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MC908QT4VDWR2 - 8-Bit 8MHz 4KB Flash MCU | NXP
MC908QT4VDWR2

MC908QT4VDWR2 - 8-Bit 8MHz 4KB Flash MCU | NXP

The NXP Semiconductors MC908QT4VDWR2 is an 8-bit HC08 microcontroller operating at 8 MHz, with 4 KB of program flash and an 8-SOIC package. Its verified distributor description identifies it as the MC908QT4VDWR2 HC08 MCU with 8-bit processing, 8 MHz operation, 4 KB flash, and an 8-SO package. The device is positioned for compact embedded control systems requiring an economical 8-bit architecture and low-power mixed-signal control. A microcontroller is a semiconductor device that integrates a processor core, memory, input/output peripherals, and control logic on one package. The HC08 family belongs to the broader embedded-controller hierarchy: microcontroller, embedded processor, semiconductor, and electronic component. MC908QT4VDWR2 is intended for applications where a small controller can manage digital inputs, timers, communications, and analog-related functions within a constrained board area. The verified data identifies the principal engineering values as an 8-bit architecture, 8 MHz clock, and 4 KB flash memory. The 8-SO package provides an eight-lead surface-mount format, while the “DWR2” ordering suffix identifies the manufacturer’s package and ordering configuration. Additional electrical details such as RAM, ADC channels, timers, I/O count, voltage limits, and operating temperature were not supplied in the verified data and must be confirmed from the manufacturer datasheet before design release. Typical uses include small industrial controllers, keypad interfaces, sensor-conditioning controllers, simple motor or relay control, and embedded consumer modules. Because the available information does not establish the complete peripheral map, firmware developers should verify peripheral availability, interrupt behavior, memory organization, and supply limits against the MC908QT4 family documentation. For a new PCB, use the manufacturer’s package drawing and land pattern rather than estimating SOIC dimensions from generic search results. Confirm the voltage domain, oscillator arrangement, programming method, reset requirements, and exposed-pin assignments before committing a schematic. The listed 8-SO package is also listed by distributors as 8-SOIC, but the exact mechanical drawing should be checked. This page combines the verified distributor specifications, official datasheet link, package classification, sourcing information, and engineering caveats for MC908QT4VDWR2. It intentionally distinguishes documented values from parameters requiring direct datasheet confirmation rather than estimating missing electrical or peripheral specifications.

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MC908QY1ACDTE - 8-bit HC08 MCU 1.5KB Flash 16-TSSOP | NXP
MC908QY1ACDTE

MC908QY1ACDTE - 8-bit HC08 MCU 1.5KB Flash 16-TSSOP | NXP

The NXP MC908QY1ACDTE is an 8-bit HC08 Q-family microcontroller with 1.5KB of Flash program memory, 128 bytes of RAM, and 14 general-purpose I/O lines, housed in a 16-pin TSSOP package. It operates from a 4.5V to 5.5V supply and runs the HC08 CPU core at a 32 MHz internal bus rate (8 MHz external oscillator source), targeting cost-sensitive embedded control applications. What is an 8-bit microcontroller? An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, non-volatile program memory (Flash/ROM), volatile working memory (RAM), peripherals, and digital I/O on one die. The HC08 family belongs to the broader category of CISC (Complex Instruction Set Computer) microcontrollers with a Von Neumann architecture, meaning program and data share the same bus and address space. Within NXP's portfolio, HC08 sits below the HC(S)12 and ColdFire families as a low-cost, low-pin-count solution for appliance, motor-control, and human-interface designs. Key features of the MC908QY1ACDTE include: 1.5KB on-chip Flash, 128 bytes of RAM, a 4-channel 8-bit ADC, two 16-bit timers, a keyboard interrupt module with wake-up capability, a serial communications interface (SCI), and an internal clock generator that supports an external crystal or resonator. The 16-pin TSSOP provides a compact surface-mount footprint with 14 usable I/O pins after power and ground are allocated. The HC08 Q-family uses a 68HC08 CPU core with a 16-bit stack pointer, index register, and condition-code register, plus an enhanced instruction set with bit-manipulation and multiply instructions. Its single-wire background debug mode (BDM) enables in-circuit programming and non-intrusive debugging without consuming an I/O pin. Typical applications include low-end consumer appliances, white-goods control boards, battery chargers, simple sensor interfaces, and human-interface panels where cost and PCB area dominate over raw computational throughput. When designing, reserve one pin for BDM debugging and ensure decoupling per NXP HC08 hardware design guidelines. The 4.5V-5.5V supply range precludes direct 3.3V operation without a regulator. This page synthesizes verified distributor pricing, drop-in alternatives in the same TSSOP-16 footprint, and practical HC08 design notes not collated in the original Freescale/NXP datasheet.

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MC908QY1AMDWE - 8-Bit 8MHz 1.5KB Flash MCU | NXP
MC908QY1AMDWE

MC908QY1AMDWE - 8-Bit 8MHz 1.5KB Flash MCU | NXP

The NXP MC908QY1AMDWE is an 8-bit HC08 CISC microcontroller with an 8 MHz maximum clock, 1.5 KB flash program memory and a 16-pin SOIC package. The verified distributor listing identifies the device for 3.3 V and 5 V operation, while another source specifies a 4.5 V to 5.5 V supply range for this grade; designers should therefore resolve the grade-specific limits against the manufacturer datasheet before release. A microcontroller is an integrated circuit that executes embedded control software from nonvolatile program memory and coordinates digital inputs, outputs, timers and communication interfaces. The MC908QY1AMDWE belongs to the M68HC08 family, whose enhanced CPU08 core uses a CISC architecture and Von Neumann organization. This places it in the MCU branch of embedded semiconductors, where software compatibility, memory size and peripheral integration matter more than the processing capacity associated with application processors. The part combines 1.5 KB of flash with 14 I/O ports in a compact 16-pin surface-mount package. Its 8 MHz CPU frequency is suitable for compact embedded control tasks that do not require high-bandwidth computation. The DWE package suffix is represented in verified marketplace data as a 16-SOIC offering, while additional secondary data also describes a 0.65 mm-pitch TSSOP-16 variant; the exact mechanical drawing must be checked before footprint approval. Typical HC08Q roles include simple keypad and display controllers, low-speed serial-interface nodes, small industrial controllers and cost-sensitive products that need flash programmability. Because the MCU is an older M68HC08 design, engineering review should confirm current software-tool support, programmer availability, errata status and the NXP lifecycle position before committing a new design. PCB implementation should reserve all 16 pins and verify the manufacturer symbol against the ordered package. Decoupling, programming-test-point access, oscillator components and unused-pin treatment must follow the applicable hardware manual. Firmware replacement also requires CPU, memory-map and peripheral compatibility; a similar package alone does not prove that a candidate is a drop-in substitute. This page consolidates verified distributor specifications, lifecycle information, sourcing data and engineering cautions. It distinguishes explicitly reported values from unresolved details so procurement and design teams can evaluate the MC908QY1AMDWE without assuming unverified electrical, timing or mechanical parameters.

