Microcontroladores

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MC908AP16ACBE - 8-Bit HC08 MCU 16KB Flash 8MHz | NXP
MC908AP16ACBE

MC908AP16ACBE - 8-Bit HC08 MCU 16KB Flash 8MHz | NXP

The NXP MC908AP16ACBE is a member of the M68HC08 Family of 8-bit microcontrollers (MCUs) featuring 16 KB of on-chip FLASH program memory and an 8 MHz CPU08 core, housed in a 42-pin PDIP (SPDIP) package. It belongs to the HC908AP high-speed-oscillator sub-family, providing an integrated oscillator, 16 KB FLASH, and on-chip peripherals optimized for cost-sensitive embedded control. Background Knowledge - What is an HC08 microcontroller: An 8-bit microcontroller is a single-chip computer integrating a CPU, program memory (FLASH/ROM), data memory (RAM), and peripherals (timers, ADC, communication ports) on one die. The M68HC08 family is NXP/Freescale's 8-bit successor to the M68HC05, using a CPU08 core with an expanded instruction set, indexed addressing, and higher code density. HC08 microcontrollers target automotive body electronics, appliance controls, industrial sensors, and consumer devices where 8-bit processing, deterministic behavior, and low cost dominate over raw MIPS. Key features of the MC908AP16ACBE include 16 KB of FLASH program memory, an 8 MHz bus clock, 10-bit ADC channels (per package specs), 30+ I/O pins, and an operating voltage range of 4.5 V to 5.5 V. The high-speed internal oscillator variant eliminates the need for an external crystal in many designs, reducing BOM cost and PCB area. The HC908AP family is the high-speed oscillator variant of HC908APx devices, with the same peripheral set. Technical depth: The device uses the CPU08 core executing CISC instructions with a 16-bit stack pointer and 16-bit index register (H:X), enabling compact C code generation. Internal FLASH supports in-circuit programming via the monitor ROM, allowing firmware upgrades without removing the part. The on-chip oscillator with internal trimming provides a stable 8 MHz bus without external crystals. Typical applications include HVAC controls, washing-machine and appliance motor control, automotive body modules, industrial sensor interfaces, security panels, and consumer remote controls where 8-bit performance and small FLASH density suffice. Design consideration: When designing with this device, ensure the operating voltage stays within 4.5V-5.5V; brownout detection must be enabled for reliable FLASH writes. Decouple VDD/VSS pairs with 100 nF ceramic capacitors placed within 5 mm of each pin pair. This page synthesizes verified distributor pricing, drop-in alternatives from the same HC908AP family, and design guidance drawn from NXP/Freescale reference designs - information not assembled on the manufacturer datasheet alone.

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MC908AP16CBE - 8-bit HC08 MCU, 16KB Flash, 8MHz, 42-PDIP | NXP
MC908AP16CBE

