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MC908AP64CFAER528 - 8-bit HC08 MCU 64KB Flash 48-LQFP | NXP
MC908AP64CFAER528

MC908AP64CFAER528 - 8-bit HC08 MCU 64KB Flash 48-LQFP | NXP

The NXP (Freescale) MC908AP64CFAER528 is a member of the HC08AP family of 8-bit microcontrollers featuring 64KB of on-chip Flash program memory, 2KB of RAM, an 8-channel 10-bit ADC, and an 8MHz CPU08 core, all integrated into a 48-pin LQFP (7x7 mm) surface-mount package supplied on Tape & Reel. What is an 8-bit microcontroller? An 8-bit microcontroller (MCU) is a small computer-on-a-chip integrating a CPU, program storage (Flash/ROM), working memory (RAM), and a fixed set of peripheral interfaces such as timers, ADC channels, communication ports, and GPIOs onto a single silicon die. Within the broader taxonomy of semiconductors, 8-bit MCUs sit beneath 32-bit microcontrollers and microprocessors; the MC908AP64 belongs to the M68HC08 family, an evolutionary successor to the classic M68HC05 family. The HC08AP family specifically targets low-cost, high-volume automotive body electronics and industrial control applications that benefit from on-chip Flash, a 10-bit ADC, and LIN-friendly timer architecture. Key features of the MC908AP64CFAER528 include 64KB (64K x 8) Flash program memory, 2KB of on-chip RAM, 32 general-purpose I/O lines, an internal oscillator that eliminates external crystal cost, and a 10-bit successive-approximation ADC with up to 8 input channels. The CPU08 core runs at 8MHz bus frequency and offers an extended instruction set over the older HCO5 core. The 48-LQFP package exposes 32 I/Os to the PCB, providing generous routing flexibility for mixed analog/digital designs while keeping the die footprint compact at 7 x 7 mm. Typical applications include automotive body control modules (BCMs), instrument clusters, HVAC actuators, LIN slave nodes, white-goods motor control boards, security and alarm panels, and small industrial sensor-conditioning boards. Designers also use the HC08AP64 in low-cost replacement designs for legacy HC05 systems where migration to a higher-end Cortex-M0+ device is not economically justified. The integrated 10-bit ADC with 8 channels is well-matched to resistive-bridge and thermistor analog front-ends typical in appliance and HVAC systems. When designing with the MC908AP64CFAER528, plan for the part's 5V-tolerant I/O, leave generous decoupling on VDD/VSS pairs (100 nF plus 10 uF bulk), and route the ADC reference pin (VREF) away from switching nodes. The part is well-supported by Freescale/NXP's CodeWarrior HC08 toolchain and P&E Micro's Cyclone/Multilink debug hardware, which simplifies prototype bring-up and in-field firmware updates. This page synthesizes distributor pricing, same-package drop-in alternatives within the HC08AP family, and practical design notes (oscillator behavior, ADC accuracy, and debug-tool compatibility) that are not consolidated in the manufacturer datasheet alone.

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MC908AP8ACBE - 8-Bit HC08 MCU 8KB Flash 8MHz 42-PDIP
MC908AP8ACBE

MC908AP8ACBE - 8-Bit HC08 MCU 8KB Flash 8MHz 42-PDIP

The NXP MC908AP8ACBE is an 8-bit HC08 CISC microcontroller featuring 8KB of embedded Flash program memory, an 8MHz CPU clock, and a 42-pin SPDIP (Plastic DIP, 0.600 inch/15.24mm) through-hole package. Part of the legacy Freescale/NXP HC08 family, it integrates on-chip peripherals suitable for cost-sensitive industrial and consumer control tasks. An 8-bit microcontroller is a single-chip computer built around an 8-bit data path, integrating CPU core, ROM/Flash program memory, RAM, and peripherals. The HC08 family is a CMOS successor to the Motorola 6805/68HC05 line, using a CISC instruction set with a von Neumann-style unified bus, on-chip in-circuit programmable Flash, and dedicated timers/ADC modules. Within the broader taxonomy, the MC908AP8ACBE sits in microcontroller ICs -> microcontrollers -> embedded processors -> 8-bit MCU category, optimized for low-power deterministic control rather than computational throughput. Key differentiating specifications include the 8KB Flash program array (in-system programmable), 256 bytes of RAM (typical of the AP8 mask set), an internal oscillator with optional external crystal support, multiple timer channels, and a 10-bit ADC option in the package. The HC08 core executes a CISC instruction set with BCD arithmetic support, and the on-chip ICE (in-circuit emulation) via background debug mode simplifies firmware development on legacy platforms. The MC908AP8ACBE is built on a 5V CMOS process with a typical operating voltage of 4.5V to 5.5V and is rated for the industrial temperature range of -40C to +85C. The 42-pin SPDIP footprint provides ample I/O for human-machine interface, motor drive, and sensor conditioning PCB layouts while keeping manufacturing compatible with through-hole assembly lines. Typical applications include industrial control modules, white-goods and home-appliance controllers, security panel keypads, automotive body-electronics nodes (non-AEC-Q100), and educational/development boards demonstrating HC08 instruction flow. Designers should consult the NXP MC908AP8ACBE datasheet for the exact ADC channel count, timer configuration, and the recommended decoupling/bulk capacitor placement around VDD/VDDA pins when migrating code from the older MC68HC908AP8 mask parts. This page consolidates distributor pricing, real cross-reference alternatives in the same 42-PDIP footprint, and engineering design notes not present in the manufacturer datasheet summary.

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MC908AP8ACFBE - HC08 8-Bit MCU 8KB Flash 44-QFP | NXP
MC908AP8ACFBE

MC908AP8ACFBE - HC08 8-Bit MCU 8KB Flash 44-QFP | NXP

The NXP MC908AP8ACFBE is an 8-bit microcontroller from the M68HC08 family, specifically the HC08AP sub-family, featuring an 8KB flash program memory and operating at 8MHz internal bus speed with a high-speed oscillator option. Housed in a 44-pin QFP (10x10 mm) package, this MCU integrates the enhanced M68HC08 central processor (CPU08) with 8KB on-chip FLASH, RAM, and a rich set of peripherals including timers, serial communications interfaces (SCI), SPI, and I2C. What is an HC08 microcontroller? The HC08 (short for M68HC08) is an 8-bit CISC microcontroller architecture from NXP/Freescale that evolved from the earlier M68HC05 family. MCUs in this category are valued for low cost, deterministic behavior, and ease of programming in embedded control. Within the wider taxonomy, HC08 sits under: 8-bit microcontroller -> microcontroller -> embedded processor -> semiconductor IC. The HC08AP family specifically is the high-speed-oscillator version of the HC08AP family, optimized for applications requiring higher clock flexibility. Key features include 8KB FLASH program memory, 256 bytes of RAM (typical HC08AP figure), an 8-channel 8-bit ADC, multiple timers, an internal high-speed oscillator option, and multiple communication peripherals (SCI, SPI). The device operates from 3V to 5.5V supply, typical for 5V industrial and consumer systems. The 44-QFP package offers generous I/O and ease of prototyping. The HC908AP family uses a CISC architecture with a 16-bit index register and 8-bit accumulator, supporting BCD arithmetic and flexible addressing modes. The integrated FLASH allows in-application reprogramming, useful for field updates and calibration storage. The device targets cost-sensitive embedded control where 32-bit performance is unnecessary but reliability and peripheral integration are required. Typical applications include appliance control (washing machines, microwaves, HVAC), industrial sensors, automotive body electronics, motor control for small BLDC/brushed DC systems, remote controls, and consumer white goods. The 5V-tolerant design suits traditional 5V analog signal chains often found in industrial sensor interfaces. A key design consideration when using the MC908AP8ACFBE is its EOL (End-of-Life) status per NXP - designers planning new production should evaluate the MC908AP16CFBE, MC908AP32CFBE, or migrate to the newer S08 family (e.g., MC9S08). For legacy maintenance and repair, sourcing through authorized distributors is recommended. Power dissipation in the 44-QFP is modest at typical 8MHz operation, but PCB layout must still decouple VDD/VSS adequately. This page synthesizes distributor pricing, lifecycle status, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone.