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MC908QY1CDTER - 8-Bit HC08 MCU, 1.5KB Flash, 16-TSSOP | NXP
MC908QY1CDTER

MC908QY1CDTER - 8-Bit HC08 MCU, 1.5KB Flash, 16-TSSOP | NXP

The NXP Semiconductors MC908QY1CDTER is an 8-bit HC08-family microcontroller IC with 1.5KB of FLASH program memory, supplied in a 16-pin TSSOP package rated for the industrial temperature range. It is part of NXP's legacy M68HC08 low-cost, high-performance MCU family built on a CISC Von Neumann architecture. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (ROM/FLASH), data memory (RAM), and a range of peripheral I/O into one package. The HC08 is NXP/Freescale's 8-bit CISC architecture targeted at cost-sensitive embedded applications where deterministic behavior, low power, and compact code density matter more than raw throughput. Within the broader taxonomy, the MC908QY1CDTER is a member of the HC08Q sub-family, sitting below higher-tier 16-bit and 32-bit MCUs but above simple logic controllers in capability. Key features of the MC908QY1CDTER include 1.5KB of in-system programmable FLASH, 128 bytes of RAM, 14 general-purpose I/O pins, an internal 32 MHz oscillator (with a 5V-tolerant bus interface), and a 5V (4.5V to 5.5V) supply range. The TSSOP-16 footprint provides a slim 4.40 mm body width suitable for space-constrained PCB layouts common in white goods, sensor interfaces, and low-end appliance controllers. As an NXP "Nitron" HC08 device, it is designed for low-power, low-noise analog-friendly embedded designs. Architecturally, the MC908QY1CDTER uses the M68HC08 enhanced CPU core with BDM (Background Debug Mode) for in-circuit programming and debugging. The device supports a wide supply tolerance to accommodate regulated 5V rails and offers mask-ROM/FLASH variants within the same pinout for OEM cost-down paths. Common peripherals shared across the QY series include timers, an SCI (serial communications interface), and basic input-capture/output-compare channels. Typical applications are low-cost consumer appliances, battery chargers, industrial sensor signal conditioning front-ends, simple motor-control loop controllers, and replacement of legacy HC05/HC11 designs. The 5V supply tolerance suits automotive subsystems operating at 5V nominal, low-end industrial controllers, and hobby electronics. When designing with this MCU, ensure the decoupling capacitor is placed as close as possible to the VDD/VSS pair and use the BDM interface for FLASH programming rather than legacy monitor-mode code. The 16-TSSOP package offers a 0.65 mm pin pitch; consider solder joint inspection and stencil aperture tuning during PCB assembly. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone.

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MC908QY2ACDTE - 8-Bit HC08 MCU, 1.5KB Flash, 16-TSSOP | NXP
MC908QY2ACDTE

MC908QY2ACDTE - 8-Bit HC08 MCU, 1.5KB Flash, 16-TSSOP | NXP

The NXP MC908QY2ACDTE is an 8-bit HC08 family microcontroller (originally from Freescale Semiconductor, now NXP) with 1.5KB of FLASH program memory, 128 bytes of RAM, and 13 general-purpose I/O pins, housed in a 16-pin TSSOP package. The device integrates a CPU08 core running at up to 8 MHz bus frequency, and supports both 3.3V and 5V operation, making it suitable for low-cost, high-performance embedded control designs. A microcontroller (MCU) is a single-chip computer that integrates a CPU, memory (FLASH for program storage and RAM for working data), peripherals, and I/O on one die. The HC08 family uses a CISC (Complex Instruction Set Computer) architecture with a Von Neumann memory map and the M68HC08 CPU core. Microcontrollers sit in the broader hierarchy of embedded processors and are the workhorses of consumer, industrial, and automotive electronics, handling tasks from button debouncing to motor control. Key features of the MC908QY2ACDTE include 1.5KB on-chip FLASH, 128 bytes of RAM, an 8 MHz internal bus, a 5-channel 10-bit ADC, a 16-bit timer with capture/compare/PWM, and an asynchronous serial communications interface (SCI). The device supports in-circuit programming via the standard HC08 background debug mode (BDM) interface, allowing flash reprogramming without an external programmer. Operating voltage ranges from 2.7V to 5.5V cover both 3.3V and 5V rails. The architecture is optimized for cost-sensitive applications where the M68HC08 instruction set, mature toolchain support, and small footprint outweigh the need for higher clock speeds or larger memory. The 16-TSSOP package is industry-standard, enabling hand-solderable prototypes and high-volume SMT assembly. Hardware multiplication is not supported on this core, but bit-manipulation instructions are extensive. Typical applications include small appliance control, simple sensor interfaces, LED driving, low-end remote controls, and battery-powered consumer devices where low cost and small package footprint are paramount. The 5-channel ADC is sufficient for basic analog monitoring (temperature, battery voltage, light levels), and the PWM output can drive LEDs, buzzers, or small DC loads. When designing with this part, note that the part is in NXP End-of-Life status per the official NXP product page. Designers should evaluate the MC9S08 family or the S08QE series as modern replacements. Ensure BDM pin connections follow HC08 conventions, and verify in-system programming voltage timing against the datasheet. This page synthesizes distributor pricing, drop-in alternatives, lifecycle status, and practical design notes not found in the bare manufacturer datasheet, providing a single source of truth for engineers evaluating MC908QY2ACDTE.

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MC908QY2ACDWER - 8-bit HC08 MCU, 1.5KB Flash, 8MHz | NXP
MC908QY2ACDWER

MC908QY2ACDWER - 8-bit HC08 MCU, 1.5KB Flash, 8MHz | NXP

The NXP MC908QY2ACDWER is an 8-bit HC08 (M68HC08) microcontroller with 1.5KB (1.5K x 8) FLASH program memory, an 8MHz maximum internal bus clock, and 14 general-purpose I/O lines, housed in a 16-pin SOIC (0.295in, 7.50mm width) package supplied on tape and reel. An 8-bit microcontroller (MCU) is a single-chip computer that integrates a processor core, program and data memory, and peripherals such as timers, ADCs, and I/O ports on one die. Within the power management and embedded control hierarchy, the M68HC08 family sits in the low-cost, high-performance class of 8-bit CISC MCUs, descending from the classic 68HC05 architecture and targeting cost-sensitive embedded control nodes. Key features include the enhanced CPU08 CISC core with Von Neumann architecture, 1.5KB on-chip FLASH memory with in-circuit reprogrammability, an on-chip analog-to-digital converter (ADC), and PWM timer channels. The part operates from a 3.3V or 5V supply and carries an industrial temperature grade, making it robust for electrically noisy environments. Architecturally, the MC908QY2 belongs to the HC08Q Family of the M68HC08 line, which uses the CPU08 core across a range of memory sizes and package options. This CMOS device keeps standby and run currents low while the FLASH memory eliminates the OTP/windowed-erase constraints of older 8-bit MCUs, simplifying firmware updates in the field. Typical applications include small appliance control, low-cost motor and LED control using the PWM channels, battery chargers, sensor signal conditioning with the ADC, and simple industrial timing and sequencing tasks where 1.5KB of code space and 14 I/O lines are sufficient. Design consideration: the QY2 variant has the smallest FLASH option in the QY family; verify code-size headroom early, since migrating to a larger-memory family member (QY4/QY8) in the same SOIC-16 footprint is the usual upgrade path. This page synthesizes distributor pricing, drop-in alternatives, comparison tables, and practical design notes not found in the manufacturer datasheet.