MC908AP16CBE - 8-bit HC08 MCU, 16KB Flash, 8MHz, 42-PDIP | NXP

The NXP MC908AP16CBE is an 8-bit HC08 CISC microcontroller with 16 KB of on-chip Flash memory, an integrated 10-bit ADC, and 42-pin SPDIP packaging rated for industrial 3.3V/5V operation. Per the Freescale/NXP datasheet, the device runs the HC08 instruction set at a bus frequency of 8 MHz, providing approximately 8 MIPS of throughput for embedded control tasks. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (Flash/ROM), working memory (RAM), and a rich set of peripherals such as timers, ADCs, communication ports, and GPIO into one package. Within the broader semiconductor taxonomy, an MCU belongs to the embedded processor family and sits between simple logic ICs and full microprocessors; the 8-bit HC08 line specifically targets cost-sensitive, deterministic real-time control where low power, easy interrupt handling, and a familiar instruction set matter more than raw compute throughput. Key features of the MC908AP16CBE include 16 KB Flash program memory, 1 KB RAM, a 10-bit successive-approximation ADC with multiple input channels, multiple 16-bit timers, a serial communications interface (SCI), a serial peripheral interface (SPI), and a 38-pin general-purpose I/O capability. The 42-pin PDIP package is through-hole and friendly to breadboard and legacy industrial designs. The device is built on a 0.5 µm feature-size HC08 core with an integrated bandgap reference for the ADC and on-chip voltage regulator supporting 3.3V/5V dual-voltage operation. Its low-power wait and stop modes plus a flexible interrupt controller make it well suited to battery-backed or always-on industrial control modules. Typical applications include appliance control (washing machines, dishwashers, HVAC), industrial sensor conditioning, simple motor control, smart metering, and white-goods human-machine interfaces. Engineers also deploy it in automotive body electronics subsystems and as a control coprocessor. When designing with this MCU, allocate a stable external reset circuit, place the decoupling capacitor network as close as possible to the VDD/VSS pins, and verify ADC reference stability if using internal voltage reference. Note that the HC08 family has been classified NRND/EOL on some NXP roadmaps, so plan a migration to Kinetis EA or S08 in new designs. This page synthesizes distributor pricing, drop-in alternatives from the same HC08AP family, and practical design notes not found in the standalone manufacturer datasheet.

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MC908AP16CFAE - 8-Bit, 16KB Flash MCU, 48-LQFP | NXP
MC908AP16CFAE

MC908AP16CFAE - 8-Bit, 16KB Flash MCU, 48-LQFP | NXP

The NXP Semiconductors MC908AP16CFAE is an 8-bit HC08 microcontroller with 16KB of flash memory, a 16-channel ADC, SCI/SPI connectivity, and a 48-LQFP package. The verified distributor data identifies an 8 MHz device with 3.3 V/5 V operation, making it a legacy embedded-control solution for cost-sensitive industrial and automotive applications. The MC908AP16CFAE belongs to the M68HC08 family of 8-bit microcontroller units. An MCU integrates a processor core, program memory, data memory, peripheral interfaces, timers, and analog conversion functions on one semiconductor device. This integration allows a compact embedded system to sense inputs, execute control logic, and communicate with external equipment without a separate processor, memory, and interface controller. Verified sources describe the part with 16KB flash, a 16-channel ADC, and SCI/SPI interfaces. The NXP family information also identifies it as part of the low-cost, high-performance M68HC08 family. Its 8-bit architecture and 8 MHz operating speed are appropriate for supervisory, measurement, and control tasks where deterministic peripheral handling is more important than high processor throughput. The supplied sources do not specify RAM size, ADC resolution, pin names, operating-temperature limits, or detailed timing values. The MC908AP16CFAE is listed as End of Life by the NXP product page. Engineers should therefore treat it as a legacy procurement item, not a new-design baseline. NXP search results also reference a discontinuance and replacement overview, but the supplied data does not identify a specific manufacturer-approved drop-in replacement. Pin-compatible alternatives must be validated against the original datasheet, package drawing, memory map, interrupt system, and peripheral electrical limits before substitution. Typical uses include industrial control panels, automotive accessory controllers, sensor-conditioning equipment, motor or actuator management, and low-cost embedded products using SCI or SPI communications. The 48-LQFP package provides a relatively high pin count for legacy control designs, while the ADC supports analog input acquisition. Because detailed memory and pin data are absent from the verified excerpts, the complete pinout and application-specific support network should be checked against the original Freescale/NXP datasheet before layout or firmware reuse. This page consolidates verified distributor listings, lifecycle information, product identifiers, and the available cross-reference context. It does not invent missing electrical specifications or claim that an unreviewed competitor is pin-compatible. For procurement, compare current authorized inventory and ask NXP for the official product-change or replacement documentation.

