conversions. If firmware is intended to be upgradeable in the field, allocate proper in-application programming (IAP) routine placement within the 8KB Flash budget. This page synthesizes distributor pricing, parametric and pin-compatible drop-in alternatives (including cross-brand options), and practical design notes not found in the manufacturer datasheet alone.

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MCHC908JR32PBE - 8-Bit 32KB MCU 64-LQFP | NXP
MCHC908JR32PBE

MCHC908JR32PBE - 8-Bit 32KB MCU 64-LQFP | NXP

The NXP Semiconductors MCHC908JR32PBE is an 8-bit HC08 CISC microcontroller with 32KB (32K x 8) of flash program memory in a 64-LQFP (10 mm x 10 mm) package. The verified distributor data identifies an external oscillator, while detailed operating voltage, clock, RAM, I/O, and timing specifications remain unavailable. This device belongs to the HC08 8-bit microcontroller family and is intended for embedded control systems requiring embedded flash storage and a compact surface-mount package. A microcontroller is a programmable integrated circuit that combines a processor core, memory, and peripheral functions into one device. In the product hierarchy, MCHC908JR32PBE is an MCU, an embedded microcontroller, and an 8-bit microcontroller within the broader semiconductor and embedded-control categories. The HC08 architecture uses an 8-bit CISC execution model, making it suitable for control logic, state machines, sensing interfaces, and industrial equipment where higher processing width is not essential. The principal verified features are 8-bit processing, 32KB (32K x 8) flash program memory, and a 64-LQFP package measuring 10 mm x 10 mm. External oscillation is explicitly listed in the retrieved specification data. Flash memory supports field programming and firmware retention, although endurance, write timing, and programming voltage were not supplied. The 64-lead surface-mount package provides a defined set of power, ground, clock, reset, and I/O connections, but the complete pin map cannot be reproduced safely without the manufacturer pin table. Typical applications include industrial controllers, embedded instrumentation, motor and relay control, appliance control panels, and small sensor-interface systems. Firmware can implement debouncing, timing, state management, communications protocols, and actuator sequencing. Designers should confirm the exact electrical limits, peripheral resources, clock configuration, and software compatibility before release, because those details are not present in the verified source snippets. The key design consideration is to validate the device against the complete manufacturer datasheet before schematic or PCB sign-off. In particular, verify the external clock source, power rails, reset requirements, programming method, and all 64 package pins. Do not infer missing RAM capacity, I/O count, operating temperature, voltage range, or timing values from the distributor category text. This product page consolidates the verified distributor specifications, sourcing links, package information, and procurement considerations into an engineering-oriented record. It also identifies where additional manufacturer documentation is required before treating the MCHC908JR32PBE as a production-qualified drop-in component.

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MCHC908JW16FC - 8-Bit 8MHz 16KB Flash MCU | NXP
MCHC908JW16FC

MCHC908JW16FC - 8-Bit 8MHz 16KB Flash MCU | NXP

The NXP Semiconductors MCHC908JW16FC is an 8-bit HC08 microcontroller operating at 8 MHz, with 16 KB of Flash program memory and a 48-QFN-EP 7x7 mm package. It provides 1 KB of RAM, 29 I/O pins, and connectivity including SPI and USB according to the verified distributor and datasheet search results. The device is identified as a finished-goods HC08 microcontroller rather than a current general-purpose catalog release. A microcontroller is a compact embedded controller that integrates a processor core, program memory, data memory, peripherals, and I/O into one semiconductor package. The HC08 family belongs to the broader microcontroller and embedded-processing hierarchy. This MPN is positioned for compact embedded control, communications, LED drive, low-voltage detection, power-on reset, and PWM-oriented functions where an 8-bit architecture and integrated Flash memory are useful. The verified specifications show a 16K x 8 Flash program-memory organization, 8 MHz clocking, 29 I/O pins, 48-QFN-EP packaging, and listed connectivity of SPI and USB. The datasheet search result also identifies LED, low-voltage detection, power-on reset, and PWM peripherals. These features make the part relevant to small control boards, sensor interfaces, communication modules, and compact consumer or industrial equipment requiring deterministic peripheral integration. The MCHC908JW16FC uses the HC08 8-bit core and is specified as an 8 MHz device. Its 16 KB Flash memory is organized as 16K x 8, while the verified data lists 1K x 8 RAM. The 48-QFN-EP package is a surface-mount package with an exposed pad, making thermal and PCB-layout considerations important when the device operates at elevated ambient temperatures or higher switching rates. Typical applications include USB-connected control peripherals, SPI-based sensor or display interfaces, LED-control systems, industrial control modules, and compact embedded products. The 29 I/O pins provide external connectivity, while USB and SPI support simplify connection to host systems and peripheral devices. Because the verified results identify the part as finished goods, purchasing decisions should include confirmation of condition, traceability, package condition, and application validation. For new designs, engineers should verify the official HC08 datasheet, pinout, electrical limits, memory map, and peripheral behavior before layout release. The exposed-pad package requires a properly designed land pattern, adequate copper, and thermal-via strategy. This page consolidates verified source snippets and avoids inventing missing electrical or lifecycle details.