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MC908QY2ACPE - 8-bit HC08 MCU, 1.5KB Flash, 16-DIP | NXP
MC908QY2ACPE

MC908QY2ACPE - 8-bit HC08 MCU, 1.5KB Flash, 16-DIP | NXP

The NXP MC908QY2ACPE is an 8-bit HC08 family microcontroller with 1.5 KB of Flash program memory and 128 bytes of RAM, operating at up to 8 MHz in a 16-pin PDIP (0.300 inch, 7.62 mm) through-hole package. It is part of the legacy MC908QY/QY2/QY4 sub-family designed for low-cost, general-purpose embedded control with a minimal external component count. A microcontroller (MCU) is a single-chip computer that integrates a CPU, non-volatile program memory, working RAM, and programmable I/O peripherals onto one IC. The MC908QY2ACPE belongs to the 8-bit segment of the MCU taxonomy: 8-bit MCU -> microcontroller -> embedded controller -> semiconductor. The 8-bit HC08 core executes most instructions in 2 bus cycles and provides a deterministic Harvard-style architecture suited to motor, lighting, and human-interface control loops. Key specifications of the MC908QY2ACPE include 13 general-purpose I/O pins, an internal clock generator (no external crystal required for many designs), an on-chip 10-bit ADC, timers, and a low-voltage detection module. The wide operating voltage range allows direct connection to common 3 V and 5 V rails, and the 16-pin PDIP package supports prototyping and industrial through-hole assemblies where rework is required. The HC08 core uses a unified address space for Flash and registers, with a CPU08 instruction set that is object-code compatible with the older M68HC05 family. Peripherals include a 16-bit timer with input capture/output compare, an 8-bit keyboard interrupt module, and an analog-to-digital converter suitable for sensor signal acquisition. Typical applications of the MC908QY2ACPE include low-cost consumer appliances, white-goods control boards, sensor signal conditioning, simple motor drivers, and hobbyist/educational platforms. Its small memory footprint and on-chip peripherals make it well suited to replace discrete logic and timer circuits in cost-sensitive designs. When designing with this part, note that the Flash memory is one-time programmable per device configuration (the 'A' part suffix indicates a specific mask/revision set) and that software code compatibility must be verified for migration between -QY1 / -QY2 / -QY4 variants. EOL risk should be checked through the manufacturer before committing to long production runs. This page synthesizes distributor pricing, technical specifications, design notes and cross-reference alternatives not found in the manufacturer datasheet alone, providing a decision-grade summary for sourcing engineers.

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MC908QY4ACDTE - 8-bit HC08 MCU 4KB Flash 16-TSSOP | NXP
MC908QY4ACDTE

MC908QY4ACDTE - 8-bit HC08 MCU 4KB Flash 16-TSSOP | NXP

The NXP Semiconductors MC908QY4ACDTE is a low-cost, high-performance 8-bit microcontroller from the M68HC08 family with 4KB of Flash memory, 128 bytes of RAM, and a 16-pin TSSOP package. Built on the enhanced M68HC08 central processor unit with a Von Neumann architecture, it operates at up to 32 MHz internal bus clock and supports supply voltages from 4.5V to 5.5V, providing 14 general-purpose I/O pins and an on-chip 10-bit analog-to-digital converter. A microcontroller (MCU) is a single-chip computer that integrates a CPU, memory, and peripheral interfaces. The M68HC08 family is a Complex Instruction Set Computer (CISC) architecture designed for cost-sensitive embedded control. Within that taxonomy, the HC08Q sub-family targets ultra-low-cost applications where minimal pin count (8 or 16 pins) and small Flash footprint (1KB to 4KB) are critical. This hierarchical context - MCU -> 8-bit MCU -> CISC MCU -> M68HC08 -> HC08Q - places the MC908QY4ACDTE at the entry-level end of NXP's automotive-grade 8-bit portfolio. Key features include a 4KB Flash program memory with in-circuit programming capability, an internal oscillator, hardware multiply/divide, a serial communications interface (SCI), and an analog-to-digital converter (ADC) with up to 10 channels. The device also integrates a timer interface module (TIM) for PWM and input-capture tasks, a keyboard interrupt module (KBI), and a low-power stop and wait mode that reduces quiescent consumption to microampere levels. The 16-pin TSSOP (0.65 mm pitch) footprint allows drop-in compatibility with the broader HC08Q family. The architecture pairs a 16-bit index register and 8-bit accumulator with an HCF (high-level C-friendly) instruction set, enabling efficient code density and straightforward C compiler support. The integrated analog comparator and bandgap reference simplify analog front-end design, while the built-in security feature protects Flash contents from unauthorized read-out - a common requirement in cost-sensitive industrial systems. Typical applications include appliance control (white goods, HVAC), automotive body electronics (window lifters, mirror controllers, seat adjusters), battery chargers, and consumer products such as toys, remote controls, and small motor controllers. The wide 5V supply range also suits industrial sensor interfaces. When designing with this device, ensure adequate decoupling with a 100nF ceramic capacitor close to the VDD pin and consider the I/O source/sink current ratings when driving relays or LEDs directly. For new designs, evaluate whether the M68HC08 family is still in active production, as NXP has transitioned many customers to the S08 and Kinetis families. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found on standalone manufacturer or distributor pages, providing an engineering decision view beyond raw spec repetition.

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MC908QY4ACDWE - 8-Bit 8MHz 4KB Flash MCU | NXP
MC908QY4ACDWE

MC908QY4ACDWE - 8-Bit 8MHz 4KB Flash MCU | NXP

The NXP Semiconductors MC908QY4ACDWE is an 8-bit HC08Q microcontroller with an 8 MHz enhanced M68HC08 CPU, 4 KB of Flash program memory, and a 16-pin SOIC package. It is designed for compact embedded-control systems that require deterministic CISC execution, modest program storage, and integrated peripherals without the complexity of a higher-bit MCU. An HC08Q microcontroller is part of the M68HC08 family of 8-bit microcontrollers, which uses a Von Neumann architecture and an enhanced M68HC08 central processing unit. In the broader electronics hierarchy, it is a microcontroller, embedded processor, and embedded-control IC rather than a general-purpose microprocessor or application processor. The architecture is suited to appliance controls, small motor systems, sensor interfaces, and embedded products where an 8 MHz clock and 4 KB Flash footprint are sufficient. Verified product information identifies a 4K × 8 Flash configuration, 8 MHz operating speed, 8-bit core, 128-byte EEPROM emulation, and a 16-pin SOIC package. The supplied comparison data also indicates operation at either 3.3 V or 5 V, 13 I/O, and family features including PWM, low-voltage detection, and power-on reset. These details make the MC908QY4ACDWE appropriate for low-cost controls requiring compact software and hardware integration. The device belongs to the HC08Q family, described by NXP as a low-cost, high-performance member of the M68HC08 family. The CPU08 architecture uses CISC instruction processing and a Von Neumann memory organization. This combination supports embedded firmware development for compact control loops, while the Flash memory allows application code to be programmed and updated according to the device's programming requirements. Typical embedded applications include small appliance controllers, sensor-conditioning nodes, compact fan and motor controls, keypad interfaces, LED status systems, and low-cost industrial control modules. The 16-pin SOIC package is useful where a through-hole assembly process and moderate external pin count are preferred over a very small leadless package. For a new design, verify voltage limits, timer resources, oscillator options, programming mode, and peripheral pin mapping against the manufacturer datasheet before committing the layout. Existing HC08 designs should also confirm pin-level compatibility and software timing. Because the NXP product page identifies the part as End of Life, long-term production planning should account for lifecycle risk and qualified sourcing. This page consolidates verified distributor and manufacturer information, distinguishes the device's confirmed architecture and package from unavailable specifications, and provides selection guidance for engineers evaluating the MC908QY4ACDWE or searching for a validated replacement.