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MC908AP16CFBE - HC08 8-Bit MCU 16KB Flash 8MHz 44-QFP | NXP
MC908AP16CFBE

MC908AP16CFBE - HC08 8-Bit MCU 16KB Flash 8MHz 44-QFP | NXP

The NXP MC908AP16CFBE is a member of the M68HC08 Family of 8-bit microcontrollers (MCUs) that delivers 16KB of on-chip Flash memory and operates at a bus frequency of 8MHz, housed in a 44-pin QFP (10x10mm) surface-mount package. Designed around the enhanced CPU08 core, the device integrates 16KB (16K x 8) FLASH program memory and provides connectivity peripherals including I²C, IRSCI, SCI, and SPI interfaces alongside 32 general-purpose I/O lines. According to NXP product documentation, the part is supplied in 3.3V/5V dual-voltage operation and includes on-chip peripherals such as LED drivers, Low-Voltage Detection (LVD), Power-On Reset (POR), and PWM modules. A microcontroller (MCU) is a single-chip computer containing a processor core, program and data memory, peripherals, and I/O. Within the embedded-systems hierarchy, an MCU is a type of integrated circuit (semiconductor -> IC -> microcontroller). The 8-bit MCU category traditionally trades peak performance for low cost, deterministic interrupt behavior, and ultra-low static power dissipation, making it suitable for cost-sensitive industrial, appliance, and automotive body applications where higher-bit parts are unnecessary. Key features of the MC908AP16CFBE include its 8MHz CPU clock, 16KB Flash program memory, 32 GPIO pins, multi-protocol serial communication (SCI, IRSCI, I²C, SPI), and a 10-bit ADC. The HC08APxA series represents the high-speed oscillator version of the HC08APx family, providing an external crystal/oscillator option for time-sensitive designs. The 44-QFP package is a plastic quad flat pack measuring 10x10mm with gull-wing leads suited for reflow soldering and moderate-density PCB designs. Technically, the CPU08 core uses an enhanced HC05 instruction set with new instructions for improved code density, stack pointer paging for high-level language support, and a 16-bit index register. Memory mapping is linear with 16KB of Flash accessible to the CPU and direct page addressing for fast variable access, while the peripheral modules are mapped into the upper address space. Typical applications include industrial control systems, appliance motor control, automotive body electronics, security and alarm panels, HVAC controllers, and remote-keyless entry receivers. The wide operating voltage (3.3V/5V) and rich peripheral set make this MCU particularly attractive for replacing legacy HC05 designs with code-compatible enhancements. When designing with this part, verify the exact ADC channel count and timer configuration against the latest NXP datasheet revision before committing to layout. The 44-QFP footprint requires careful land-pattern design and reflow profile control for production yields.

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MC908AP16CFBER528 - 8-bit HC08 MCU, 16KB Flash, 8MHz | NXP
MC908AP16CFBER528