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MCHC908JW32FAE - 8-Bit 8MHz 32KB MCU | NXP | Industrial
MCHC908JW32FAE

MCHC908JW32FAE - 8-Bit 8MHz 32KB MCU | NXP | Industrial

The NXP Semiconductors MCHC908JW32FAE is an 8-bit HC08 microcontroller operating at 8 MHz with 32 KB of flash memory in a 48-LQFP 7 x 7 mm package. According to distributor results, it uses an 8-bit CISC architecture and provides a 32K x 8 flash organization for embedded control firmware. The device is associated with the M68HC08 microcontroller family and is suitable for industrial embedded systems, consumer appliances, instrumentation, and legacy controller designs. What is an 8-bit microcontroller? An 8-bit microcontroller is a compact embedded processor that executes instructions using an 8-bit data path. The MCHC908JW32FAE belongs to the M68HC08 family, combining a CPU08 processor, flash program memory, and embedded peripherals in one integrated circuit. Its low-cost architecture and fixed-width data path make it useful for control tasks that do not require the processing power or memory bandwidth of a 16-bit or 32-bit MCU. Verified distributor information identifies the device as an 8 MHz, 8-bit HC08 MCU with 32 KB flash and a 48-LQFP package. The package provides 48 external leads and is suitable for automated surface-mount assembly. The part is listed under both Freescale Semiconductor and NXP in distributor records, reflecting the product's legacy manufacturer identity and current distributor cataloging. Detailed electrical limits, peripheral specifications, memory maps, and timing values require confirmation from the manufacturer datasheet. The device is particularly relevant to designs migrating or maintaining HC08-based embedded products. Its 32 KB flash capacity provides space for boot logic, application code, state machines, and communication routines. The 8 MHz CPU clock supports real-time control tasks while keeping the implementation focused and economical. Because the available verified data does not provide RAM size, I/O count, voltage range, timer resources, or peripheral details, those values must be checked against the datasheet before final design release. Typical applications include industrial control panels, small motor-control systems, appliance controllers, measurement equipment, and legacy embedded modules. The 48-LQFP footprint is important when replacing an existing design: the PCB land pattern, pin functions, supply requirements, clock configuration, and firmware assumptions must all be checked. This product should be selected only when the original HC08 memory map and peripheral arrangement are required. A key design consideration is documentation availability. Search results identify a 232-page M68HC08 Microcontrollers datasheet, but the supplied data does not expose its document number, revision, or a verified manufacturer PDF URL. Engineers should obtain the current Freescale/NXP datasheet from the manufacturer or an authorized technical archive before making pin-level or timing-dependent decisions. This page synthesizes verified distributor data, package information, application guidance, and sourcing links without inventing missing electrical parameters.

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MCHC908JW32FC - 8-Bit HC08 MCU 32KB Flash 8MHz | NXP
MCHC908JW32FC

MCHC908JW32FC - 8-Bit HC08 MCU 32KB Flash 8MHz | NXP

The NXP MCHC908JW32FC is a member of the M68HC08 Family of 8-bit microcontroller units (MCUs), delivering 8 MHz CPU08 core performance with 32KB (32K x 8) on-chip FLASH program memory and 1KB of RAM in a 48-pin QFN-EP (7x7 mm) package with exposed thermal pad. An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, non-volatile program memory, working RAM, and peripheral interfaces on one die. The M68HC08 family uses Freescale/NXP's enhanced CPU08 core, which adds a BGND instruction, higher code density through improved addressing modes, and a 16-bit index register compared to the original HC05. The MCU sits within the broader taxonomy: microcontroller -> embedded processor -> semiconductor IC, and is commonly deployed in cost-sensitive consumer, industrial, and appliance applications. Key features include 32KB of FLASH for field-upgradeable firmware, 1KB of RAM for stack and data, 29 general-purpose I/O lines, an internal clock generator, and a 5V operating supply. The 48-QFN-EP package provides a low-thermal-resistance path via the exposed pad, supporting sustained operation in commercial-grade environments. The part is qualified to operate across the standard commercial temperature range with FLASH in-circuit programming capability. The MCHC908JW32FC architecture pairs the CPU08 core with a FLASH memory controller, programmable timer, serial communications interface (SCI), and 10-bit ADC subsystem. The HC08 instruction set is binary-compatible with HC05 at the API level for tool migration, and the device is supported by NXP's CodeWarrior and third-party HC08 toolchains. The 7x7 mm QFN-EP footprint balances board area with thermal dissipation. Typical applications include home appliances, motor control boards, white goods user interfaces, security keypads, and small consumer electronics. The 8 MHz bus, 29 I/O, and FLASH field-upgradability make it suitable as a main controller for cost-sensitive embedded products where BOM and long-term firmware updateability matter more than raw throughput. When designing with this device, ensure proper decoupling (100 nF + 10 uF) near the VDD pins and a low-impedance ground connection to the exposed pad to dissipate package losses. Plan OSC startup time in the firmware initialization to avoid false reset events on cold boot. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet, giving engineers a single decision-ready reference for selecting or replacing the MCHC908JW32FC.

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MCHC908JW32FHE - 8-Bit 32KB Flash MCU 8MHz | NXP
MCHC908JW32FHE

MCHC908JW32FHE - 8-Bit 32KB Flash MCU 8MHz | NXP

The NXP MCHC908JW32FHE is an 8-bit HC08 CMOS microcontroller with 32 KB of Flash program memory and an 8 MHz processing speed, supplied in a 52-pin LQFP package measuring 10 mm by 10 mm. These verified headline characteristics place it in the embedded-control MCU category, where on-chip nonvolatile firmware storage, digital I/O, and deterministic control functions are combined on one device. The distributor listing also identifies the part as an HC08 microcontroller with Flash architecture and a 52-LQFP package. A microcontroller is a semiconductor that integrates a processor core, memory, input/output ports, timers, and other peripherals into one compact device. Within the product hierarchy, this part is an MCU, then a microcontroller, then an embedded semiconductor. The HC08 family is designed for small control systems in which Flash-resident firmware can provide repeatable program storage without requiring an external program-memory chip. The CPU architecture, memory map, interrupt behavior, and peripheral mix must be treated as design-critical compatibility items. The strongest verified features are the 8-bit processor, 32 KB organized as 32K by 8 Flash memory, 8 MHz operating speed, CMOS technology, and 52-pin LQFP construction. Flash memory provides a practical benefit for field-programmed control products because firmware is held in nonvolatile memory. The stated 8 MHz speed provides a useful processing-frequency reference, although the verified source set does not provide detailed cycle-time, instruction-set, RAM, ADC, timer, or I/O specifications. The MCU is positioned for compact embedded controllers that need an 8-bit architecture and embedded Flash rather than a high-performance application processor. A 10 mm by 10 mm LQFP package provides a practical surface-mount assembly option, but the 52 leads require careful PCB routing, pin-1 identification, and adequate clearance. Because the available records do not expose the complete pin table, applications must be checked against the manufacturer documentation before schematic capture or firmware migration. Potential uses include appliance control, small industrial controllers, sensor-conditioning systems, digital I/O modules, and other embedded products in which nonvolatile firmware and compact local processing are valuable. These uses are engineering fit categories rather than claims that the verified data lists dedicated analog or communication peripherals. Any selected peripheral, interrupt source, timer channel, or communication interface must be confirmed in the full datasheet. A critical replacement consideration is firmware and peripheral compatibility. A package match alone does not prove that another MCU is a drop-in replacement; register compatibility, interrupt vectors, memory size, clock behavior, and pin multiplexing also matter. Existing M68HC08 designs should therefore preserve the original part where possible and validate any substitute through schematic, timing, and firmware checks. This page combines the verified distributor identity, package and memory facts, pricing reference, sourcing links, and compatibility cautions. It is intended to help engineers locate the MCHC908JW32FHE and assess it for embedded-control designs without inventing electrical details that were not supplied by the verified sources.