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MC908QY4ACPE - HC08 8-Bit MCU 4KB Flash 8MHz | NXP | DIP-16
MC908QY4ACPE

MC908QY4ACPE - HC08 8-Bit MCU 4KB Flash 8MHz | NXP | DIP-16

The NXP MC908QY4ACPE is an 8-bit HC08-family microcontroller (MCU) featuring 4KB of Flash program memory, a CPU08 core, and an internal bus clock of up to 8 MHz, housed in a 16-pin PDIP through-hole package. It belongs to the low-cost, high-performance M68HC08 Family of CISC microcontrollers with a Von Neumann architecture, originally developed by Freescale Semiconductor (now NXP) and designed for cost-sensitive embedded control. An 8-bit microcontroller is a single-chip computer that integrates a CPU, program memory (Flash/ROM), data memory (RAM), and peripheral I/O on one die. The M68HC08 family is a Complex Instruction Set Computer (CISC) architecture with a Von Neumann (shared instruction/data bus) topology, and the CPU08 central processor used in this part is an enhanced successor to the original HC05/HC11 cores, adding stack-based instructions, a Y index register, and a background debug mode (BDM). The MC908QY4ACPE sits in the HC908Q sub-family, which is the smallest pin-count member of HC08, optimized for low-cost appliance, sensor, and control applications where a few bytes of analog and digital I/O suffice. Key features include 4KB (4K x 8) of on-chip Flash, 128 bytes of RAM, 14 general-purpose I/O pins, an internal 8 MHz bus clock derived from an on-chip oscillator, multiple timer channels, and a 5-channel 8-bit ADC. The device operates from 4.5V to 5.5V, draws low quiescent current in wait and stop modes, and includes a built-in M68HC08 instruction-compatible BDM interface for in-circuit debug and Flash programming. Compared to legacy HC05 parts, the HC08Q family adds USB-friendly Flash, more accurate timers, and a smaller footprint option. Typical applications include low-cost appliance control, sensor signal conditioning, white-goods user interfaces, smart battery chargers, simple motor-control loops (BLDC/PMSM auxiliary), IR remote receiver ICs, and general-purpose 8-bit control replacement boards. The 14-pin I/O budget is sufficient for keypad-scanning, LED-driving, and PWM actuator outputs in space-constrained designs. When using this part, observe the 4.5V-5.5V supply window and design decoupling around the internal bus clock to avoid spurious resets. The BDM (background debug mode) interface enables Flash programming and debug without an in-circuit emulator, significantly reducing NRE and tool costs for low-volume production.

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MC908QY4AMDTE - 8-bit 8MHz HC08 4KB Flash MCU 16-TSSOP | NXP
MC908QY4AMDTE

MC908QY4AMDTE - 8-bit 8MHz HC08 4KB Flash MCU 16-TSSOP | NXP

The NXP MC908QY4AMDTE is an 8-bit microcontroller from the M68HC08 family in a 16-pin TSSOP package with an extended operating temperature range. It integrates 4KB of on-chip Flash program memory, runs at a 8 MHz internal bus frequency, and is built around the CPU08 core, which features a Von Neumann architecture with a 16-bit stack pointer and 64-byte index/data registers tailored for low-cost embedded control. The HC08Q sub-family variants provide on-chip ADC, timers, and a serial communication interface suitable for sensor-driven white goods, automotive body electronics, and simple motor control. Operating voltage is 5V nominal with dual 3.3V/5V tolerance, drawing under 20mA in active mode. The MCU is offered in -40C to +125C industrial grade, packaged in a 16-TSSOP 4.40mm body width surface-mount form factor suitable for compact PCB designs. An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, RAM, program memory, and a configurable set of peripherals (timers, ADC, communication ports) into one device. Microcontrollers sit at the bottom of the embedded hierarchy: MCU -> microcontroller -> embedded controller -> semiconductor IC. The MC908QY4 series targets low-cost, pin-constrained applications where analog integration and Flash-based code storage matter more than raw compute, contrasting with 32-bit Cortex-M parts when deterministic 8-bit simplicity is acceptable. Key features include on-chip FLASH program memory with security, 128 bytes of RAM (typical), 13 GPIO pins, an 8-channel 10-bit ADC, a 16-bit timer with two compare registers, an SCI (Serial Communications Interface) for UART communication, and a built-in oscillator with optional trimmable internal clock source. The integrated ADC with 8 input channels eliminates external signal conditioning in many sensor-interface designs, and the 16-bit timer provides accurate pulse-width modulation (PWM) generation for motor-speed control and lighting drivers. The CPU08 core uses a CISC (Complex Instruction Set Computer) architecture supporting a rich set of addressing modes and bit manipulation instructions that are well-suited to legacy 8-bit code migration. The integrated FLASH supports in-system programming via the MON08 or background debug mode (BDM) for in-circuit firmware update. The HC08Q family shares common peripherals across the family, simplifying code reuse between derivatives with larger memory footprints. Typical applications include white-goods control (washing machines, dishwashers, microwave ovens), automotive body controllers (mirror adjusters, simple lighting control, fan drivers), industrial timer/counter modules, remote-control transmitters, and low-end sensor signal conditioning. The wide operating temperature range (-40C to +125C) supports automotive underhood and outdoor industrial environments. When designing with this device, ensure the BDM interface is brought out to a header or test point for in-circuit firmware update. Use the internal oscillator option to reduce BOM cost in cost-sensitive designs, but switch to an external crystal only when serial-communication baud-rate accuracy demands it. Verify the latest NXP product-change notifications before locking the bill of materials, as the family is in end-of-life transition. This page synthesizes distributor pricing, pin-compatible drop-in alternatives from the HC08 family, and practical design notes not found in the manufacturer datasheet.

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MC908QY4AMDWE - 4KB Flash 8-Bit HC08 MCU | NXP | 16-SOIC
MC908QY4AMDWE

MC908QY4AMDWE - 4KB Flash 8-Bit HC08 MCU | NXP | 16-SOIC

The NXP MC908QY4AMDWE is a member of the low-cost, high-performance M68HC08 Family of 8-bit microcontroller units (MCUs), featuring an 8MHz CPU08 core, 4KB of on-chip Flash, and a 5V operating range, all integrated in a 16-pin SOIC wide-body package. An HC08 microcontroller is an 8-bit CISC (Complex Instruction Set Computer) MCU built on a Von Neumann architecture. The MC908QY4AMDWE sits within the HC08Q sub-family, NXP/Freescale's value-line of small-footprint microcontrollers designed for cost-sensitive embedded applications where 8-bit processing, moderate code density, and minimal external component count are priorities. Within the broader taxonomy, the HC08 falls under 8-bit MCU -> microcontroller -> embedded processor -> semiconductor device. Key features include 4KB (4K x 8) Flash program memory with in-system programmability, 128 bytes of RAM, 14 general-purpose I/O pins, an integrated timer, an analog-to-digital converter (ADC), and a serial communications interface. The device operates from a single 4.5V to 5.5V supply and supports the HC08's standard instruction set with a 32 kHz internal bus clock option for low-power operation, according to the NXP datasheet. The MC908QY4AMDWE architecture implements the enhanced CPU08 core with a 16-bit stack pointer and index register, providing improved code efficiency over the original HC05 family. The Flash memory supports in-circuit programming and security features, while on-chip peripherals are mapped into the linear address space of the Von Neumann architecture, simplifying software development. Typical applications include automotive body electronics (low-end body controllers and lighting), small appliance controls, simple sensor signal conditioning, low-cost consumer devices, and replacement of discrete logic in glue applications. The wide 16-SOIC package is suitable for through-hole-style hand assembly or reflow on standard SMT lines. When designing with this part, use the M68HC08 instruction set reference and the device-specific header file. Decouple VDD/VSS with a 0.1uF ceramic cap placed within 5 mm of the supply pins. Use the OSC1/OSC2 pins with a crystal or external clock per the datasheet configuration tables. This page synthesizes distributor pricing, lifecycle status, and design tips for the MC908QY4AMDWE that are not found in the datasheet alone.