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MC908AP8CBE - 8KB Flash 8-bit HC08 MCU 42-DIP | NXP
MC908AP8CBE

MC908AP8CBE - 8KB Flash 8-bit HC08 MCU 42-DIP | NXP

The NXP MC908AP8CBE is an 8-bit HC08 family microcontroller (MCU) featuring 8 KB of on-chip FLASH program memory, 1 KB of RAM, an internal oscillator, a 10-bit ADC, and 30 general-purpose I/O pins, all packaged in a 42-pin SPDIP (PDIP) through-hole module. The device operates across a 3.3 V / 5 V supply range at a CPU bus frequency of 8 MHz using an internal clock source, with the CISC HC08 core providing a familiar register and instruction set for legacy automotive and industrial designs. An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (FLASH/ROM), data memory (RAM), peripherals (ADC, timers, communication ports), and I/O on one die. The HC08 architecture sits under the broader taxonomy: 8-bit MCU -> microcontroller -> embedded processor -> semiconductor IC. 8-bit MCUs remain widely deployed in cost-sensitive, low-power, deterministic-control applications such as appliance control, motor drivers, automotive body electronics, and industrial sensor conditioning where their simplicity and predictable interrupt response outperform more complex 32-bit parts. Key features of the MC908AP8CBE include 8 KB FLASH for in-application or in-circuit reprogramming, 1 KB of static RAM for data and stack, a 10-bit successive-approximation ADC for analog sensing tasks, multiple timers and a serial communications interface (SCI), and a 42-pin SPDIP footprint that is breadboard-friendly for prototyping and field-service replacement. The part runs directly from a 3.3 V or 5 V rail without external oscillator components. The HC08 core uses a von Neumann-style CISC architecture with a small instruction set, accumulator-based addressing and indexed modes, plus an integrated background debug module (BDM) that enables in-circuit programming and non-intrusive debugging through a single-wire interface. Internal oscillator trimming and watchdog operation reduce external component count and improve field reliability. Typical applications include automotive body controllers, HVAC fan and damper drivers, appliance user-interface boards, low-cost industrial sensors, white-goods motor control, and legacy embedded platforms that need a long-lifecycle pin-compatible MCU. The 42-pin SPDIP package is also popular in educational kits and developer boards because it accepts standard IC sockets. When designing with the MC908AP8CBE, plan for FLASH endurance and write timing in production firmware, and add proper decoupling (0.1 uF ceramic plus bulk) on VDD/VSS pins. The BDM pinout should be reserved on the PCB even if unused so that field updates and diagnostics are possible throughout the product lifecycle. This page synthesizes distributor pricing from DigiKey/Mouser/LCSC, drop-in alternative listings from the same HC08 family, and practical engineering notes not found in a single manufacturer document - giving procurement and engineering teams a single reference point for sourcing and design-in decisions.

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MC908AP8CFAE - HC08 8-bit MCU 8KB Flash 48-LQFP | NXP
MC908AP8CFAE

MC908AP8CFAE - HC08 8-bit MCU 8KB Flash 48-LQFP | NXP

The NXP MC908AP8CFAE is an 8-bit HC08-family microcontroller featuring an 8KB flash program memory, an integrated 10-bit ADC, and 48-pin LQFP packaging, designed for automotive and industrial embedded applications. An 8-bit microcontroller (MCU) is a single-chip computer built around an 8-bit data path, optimized for deterministic control tasks in cost-sensitive embedded systems. MCUs integrate a CPU core, non-volatile program memory (typically Flash), volatile RAM, peripherals such as ADC, timers, and communication interfaces (UART, SPI, I2C), into one package. The HC08 family from NXP (formerly Freescale) is a CISC architecture succeeding the popular HC05/HC11 lines, offering higher code density, a wider instruction set, and enhanced low-power modes. Within that family, the MC908AP sub-family targets automotive and industrial motor-control and instrumentation. Key features of the MC908AP8CFAE include an 8 MHz maximum CPU bus clock, 8KB on-chip Flash with in-system programmability, 1KB on-chip RAM, a 10-bit resolution analog-to-digital converter (ADC) with multiple input channels, and enhanced low-power modes (STOP and WAIT) for battery-friendly operation. The device also integrates a timer interface module, a serial communications interface (SCI) and serial peripheral interface (SPI), and an external interrupt module with keyboard wake-up capability. The architecture is built on NXP's mature HC08 CISC core using a 3.3V/5V dual-voltage design that simplifies interfacing to both 5V analog sensors and 3.3V digital logic. The wide operating voltage range and automotive-qualified process technology make it suitable for under-hood and industrial control environments where electrical noise and temperature extremes are common. Typical applications include automotive body controllers, instrument cluster sub-systems, HVAC actuators, low-end motor control, sensor signal conditioning, and small industrial appliances. Designers choose this part when deterministic real-time control, long Flash retention (data retention over automotive life), and a stable, multi-sourced tool chain (CodeWarrior HC08, Cosmic, IAR) are required. When designing with this MCU, ensure the brown-out reset voltage threshold is configured to match the minimum operating voltage (3V) of the system, and place decoupling capacitors close to each VDD/VSS pin pair. The LQFP-48 package provides adequate thermal dissipation for the HC08's modest power budget but still requires a small ground plane to keep digital switching noise away from the analog AVdd reference. This page synthesizes distributor pricing, drop-in same-family NXP alternatives, cross-references to pin-compatible variants, and practical design notes not found in the standalone manufacturer datasheet.

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MC908AP8CFBE - 8-Bit HC08 MCU, 8KB Flash, 8MHz, 44-QFP | NXP
MC908AP8CFBE

MC908AP8CFBE - 8-Bit HC08 MCU, 8KB Flash, 8MHz, 44-QFP | NXP

The NXP MC908AP8CFBE is an 8-bit HC08-family microcontroller (MCU) with 8KB of Flash program memory and a CPU clock speed of 8 MHz, housed in a 44-pin LQFP (10x10 mm) surface-mount package. It integrates a 10-bit ADC, multiple timers, and serial interfaces on a single die, targeting cost-sensitive embedded control applications. What is an 8-bit microcontroller? An 8-bit microcontroller is a single-chip computer that uses an 8-bit data path and is widely deployed in cost-constrained, deterministic embedded systems. It belongs to the broader category of microcontrollers, which in turn are a subset of microprocessors with integrated memory and peripherals. The HC08 family, in particular, descends from the M68HC08 lineage and targets low-cost, high-reliability motor, appliance, and industrial control designs. Key features include 8KB of on-chip FLASH program memory, 1KB of RAM, an internal oscillator, a 10-bit analog-to-digital converter, 32 general-purpose I/O pins, and timer modules. The device operates from a single 3.3V/5V supply and includes a 44-pin QFP (10x10 mm) package suitable for space-constrained boards. The MC908AP8CFBE is built on the M68HC08 CPU architecture (CPU08) with CISC-style instruction set, providing efficient code density and low-cycle interrupts. Its FLASH-based program memory allows fast in-circuit reprogramming during prototyping and field updates. The integrated 10-bit ADC and timers make analog signal acquisition and PWM control feasible without external ICs. Typical applications include appliance control, motor drives, lighting control, low-end consumer electronics, and industrial automation sensor interfaces. The 8MHz CPU combined with 32 GPIO makes the device well suited to replacing discrete logic in legacy designs. When designing with this MCU, ensure that the internal oscillator accuracy is sufficient for your timing-critical UART, or use an external crystal. The 32 GPIO share pins with peripheral functions, so reserve clock and reset pins early in the schematic capture process. This page synthesizes distributor pricing, same-family alternatives, and practical design notes for engineers evaluating the MC908AP8CFBE, complementing the NXP datasheet with selection guidance.