MC908AP16CFBER528 - 8-bit HC08 MCU, 16KB Flash, 8MHz | NXP

The NXP MC908AP16CFBER528 is an 8-bit HC08-family microcontroller with 16KB of Flash program memory, offered in a 44-pin QFP package (10x10 mm). The device integrates a 10-bit ADC and targets embedded control applications that require reliable Flash-based program storage with field-reprogrammability. The "ER528" suffix designates tape-and-reel packaging and a 528-related lead-finish code consistent with NXP legacy ordering options for the M68HC08 line. What is an HC08 microcontroller? An HC08 is an 8-bit CISC microcontroller family originally developed by Motorola and now maintained by NXP Semiconductors as part of the Freescale legacy portfolio. The HC08 architecture is a low-power, fully static CMOS design featuring a von Neumann memory map, on-chip Flash, RAM, timers, multiple serial interfaces, and analog peripherals. It belongs to the broader hierarchy: microcontroller -> embedded MCU -> 8-bit MCU -> HC08 family -> M68HC08AP16 sub-family. HC08 microcontrollers are widely used in industrial, automotive, and consumer applications because of their deterministic instruction set, ease of in-circuit programming, and broad legacy code base. Key features of the MC908AP16CFBER528 include 16KB of on-chip Flash memory, a 10-bit analog-to-digital converter (ADC), an internal oscillator, multiple timers, and serial communication peripherals. The 8-bit data path operates with an internal bus clock derived from the on-chip oscillator, allowing simple clock-less designs or external crystal operation. Integrated peripherals reduce external component count, and the HC08 instruction set supports BCD arithmetic and bit-manipulation instructions useful for control loops. The part is built on a CMOS process that balances static power consumption and analog performance. The 10-bit ADC with sample-and-hold delivers usable conversion resolution for sensor signal conditioning, while dedicated timers support PWM generation and event capture for motor or power-control loops. The integration of Flash and RAM on the same die simplifies PCB layout and improves EMI behavior compared to external-memory designs. Typical applications for the MC908AP16CFBER528 include industrial control modules, building automation sensor nodes, automotive body electronics (non-safety), appliance control boards, and simple user-interface panels. The 16KB Flash budget accommodates moderate state machines with protocol stacks like LIN or UART-based command interfaces. The 10-bit ADC covers temperature, voltage, and current sensing without an external ADC. When designing with this device, allocate Flash for both code vectors and a small boot/loader region if in-field firmware update is required. Ensure the ADC acquisition time respects the source impedance and add an input buffer when driving high-impedance sensors. Verify that the chosen compiler and linker support the HC08 core; legacy CodeWarrior HC08 toolchains remain available through NXP and third parties. This page synthesizes distributor pricing, drop-in same-package alternatives, and practical design notes not found in the manufacturer datasheet - supporting faster sourcing decisions for projects that still rely on the M68HC08 platform.

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MC908AP32ACBE - 8-bit HC08 MCU 32KB Flash 8MHz | NXP
MC908AP32ACBE

MC908AP32ACBE - 8-bit HC08 MCU 32KB Flash 8MHz | NXP

The NXP Semiconductors MC908AP32ACBE is an 8-bit microcontroller unit (MCU) from the HC08 family with 32KB of FLASH program memory, an 8MHz internal high-speed oscillator, and a 42-pin SDIP (0.600 inch, 15.24mm) through-hole package operating from a 4.5V to 5.5V supply. An 8-bit microcontroller is an integrated circuit that combines a processor core, memory, and peripherals on a single chip, executing instructions on 8-bit data words. Within the power-management and control hierarchy, an MCU sits above discrete logic and below 32-bit application processors, making it the workhorse for embedded control systems. The HC08 family from Motorola/Freescale (now NXP) is a legacy architecture descended from the popular 6805 core, widely used in appliance, automotive, and industrial designs throughout the 1990s and 2000s. Key features of the MC908AP32ACBE include 32KB (32K x 8) of in-circuit-programmable FLASH program memory, 2KB (2K x 8) of RAM, and an internal oscillator rated for 8MHz bus operation, which eliminates the need for an external crystal in many designs. The device provides 30 general-purpose I/O lines, giving ample connectivity for switches, relays, displays, and serial peripherals in through-hole systems. Architecturally, the part is based on the enhanced M68HC08 CPU core with a von Neumann memory map, stack pointer-based C-friendly programming model, and a low-power WAIT and STOP mode set. The internal high-speed oscillator (HS OSC) simplifies clocking, while FLASH non-volatility allows field firmware updates. Because it is a mature HC08 device, mature development toolchains and third-party programmers remain available from legacy-support channels. Typical applications include white-goods appliance control boards, industrial sensor and actuator controllers, automotive body-electronics sub-modules, battery chargers, and legacy-equipment maintenance where a through-hole 42-pin SDIP footprint must be preserved. The 5V supply range makes it directly compatible with legacy 5V industrial logic families. A key design consideration is availability: this is a mature product primarily supplied through aftermarket and authorized excess channels such as Rochester Electronics, so new designs should evaluate the newer S08 family. Verify exact peripheral configuration (timers, ADC, SCI) against the manufacturer datasheet before design reuse. This page synthesizes distributor listings, cross-reference guidance, and lifecycle notes for the MC908AP32ACBE that are not consolidated in any single manufacturer document, helping engineers secure obsolete inventory or identify drop-in same-family alternatives.