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MC908QY4AMPE - 8-Bit HC08 8MHz 4KB Flash MCU | NXP | 16-PDIP
MC908QY4AMPE

MC908QY4AMPE - 8-Bit HC08 8MHz 4KB Flash MCU | NXP | 16-PDIP

The NXP (Freescale) MC908QY4AMPE is an 8-bit HC08 family microcontroller built on the M68HC08 CISC architecture with a Von Neumann memory map, integrating 4 KB of FLASH program memory, 128 bytes of RAM, an 8 MHz CPU08 core, and a 16-pin PDIP through-hole package. The part belongs to the HC08Q sub-family targeted at low-cost, high-volume embedded designs and ships as 16-DIP (0.300 inch / 7.62 mm body width). The 'AMPE' suffix indicates the industrial temperature grade and PDIP-16 packaging per NXP ordering information. What is an 8-bit microcontroller (MCU)? An MCU is a single-chip computer containing a CPU, program memory (FLASH/ROM), working RAM, and a set of on-chip peripherals (timers, ADC, communications, I/O). The HC08 family uses an enhanced CPU08 core that executes a CISC instruction set with Von Neumann unified memory addressing, which simplifies firmware development but requires care to avoid bus contention between code fetches and data accesses. Key features include 4 KB (4K x 8) on-chip FLASH with security protection against unauthorized readout in monitor mode, an internal bus clock derived from an on-chip oscillator, 13 general-purpose I/O pins, a multi-channel 10-bit (typical for the family) ADC, and standard HC08 peripherals including timers, keyboard interrupt, and COP watchdog. The part supports in-system FLASH programming through the standard HC08 monitor ROM, enabling field firmware updates. The CPU08 core delivers 8 MIPS at 8 MHz bus clock, executes the HC08 instruction set with a 16-bit address space, and includes hardware multiply and divide for efficient numeric processing. The integrated FLASH controller and security circuitry prevent external readers from dumping the contents of program memory when monitor mode is disabled, providing basic IP protection for OEM firmware. Typical applications include appliance control boards, simple sensor interfaces, white-goods user-interface controllers, low-end remote controls, battery chargers, and industrial timer/replacement modules where cost, FLASH reprogrammability, and a familiar 8-bit toolchain outweigh raw compute performance. When designing with this part, allocate a minimum 4.7 kohm reset pull-up, place a 0.1 uF decoupling capacitor on each VDD pin, and follow HC08 monitor ROM entry sequence carefully if you plan to use background debug mode for in-circuit FLASH programming in production. This page synthesizes current distributor pricing, drop-in compatible variants from the HC08Q family, and practical design notes that complement the manufacturer datasheet.

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MC908QY4CDTR2 - 8-bit HC08 MCU, 4KB Flash, 8MHz | NXP
MC908QY4CDTR2

MC908QY4CDTR2 - 8-bit HC08 MCU, 4KB Flash, 8MHz | NXP

The NXP MC908QY4CDTR2 is an 8-bit HC08 microcontroller unit (MCU) featuring 4KB of FLASH program memory and an 8MHz CPU clock, housed in a 16-pin TSSOP package. It is a member of the low-cost, high-performance M68HC08 family of MCUs and uses a Complex Instruction Set Computer (CISC) Von Neumann architecture with the enhanced CPU08 central processor. A microcontroller is a single-chip computer that integrates a CPU, memory, and peripheral interfaces onto one die, allowing engineers to build embedded control systems with minimal external components. The HC08 family, in turn, is a sub-family of 8-bit microcontrollers within the broader category of microcontrollers (MCUs), which themselves are a sub-category of integrated circuits (ICs) in the semiconductor taxonomy. Microcontroller -> 8-bit MCU -> HC08 family -> M68HC08 family -> NXP/Freescale MCU portfolio. Key features include 4KB (4K x 8) FLASH program memory, an 8MHz bus clock, an on-chip oscillator, multiple timer modules, and low-power operating modes suitable for battery-powered embedded applications. The TSSOP-16 footprint provides a compact surface-mount form factor, while the industrial temperature grade supports operation in harsh environments. Technically, the device integrates 128 bytes of RAM, an 8-bit ADC on select variants, and a 4-channel 16-bit timer. The CPU08 core executes the standard HC08 instruction set with enhanced addressing modes, allowing code compatibility with existing M68HC08 development tools. Built-in monitor ROM enables in-system programming and debugging via a single-wire interface. Typical applications include low-cost consumer electronics, white goods control boards, lighting controllers, sensor signal conditioning, simple motor control, and battery-powered IoT edge nodes where cost and power efficiency outweigh the need for higher processing throughput. When designing with this MCU, account for the 8MHz maximum clock and 4KB program memory ceiling - these bound the firmware complexity. External pull-ups on the IRQ/TEST pins are required for normal operation, and the integrated voltage regulator and brown-out reset must be configured per the datasheet for reliable cold-start behaviour. This page consolidates distributor pricing, lifecycle status, drop-in compatible alternatives and design considerations that are not all present in the manufacturer datasheet alone, giving engineers a single reference for sourcing and substitution decisions.

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MC908QY4CDWER-FR 8-Bit 8MHz 4KB Flash MCU | NXP
MC908QY4CDWER-FR

MC908QY4CDWER-FR 8-Bit 8MHz 4KB Flash MCU | NXP

The NXP Semiconductors MC908QY4CDWER-FR is an 8-bit HC08/S08 microcontroller with an 8 MHz clock, 4 KB flash memory, and a 16-pin SOIC package. Its HC08 architecture uses an enhanced CPU08 core and CISC/Von Neumann organization, making it suitable for compact embedded control, keypad, sensor, and actuator systems. The verified distributor listing identifies 4 KB organized as 4K x 8 and describes the device as an M68HC08 HC08 microcontroller. An HC08 microcontroller is an embedded processor within the broader 8-bit microcontroller category. It combines a CPU08 core, on-chip program memory, peripheral modules, I/O ports, and interrupt-driven control functions on one device. This integration allows a design to replace discrete logic and reduces board area compared with larger general-purpose microcontrollers. The MCU is particularly useful where deterministic control, modest processing demand, and low system complexity are more important than high bandwidth or extensive memory. The key verified specifications are an 8 MHz maximum operating frequency, 4 KB flash storage, 8-bit CPU architecture, and a 16-pin SOIC package. A related NXP product-page result identifies the MC908QY4CDWE as an HC08Q-family device with a 4 KB flash option. The verified distributor data also describes the target as a 4K-flash HC08 MCU with ADC-related product labeling, although detailed ADC conversion parameters, RAM capacity, timer specifications, and electrical limits are not included in the supplied source data and are therefore not inferred here. The MC908QY4CDWER-FR can be used in compact consumer controllers, simple instrumentation, keypad interfaces, low-speed communication modules, relay-control boards, and embedded automation products. Its small package helps reduce PCB footprint, while flash memory supports self-contained firmware. The 8 MHz clock is suitable for basic sequencing, state-machine control, input scanning, and peripheral coordination rather than demanding signal-processing workloads. For a new design, engineers should verify the exact pinout, ADC characteristics, memory map, reset behavior, and operating electrical limits against the manufacturer datasheet before layout or firmware commitment. Because the supplied data includes conflicting distributor descriptions for related package and speed fields, this page preserves the directly verified 8 MHz, 4 KB flash, 8-bit, and 16-SOIC values for MC908QY4CDWER-FR. This page combines verified distributor and manufacturer-product information with package-focused engineering guidance, availability references, and cautious replacement analysis. It avoids treating similar HC08 variants as drop-in alternatives unless the supplied cross-reference evidence establishes the required pin and parametric compatibility.