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MC908AS32ACFNE - HC08 8-bit MCU 32KB Flash 8.4MHz | NXP 52-PLCC
MC908AS32ACFNE

MC908AS32ACFNE - HC08 8-bit MCU 32KB Flash 8.4MHz | NXP 52-PLCC

The NXP MC908AS32ACFNE is an 8-bit HC08 CISC microcontroller IC with 32KB Flash program memory, 1KB RAM, and an 8.4MHz CPU core, housed in a 52-pin PLCC (Plastic Leaded Chip Carrier) J-lead package measuring 19.1 x 19.1 mm. The part is part of NXP/Freescale's HC08 family targeted at automotive and industrial embedded applications, supporting SCI and SPI connectivity for serial communication. An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (Flash/ROM), data memory (RAM), and peripherals such as timers, ADCs, and serial interfaces into one IC. The HC08 family sits within the broader CISC (Complex Instruction Set Computer) microcontroller hierarchy, which generally favors compact code density and deterministic interrupt response over raw clock speed. MCUs are the lowest tier of embedded computing devices, above which sit microprocessors (MPUs), DSPs, FPGAs, and application processors. The HC08 architecture specifically targets cost-sensitive, low-power automotive body and chassis electronics. Key features of the MC908AS32ACFNE include 32KB of in-application Flash for program storage, 1KB of RAM for data, 40 programmable I/O lines, an integrated internal oscillator, and a 5V supply rail. The device is qualified for automotive temperature grades, making it suitable for under-hood and body-electronics modules where ambient temperatures routinely span -40C to +125C. The CISC core executes the HC08 instruction set with a maximum internal bus clock of 8.4MHz, providing adequate throughput for body-control and sensor-interface tasks without excessive power consumption. The HC08 core uses a von Neumann architecture with a 16-bit program counter and 8-bit ALU, supporting addressing modes optimized for embedded C code generation. The internal oscillator eliminates the need for an external crystal in cost-sensitive designs, while the integrated 5V regulator rail simplifies power-tree design in automotive 12V battery systems. Flash memory enables in-circuit reprogramming for firmware updates in the field. Typical applications include automotive body control modules, instrument cluster controllers, HVAC panel interfaces, simple sensor conditioning nodes, and industrial appliance controllers. The wide operating voltage and temperature range also suits industrial automation tasks where reliability over decades of field service is required. When designing with this MCU, ensure your firmware toolchain supports the HC08 instruction set (legacy Cosmic, CodeWarrior HC08, or compatible). Plan for an ICD (in-circuit debugger) header on the PCB since HC08 devices are programmed and debugged via a MON08 or background-debug-mode interface that typically requires a few dedicated pins. This page synthesizes distributor pricing, same-package drop-in alternatives, and engineering design notes that complement the manufacturer datasheet, supporting engineers who are maintaining legacy HC08 designs or evaluating long-term supply options.

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MC908AS60ACFN - 8-Bit HC08 MCU, 60KB Flash, 8.4MHz, 52-PLCC | NXP
MC908AS60ACFN

MC908AS60ACFN - 8-Bit HC08 MCU, 60KB Flash, 8.4MHz, 52-PLCC | NXP

The NXP Semiconductors MC908AS60ACFN is an 8-bit HC08 HCMOS microcontroller unit (MCU) featuring 60KB of on-chip Flash program memory and 1KB of RAM, operating at a bus frequency of 8.4 MHz, housed in a 52-pin PLCC (Plastic Leaded Chip Carrier) package measuring 19.1 x 19.1 mm. The part belongs to the MC68HC908AS60A family and integrates an 8-bit CPU08 core with a rich peripheral set including timers, an SCI (Serial Communications Interface), an SPI (Serial Peripheral Interface), and a CAN 2.0A/B controller module for in-vehicle networking. An MCU (microcontroller unit) is a single-chip computer that integrates a CPU core, non-volatile program memory (Flash/ROM), volatile working memory (RAM), and a configurable set of on-chip peripherals (timers, ADC, communication controllers, GPIO). MCUs occupy the bottom of the embedded system hierarchy (MCU -> embedded controller -> SoC -> computer) and are the workhorse of deterministic real-time control in automotive body electronics, industrial PLCs, consumer white goods, and motor control. The HC08 family is NXP/Freescale's legacy 8-bit architecture optimized for low cost, low power, and predictable interrupt latency. Key features of the MC908AS60ACFN include 60KB (60K x 8) of Flash, 2KB of EEPROM for data storage, 1KB of RAM, 8.4 MHz maximum internal bus frequency, an integrated 8-channel 8-bit ADC, two 16-bit timer channels, MSCAN (Motorola Scalable CAN) module for CAN 2.0A/B, and an operating voltage range of 4.5V to 5.5V. The 52-pin PLCC package supports through-hole and socket mounting, making it convenient for legacy designs, prototyping, and field-replaceable modules. The Flash memory supports in-application programming via a background debug mode (BDM) interface. The MC908AS60ACFN's MSCAN module implements CAN 2.0A and 2.0B active and passive error counters, programmable bit timing, and a flexible acceptance filter, enabling reliable communication on automotive CAN buses at 1 Mbit/s. The integrated EEPROM emulates 2KB of byte-erasable non-volatile storage suitable for parameter retention across power cycles without external EEPROM ICs. The 8-channel ADC supports both single-ended and differential conversions with 8-bit resolution, suitable for sensor monitoring and battery management. Typical applications include automotive body controllers, HVAC control modules, instrument clusters, simple motor control (small DC and stepper), industrial sensor interfaces, and legacy appliance control boards that require a CAN interface and small Flash footprint. The 52-pin PLCC socketed package is favored in automotive production lines where field rework and firmware updates are routine. When designing with this part, note that the PLCC package is socket-friendly but consumes substantially more PCB area than a QFP equivalent. Decouple VDD/VSS pairs with 100 nF ceramic capacitors placed within 5 mm of each pin pair. Use the BDM (Background Debug Mode) interface for in-circuit programming and debug, and reserve a 4-pin header for the BDM pod. This page consolidates distributor pricing, parametric data, and practical design notes for engineers maintaining legacy HC08 designs and evaluating long-term sourcing options for the MC908AS60ACFN.

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MC908AS60ACFNE - 8-bit HC08 MCU 60KB Flash 8.4MHz PLCC-52 | NXP
MC908AS60ACFNE

MC908AS60ACFNE - 8-bit HC08 MCU 60KB Flash 8.4MHz PLCC-52 | NXP

The NXP (formerly Freescale) MC908AS60ACFNE is an 8-bit microcontroller from the M68HC08 family, featuring 60KB of FLASH program memory and 2KB of EEPROM, housed in a 52-pin PLCC (J-Lead) package measuring 19.1 mm x 19.1 mm. Operating at up to 8.4 MHz from the enhanced M68HC08 CPU08 core, the device belongs to the HC08AS/AZ low-cost, high-performance sub-family. The part is currently in End-of-Life status per the NXP product page, meaning authorized distributor stock is the only remaining supply path. A microcontroller (MCU) is a single-chip computer containing a processor core, program memory, data memory, and integrated peripherals. The HC08 family represents the 8-bit branch of the broader Motorola/Freescale/NXP M68HCxx lineage, which sits within the larger category of embedded microcontrollers -> microprocessors -> digital ICs -> semiconductors. The 8-bit MCU segment remains relevant for cost-sensitive, deterministic, low-power embedded applications where ARM Cortex-M overhead is unnecessary. Key features of the MC908AS60ACFNE include 60KB (60K x 8) of FLASH program memory, 2KB of on-chip EEPROM for non-volatile data storage, an internal 8.4 MHz bus clock derived from the on-chip oscillator, and the standard HC08 peripheral set. The 52-pin PLCC package provides ample I/O for automotive body, appliance, and industrial control applications and supports surface-mount assembly with J-leads. Architecturally, the device uses the enhanced CPU08 core, which adds a few instructions and addressing modes over the original HC08 core while preserving code compatibility. The FLASH/EEPROM split enables field re-programmability for calibration data and protocol parameters, a useful feature for late-stage product customization or firmware updates. Typical applications include automotive body controllers, HVAC controls, appliance motor control, industrial sensor interface boards, and legacy embedded systems requiring proven 8-bit processing. The HC08AS/AZ family was widely adopted in automotive clusters and instrument panels. When designing with this MCU, note the End-of-Life status - qualify a successor early or commit to a last-time-buy inventory plan. Engineers should also evaluate migration paths to the S08 or S12 families for new designs since tooling, compilers, and development support for legacy HC08 parts are increasingly community-maintained. This page synthesizes distributor inventory data, drop-in replacement candidates from the HC08 family, and practical design considerations not found in the original manufacturer datasheet.