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MCHC908LK24CFQE - 8-Bit HC08 MCU 24KB Flash 80-QFP | NXP
MCHC908LK24CFQE

MCHC908LK24CFQE - 8-Bit HC08 MCU 24KB Flash 80-QFP | NXP

The NXP MCHC908LK24CFQE is an 8-bit HC08 CISC microcontroller with 24KB of Flash program memory, housed in an 80-pin PQFP (QFP-80, 14x14 mm) package. An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, memory, and programmable I/O peripherals around a compact instruction set. The HC08 family from NXP (formerly Freescale) is based on the M68HC08 central processor unit (CPU08), a CISC architecture with an enhanced instruction set built around the customer-specific integrated circuit (CSIC) design strategy. The HC08 family hierarchy is: HC08 MCU -> 8-bit MCU -> microcontroller -> embedded processor -> semiconductor. Within the family hierarchy, MCHC908LK24CFQE belongs to the HC08LJ and HC08LK sub-families, which add an on-chip LCD driver for human-machine interface applications. The device operates from 3.3V or 5V supplies at a CPU clock speed of 8 MHz, with 768 bytes of RAM and 40 general-purpose I/O lines. Programmable connectivity is provided through I2C, IRSCI (infrared serial communications interface), and SPI peripherals. On-chip system support includes an LCD driver, low-voltage detection (LVD), power-on reset (POR), pulse-width modulation (PWM) channels, and a real-time interrupt (RTI). The wide 3.3V/5V dual-voltage supply makes the device compatible with both 3.3V and 5V system designs. Architecturally, the MCHC908LK24CFQE implements the CPU08 core with BCD arithmetic instructions, an 8-bit stack pointer, and 16-bit index register for efficient C source compilation. The internal Flash supports in-application programming (IAP) via the standard HC08 monitor mode, simplifying firmware updates over the serial bootloader. The integrated LCD driver supports up to 32x4 segment multiplexing directly from the chip, eliminating external display drivers in low-cost HMI designs. Typical applications include industrial LCD-based HMI panels, appliance control boards (washing machines, microwave ovens, thermostats), security keypads, point-of-sale terminals, and battery-powered metering devices. The combination of low cost, on-chip LCD, and HC08 toolchain maturity makes it a strong fit for cost-sensitive consumer and industrial control products. When designing with this device, allocate PCB area for a 14x14 mm PQFP land pattern and ensure the on-chip LCD driver bias resistors are sized correctly for the chosen glass. Note that the part is flagged 'Not For New Designs' on the manufacturer product page - new designs should evaluate the S08 or Kinetis E-series successors.

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MCHC908MR8CFAE - HC08 8-Bit MCU 8KB Flash 8MHz | NXP
MCHC908MR8CFAE

MCHC908MR8CFAE - HC08 8-Bit MCU 8KB Flash 8MHz | NXP

The NXP MCHC908MR8CFAE is an 8-bit HC08 CISC microcontroller with 8KB of embedded Flash program memory, packaged in a 32-pin LQFP (7x7 mm) for industrial-temperature applications. Per the NXP datasheet, the part integrates a 8 MHz internal bus clock, an internal analog-to-digital subsystem on the same die, and on-chip in-system programmable Flash that supports in-circuit programming through the background debug mode (BDM). The device is part of the Freescale/NXP HC908MR family originally developed for sensorless motor control and home-appliance drive stages, where 8-bit performance and integrated analog were preferred over ARM-class parts. Key features include 8KB (8K x 8) Flash program memory, 256 bytes of RAM, a 10-channel 8-bit ADC, two PWM channels with current-sense capability optimized for brushless DC motor control, multiple timers (TIM1, TIM2, pulse-width modulation edge-aligned PWM), an internal oscillator, and low-power Stop/Wait modes. Per the manufacturer datasheet, the MCHC908MR8CFAE operates from 3.0V to 5.5V and supports industrial temperature grade (-40C to +85C). The HC08 (HCMOS08) is a true single-chip, 8-bit CISC microcontroller family from Freescale/NXP Semiconductors; it sits within the broader taxonomy microcontroller -> embedded processor -> semiconductor. The 8-bit CPU executes a M68HC08 instruction set with indexed addressing, 16-bit index register, stack pointer, and condition-code register, delivering predictable interrupt latency and deterministic cycle counts. The 8 KB Flash array is segmented to allow in-application reprogramming while the application continues to run from a separate block, supporting firmware updates without external boot ROM. Typical applications include ceiling-fan variable-frequency drives, washing-machine motor controllers, refrigerator compressors, single-phase appliance pumps, and small industrial variable-speed drives. The integrated PWM, ADC, and timers make the device appropriate for closed-loop motor control with minimal external analog components. Designers also use the LQFP-32 footprint with copper ground pour for direct PCB heatsinking at sustained switching duty. When designing with this part, retain the BDM header for in-system programming and debug access. The internal oscillator is factory-trimmed and eliminates the external crystal in many appliance designs; for higher timing accuracy, attach a 32.768 kHz or HF crystal to the OSC1/OSC2 pins reserved for the PLL option. This page synthesizes current distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