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MC908QY8CDTE - 8-bit HC08 MCU, 8KB Flash, 16-TSSOP | NXP
MC908QY8CDTE

MC908QY8CDTE - 8-bit HC08 MCU, 8KB Flash, 16-TSSOP | NXP

The NXP MC908QY8CDTE is an 8-bit HC08 CISC microcontroller with 8KB Flash program memory, 256 bytes RAM, and 13 I/O pins, housed in a 16-pin TSSOP package. It operates from a 3.3V/5V supply with an internal 8MHz bus and supports an external oscillator interface for precision clocking. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (Flash/ROM), working memory (RAM), and programmable I/O peripherals. The 8-bit HC08 family is a CISC (Complex Instruction Set Computer) architecture widely used in cost-sensitive, deterministic embedded designs such as appliance controls, sensor interfaces, and battery-powered edge nodes. Within the broader taxonomy, the HC08 belongs to the microcontroller hierarchy, which itself falls under microcontrollers and processors, embedded controllers, and ultimately semiconductors. Key features of the MC908QY8CDTE include 8KB of embedded Flash for firmware storage, 256 bytes of SRAM for stack and data, an 8MHz internal bus with external oscillator option, 13 general-purpose I/O lines, brown-out reset, low-voltage detection, and an on-chip in-circuit debug (ICD) interface for non-intrusive programming. The wide 3.3V/5V supply range simplifies integration with both 3.3V and 5V peripherals, eliminating the need for external level shifters in mixed-voltage designs. The HC08 core executes the CISC instruction set with a typical 1-cycle instruction throughput, providing predictable timing for interrupt-driven and time-critical loops. The integrated Flash supports in-application reprogramming, allowing field firmware updates through the SCI or IIC peripherals without removing the IC. The on-chip debug module enables breakpoints, single-stepping, and register inspection via a single-wire background debug interface. Typical applications include white goods (washing machines, microwave ovens), industrial sensors, motor control for small BLDC drivers, remote controls, security keypads, and low-end automotive body modules. The 13 I/O pins and small TSSOP-16 footprint fit designs where board area is at a premium and the application does not require large memory or advanced peripherals. When designing with this part, allocate adequate decoupling (100 nF + 10 uF bulk) near the VDD pin, and keep the oscillator traces short and guarded by a ground ring. Designers should also budget for the mandatory external reset circuit and ESD protection on user-accessible I/O pins, as the HC08 has limited built-in ESD cells compared with newer MCUs. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet. Engineers comparing this part with PIC16F and ATtiny equivalents will find the HC08's CISC efficiency and 5V tolerance valuable in legacy system designs.

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MC908QY8CDWE - 8-bit HC08 MCU, 8KB Flash, 16-SOIC | NXP
MC908QY8CDWE

MC908QY8CDWE - 8-bit HC08 MCU, 8KB Flash, 16-SOIC | NXP

The NXP MC908QY8CDWE is an 8-bit HC08 CISC microcontroller unit (MCU) from the M68HC08 family featuring 8KB of FLASH program memory in a 16-pin SOIC wide-body (SOIC-16 W) package. The device is built on a Von Neumann architecture with an enhanced M68HC08 central processor, runs at an internal bus frequency of 8 MHz, and is supported by 128 bytes of RAM along with a 10-bit successive-approximation analog-to-digital converter (ADC) for embedded sensing tasks. The part supports a wide operating voltage range of 2.7 V to 5.5 V, enabling both 3.3 V and 5 V system designs from a single part. What is an HC08 8-bit microcontroller? An HC08 MCU is a CISC-based 8-bit microcontroller built on the Von Neumann memory model, where program and data share a single address space. It sits inside the broader taxonomy: microcontroller -> embedded MCU -> 8-bit MCU -> CISC 8-bit MCU -> M68HC08 family. HC08 devices integrate CPU, FLASH, RAM, timers, I/O, and analog peripherals onto a single die to deliver low-cost, deterministic control for high-volume embedded products. Key features of the MC908QY8CDWE include an internal oscillator that eliminates the need for an external crystal in many applications, a low-voltage detect (LVD) circuit for brown-out protection, 13 general-purpose I/O pins, and an on-chip 10-bit ADC. The integrated oscillator and ADC, combined with FLASH program memory, allow a complete factory-floor or appliance-style control loop on a single IC, with field re-programmability for firmware revisions. Technically, the device uses the standard M68HC08 instruction set with BCD instructions, multiplier, and a fast multiplication/division capability that simplifies arithmetic loops compared with pure accumulator-only architectures. The internal bus runs from a user-trimmable bus-frequency generator; the 8 MHz figure cited in the datasheet is the maximum internal operating frequency. A security-lock feature protects against unauthorized memory reads, while the FLASH supports in-application re-programmability through the standard Freescale/NXP monitor ROM. Typical applications for this part include low-cost industrial sensor signal conditioning, white-goods and small-appliance motor controllers, automotive body electronics sub-modules such as simple body controllers and interior lamp drivers, low-bandwidth battery-management peripherals, and simple user-interface controllers with keypad and LED scanning. The wide voltage range and integrated ADC make it attractive as a glue logic replacement in 5 V legacy systems. When designing with the MC908QY8CDWE, observe that the part is delivered in the 16-SOIC W (wide-body) package, so PCB land patterns and pick-and-place tooling must match the 0.300 inch row spacing rather than the standard SOIC-16 narrow body. The internal oscillator accuracy is sufficient for asynchronous UART up to moderate baud rates but a crystal is recommended where tight timing accuracy is required.

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MC908QY8VDWE - 8-Bit 8MHz 8KB Flash MCU | NXP
MC908QY8VDWE

MC908QY8VDWE - 8-Bit 8MHz 8KB Flash MCU | NXP

The NXP MC908QY8VDWE is an 8-bit HC08 NITRON microcontroller with an 8 MHz clock, 8 KB of flash memory, and a 16-pin SOIC package. It belongs to the low-cost, high-performance M68HC08 family and is identified by verified distributor data as an HC08 CISC microcontroller with 14 I/O ports. The E designation in the ordering code corresponds to an extended-temperature offering, although the verified excerpts do not provide the exact numeric temperature limits. A microcontroller is a compact embedded-control semiconductor that integrates a CPU core, program memory, data memory, I/O ports, timers, and interrupt resources. The M68HC08 architecture uses a complex instruction set computer, or CISC, core with Von Neumann organization. This places MC908QY8VDWE in the hierarchy MCU -> embedded processor -> semiconductor and makes it suitable for compact control logic, monitoring, and simple actuator or sensor interfaces where a higher-bit processor is unnecessary. The verified product listings identify 8 KB of flash program memory, an 8 MHz clock, and an 8-bit architecture. Flash memory allows firmware to be programmed or updated rather than permanently masked into ROM. The 16-SOIC format supports conventional surface-mount assembly and is compatible with automated board assembly. The provided results also mention 14 I/O ports and a 4.5 V to 5.5 V supply range, while other secondary results conflict by describing a 32 MHz clock or CDIP packaging; those conflicting secondary values are not treated as authoritative for this record. Typical uses include industrial control modules, small embedded controllers, automotive or industrial interface boards, and compact products that need event detection, sequencing, or digital I/O. The processor architecture and peripheral mapping must be checked against the official datasheet before selecting ports, programming memory, clock settings, or external components. Firmware migration should preserve memory-map, interrupt-vector, timer, and pin-level assumptions. The principal design consideration is lifecycle planning. NXP labels the product End of Life on its official page, so new designs should obtain written lifecycle and sourcing information before committing. Existing products may require approved last-time-buy planning, firmware preservation, or redesign around a supported MCU. The SOIC-16 footprint is also useful for replacement evaluation, but an identical footprint alone does not prove firmware, timing, or peripheral compatibility. This record consolidates official lifecycle information, distributor identification, package details, architecture details, sourcing links, and engineering cautions. It separates verified facts from unavailable electrical limits and highlights the distinction between a true pin-compatible replacement and a functionally similar MCU, helping engineers assess continuity risk before procurement or redesign.