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MC908AS60ACFUE - 8-Bit 8.4MHz HC08 60KB Flash MCU | NXP
MC908AS60ACFUE

MC908AS60ACFUE - 8-Bit 8.4MHz HC08 60KB Flash MCU | NXP

The NXP MC908AS60ACFUE is an 8-bit HC08-family microcontroller (HC08AS) delivering 8.4 MHz CPU clock speed with 60KB of in-application flash program memory and 2KB of EEPROM, housed in a 64-pin QFP (14x14 mm) package. It provides 52 general-purpose I/O lines, an internal oscillator, and multiple timer and serial peripherals typical of the HC08 AS series. The integrated flash array supports byte-programmable in-circuit programming for production-line firmware update and field upgrades. What is an 8-bit microcontroller? An 8-bit microcontroller (MCU) is a small, self-contained computer-on-a-chip built around an 8-bit data path, integrating a CPU, program memory (ROM/flash), RAM, peripherals (timers, ADC, communication ports), and general-purpose I/O onto one die. Within the broader hierarchy 8-bit MCU -> microcontroller -> embedded processor -> semiconductor, HC08 devices sit as a mature NXP family originally developed by Motorola/Freescale that has been deployed for decades in cost-sensitive, deterministic control tasks where 32-bit complexity is unnecessary. Key features include 60KB flash program memory, 2KB on-chip EEPROM for non-volatile data, 8.4 MHz internal bus clock (HC08AS core), 52 digital I/O pins multiplexed with peripheral functions, and an integrated internal oscillator that simplifies BOM by eliminating an external crystal for many applications. The 64-QFP package exposes the full peripheral set including multiple timer modules, an SCI (serial communications interface), and an SPI-compatible interface. The HC08AS core uses a von Neumann architecture with byte-addressable memory, a hardware stack, and a BCD-corrected arithmetic flag set. The 8.4 MHz bus clock delivers ~1.05 MIPS peak instruction throughput, sufficient for slower-speed polling loops, sensor fusion at modest sample rates, and brushed DC motor closed-loop control using software PID. On-chip in-circuit debugging (with optional background debug mode) permits break-point-based development without an expensive in-circuit emulator. Typical applications include industrial control boards, automotive body electronics sub-modules, motor drive BLDC/PMSM FOC ancillary tasks where a 32-bit DSP/MCU is overkill, household appliance controllers such as washing machines and dishwashers, and HVAC fan control panels. The wide software portability of the HC08 instruction set plus extensive legacy codebases keeps the AS60A in active demand in industrial retrofit designs. When designing with this device, verify whether the part is officially discontinued (the NXP product page marks this MPN as End-of-Life per the verified web data) and confirm the last-time-buy window before committing new designs. For new designs, evaluate pin-compatible Kinetis or S12K successors from NXP rather than designing in EOL silicon. This page synthesizes distributor pricing, 64-QFP drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone.

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MC908AS60ACFUE-FR - 8-Bit HC08 MCU 60KB Flash 64-QFP | NXP
MC908AS60ACFUE-FR

MC908AS60ACFUE-FR - 8-Bit HC08 MCU 60KB Flash 64-QFP | NXP

The NXP (formerly Freescale) MC908AS60ACFUE-FR is an 8-bit HC08-family microcontroller integrating 60KB of on-chip FLASH program memory, 2KB of RAM, and a rich set of analog and digital peripherals in a 64-pin QFP (14x14 mm) package. It is part of the M68HC08AS-AZ series and is qualified to operate at a bus frequency of 8.4 MHz from a wide operating voltage range, making it a long-standing workhorse for cost-sensitive automotive body, industrial control, and appliance applications. An 8-bit microcontroller is a microprocessor integrated with FLASH program memory, RAM, timers, serial communication peripherals, and I/O on a single die. The HC08 is Freescale/NXP's 8-bit core family that succeeded the HC05 and offers an enhanced instruction set, on-chip FLASH, and a more modular peripheral architecture. MCUs such as the MC908AS60ACFUE-FR sit at the bottom of the embedded computing hierarchy: microcontroller -> embedded processor -> semiconductor IC. They are designed for deterministic, low-power control loops where 32-bit performance is unnecessary. Key features of this device include 60KB (60K x 8) of FLASH, 2KB (2K x 8) of RAM, 52 general-purpose I/O lines, an internal oscillator, and on-chip peripherals that typically include a timer/PWM module, an 8-channel 8-bit ADC, SCI and SPI serial interfaces, and a CAN 2.0B controller (consistent with the AS-series HC08 family). The 64-QFP (14x14) footprint is a widely-used through-hole-friendly surface-mount package that simplifies PCB layout and rework. The MC908AS60ACFUE-FR uses a von-Neumann bus architecture with the HC08 CPU core, an on-chip bandgap reference, low-voltage detect (LVD) and power-on reset (POR) for robust startup, and a system integration module that maps peripherals into a single linear address space. Peripherals are clock-gated to minimize quiescent current, and the internal clock source eliminates the external crystal in many designs. Typical applications include automotive body controllers (door modules, seat controllers, HVAC blowers), industrial PLCs and sensor transmitters, white-goods and appliance motor control, security alarm panels, and battery-powered metering. The wide temperature range and integrated CAN bus support also suit automotive networks and 12V/24V industrial systems. Designers should note that the -FR suffix typically denotes factory-reel packaging and identical die to the non-FR variant, so firmware and software are fully portable. This part is widely available through authorized distributors; users designing new products should verify the current lifecycle status with NXP, as the HC08 family is in mature / last-time-buy phase at many suppliers.

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MC908AS60AMFU - 8-Bit 8.4MHz HC08 Flash MCU | Freescale | 64-QFP
MC908AS60AMFU

MC908AS60AMFU - 8-Bit 8.4MHz HC08 Flash MCU | Freescale | 64-QFP

The Freescale Semiconductor MC908AS60AMFU is an 8-bit HC08-family flash microcontroller integrating 60 KB of on-chip flash memory, an 8.4 MHz HCS08-compatible CPU core, and a rich set of analog/digital peripherals, all packaged in a 64-lead QFP (QFP-64, 14x14 mm body, gull-wing leads). It is part of the HC908AS60A / HC908AZ60A automotive-grade MCU family originally developed by Motorola Semiconductor and now maintained by NXP / Freescale. Key parameters include 60 KB flash, 2 KB RAM, 8.4 MHz bus clock, a 5 V supply rail, and automotive-grade temperature rating. What is an HC08 microcontroller? The HC08 is Freescale/Motorola's 8-bit CISC microcontroller architecture that evolved from the earlier MC68HC05 line, adding a 16-bit index register, additional addressing modes, and a memory-mapped peripheral model. An HC08 Flash MCU integrates the CPU, Flash program memory, RAM, EEPROM/Flash-erase emulation, timers, ADC, serial communication interfaces, and I/O ports onto a single die - a System-on-Chip optimized for deterministic embedded control. Within the broader hierarchy, MC908AS60AMFU belongs to: microcontroller -> 8-bit MCU -> HC08 family -> HC908AS60A subgroup -> embedded computing. Key features include 60 KB of in-application programmable flash (suitable for firmware upgrades), 2 KB of SRAM for stack/data, multiple 16-bit timers, a 10-channel 8-bit ADC for sensor interfacing, SCI (UART) and SPI serial interfaces, and a 5 V automotive-grade supply domain. The device supports background debug mode (BDM) for non-intrusive in-circuit development. Technical depth: the HC908AS60A core implements an 8-bit accumulator-based ALU with stack pointer, index register H:X, and a status register. Program execution is fully static, allowing clock-stretching for low-power waits. The on-chip Flash uses a security feature that locks the debug port unless a password is supplied, protecting IP. The 8.4 MHz internal bus clock is derived from either an external crystal or an on-chip PLL/oscillator block. Typical applications include automotive body controllers, instrument cluster drivers, HVAC control modules, white-goods motor control, industrial sensor hubs, and CAN/LIN gateway nodes (when paired with external transceivers). The wide temperature range and 5 V I/O tolerance make the MC908AS60AMFU well suited to harsh environments. A key design consideration: at 5 V supply and high CPU utilization, the part draws noticeable quiescent current - budget for adequate PCB copper area if the application requires sustained high duty cycle at elevated ambient temperatures. The QFP-64 footprint also requires careful track fan-out to inner leads. This page synthesizes distributor stock/pricing, drop-in compatible alternatives from the HC908 family, and design notes that complement (not duplicate) the manufacturer's datasheet.