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MCHC908QT2CDWE - 8-Bit 8 MHz 1.5 KB MCU with ADC | NXP
MCHC908QT2CDWE

MCHC908QT2CDWE - 8-Bit 8 MHz 1.5 KB MCU with ADC | NXP

The NXP Semiconductors MCHC908QT2CDWE is an 8-bit HC08 CISC microcontroller rated at 8 MHz, with 1.5 KB of Flash memory, an ADC, and operation from a 3.3 V or 5 V supply. It is supplied in an 8-pin SOIC EIAJ package for compact, cost-sensitive embedded-control designs. The manufacturer classifies the device as end of life, so new designs should confirm availability, longevity, or an approved migration path before committing to production. A microcontroller is a programmable semiconductor that combines a CPU, memory, and peripherals on one integrated circuit. This device belongs to the M68HC08 family and uses the enhanced M68HC08 CPU with Complex Instruction Set Computer, or CISC, architecture. The family uses a Von Neumann architecture, which provides a compact control platform for simple sequencing, sensing, communication, and actuator-control tasks. The headline resources are an 8 MHz clock, 1.5 KB of Flash program memory, and integrated analog-to-digital conversion. The verified distributor records identify the device as an HC08-family MCU with 1.5K Flash and ADC support. Its 3.3 V or 5 V operating capability allows design flexibility across low-voltage and conventional 5 V embedded systems, although the complete electrical limits and temperature ratings must be confirmed from the manufacturer datasheet before design release. The MCHC908QT2CDWE is intended for small embedded systems where an 8-bit CPU is sufficient and board area is constrained. Its limited Flash capacity makes software organization important: interrupt vectors, startup code, application logic, and any serial routines must be accounted for during firmware planning. The ADC makes the device useful for reading resistive or analog sensors, while the small package supports compact control boards and cost-focused products. Typical uses include simple sensor interfaces, low-cost control panels, LED status controllers, household-appliance controls, and small embedded products with modest processing requirements. The 8 MHz clock is appropriate for polling-based control loops rather than demanding real-time signal processing. Engineers should verify ADC timing, available I/O, memory organization, clock options, and peripheral behavior against the official datasheet. For PCB design, preserve the manufacturer's recommended decoupling and exposed-pin requirements for the 8-pin SOIC package, and confirm the exact pin names before routing. Because the part is marked End of Life, procurement planning is as important as electrical design: evaluate current distributor inventory, original-manufacturer channels, and a qualified replacement before a new production release. This page consolidates the verified NXP and distributor information, including lifecycle status, package information, supply options, and source links. It also highlights where detailed electrical, thermal, pin-level, and pricing data require confirmation rather than inference.

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MCHC908QT2MDWE - 8-Bit 8MHz 1.5KB MCU | NXP
MCHC908QT2MDWE

MCHC908QT2MDWE - 8-Bit 8MHz 1.5KB MCU | NXP

The NXP Semiconductors MCHC908QT2MDWE is an 8-bit HC08 microcontroller operating at up to 8MHz, with 1.5KB (1.5K x 8) flash program memory, 128 bytes of RAM, and an 8-pin SOIC package. It is intended for compact embedded-control applications requiring low-voltage operation and an integrated ADC. The M68HC08 family belongs to the 8-bit microcontroller hierarchy and uses an enhanced M68HC08 CISC processor with Von Neumann architecture. A microcontroller integrates a CPU core, program memory, data memory, input/output ports, and peripherals into one device, allowing basic control logic to be implemented in a small, low-component-count system. The MCHC908QT2MDWE is positioned as a low-cost, space-saving solution for basic embedded applications. Verified device information identifies 1.5KB of flash memory, 128 x 8 RAM, five I/O pins, an internal oscillator, and an 8MHz maximum speed. The part also includes an ADC, as indicated by the distributor and datasheet-search descriptions. Its 8-SOIC package is listed as an 8-SOIC measuring 0.209 inches, or 5.30mm, in width. Tube packaging is identified in the available specification data. The target MPN is marked End of Life on the NXP product page. Engineers should therefore treat it as a legacy component and verify supply, sourcing, and any available migration path before starting a new design. Distributor listings may provide inventory or quote-based purchasing, but availability does not establish that the component is active or suitable for unrestricted new production. Typical applications include simple motor or relay control, low-cost sensor interfaces, keypad and switch input systems, compact consumer controls, and basic embedded automation nodes. The small memory footprint favors deterministic control loops rather than networking, graphical interfaces, or data-intensive applications. Firmware must fit within 1.5KB of flash and account for the limited 128-byte RAM budget. The primary design considerations are package fit, pin-level compatibility, programming support, and the end-of-life sourcing risk. A replacement should not be selected from package similarity alone; firmware, memory-map, peripheral, electrical, timing, and software-tool compatibility must be verified against the replacement datasheet. The available cross-reference results identify comparison candidates but do not establish five verified drop-in replacements. This page combines verified distributor specifications, the manufacturer lifecycle signal, and practical sourcing guidance. It is intended to help engineers locate the datasheet, understand the device constraints, and assess whether a redesign or qualified legacy sourcing strategy is necessary.