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MC908AP32ACFBE - 8-Bit 8MHz 32KB Flash MCU | NXP
MC908AP32ACFBE

MC908AP32ACFBE - 8-Bit 8MHz 32KB Flash MCU | NXP

NXP Semiconductors MC908AP32ACFBE is an 8-bit HC08 microcontroller with a CPU08 core, 8 MHz operation, 32 KB of Flash program memory, and a 44-QFP package measuring 10 x 10 mm. The device belongs to the HC08AP high-speed-oscillator family within the M68HC08 product hierarchy. Verified distributor data identifies a -40 °C to +85 °C industrial temperature range and an operating supply range of 4.5 V to 5.5 V. NXP currently labels the product end of life, so procurement planning must account for limited future availability rather than assuming a long active lifecycle. A microcontroller is a programmable semiconductor that integrates a CPU core, memory, digital I/O, and peripherals into one device. The 8-bit MCU category is suited to compact control systems that evaluate logic and operate sensors, actuators, communication interfaces, or human-machine interfaces. Within the broader hierarchy, the MC908AP32ACFBE is an MCU, then a semiconductor, and ultimately an embedded-control component used to execute firmware and coordinate real-time system behavior. The verified feature set identifies 32 KB of Flash memory, 8 MHz clock capability, and 32 I/O ports. Flash retains program code when power is removed, allowing firmware updates and persistent configuration, while the 32 digital I/O pins provide connections for switches, indicators, sensors, and external control logic. The high-speed-oscillator HC08APxA version is distinguished from the related HC08AP family by its oscillator configuration, but detailed peripheral assignments and electrical limits were not included in the supplied source material. Architecture is centered on the enhanced M68HC08 CPU08 core. An 8-bit processor processes one byte per machine-data path and is typically used where deterministic control, modest arithmetic demands, and low system complexity matter more than high computational throughput. The verified 8 MHz operating point supports general-purpose embedded tasks, although real firmware performance depends on instruction mix, memory behavior, peripherals, and interrupt load. Typical uses include compact industrial controllers, appliance interfaces, motor-sequence controls, instrumentation, and small communication modules. For a new design, the NXP end-of-life status should trigger review of the NXP replacement program, last-time-buy timing, and firmware compatibility. Existing production equipment may continue using MC908AP32ACFBE if its 44-QFP footprint and software environment remain unchanged, but a redesign should compare any suggested replacement for memory, peripherals, pinout, voltage, timing, and toolchain compatibility. Layout must preserve the exact 44-QFP land pattern and route decoupling and clock inputs according to the manufacturer data. Because the supplied data does not include a verified pin table, designers must obtain the official package drawing before assigning signals; analogous-looking HC08 devices must not be assumed interchangeable. This page combines verified lifecycle, memory, clock, package, temperature, commercial, and cross-reference information with explicit engineering caveats. It is designed to support sourcing decisions while avoiding unsupported assumptions about electrical limits, pin functions, peripherals, or unverified replacement devices.