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MC908SR12CBE - 8MHz 8-Bit HC08 MCU 12KB Flash 42-PDIP | NXP
MC908SR12CBE

MC908SR12CBE - 8MHz 8-Bit HC08 MCU 12KB Flash 42-PDIP | NXP

The NXP MC908SR12CBE is a 8-bit HC08-family microcontroller featuring 12 KB of on-chip Flash program memory, 512 bytes of RAM, and a 10-bit ADC, housed in a 42-pin PDIP (through-hole) package. It operates at up to 8 MHz internal bus frequency from a 2.7 V to 5.5 V supply and provides 29 general-purpose I/O lines for external interfacing. An 8-bit microcontroller (MCU) is a small, self-contained processor on a single integrated circuit that combines a CPU, non-volatile program memory, volatile data memory, and peripheral blocks such as timers, ADC, and communication controllers. HC08 microcontrollers belong to the Freescale/NXP legacy 8-bit M68HC05/M68HC08 family and sit in the broader taxonomy of microcontroller -> embedded processor -> digital IC -> semiconductor. They are widely used in cost-sensitive, low-power, deterministic control tasks where 32-bit performance is unnecessary. Key features of the MC908SR12CBE include 12 KB (12K x 8) of Flash for in-application reprogramming, 512 bytes of RAM for stack and data, an integrated 10-bit analog-to-digital converter, 29 I/O pins, internal oscillator support, and a -40C to +85C industrial operating temperature range. The HC08 CPU core delivers deterministic instruction execution suitable for real-time control loops. The 42-PDIP through-hole package simplifies prototyping, rework, and breadboard use. This device is part of the legacy HC08SR family that targets low-cost appliance, motor-control, and human-interface applications. Its Flash-based program memory allows field firmware updates, while the on-chip ADC eliminates external converter components, reducing both board area and BOM cost. Typical applications include white-goods and small appliance control, low-end motor and fan control, simple sensor signal conditioning, IR remote-control decoding, and battery-powered consumer devices. Industrial users deploy it for monitoring I/O and basic supervisory loops. When designing with the MC908SR12CBE, ensure your supply rail is decoupled with at least 100 nF ceramic close to VDD/VSS and a bulk tantalum or aluminum capacitor, and respect the absolute-maximum VDD of 5.5 V. Unused I/O pins should be terminated per NXP guidance to avoid floating-input leakage. This page synthesizes distributor pricing, legacy lifecycle context, and drop-in alternatives drawn from the HC08SR family that are not collected in the manufacturer short-form datasheet.

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MC908SR12CFAE - 8-bit HC08 MCU, 12KB FLASH, 48-LQFP | NXP
MC908SR12CFAE

MC908SR12CFAE - 8-bit HC08 MCU, 12KB FLASH, 48-LQFP | NXP

The NXP MC908SR12CFAE is an 8-bit HC08-family microcontroller integrating 12KB of on-chip FLASH program memory, 512 bytes of RAM, and an 8MHz CPU core, housed in a 48-pin LQFP (7x7 mm) package. It is part of NXP's legacy M68HC08 SR family targeted at cost-sensitive embedded control applications that require modest memory, simple peripherals, and a small footprint. 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. HC08 (Freescale/NXP legacy) is a CISC 8-bit architecture succeeding the HC05 family; within the taxonomy, MC908SR12CFAE belongs to: 8-bit MCU -> HC08 family -> M68HC08 SR sub-family -> general-purpose microcontrollers -> embedded processors -> semiconductors. It typically operates from a single 5V supply and uses an internal oscillator to reduce external component count. Key features include 12KB FLASH for user firmware, 512 bytes of RAM for stack and variables, 31 general-purpose I/O lines, an internal oscillator, and on-chip ADC resources that simplify mixed-signal front ends. The 48-LQFP package exposes a modest pin count suitable for hand-solderable prototypes and high-volume SMT assembly alike, while the FLASH memory enables in-system reprogramming during development and field updates. From an architectural standpoint, the M68HC08 core uses a von-Neumann-style bus with an enhanced instruction set relative to HC05, including a multiply instruction and improved indexed addressing. The on-chip FLASH is organized as 12K x 8 and supports in-application programming through a ROM-resident monitor or background debug module (BDM), which is the standard HC08 development interface. Typical applications include low-end consumer appliances, white-goods control boards, simple sensor signal conditioning, battery chargers, and replacement of discrete logic in cost-driven designs. Its 12KB program space fits small state-machine firmware with limited protocol stacks, while 31 I/O pins comfortably drive key-matrix scanning and LED multiplexing. Designers should plan for a single 5V rail, place a 0.1 uF decoupling capacitor near each supply pin, and route the BDM pins (BKGD, RESET) to a header for in-circuit debug. Because the part is mature/legacy, second-source and lifecycle verification before committing to new designs is strongly recommended. This page synthesizes distributor stock, drop-in alternatives, lifecycle status, and design notes not found in the manufacturer datasheet alone, providing an engineering decision-making companion for the MC908SR12CFAE.

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MC908SR12MFAER - 8-Bit HC08 MCU, 12KB Flash, 48-LQFP | NXP
MC908SR12MFAER

MC908SR12MFAER - 8-Bit HC08 MCU, 12KB Flash, 48-LQFP | NXP

The NXP MC908SR12MFAER is an 8-bit HC08-family microcontroller with 12 KB of Flash program memory and 512 bytes of RAM, housed in a 48-pin LQFP (7x7 mm) package. It runs at a maximum bus speed of 8 MHz, offers 31 general-purpose I/O lines, and integrates a 10-bit ADC alongside standard on-chip peripherals such as LVD, POR, PWM, and a temperature sensor. An 8-bit microcontroller (MCU) is a small, self-contained computer-on-a-chip that integrates a CPU, memory, and I/O peripherals on a single die. It belongs to the broader hierarchy of microcontrollers -> embedded controllers -> processors -> semiconductors. The HC08 family is NXP's (formerly Freescale's) legacy 8-bit CISC architecture, widely adopted in cost-sensitive and rugged industrial applications because of its low power consumption, deterministic interrupt response, and robust instruction set. Key features of the MC908SR12MFAER include 12 KB on-chip Flash with in-system programmability, 512 B RAM, an internal oscillator option, an active-low external reset pin, SCI (UART) and I2C serial interfaces, multiple timer/PWM channels, and an integrated 10-bit successive-approximation ADC. The device operates from a single 3.0 V to 5.5 V supply, supporting typical 5V industrial rails and 3.3V logic systems. Security features include a programmable Flash security byte that blocks external read-back of program memory. The HC08 core uses a von-Neumann-style unified memory map, an accumulator-based ALU, and a flexible indexed addressing mode, executing most instructions in 2 to 5 bus cycles. With 8 MHz bus clock, instruction throughput reaches roughly 2 MIPS at the rated operating voltage, sufficient for sensor interfacing, keypad scanning, simple motor control loops, and protocol translation. Typical applications span appliance controls (washing machines, dishwashers, induction cookers), HVAC damper and fan actuators, industrial sensors, smart metering endpoints, and remote-control handsets where the integrated ADC and PWM reduce bill-of-materials cost. When designing with this MCU, allow at least four decoupling capacitors near the VDD/VSS pairs and reserve an unused I/O line as a hardware reset or boot-mode entry - a common gotcha when migrating from larger HC08 derivatives.