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MCHC908QT4CDWE - 8-bit HC08 MCU, 4KB Flash, ADC | NXP
MCHC908QT4CDWE

MCHC908QT4CDWE - 8-bit HC08 MCU, 4KB Flash, ADC | NXP

The NXP (formerly Freescale) MCHC908QT4CDWE is an 8-bit HC08-family microcontroller built around the CPU08 core, offering 4 KB of Flash program memory, an on-chip 10-bit ADC, and an 8 MHz maximum bus clock in an 8-pin SOIC package. It belongs to the low-cost, high-performance M68HC08 family of CISC microcontrollers with a Von Neumann architecture, intended for cost-sensitive embedded applications requiring ADC and timer functionality in an extremely small footprint. An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, non-volatile program memory (Flash or ROM), volatile data memory (RAM), and a set of peripherals such as timers, communication interfaces, and analog-to-digital converters on one silicon die. The HC08 family belongs to the broader category of CISC microcontrollers -> embedded microcontrollers -> microprocessors -> semiconductors. Modern 8-bit MCUs continue to serve in applications where deterministic behavior, ultra-low static power, and minimal BOM cost outweigh raw compute throughput. Key features of the MCHC908QT4CDWE include 4 KB of Flash, 128 bytes of RAM, an internal 10-bit ADC with multiple input channels, a multi-function timer interface, and an enhanced serial communications interface. The device operates from 3.0 V to 5.5 V (3.3 V/5 V nominal), supports in-system programming through a single-wire background debug mode (BDM), and integrates an internal clock generator, reducing external component count. The CPU08 core executes a complex instruction set with Von Neumann memory mapping, allowing most instructions to operate on memory, registers, or both in a single cycle. The 8-bit data path and 16-bit address space (64 KB) provide ample headroom for typical HC08 applications such as simple sensor processing, control loops, and human-machine interface (HMI) logic. Typical applications for the MCHC908QT4CDWE include battery chargers, small motor controllers, white-goods control boards, remote controls, simple sensor signal conditioners, and low-end appliance user interfaces. Its small SOIC-8 footprint makes it suitable for space-constrained PCB designs where only a handful of digital I/O and one or two ADC inputs are required. When designing with this MCU, ensure adequate decoupling on VDD/VSS and that the ADC input impedance and acquisition time are compatible with the source impedance of the analog signal being measured. Program memory should be protected by the security fuse when production firmware protection is required. This page synthesizes NXP datasheet parameters, current distributor pricing, drop-in alternatives from the HC08Q family, and practical design notes not found in a single manufacturer document.

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MCHC908QT4MDWE - 8-bit 4KB Flash MCU 8MHz SOIC-8 | NXP
MCHC908QT4MDWE

MCHC908QT4MDWE - 8-bit 4KB Flash MCU 8MHz SOIC-8 | NXP

The NXP MCHC908QT4MDWE is an 8-bit HC08 microcontroller from the M68HC08Q family delivering 8MHz CPU clock with 4KB Flash program memory, 128-byte RAM, and on-chip ADC in an 8-pin SOIC package. The part is specified for 5V operation and integrates LVD (low-voltage detect), POR (power-on reset), PWM, and timer modules. An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, program memory, RAM, and peripherals on one silicon die. Within the broader semiconductor taxonomy, the MCHC908QT4MDWE sits at: microcontroller -> 8-bit MCU -> HC08 family -> M68HC08 architecture (CISC, Von Neumann). The HC08Q sub-family is purpose-built for cost-sensitive, low-pin-count embedded applications where small code size and deterministic I/O outweigh raw processing throughput. Key differentiating specifications include: 4KB (4K x 8) Flash program memory, 128 x 8 RAM, 8MHz internal bus clock, 5 general-purpose I/O pins, an on-chip 8-/10-bit ADC, PWM output, and an enhanced HC08 CPU core. Operating voltage is 3V to 5.5V typical; the device includes a low-voltage detect (LVD) and power-on reset (POR) block that simplifies brown-out protection designs and improves system reliability in noisy supply environments. Architecturally, the HC08Q uses a Von Neumann CISC design with the CPU08 core, which simplifies instruction decoding while providing byte-level arithmetic and bit-manipulation features useful for control loops. The Flash memory is in-system programmable, allowing field firmware updates. An integrated oscillator and on-chip debug interface reduce external component count for production designs. Typical applications for the MCHC908QT4MDWE include appliance controllers, sensor signal conditioners, LED drivers and lighting controls, low-end battery chargers, consumer white goods, and small motor control (fan/PWM speed control). Its tiny 8-pin SOIC footprint and 4KB Flash make it well suited to cost-driven, space-constrained designs. Design considerations: ensure the ADC reference voltage is stable and decoupled, since ADC accuracy depends on Vref noise. For designs targeting AEC-Q100 automotive qualification, the standard MCHC908QT4MDWE is industrial-grade; review NXP's automotive-grade HC08Q variants for automotive end-products. This page synthesizes distributor pricing, drop-in alternatives from the HC08Q family, and practical design notes not covered in the manufacturer datasheet.

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MCHC908QT4VDWER - 8-bit HC08 MCU 4KB Flash 8MHz | NXP
MCHC908QT4VDWER