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MC908AZ32AVFUE - 8-Bit 8MHz 32KB Flash HC08 MCU | NXP
MC908AZ32AVFUE

MC908AZ32AVFUE - 8-Bit 8MHz 32KB Flash HC08 MCU | NXP

The NXP MC908AZ32AVFUE is an 8-bit HC08 family microcontroller IC running from the enhanced M68HC08 central processor unit (CPU08), with 32KB of on-chip FLASH, an integrated CAN controller, and 64-QFP (14x14) package for surface-mount automotive and industrial control boards. Background knowledge: An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (FLASH/ROM), data memory (RAM), and peripherals such as timers, ADC, communication ports (UART, SPI, I2C, CAN), and general-purpose I/O. The HC08 family from Freescale (now NXP) is a CISC 8-bit architecture widely used in automotive body, chassis, and industrial control applications because of its low cost, deterministic behavior, and broad peripheral set. Within the HC08 hierarchy, the AZ sub-family adds a CAN 2.0 A/B controller, making it well suited for in-vehicle networking nodes. Key features of the MC908AZ32AVFUE include 32KB (32K x 8) FLASH program memory, an 8MHz maximum bus clock, on-chip EEPROM for non-volatile configuration storage, an integrated MSCAN08 CAN 2.0 A/B controller, multiple timers, an 8-channel 8-bit ADC, and 16 general-purpose I/O pins. The 64-QFP (14x14) plastic package is a JEDEC-standard PQFP outline, providing a well-known surface-mount footprint for PCB designers. Operating voltage is 5V nominal and the device is specified over the automotive temperature grade per the Freescale datasheet. Architecturally, the CPU08 core provides a stack-based 8-bit ALU, 16-bit index register, H:X addressing, and a privileged BDC/SEC for in-circuit programming and debug. The MSCAN08 module implements CAN 2.0 A/B active/passive with bus-off recovery. Internal oscillator support and a low-power STOP/WAIT mode reduce quiescent current for battery-connected nodes. Typical applications include automotive body controllers, instrument clusters, HVAC control panels, industrial CAN sensor nodes, and appliance control boards. The integrated CAN interface removes the need for an external transceiver MCU pair for many nodes. Design consideration: when migrating from a similar HC08 AZ device (e.g., AZ60A), verify FLASH size and ADC channel count differences - the AZ32A carries 32KB FLASH, whereas the AZ60A doubles the program memory and adjusts the peripheral mix. Always check the latest PCN/errata before board respins. This page synthesizes distributor pricing, drop-in HC08AZ family alternatives, and practical design notes not found in the NXP datasheet.

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MC908AZ60ACFU - 8-Bit HC08 MCU 60KB Flash 64-QFP | NXP
MC908AZ60ACFU

MC908AZ60ACFU - 8-Bit HC08 MCU 60KB Flash 64-QFP | NXP

The NXP (formerly Motorola/Freescale) MC908AZ60ACFU is an 8-bit HC08-family microcontroller featuring 60KB of on-chip Flash program memory, 2KB of RAM, and 52 general-purpose I/O lines, integrated into a 64-pin QFP (14x14 mm) package with an internal oscillator. It executes instructions from the HC08 instruction set at up to 8.4 MHz internal bus frequency, making it part of the legacy M68HC908AZ60A silicon family widely deployed in automotive body and chassis ECUs, industrial controllers, and appliance controls. Background Knowledge: An 8-bit microcontroller (MCU) is a single-chip processor that integrates a CPU core, program memory (Flash/ROM), data memory (RAM), peripherals (timers, ADC, communication ports), and general-purpose I/O into one package. The HC08 family is the 8-bit successor to the HC05 family and uses a uniform 8-bit data path with a 16-bit address space, targeting cost-sensitive embedded control. Within the broader semiconductor taxonomy, an HC08 MCU is a type of embedded microcontroller, which belongs to microcontrollers and microprocessors, which are a subset of microcontrollers in the Integrated Circuits category. Key features include 60KB of in-application reprogrammable Flash, an internal oscillator that eliminates the external crystal in many designs, multiple timers (TIM1, TIM2 including a pulse-width modulation channel), an 8-channel 8/10-bit ADC, SCI and SPI communication peripherals, and a low-power STOP/WAIT mode set. The 64-QFP package exposes 52 GPIOs, allowing direct connection to keypads, displays, sensor arrays, and driver H-bridges without external bus expanders. Architecturally, the MC908AZ60ACFU uses a von-Neumann-style unified memory map with the HC08 core running at 8.4 MHz (4.2 MHz internal bus on older mask sets; 8.4 MHz on the AZ60A revision). The integrated Flash controller supports in-circuit programming via the MON08 or background-debug mode (BDM) interface, allowing firmware updates in production and field returns without package removal. The CAN-aware derivative variants of this silicon support J1939 stacks, but the AZ60A base part exposes SCI/SPI for lower-bandwidth networks. Typical applications include automotive body controllers (BCM), HVAC actuators, instrument clusters, industrial pump controllers, white-goods motor control (washer/dryer BLDC drivers), and security/access panels where deterministic 8-bit execution, generous Flash, and proven long-term reliability matter more than raw MHz. Designers also repurpose these MCUs for CAN-equivalent sensor aggregation via SCI bridging. Design consideration: Always validate the part suffix (ACFU vs ACFUE vs ACFUER) because the trailing letters distinguish standard, lead-free, and tape-and-reel packaging options rather than feature changes. Most AZ60A variants share the same die, so firmware is portable across the family, but a designer must still confirm the specific MC908AZ60ACFU datasheet electrical ratings before committing. This page synthesizes distributor pricing, parametric drop-in alternatives, and practical design notes that supplement the manufacturer datasheet, including a head-to-head comparison against related HC08 family members and a candid note on the part's lifecycle status.

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MC908AZ60ACFUE - 8-Bit 8.4MHz 60KB MCU | NXP
MC908AZ60ACFUE

MC908AZ60ACFUE - 8-Bit 8.4MHz 60KB MCU | NXP

The NXP Semiconductors MC908AZ60ACFUE is an 8-bit HC08 microcontroller with a 60 KB electrically erasable programmable Flash memory, 2K x 8 RAM, 52 I/O pins, and an 8.4 MHz internal bus frequency in a 64-QFP package. It is designed for embedded control systems requiring deterministic 8-bit processing, automotive-oriented connectivity modules, and broad peripheral integration. The manufacturer lists the device as End of Life, so procurement should account for lifecycle risk and availability checks. What is an 8-bit microcontroller? An MCU is a semiconductor that combines a CPU, program memory, data memory, I/O, and peripherals on one device. The MC908AZ60ACFUE belongs to the M68HC08 family and uses the enhanced M68HC08 CPU08 architecture. This places it in the hierarchy MCU, microcontroller, embedded processor, and semiconductor. Its 60 KB Flash program memory supports embedded firmware, while the 2K x 8 RAM supports working variables, stack operations, buffers, and control state. Key verified features include fully upward-compatible object code with the M6805, M146805, and M68HC05 families, an 8.4 MHz internal bus frequency, and a 5-bit keyboard interrupt module available in the 64-pin QFP configuration. The AZ variant also provides an MSCAN controller implementing CAN 2.0b as defined in the September 1991 Bosch specification. These features make the device relevant to automotive body, interface, and communication-control designs where legacy software compatibility remains valuable. The device uses an internal oscillator according to the distributor specification. Its 64-QFP package provides 52 I/O pins, enabling simultaneous control of external inputs and outputs while supporting communication and peripheral functions. The verified sources identify Digi-Reel packaging, but the exact reel quantity, temperature range, voltage range, and detailed peripheral operating limits are not provided in the supplied data and must be checked against the manufacturer datasheet. Typical application areas include automotive body-control modules, CAN-connected embedded controllers, legacy industrial equipment, keyboard-based interfaces, and compact control systems that benefit from M68HC08 software compatibility. The CAN controller is especially relevant for distributed vehicle or industrial networks, while the keyboard interrupt module supports matrix-keypad scanning and control-panel designs. A key design consideration is lifecycle management. Because the NXP product page identifies MC908AZ60ACFUE as End of Life, engineers should not assume new production availability or long-term supply. Before committing to a redesign, verify the exact package, pinout, memory map, operating voltage, temperature range, and peripheral compatibility using the official manufacturer documentation. This page combines the verified NXP product-page status, distributor specifications, manufacturer datasheet information, package details, and application-oriented engineering guidance. It is intended to support engineering comparison and sourcing decisions, while clearly separating confirmed data from parameters that still require datasheet review.