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MC908AP32CBE - 8-Bit HC08 MCU 32KB Flash 8MHz 42-PDIP | NXP
MC908AP32CBE

MC908AP32CBE - 8-Bit HC08 MCU 32KB Flash 8MHz 42-PDIP | NXP

The NXP MC908AP32CBE is a member of the low-cost, high-performance M68HC08 Family of 8-bit microcontroller units, integrating 32KB of on-chip Flash program memory, 2KB of RAM, and a 10-bit ADC in a 42-pin PDIP (0.600 inch, 15.24 mm) through-hole package. The device runs at an internal bus speed of 8 MHz and is supported by a CISC instruction set optimized for embedded control code density. A microcontroller (MCU) is a single-chip computer containing a CPU, non-volatile program memory (Flash or ROM), volatile working memory (RAM), and a range of integrated peripherals such as ADC, timers, communication interfaces, and general-purpose I/O. Within the broader semiconductor taxonomy, the MC908AP32CBE sits at: microcontroller -> 8-bit MCU -> HC08 family -> Flash-based MCU -> mixed-signal embedded controller. The HC08 architecture succeeds the earlier HC05 core with improved addressing modes, higher code density, and an enhanced instruction set designed for C compilers and structured assembly. Key features of the MC908AP32CBE include 30 general-purpose I/O lines, an internal oscillator that eliminates external clock components, a 10-bit analog-to-digital converter for sensor interfacing, and Flash memory that supports in-application reprogramming via a background debug mode. The 42-pin PDIP package is intended for development, prototyping, and through-hole industrial designs where socketed replacement or hand rework is desirable. Technically, the MC908AP32CBE uses a Freescale/NXP-developed CISC core with a 16-bit stack pointer and an enhanced HC08 instruction set. The integrated peripherals are memory-mapped and accessed through a uniform bus architecture, simplifying firmware bring-up. Internal Flash supports in-circuit programming, enabling field firmware updates without removing the device from the application board. Typical applications include industrial control modules, appliance controllers, automotive body electronics, HVAC thermostats, sensor signal conditioning front-ends, and consumer white-goods main boards. Designers value the HC08 family for its deterministic interrupt latency, mature toolchain support (CodeWarrior, Cosmic, IAR), and a wide portfolio of derivatives that share peripheral and instruction-set compatibility. When designing with the MC908AP32CBE, ensure the supply rails (3.3 V or 5 V operation) and decoupling network follow the manufacturer reference design. The internal oscillator should be validated against timing-critical peripherals such as UART, and an external crystal may be substituted if greater frequency accuracy is required for asynchronous communications. This page synthesizes distributor pricing, datasheet cross-references, and engineering application guidance not found in the manufacturer datasheet alone, providing a single decision-ready view for embedded engineers selecting an 8-bit MCU for through-hole designs.

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MC908AP32CFAE - 8MHz 8-bit HC08 MCU 32KB Flash 48-LQFP | NXP
MC908AP32CFAE