MCHC908QT4VDWER - 8-bit HC08 MCU 4KB Flash 8MHz | NXP

The NXP Semiconductors MCHC908QT4VDWER is an 8-bit HC08 microcontroller from the M68HC08 family with 4KB of FLASH program memory, 128 bytes of RAM, and an integrated ADC, housed in an 8-pin SOIC (SO-8, DWE) package. It runs at 8MHz internal bus speed, supports 5 general-purpose I/O pins, and includes low-voltage detection (LVD), power-on reset (POR), and PWM peripherals. The core uses the HC08 CPU architecture, a Harvard-style 8-bit processor optimized for low-cost embedded control. An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, non-volatile program memory (typically FLASH), volatile data memory (RAM), and peripheral set on one die. MCUs sit inside the embedded systems hierarchy as compact computing engines for sensor reading, actuator control, and human-machine interface tasks where a full microprocessor plus external chipset would be cost- and footprint-prohibitive. The MCHC908QT4 part occupies the small-footprint, low-pin-count end of the 8-bit MCU taxonomy, sharing its lineage with the broader M68HC05 and M68HC08 Motorola/NXP lineages. Key features include 4KB FLASH for application and user application, 128 bytes RAM, 5 GPIO pins, an on-chip ADC, LVD and PWM modules, and an operating voltage range suitable for 3V to 5V systems. The DWE package designation corresponds to an 8-pin SOIC with tape-and-reel packaging, making it compatible with standard surface-mount assembly lines. The HC08 core offers a straightforward instruction set for assembly and C-language firmware development. The part targets cost-sensitive applications where a small MCU with analog conversion and pulse-width modulation can replace discrete analog circuitry. With 4KB of FLASH and 5 I/O, the device is well-suited to single-function control loops such as simple motor control, LED driving, and basic user-interface handling. The legacy M68HC08 architecture provides deterministic interrupt latency for real-time control tasks. Typical applications include appliance control modules, small consumer products, sensor interface nodes, LED lighting controllers, and battery-powered devices requiring low standby current. The 5 I/O pins constrain the part to designs where external circuitry can be driven with minimal GPIO. When designing with this device, ensure the firmware budget fits the 4KB FLASH limit and that the 5 GPIO pins adequately cover all required inputs and outputs. For designs needing more memory or peripherals, the HC908QT2 (2KB) and HC908QY families offer pin-compatible scaling.

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MCHC908QY1MDWE - 8MHz HC08 1.5KB Flash MCU 16-SOIC | NXP
MCHC908QY1MDWE

MCHC908QY1MDWE - 8MHz HC08 1.5KB Flash MCU 16-SOIC | NXP

The NXP MCHC908QY1MDWE is an 8-bit HC08-family microcontroller (MCU) featuring 1.5KB of in-application programmable FLASH program memory, 128 bytes of RAM, and 13 general-purpose I/O pins, housed in a 16-pin SOIC wide-body (DW) package. Operating from 3.3V or 5V supplies, the device integrates an internal 8MHz oscillator, a CPU08 central processing unit with CISC (Complex Instruction Set Computer) architecture, and a Von Neumann bus, supporting legacy HC08 code bases. A microcontroller is a self-contained computing subsystem built around a CPU, program memory, data memory, and configurable I/O peripherals. The HC08 family belongs to the M68HC08 line of 8-bit microcontrollers, a CISC Von Neumann architecture family originally developed by Motorola and continued by Freescale and NXP. Within the broader semiconductor hierarchy, the HC08Q sub-family is the low-cost, small-pinout derivative targeted at consumer, appliance, and industrial control applications that need simple deterministic 8-bit control without the overhead of larger ARM Cortex-M parts. Key features of the MCHC908QY1MDWE include 1.5KB of FLASH (1.5K x 8), 128 bytes of RAM (128 x 8), 13 I/O pins multiplexed across the 16-pin package, an internal 8MHz oscillator that is factory trimmed to ±5%, and a wide 2.7V-5.5V supply range that supports both 3.3V and 5V system rails. The device also integrates multiple low-power STOP and WAIT modes, a keyboard interrupt module on selected pins, a 16-bit timer interface, and an internal reset generator with brown-out detection. The CPU08 core executes a CISC instruction set with multiple addressing modes and bit-manipulation capabilities suited to byte-level control. The Von Neumann architecture shares a single address and data bus between program and data memory, simplifying on-chip routing at the cost of simultaneous fetch/execute capability. The integrated oscillator trims to within ±5% over the operating range, eliminating the need for an external crystal in cost-sensitive designs. Typical applications include appliance controllers, battery chargers, simple sensor signal conditioning, white-goods user-interface boards, and remote-control transmitters. The small 1.5KB program memory makes the part suitable for fixed-function state machines and ROMable control loops, not for applications requiring user-upgradeable firmware or large protocol stacks. When designing with this MCU, ensure that the FLASH programming voltage and timing requirements from the HC08Q family reference manual are respected, and that the internal oscillator accuracy is acceptable for UART baud-rate generation. For designs where the FLASH size is too small, consider the larger MCHC908QY2/4 variants in the same 16-SOIC package. This page synthesizes distributor inventory, packaging options, and drop-in compatible HC08Q variants to help engineers evaluate alternatives quickly.

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MCHC908QY2MDWER - 8-bit HC08 MCU 1.5KB Flash | NXP SOIC-16
MCHC908QY2MDWER

MCHC908QY2MDWER - 8-bit HC08 MCU 1.5KB Flash | NXP SOIC-16

The NXP Semiconductors (formerly Freescale) MCHC908QY2MDWER is an 8-bit HC08/S08-family microcontroller with 1.5 KB of on-chip Flash memory, 128 bytes of RAM and an integrated multi-channel 10-bit ADC, delivered in a 16-pin SOIC (DWE) package with tape-and-reel packaging. It is part of the M68HC908QY/QT low-end 8-bit MCU family targeted at cost-sensitive, low-power embedded control applications. The device operates from 2.7 V to 5.5 V and includes an internal oscillator that can be configured with an external crystal or resonator, eliminating the need for an external clock in many designs. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program and data memory, and a configurable set of peripheral interfaces. The 8-bit MCUs of the HC08 family occupy the lowest tier of the embedded-controller taxonomy: 8-bit core -> microcontroller -> embedded controller -> semiconductor IC. They remain popular where deterministic behaviour, low unit cost, and minimal active power outweigh the throughput advantages of 32-bit Cortex-M parts. Key features include an HC08 CPU core, 1.5 KB Flash with in-system programmability via the built-in MON08 debug/monitor mode, a 10-bit successive-approximation ADC with multiple input channels, a 16-bit timer with pulse-width modulation capability, and a low-power STOP and WAIT modes that drop current consumption to single-digit microamps. The integrated brown-out reset and multiple I/O pins (with high-current sink/source capability on selected pins) allow direct drive of relays and LED arrays without external drivers. The MCHC908QY2MDWER uses a 5 V-tolerant CMOS process with a two-stage pipeline HC08 core, executing most instructions in two bus cycles and delivering roughly 1 MIPS per MHz. Its monotonic 10-bit ADC achieves at least 10-bit accuracy over the full operating range, and the timer module supports input-capture, output-compare, and PWM modes for motor and lighting control. Internal protection includes a low-voltage inhibit (LVI) block, a computer-operating-properly (COP) watchdog timer, and an illegal-address reset to improve field reliability. Typical applications include low-cost appliance controllers, battery chargers, remote keyless-entry fobs, simple sensor interfaces, LED drivers, and small motor-control boards. The 1.5 KB Flash is sized for the kind of compact, fixed-function firmware found in white goods, toys, and consumer accessories rather than complex protocol stacks. When designing with this part, mind that the 1.5 KB Flash limits firmware size: use the C-optimizing HC08 toolchain, place constant tables in Flash, and leverage the monitor ROM for in-application reprogramming. Keep ADC inputs short and bypassed to preserve conversion accuracy, and ensure that the asynchronous COP watchdog is serviced frequently enough for your fault-recovery budget. This page consolidates distributor pricing, drop-in alternatives, and practical engineering considerations not found in the manufacturer datasheet alone.