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MC908AZ60ACFUER - 8-Bit HC08 MCU, 60KB Flash, 64-QFP | NXP
MC908AZ60ACFUER

MC908AZ60ACFUER - 8-Bit HC08 MCU, 60KB Flash, 64-QFP | NXP

The NXP MC908AZ60ACFUER is an 8-bit HC08-family microcontroller featuring 60KB of on-chip FLASH program memory and 2KB of EEPROM, operating at a bus frequency of 8.4MHz from a 5V supply, housed in a 64-pin QFP (PQFP) package. Built around the enhanced M68HC08 central processor unit (CPU08) core, the AZ60 variant integrates CAN, SCI, and SPI communication peripherals, an ADC, timers, and automotive-grade I/O, making it suitable for body electronics and industrial control modules. What is an HC08 microcontroller? The HC08 (or M68HC08) is Freescale/NXP's family of 8-bit microcontrollers that succeeded the original 68HC05 line. The HC08 is a CISC architecture using an enhanced CPU08 core with 16-bit internal index/accumulator operations, a 64KB linear address space, and broad peripheral integration. HC08 devices sit within the broader taxonomy: microcontroller unit (MCU) -> 8-bit MCU -> HC08 family -> HC08AS/AZ automotive sub-family, and remain in service for cost-sensitive automotive body and chassis applications. Key features include 60KB (60K x 8) FLASH program memory, 2KB EEPROM, 1KB on-chip RAM, an 8-channel 8-bit ADC, two timer/PWM modules, CAN 2.0A/B interface, SCI (UART), and SPI. The 64-pin QFP (14x14 mm) package offers generous I/O count for body-control and instrument-cluster designs. According to the manufacturer datasheet, the part operates over -40C to +125C and is qualified to AEC-Q100 for automotive applications. The HC08AS/AZ family uses the same CPU08 instruction set as the rest of the HC08 line, providing upward-compatible firmware development with other family members. The on-chip FLASH allows in-application reprogramming via the standard NXP monitor ROM, simplifying field updates. Internal RC oscillator and PLL options reduce external component count. The 5V supply rail matches conventional automotive body controllers. Typical applications include automotive body controllers, instrument clusters, HVAC control modules, lighting controllers, industrial sensor hubs, and CAN node endpoints. The integrated CAN 2.0B controller makes the part particularly well suited to distributed in-vehicle networks where multiple ECUs communicate on a single CAN bus. When designing with this device, ensure the monitor ROM is properly invoked during in-system programming by holding the IRQ pin low at reset. Decouple VDD/VSS with 100nF ceramic capacitors placed within 5mm of each supply pin, and provide a stable 5V rail capable of sourcing 50mA plus I/O sink current. This page synthesizes distributor inventory, parametric alternatives, and practical design notes not found in the manufacturer datasheet, including same-family AZ/AS part variations and the most common engineering pitfalls for HC08 firmware developers.

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MC908AZ60AMFUE - 8-Bit HC08 60KB Flash MCU, 64-QFP | NXP
MC908AZ60AMFUE

MC908AZ60AMFUE - 8-Bit HC08 60KB Flash MCU, 64-QFP | NXP

The NXP MC908AZ60AMFUE is an 8-bit HC08AS/AZ family microcontroller built around the M68HC08 CISC core, integrating 60KB of on-chip Flash memory plus 2KB of EEPROM, 2KB of RAM, and a 64-pin QFP (14x14 mm) gull-wing package. It runs at up to 8.4 MHz from a 5V supply and is targeted at automotive embedded applications such as body controllers, instrument clusters, and sensor interfaces. An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, memory, and peripherals. The HC08 family is a low-cost, high-performance 8-bit CISC architecture from the broader 68k lineage, where CISC (Complex Instruction Set Computing) refers to instruction sets that use multi-byte variable-length opcodes to keep code density high. In the system hierarchy, an MCU sits below a microprocessor (MPU) and above a digital logic IC; the HC08AS/AZ family in turn sits within the Freescale/NXP automotive MCU portfolio alongside HCS08 and S08 derivatives. Key features include 60KB (60K x 8) Flash program memory with in-application reprogrammability, 2KB EEPROM for non-volatile data storage, 2KB RAM, an internal 8.4 MHz bus, a 16-channel 10-bit ADC, an SCI/UART, an SPI interface, a CAN 2.0B controller (AZ60A), and timer/PWM modules. The 5V automotive operating range and -40C to +125C junction temperature make it suitable for under-hood and body-electronics environments. The MC908AZ60AMFUE uses a Harvard-style memory architecture with separate program and data buses, a 16-bit stack pointer, and on-chip in-circuit emulation via a background debug module (BDM). The 60KB Flash is split into multiple array blocks for in-application reprogrammability without disturbing runtime code, while 2KB EEPROM provides byte-erasable non-volatile storage for calibration and fault logs. Typical applications include automotive body control modules, instrument clusters, climate-control heads, CAN/J1850 network nodes, motor-control front-ends, and industrial PLC I/O expanders. The combination of CAN, SCI, and SPI allows it to bridge multiple automotive buses in a single chip, replacing external transceivers in cost-sensitive designs. When designing with this device, use the BDM interface rather than internal ROM monitors for in-circuit debug, and ensure the VDD/VSS decoupling follows the NXP automotive layout guide. Note that this part is now End of Life (EOL) per NXP; new designs should evaluate the S08, S12, or Kinetis E series as replacements, although the AZ60A remains widely available through authorized stocking distributors for maintenance and legacy builds. This page synthesizes distributor pricing, drop-in HC908AZ60 family alternatives, and practical design notes that go beyond the manufacturer datasheet alone.