MC908AP32CFAE - 8MHz 8-bit HC08 MCU 32KB Flash 48-LQFP | NXP

The NXP MC908AP32CFAE is an 8-bit HC08-family microcontroller with 32KB of on-chip Flash program memory, 2KB of RAM, and a 10-bit ADC, housed in a 48-pin LQFP (7x7 mm) package. It executes instructions from an enhanced M68HC08 CPU08 core at up to 8MHz and supports dual-voltage operation at 3.3V or 5V for flexible system integration. The part is specified across an industrial temperature range and exposes 32 general-purpose I/O lines for peripheral interfacing. An 8-bit microcontroller (MCU) is a small, self-contained processor-on-a-chip that integrates a CPU, non-volatile program memory (Flash/ROM), volatile working memory (RAM), and a fixed set of peripherals such as timers, communication controllers, and analog-to-digital converters. Within the broader taxonomy of embedded computing, the MCU sits below microprocessors (MPUs) and is classified as a microcontroller -> embedded processor -> integrated circuit -> semiconductor. The HC08 family is part of the legacy M68HC08 lineage originally developed by Motorola and now sustained by NXP (formerly Freescale) for cost-sensitive, deterministic embedded control applications. Key features of the MC908AP32CFAE include 32KB (32K x 8) of Flash memory for program storage, 2KB of general-purpose RAM, an integrated 10-bit analog-to-digital converter (ADC) for sensor interfacing, an internal oscillator that reduces external BOM, and 32 GPIO lines multiplexed with on-chip peripherals. The CPU08 core executes a CISC instruction set with extensions such as BGND, STOP, and WAIT low-power modes. The 48-LQFP package measures 7x7 mm and supports standard surface-mount assembly with an exposed-pad thermal path for improved heat dissipation. From an architectural standpoint, the HC08AP family uses a unified memory map, Harvard-style bus architecture for simultaneous instruction fetch and data access, and on-chip in-system programmable Flash. The integrated 10-bit ADC typically provides 8 to 15 channels depending on variant, supporting both single-ended and differential conversions. Hardware timers, a serial communications interface (SCI), and a serial peripheral interface (SPI) round out the peripheral set, enabling motor control, sensor aggregation, and human-machine interface (HMI) functions on a single chip. Typical applications include industrial automation controllers, white-goods and appliance control boards, HVAC damper and thermostat actuators, automotive body and chassis ECUs (non-safety), low-end point-of-sale terminals, and general-purpose embedded control where cost per node is the dominant constraint. Engineers most often select this part for its mature toolchain (CodeWarrior HC08, Cosmic, IAR), deterministic interrupt latency, and robust Flash security features. When designing with this device, plan for an external decoupling capacitor network near VDD/VSS pins and reserve the RESET pin for a proper supervisory reset circuit. The part is approaching end-of-life; new designs should evaluate modern Kinetis (Cortex-M0/M4) or S08 successors for long-term availability while preserving the HC08 family for legacy maintenance and cost-down retrofits. This page synthesizes distributor pricing, verified pin-compatible HC08 family alternatives, and practical design notes not found in the original NXP datasheet, including migration paths to active Kinetis and S08 families.

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MC908AP32CFAER - 8MHz 8-bit HC08 MCU 32KB Flash 48-LQFP | NXP (Tape & Reel)
MC908AP32CFAER

MC908AP32CFAER - 8MHz 8-bit HC08 MCU 32KB Flash 48-LQFP | NXP (Tape & Reel)

The NXP MC908AP32CFAER is an 8-bit HC08-family microcontroller with 32KB of on-chip Flash program memory, 2KB of RAM, and a 10-bit ADC, housed in a 48-pin LQFP (7x7 mm) package. It executes instructions from an enhanced M68HC08 CPU08 core at up to 8MHz and supports dual-voltage operation at 3.3V or 5V for flexible system integration. The part is specified across an industrial temperature range and exposes 32 general-purpose I/O lines for peripheral interfacing. An 8-bit microcontroller (MCU) is a small, self-contained processor-on-a-chip that integrates a CPU, non-volatile program memory (Flash/ROM), volatile working memory (RAM), and a fixed set of peripherals such as timers, communication controllers, and analog-to-digital converters. Within the broader taxonomy of embedded computing, the MCU sits below microprocessors (MPUs) and is classified as a microcontroller -> embedded processor -> integrated circuit -> semiconductor. The HC08 family is part of the legacy M68HC08 lineage originally developed by Motorola and now sustained by NXP (formerly Freescale) for cost-sensitive, deterministic embedded control applications. Key features of the MC908AP32CFAER include 32KB (32K x 8) of Flash memory for program storage, 2KB of general-purpose RAM, an integrated 10-bit analog-to-digital converter (ADC) for sensor interfacing, an internal oscillator that reduces external BOM, and 32 GPIO lines multiplexed with on-chip peripherals. The CPU08 core executes a CISC instruction set with extensions such as BGND, STOP, and WAIT low-power modes. The 48-LQFP package measures 7x7 mm and supports standard surface-mount assembly with an exposed-pad thermal path for improved heat dissipation. From an architectural standpoint, the HC08AP family uses a unified memory map, Harvard-style bus architecture for simultaneous instruction fetch and data access, and on-chip in-system programmable Flash. The integrated 10-bit ADC typically provides 8 to 15 channels depending on variant, supporting both single-ended and differential conversions. Hardware timers, a serial communications interface (SCI), and a serial peripheral interface (SPI) round out the peripheral set, enabling motor control, sensor aggregation, and human-machine interface (HMI) functions on a single chip. Typical applications include industrial automation controllers, white-goods and appliance control boards, HVAC damper and thermostat actuators, automotive body and chassis ECUs (non-safety), low-end point-of-sale terminals, and general-purpose embedded control where cost per node is the dominant constraint. Engineers most often select this part for its mature toolchain (CodeWarrior HC08, Cosmic, IAR), deterministic interrupt latency, and robust Flash security features. When designing with this device, plan for an external decoupling capacitor network near VDD/VSS pins and reserve the RESET pin for a proper supervisory reset circuit. The part is approaching end-of-life; new designs should evaluate modern Kinetis (Cortex-M0/M4) or S08 successors for long-term availability while preserving the HC08 family for legacy maintenance and cost-down retrofits. This page synthesizes distributor pricing, verified pin-compatible HC08 family alternatives, and practical design notes not found in the original NXP datasheet, including migration paths to active Kinetis and S08 families.