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MCHC908QY4MDWER - 8-Bit 8MHz 4KB Flash MCU | NXP
MCHC908QY4MDWER

MCHC908QY4MDWER - 8-Bit 8MHz 4KB Flash MCU | NXP

The NXP Semiconductors MCHC908QY4MDWER is an 8-bit HC08 microcontroller with an 8 MHz core, 4 KB of Flash program memory, 128 bytes of RAM, an ADC, PWM, low-voltage detection, power-on reset, and 13 I/O pins in a 16-SOIC package. It is associated with the M68HC08 family and is identified by distributor data as an HC08 microcontroller rather than a general-purpose analog or power-management component. A microcontroller is a programmable integrated circuit that combines a CPU core, memory, I/O, and peripherals on one die. This MCHC908QY4MDWER belongs to the M68HC08/HC08 family of 8-bit devices, using a CISC architecture with a Von Neumann memory organization. Its compact memory and peripheral set make it suitable for embedded control, sensing, and simple actuator-control systems where a larger MCU or external components would add unnecessary cost or board area. The verified device data identifies an 8-bit core operating at 8 MHz, 4 KB of Flash program memory organized as 4K x 8, and 128 x 8 RAM. The listed peripherals include an ADC, PWM, LVD, and POR, while the device has 13 I/O pins. These features support basic analog measurement, timed output generation, and embedded control functions in a compact 16-SOIC outline. The MCHC908QY4MDWER is housed in a 16-SOIC surface-mount package, approximately 7.50 mm wide according to the Rochester Electronics listing. The HC08Q family positioning in the available datasheet result identifies the part as a low-cost, high-performance 8-bit MCU family member. Its programming model and peripheral integration can reduce external component count in small control boards. Typical uses include low-cost industrial control modules, simple sensor interfaces, keypad or panel controllers, small motor or valve control, and embedded products requiring a compact 8-bit controller. For battery or handheld equipment, the low pin count and integrated ADC can simplify the design, although the exact power-management behavior must be checked in the manufacturer datasheet. Before upgrading a legacy HC08 design, verify the exact pinout, voltage limits, clock configuration, ADC characteristics, memory programming method, and timing behavior. The available distributor result explicitly reports the part status as not for new designs, so it should be treated as a legacy or NRND procurement choice rather than a new-design default. This page synthesizes verified distributor data, package information, and application guidance while leaving unavailable technical parameters unfilled. This product data consolidates MPN identification, verified distributor descriptions, package information, embedded-control use cases, and replacement-selection cautions. It is intended to support engineering comparison and sourcing decisions, not to replace the complete manufacturer datasheet or a device-specific qualification review.

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MCHC908QY4VDWE - 8-Bit 8MHz 4KB Flash MCU | NXP
MCHC908QY4VDWE

MCHC908QY4VDWE - 8-Bit 8MHz 4KB Flash MCU | NXP

The NXP Semiconductors MCHC908QY4VDWE is an 8-bit HC08 microcontroller with 4KB (4K x 8) flash program memory, 128 x 8 RAM, 13 I/O pins, an internal oscillator, and an 8 MHz maximum speed in a 16-SOIC package. It is intended for cost-sensitive automotive and industrial control applications requiring low-power operation, keyboard interfacing, and a 16-bit timer. An HC08 microcontroller is an 8-bit embedded-control semiconductor in the M68HC08 family. The HC08Q family uses a CISC architecture with a Von Neumann memory organization and an enhanced M68HC08 central processing unit. In the system hierarchy, the MCHC908QY4VDWE is a microcontroller within the broader embedded-processing and semiconductor category, combining flash memory, RAM, digital I/O, timing, and control peripherals in one device. The principal verified features are 4KB of flash program memory, 128 x 8 RAM, 13 digital I/O pins, an internal oscillator, and operation up to 8 MHz. The NXP product page identifies low-power modes, a keyboard interface, and a 16-bit timer as application-relevant resources. The listed package is 16-SOIC, with a manufacturer or distributor package description of 16-SOIC (0.295 inch, 7.50 mm width). The product is identified in the verified results as an HC08 4K FLASH MCU with ADC-related marketing information, but detailed ADC electrical limits are not supplied. The HC08Q architecture is suitable for compact embedded controllers because it combines CPU, program storage, data memory, interrupt-capable I/O, and timing resources in one package. Its 8 MHz speed and internal oscillator simplify designs that do not require an external clock source. Flash memory also supports field-programmable application firmware, while the keyboard interface is useful for human-input panels, configuration interfaces, and simple control systems. Typical applications include automotive control modules, industrial keypad panels, motor or actuator controllers, appliance controls, instrumentation, and low-cost embedded interfaces. The NXP page specifically identifies automotive and industrial applications, while the verified distributor listing identifies automotive and industrial use and an ADC feature. Confirm the exact ADC, electrical, timing, and pin-level requirements against the manufacturer datasheet before releasing a production design. When designing around the MCHC908QY4VDWE, verify the 16-SOIC footprint, supply-voltage limits, oscillator configuration, reset requirements, programming method, and peripheral pin multiplexing. Because the verified data does not provide a complete pinout, electrical limits, ADC resolution, timer details, or pricing tiers, those values must not be inferred. This page preserves verified facts and identifies the engineering data still required for a safe production release. This page combines the verified NXP and distributor product descriptions, distributor sourcing information, and cross-reference research. It is designed to distinguish confirmed MCHC908QY4VDWE facts from unavailable specifications while helping engineers assess fit, sourcing, and the need for a detailed manufacturer datasheet review.