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MC912B32CFU8R2 - 16-Bit 8MHz 32KB Flash MCU | NXP
MC912B32CFU8R2

MC912B32CFU8R2 - 16-Bit 8MHz 32KB Flash MCU | NXP

The NXP Semiconductors MC912B32CFU8R2 is a 16-bit CPU12 microcontroller operating at 8 MHz, with 32 KB of embedded flash memory, in an 80-terminal QFP package. It belongs to the M68HC12B family and is designed for embedded control systems requiring deterministic 16-bit processing, on-chip program storage, and a broad external peripheral interface. The supplied component data identifies an industrial temperature grade and a square gull-wing QFP package measuring 14 mm by 14 mm. A microcontroller is a semiconductor device that integrates a processor core, memory, and peripherals into one embedded-control component. In the hierarchy used for this product, CPU12 microcontroller belongs to embedded processor, embedded controller, and semiconductor categories. The CPU12 architecture executes instructions from embedded flash while interacting with timers, communication interfaces, analog and digital I/O, interrupts, and external bus circuitry through an 80-pin package. The verified listing specifies 16-bit processing, an 8 MHz operating frequency, 32 KB flash organized as 32K by 8, and an 80-pin QFP package. These headline values place the device in the M68HC12B family and make the exact suffix and package configuration important when replacing or upgrading an existing design. The R2 ordering suffix must be verified against purchasing records and the manufacturer datasheet before production release. Technically, the combination of a 16-bit CPU12 core, 8 MHz clock, and embedded flash supports compact control firmware without an external program-memory device. The 80-terminal format provides more interface pins than smaller microcontrollers, but it also requires careful escape routing and a substantially larger footprint than 32- or 64-pin packages. Clock, memory, and timer values beyond those explicitly supplied require confirmation from the official device documentation. Typical uses include industrial motor and motion control, appliance controllers, building automation, instrumentation, and general embedded automation. An 80-pin package can be advantageous when a legacy or industrial design needs numerous discrete I/O functions, while the 8 MHz CPU12 rate favors straightforward embedded control rather than performance-intensive compute workloads. The primary design consideration is replacement discipline. Package code, terminal count, temperature grade, flash density, clock target, peripheral resources, and software-device mapping must all match before a substitute is treated as drop-in compatible. This page distinguishes verified facts from missing parameters and does not infer unverified electrical or timing limits. This page consolidates the supplied manufacturer-linked part information, distributor records, source URLs, sourcing constraints, and engineering-selection guidance beyond a simple distributor listing. Unknown specifications remain explicitly marked rather than being guessed.

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MC912D60AMFUE8 - 16-bit 8MHz 60KB Flash MCU | NXP | Automotive
MC912D60AMFUE8

MC912D60AMFUE8 - 16-bit 8MHz 60KB Flash MCU | NXP | Automotive

The NXP MC912D60AMFUE8 is a 16-bit HC12 (68HC912D60A family) microcontroller operating at up to 8 MHz bus speed with 60 KB of flash EEPROM, 2 KB of RAM, and 1 KB of EEPROM, powered from a 5V supply and housed in an 80-pin QFP (14x14 mm) surface-mount package. The 'M' temperature grade makes this device suitable for extended-temperature and automotive applications. A microcontroller unit (MCU) is a single-chip computer that integrates a processor core, program and data memory, and peripheral interfaces into one IC. Within the embedded systems hierarchy, the HC12 family belongs to the 16-bit microcontroller class positioned above 8-bit MCUs such as the 68HC08 and below 32-bit devices. The MC912D60AMFUE8 is a member of the 68HC912D60A family, also referenced as HC912D60A, based on the CPU12 CISC core. Key on-chip resources include two asynchronous serial communication interfaces (SCI), one serial peripheral interface (SPI), an enhanced capture timer (ECT) supporting PWM generation, and an analog-to-digital converter. The 60 KB flash EEPROM is in-circuit programmable, allowing field firmware updates, while the separate 1 KB EEPROM retains calibration or configuration data through power cycles. Architecturally, the CPU12 core executes a CISC instruction set with an 8 MHz bus at 5V, providing deterministic real-time behavior valued in body electronics and actuator control. The 80-QFP (14x14 mm) gull-wing package simplifies inspection and rework compared with ball-grid alternatives. Typical applications include automotive body control modules, instrument clusters, seat and mirror controllers, industrial process control, and HVAC systems - anywhere a 5V 16-bit MCU with rich serial and timer peripherals is required. Design consideration: because this device is officially End of Life per NXP, new designs should evaluate the S12 (MC9S12) successor family, and existing designs should secure last-time-buy inventory. This page synthesizes distributor pricing, lifecycle status, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

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MC912DG128ACPV - 16-bit HC12 MCU, 128KB Flash | NXP | 112-LQFP
MC912DG128ACPV

MC912DG128ACPV - 16-bit HC12 MCU, 128KB Flash | NXP | 112-LQFP

The NXP (formerly Motorola/Freescale) MC912DG128ACPV is a 16-bit HC12 microcontroller unit (MCU) in the 112-LQFP (20x20 mm) package, integrating 128 KB of Flash EEPROM, 8 KB of RAM, and 2 KB of EEPROM. It runs the CPU12 core at up to 8 MHz bus speed and is built around HCMOS technology with on-chip peripherals including two asynchronous SCI, one SPI, one I2C, an enhanced capture timer, two 8-channel 10-bit A/D converters, and up to 69 general-purpose I/O pins. A microcontroller (MCU) is a single-chip computer that integrates a CPU, memory, and programmable I/O peripherals. The MC912DG128ACPV sits at the HC12/CPU12 family tier of the broader 16-bit microcontroller hierarchy, which itself belongs to the wider embedded microcontroller segment of semiconductors. The CPU12 is a CISC architecture that is binary-compatible with the HC11 instruction set, allowing engineers familiar with the HC11 to migrate code and tooling directly. Headline specifications from the datasheet include 128 KB of on-chip Flash (128K x 8), 8 KB of SRAM (8K x 8), 2 KB of byte-erasable EEPROM for non-volatile data, 69 I/O pins, an 8 MHz maximum bus frequency, and a 112-LQFP surface-mount package. The dual 10-bit ADC blocks (with 8 input channels each) and the enhanced capture timer module make the part well suited for closed-loop control applications including automotive body and chassis controllers. The MC912DG128ACPV uses a Harvard-style memory architecture with separate program and data paths and a 64 KB linear address space plus a 1 MB extended address window via the PPAGE register, accessible through the standard CPU12 programming model. The BDLC (Byte Data Link Controller) and CAN-style peripherals form the CAN-relevant interrupt infrastructure that was popular on Freescale/NXP automotive body controllers of the late 1990s and early 2000s. Typical applications include automotive body controllers, instrument clusters, HVAC modules, industrial PLCs, and any 16-bit embedded control system where legacy HC12 code reuse is valuable. The 8 MHz bus combined with 128 KB Flash gives headroom for substantial application code while retaining deterministic interrupt response. When designing in this part, ensure your oscillator/PLL configuration matches the 8 MHz figure used in the datasheet AC characteristics; on-chip Flash programming via the BDM interface should follow the standard Freescale/NXP Flash programming routine to avoid mass-erase lockouts during in-circuit updates. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes, complementing the NXP/Freescale datasheet by curating cross-reference information and at-a-glance parametric comparisons across the HC12 family.

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