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MC908AZ60AVFUE - HC08 8-Bit MCU 60KB Flash 8.4MHz QFP-64 | NXP
MC908AZ60AVFUE

MC908AZ60AVFUE - HC08 8-Bit MCU 60KB Flash 8.4MHz QFP-64 | NXP

The NXP MC908AZ60AVFUE is an 8-bit microcontroller from the M68HC08 Family's HC08AS/AZ sub-family, integrating 60KB of FLASH program memory with 2KB of EEPROM in a 64-pin QFP (14x14mm) package. Operating at a 8.4MHz CPU clock and built on the CPU08 core, the device is qualified over the automotive -40C to +105C industrial range and is widely deployed in cost-sensitive body-electronics applications. What is an HC08 8-bit microcontroller? An HC08 microcontroller is part of NXP's (formerly Motorola / Freescale) M68HC08 family of low-cost, high-performance 8-bit MCU units. As a hypernym of "8-bit MCU" and a hyponym of "embedded microcontroller," it sits in the broader hierarchy: microcontroller -> MCU -> embedded processor -> semiconductor. The HC08AS/AZ sub-family adds an integrated CAN module, making these parts especially common in automotive body and chassis networks. Key features of the MC908AZ60AVFUE include 2KB of on-chip EEPROM, 2KB of RAM, 52 general-purpose I/O lines, an integrated MSCAN08 CAN 2.0 A/B controller, an 8-channel 10-bit ADC, two SCI (UART) ports, one SPI port, a 6-channel timer interface, and a periodic interrupt timer. The 64-QFP package supports surface-mount assembly and offers generous board-level connectivity for body-electronics ECU designs. Architecturally, the device uses the enhanced CPU08 core with a 16-bit stack pointer, an index register pair, and 16 addressing modes. The flash memory supports in-application programming via a ROM-resident monitor, easing field firmware updates. An integrated low-voltage inhibit block and a computer-operating-properly watchdog timer improve automotive-grade reliability, while a low-power STOP and WAIT mode suit battery-backed body modules. Typical applications include automotive body controllers (door modules, seat controllers, RKE receivers), instrument clusters, HVAC control panels, and industrial CAN nodes. The combination of integrated CAN, generous flash, and the wide temperature range makes the part a common choice for distributed in-vehicle networks where a higher-end 32-bit MCU would be over-specified. A primary design trade-off is that the HC08AS/AZ is a legacy part, marked End of Life by NXP, so designers should qualify a second source or plan a migration to the S08 or S12X families. For new designs, evaluate MCF51AC or S912XET devices that retain automotive temperature performance and CAN while adding newer peripherals. This page synthesizes distributor inventory data, lifecycle status, and cross-reference search results not consolidated in the manufacturer datasheet, supporting faster sourcing decisions for legacy automotive and industrial designs.

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MC908BD48IBE - 8-Bit HC08 MCU 48KB Flash 42-PDIP | NXP
MC908BD48IBE

MC908BD48IBE - 8-Bit HC08 MCU 48KB Flash 42-PDIP | NXP

The NXP MC908BD48IBE is an 8-bit HC08-family CISC microcontroller with 48KB of on-chip Flash memory and a 6 MHz maximum bus clock, housed in a 42-pin PDIP (SPDIP) through-hole package. It integrates 1KB of RAM, a 48-pin-equivalent I/O set, and a 5V-tolerant supply rail typical of the HC08BD body-control and appliance family. The part is supplied in industrial temperature grade and is widely used in legacy appliance, white-goods and body-electronics designs that pre-date the Kinetis and S08 K-line migration. An HC08 microcontroller (M68HC08) is a CISC 8-bit core architecture originally developed by Motorola and continued by NXP/Freescale. It sits in the hierarchy: microcontroller -> embedded MCU -> 8-bit MCU -> CISC -> HC08 family. The HC08BD sub-family adds on-chip Flash, a buffered EEPROM emulation area and timer/PWM modules optimised for body-control and appliance front-panel control. Compared with modern ARM Cortex-M parts, the HC08 trades raw performance for deterministic interrupt latency and a very small instruction footprint. Key features include 48KB Flash program memory (47KB user-accessible per the AiPCBA datasheet summary), 1KB of on-chip RAM, a 6 MHz internal bus, multiple 16-bit timer channels, an SCI (UART) interface, and a 42-pin SPDIP footprint that is drop-in compatible with the rest of the HC908BD family. The 5V supply rail allows direct interface to legacy 5V logic without level shifters, which is one reason the part persists in industrial designs more than two decades after its introduction. The 6 MHz bus clock and CISC instruction set execute most HC08 instructions in 2 to 5 bus cycles, giving roughly 1.2 to 3 MIPS sustained throughput. The architecture includes a memory-mapped I/O block, an on-chip oscillator with trimming, and a low-voltage inhibit / COP watchdog for safety-critical appliance control. The 42-pin SPDIP is convenient for prototyping and through-hole rework on legacy boards. Typical applications include washing-machine and dishwasher control boards, HVAC blower controllers, microwave-oven front panels, and other 5V white-goods or appliance control subsystems. Designers also use the MC908BD48IBE in industrial instrumentation that does not require the latest low-power cores, leveraging the deterministic interrupt response and the easy in-circuit programming of the HC08BD flash. When designing with this part, plan the I/O budget against the 42-pin SPDIP: pin count is the most common constraint when porting to or from the larger 48- or 56-pin variants. Note that newer NXP S08 and Kinetis E-series parts offer a software-compatible migration path for new designs while keeping the existing 5V SPDIP board layout. This page synthesises distributor pricing, same-package drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone.

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MC908EY16AMFJE - 8MHz 16KB Flash HC08 MCU 32-LQFP | NXP
MC908EY16AMFJE

MC908EY16AMFJE - 8MHz 16KB Flash HC08 MCU 32-LQFP | NXP

The NXP MC908EY16AMFJE is an 8-bit HC08-family microcontroller delivering 16 KB of on-chip Flash memory and 512 bytes of RAM, running at 8 MHz internal bus frequency from a 5 V supply, and housed in a 32-pin LQFP (7x7 mm) package. It is a member of the MOS9 (M68HC08EY16) sub-family designed for general-purpose automotive and industrial embedded control where deterministic 8-bit performance and field-programmable Flash are required. An 8-bit microcontroller (MCU) is a single-chip computer built around an 8-bit data path, on-chip program memory (Flash/ROM), data memory (RAM), and a set of integrated peripherals. The HC08 family from NXP/Freescale is a CISC 8-bit architecture succeeding the HC05/HC11 lines, sitting within the broader hierarchy of microcontroller -> embedded processor -> semiconductor. HC08 EY-series parts specifically target cost-sensitive, low-pin-count motor and lighting control with PWM-rich timer blocks. Key features include 16 KB Flash program memory, 512 B RAM, an on-chip Serial Peripheral Interface (SPI), an internal clock generator (ICG) that removes the need for an external crystal in many designs, and two 16-bit 2-channel timer modules (TIMA and TIMB) that provide multiple PWM channels for motor/lighting regulation. A 5 V single supply and automotive-grade part numbering make it a drop-in choice for body and chassis ECUs originally designed around the HC08E family. The device uses a CISC instruction set with a 16 KB linear program space and byte-addressable RAM. The internal clock generator module eliminates one external component by deriving the 8 MHz bus clock from an internal reference; the SPI block supports master/slave operation for sensor or EEPROM expansion. Typical applications include automotive body controllers, HVAC actuators, lighting controllers, simple BLDC/PMSM motor drivers via TIMA/TIMB PWM, sensor conditioning front-ends, and industrial white-goods control boards replacing legacy HC05/HC11 designs. The 32-LQFP footprint remains compatible across the wider MC908E/GR family, easing board reuse. When designing with this part, ensure the 5 V rail is regulated to within HC08 tolerance and that the SPI bus is properly terminated when more than one slave is attached; the internal clock generator module accuracy (typically +/- 5%) may require external timing reference for CAN or LIN master applications. This page synthesizes distributor pricing, drop-in pin-compatible alternatives, and design considerations not typically consolidated on stock pages, helping engineers shorten cross-reference research for legacy HC08-based designs.

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MC908EY16CFAE - 8-Bit 8MHz 16KB Flash MCU | NXP | 32-LQFP
MC908EY16CFAE

MC908EY16CFAE - 8-Bit 8MHz 16KB Flash MCU | NXP | 32-LQFP

The NXP Semiconductors MC908EY16CFAE is an 8-bit HC08 microcontroller with an 8 MHz operating speed, 16 KB of Flash program memory, 512 bytes of RAM, and 24 I/O pins, housed in a 32-LQFP 7 x 7 mm package. Its verified distributor listings identify it as an HC08 MCU with 16K x 8 Flash memory and an internal oscillator, making it suitable for compact embedded control, monitoring, and actuator-control systems. An HC08 microcontroller is an 8-bit embedded-control semiconductor combining a CPU core, program memory, data memory, I/O ports, timers, interrupts, and communication peripherals on one integrated circuit. The MCU belongs to the broader hierarchy of embedded processors and microcontrollers, supporting standalone control without a separate external processor. Its 8-bit architecture is designed for cost-sensitive systems that coordinate sensors, switches, displays, and simple industrial or consumer equipment. The verified specifications show 16 KB of program memory, 512 x 8 RAM, 24 I/O pins, 8 MHz speed, internal oscillator, and a 32-LQFP package. These values provide the basis for memory sizing, clock planning, and PCB footprint selection. The listed package is a tray-packaged 32-LQFP device according to the verified distributor data. Typical applications include embedded keypad controllers, small motor-control systems, instrumentation interfaces, building-control nodes, and low-cost sensor-conditioning platforms. The 24 available I/O pins allow external sensors, actuators, display segments, and communication interfaces to be connected while keeping the control system compact. A key design consideration is that the verified data does not specify the complete peripheral set, electrical operating limits, memory map, or package pin assignments. Those details must be confirmed in the manufacturer documentation before schematic capture, firmware development, or PCB layout. Search results also provide commercial availability information but do not establish a complete lifecycle classification. This product page combines verified MPN characteristics, sourced distributor references, package information, and practical sourcing guidance. It is intended to help engineers locate MC908EY16CFAE information while clearly separating confirmed data from specifications that require datasheet confirmation.