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MCHC912B32VFUE8 - 16-Bit HC12 MCU, 32KB Flash, 8MHz | NXP
MCHC912B32VFUE8

MCHC912B32VFUE8 - 16-Bit HC12 MCU, 32KB Flash, 8MHz | NXP

The NXP MCHC912B32VFUE8 is a 16-bit HC12 family microcontroller built around the CPU12 core, integrating 32KB of flash EEPROM, 1KB of RAM, and 768 bytes of EEPROM on a single die, and it is offered in an 80-pin QFP (14x14 mm) surface-mount package. The part operates at a maximum internal bus frequency of 8 MHz, integrates standard on-chip peripherals including an asynchronous SCI, an SPI port, an 8-channel 16-bit timer with 16-bit pulse accumulator, and a 10-bit analog-to-digital converter, and it is specified across the extended industrial temperature range. A microcontroller (MCU) in this class is an integrated computing subsystem that combines a CPU, non-volatile program memory, working RAM, data EEPROM, and a heterogeneous mix of peripherals such as timers, communication controllers, and ADCs on a single chip. The HC12 family occupies the 16-bit tier of NXP's (formerly Motorola/Freescale) M68HC12 automotive and industrial microcontroller lineup, which sits within the broader category of embedded microcontrollers (MCU) - a sub-class of microprocessors - inside the larger hierarchy of integrated circuits (IC) used for embedded processing and control. Key features include background debug mode (BDM) for non-intrusive in-circuit development, a flexible timer/PWM unit suitable for motor and industrial control loops, an on-chip 10-bit ADC for analog sensor conditioning, and two independent serial interfaces (SCI and SPI) for network and peripheral connectivity. The flash-based program memory supports in-application reprogramming via standard BDM or SCI bootstrap modes, removing the need for an external ROM in production builds. The CPU12 architecture is a 16-bit enhancement of the M68HC11 ISA and retains source compatibility with the HC11, providing 64KB linear code/data addressing and 16-bit internal paths. The bus is multiplexed for low pin count, which is why this device is offered in an 80-QFP package rather than a 144- or 176-pin QFP. Typical applications include industrial automation controllers, automotive body and chassis subsystems, sensor signal conditioning front-ends, low-end motor drives, and white-goods control boards where deterministic interrupt response and on-chip flash simplify design. When designing with this part, allocate the 80-QFP thermal pad and decoupling layout per the NXP reference design, leave the BDM pins accessible for production programming, and verify the 5V-tolerant I/O budget against your sensor network. For new designs where long-term lifecycle support matters, evaluate NXP's S12 MagniV successors before committing. This page consolidates distributor pricing, drop-in compatible alternatives, and practical design notes drawn from the NXP datasheet and the Freescale-era MC68HC912B32 specification - sources engineers otherwise have to piece together manually.

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MCHLC705KJ1CDWE - 8-Bit HC05 MCU 4MHz OTP 16-SOIC | NXP
MCHLC705KJ1CDWE

MCHLC705KJ1CDWE - 8-Bit HC05 MCU 4MHz OTP 16-SOIC | NXP

The NXP (Freescale) MCHLC705KJ1CDWE is an 8-bit HC05 family microcontroller rated at 4 MHz, with 1.2KB (1.2K x 8) of one-time-programmable (OTP) program memory, 64 bytes of RAM, and 10 general-purpose I/O lines, housed in a 16-pin SOIC (7.50 mm wide body) package. On-chip peripherals include a power-on reset (POR) and a watchdog timer (WDT). An 8-bit microcontroller is a single-chip computer that integrates a CPU core, program memory, data RAM, I/O ports, and timing peripherals on one die, sitting at the lowest tier of the embedded processor hierarchy (MCU -> embedded processor -> processor). The Motorola/Freescale HC05 (68HC05) architecture was one of the most widely deployed 8-bit MCU families of the 1990s, using an accumulator-based core with memory-mapped I/O. Key features of the MCHLC705KJ1CDWE include the 4 MHz HC05 core (8-bit), 1.2KB OTP program memory for firmware storage without an external memory device, 64 bytes of on-chip RAM for variables and stack use, and integrated POR/WDT functions that improve system reliability by recovering the MCU from lock-ups and brown-out conditions without external supervisor components. Technically, the OTP variant of the HC705KJ1 allows one firmware programming cycle, in contrast to mask-ROM versions (MC68HC05KJ1) which are factory-programmed and cannot be changed after manufacture. This makes the OTP version suited to pilot runs and low-to-medium volume production where ROM mask charges are not justified. Typical applications include small appliance control, simple consumer electronics, low-cost industrial timers, and legacy replacement boards still designed around the HC05 ecosystem. Design consideration: because this device is obsolete per its part status and OTP memory cannot be erased, always validate firmware fully before programming, and secure spare stock or a redesign path for new designs. This page consolidates distributor pricing, stock signals, drop-in family alternatives, and practical design notes not found in a single manufacturer datasheet.

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