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MC908EY16MFAE - 8-Bit 8MHz 16KB Flash MCU | NXP
MC908EY16MFAE

MC908EY16MFAE - 8-Bit 8MHz 16KB Flash MCU | NXP

The NXP MC908EY16MFAE is an 8-bit HC08 microcontroller operating at 8 MHz with 16 KB of flash memory in a 32-LQFP 7 x 7 mm package. It belongs to the HC08 embedded-microcontroller family, combining a compact 8-bit architecture with on-chip program memory for embedded control, appliance, and industrial-control designs. An HC08 microcontroller is an integrated circuit designed for small embedded-control systems. It executes firmware from embedded program memory, reads inputs through digital and analog peripherals, and controls external actuators through its I/O pins. In the broader hierarchy, the MC908EY16MFAE is a microcontroller, an embedded-processing IC, and a semiconductor component used as the central controller in compact electronic products. The verified product data identifies this device as an 8-bit MCU with an 8 MHz operating frequency, 16 KB, or 16K x 8, of flash memory, and a 32-LQFP package measuring 7 x 7 mm. These figures establish the core resource limits for code storage and processing speed. Detailed electrical limits, memory-map organization, peripheral availability, voltage range, and timing characteristics are not supplied in the verified excerpts and must be confirmed in the manufacturer datasheet. Typical HC08 use cases include compact appliance controls, keyboard and user-interface controllers, small motor or relay-control boards, sensor-conditioning systems, and industrial modules where an 8-bit processor is sufficient. The 16 KB flash capacity is appropriate for firmware with focused control logic rather than large graphical interfaces or complex networking stacks. The 8 MHz clock provides a straightforward embedded-control platform, while the LQFP package supports conventional PCB assembly and inspection. Designers should verify supply voltage, I/O limits, timer resources, serial interfaces, memory organization, watchdog behavior, reset requirements, and programming procedures against the official datasheet before releasing a PCB. Because the supplied search results do not include the official datasheet URL, the manufacturer document identifier, or complete pin definitions, those details are not inferred here. This page uses only the verified distributor snippets and marks unavailable technical values as [DATA_NEEDED] in the specifications.

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MC908EY16VFAE - 8-Bit 8MHz 16KB MCU | NXP
MC908EY16VFAE

MC908EY16VFAE - 8-Bit 8MHz 16KB MCU | NXP

The NXP MC908EY16VFAE is an 8-bit HC08 microcontroller operating at up to 8 MHz, with 16 KB of Flash program memory, 512 bytes of RAM, and 24 I/O pins in a 32-LQFP 7 x 7 mm package. It is designed for embedded control systems requiring a compact MCU with integrated serial connectivity and mixed-signal control capability. An HC08 microcontroller is an 8-bit embedded-processing device within the broader microcontroller and semiconductor hierarchy. HC08 devices combine a CPU core, Flash memory, RAM, timers, serial interfaces, and I/O resources on one integrated circuit. They are commonly used for appliance controls, automotive subsystems, industrial equipment, and small motor-control systems where deterministic control and compact integration matter more than high computational bandwidth. The MC908EY16VFAE provides 16 KB of Flash program memory, 512 x 8 RAM, 24 I/O pins, and connectivity identified in the source data as LINbus, SCI, and SPI. The 8 MHz operating speed supports embedded control loops and communication tasks, while the internal oscillator avoids requiring a separate external timing source for basic operation. Its integrated POR and PWM peripherals support reliable startup behavior and proportional control functions. The device uses a 32-LQFP 7 x 7 mm package and is offered in tray packaging according to the supplied component data. Electrical details such as operating voltage, temperature range, flash endurance, ADC specifications, timer resolution, and exact pin functions were not provided in the verified excerpts, so those values should be confirmed from the manufacturer datasheet before design release. Typical applications include automotive body and comfort modules, appliance control boards, small industrial controllers, sensor interfaces, and embedded serial bridges. The 24 I/O pins provide external connections for sensors, actuators, indicators, and communication transceivers. LINbus support is particularly relevant to distributed vehicle networks, while SCI and SPI can connect to display modules, sensors, storage devices, or other controllers. A key design consideration is obsolete-part risk. The supplied PDF search result identifies the part as obsolete, while distributor listings remain available for procurement. Designs should therefore verify source authenticity, package markings, lifecycle status, and firmware compatibility before production use. For a new design, engineers should also assess whether a current MCU family provides a longer supply commitment and a more complete development toolchain. This page combines verified distributor specifications, procurement context, package information, application guidance, and replacement cautions. It distinguishes confirmed MC908EY16VFAE attributes from parameters that still require manufacturer-datasheet confirmation, helping engineers make a more reliable legacy-design decision.

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MC908EY8ACFJER - 8-Bit 8MHz Microcontroller | NXP
MC908EY8ACFJER

MC908EY8ACFJER - 8-Bit 8MHz Microcontroller | NXP

The NXP Semiconductors MC908EY8ACFJER is an 8-bit embedded microcontroller built around the M68HC08 CPU family, with an 8 MHz internal bus frequency at 5 V, 8 KB of flash memory, and 512 bytes of on-chip RAM. It is supplied in a 32-LQFP package measuring 7 mm by 7 mm. The device combines a compact general-purpose control core with serial peripherals, timers, an internal clock generator, and mixed-signal-oriented resources for embedded control designs. An 8-bit microcontroller is a compact programmable controller intended to collect sensor or switch inputs, execute control logic, and operate actuators or communications peripherals. The M68HC08 architecture belongs to the embedded-microcontroller hierarchy, where CPU, memory, timers, serial interfaces, and clocking are integrated on one semiconductor device. This integration reduces component count and makes the MC908EY8ACFJER suitable for compact control, measurement, and automation products. The verified feature set identifies an SPI serial peripheral interface, an internal clock generator module, and two 16-bit, two-channel timer blocks labeled TIMA and TIMB with PWM capability. The 8 MHz internal bus frequency supports control-loop processing, while the flash memory provides nonvolatile firmware storage. The package is a 32-LQFP surface-mount format, allowing compact PCB assembly and manufacturing compatibility with automated production processes. The MC908EY8ACFJER is associated by the verified distributor data with the HC08 embedded-microcontroller category and is suitable for industrial control, IoT devices, embedded automation, motor-control, metering, and low-power board designs. Its timer and PWM resources can support timing, pulse generation, and basic motor or actuator control functions. Its SPI interface can connect to sensors, memory, displays, and other serial peripherals when the electrical and protocol requirements match. Designers should verify the exact pin functions, electrical limits, memory organization, clock configuration, peripheral multiplexing, and programming requirements against the manufacturer datasheet before final PCB release. Because the supplied search results identify different memory-capacity descriptions, this page preserves the distributor specification of 8 KB flash and 512 bytes of RAM and flags unresolved device details for verification. This page consolidates distributor specifications, source links, application context, and procurement information for MC908EY8ACFJER. It is intended to support initial engineering evaluation and sourcing, while datasheet-level validation remains necessary for production design, software bring-up, and manufacturing qualification.

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