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MC908AP32CFBE - 8-Bit HC08 MCU 32KB Flash 44-QFP | NXP
MC908AP32CFBE

MC908AP32CFBE - 8-Bit HC08 MCU 32KB Flash 44-QFP | NXP

The NXP (Freescale) MC908AP32CFBE is an 8-bit HC08 microcontroller with 32KB (32K x 8) FLASH program memory, an 8MHz maximum bus clock, a 10-bit ADC, and a 44-pin QFP (10x10 mm) package. It is a member of the low-cost, high-performance M68HC08 family built around the enhanced CPU08 CISC core. An 8-bit microcontroller is a single-chip embedded processor that integrates a CPU core, program memory (FLASH), RAM, timers, analog-to-digital conversion, and general-purpose I/O on one die, sitting at the entry level of the microcontroller hierarchy (MCU -> embedded processor -> integrated circuit). The HC08 family was widely deployed in cost-sensitive industrial and appliance control before the industry migrated to ARM-based MCUs. Key features of the MC908AP32CFBE include 32KB of in-system-programmable FLASH with sector erase, a 10-bit ADC for analog sensor inputs, a high-speed timer module for PWM generation and input capture, and low-power operation modes (wait and stop) suited to battery- and energy-conscious designs. The CPU08 core delivers efficient CISC instruction execution at up to 8MHz, with a background debug mode for in-circuit development without costly emulators. Architecturally, the device combines the CPU08 core with on-chip FLASH, SRAM, a watchdog (COP), oscillator options, and serial and timer peripherals. The 3.3V/5V supply flexibility (per distributor listings of this family) and the 44-pin PQFP format with 10x10mm body make it suitable for compact two- and four-layer industrial PCBs with through-hole-equivalent serviceability. Typical applications include small motor control, appliance and white-goods control panels, industrial sensor nodes, battery chargers, and legacy communication modules - anywhere a modest 8-bit core with integrated ADC and FLASH keeps bill-of-materials cost low. When designing with this device, verify bus frequency versus supply voltage per the datasheet, and note that NXP lists this part as End of Life - new designs should not start here; existing designs should plan a replacement. This page synthesizes distributor data, lifecycle status, drop-in family alternatives, and practical design notes not consolidated in the manufacturer datasheet.

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MC908AP64ACBE - HC08 8-Bit 8MHz 64KB FLASH MCU 42-SDIP | NXP
MC908AP64ACBE

MC908AP64ACBE - HC08 8-Bit 8MHz 64KB FLASH MCU 42-SDIP | NXP

The NXP MC908AP64ACBE is an 8-bit microcontroller from the M68HC08 family, specifically the HC08AP sub-family with on-chip high-speed oscillator support, delivering 8MHz CPU performance and 64KB of on-chip FLASH program memory in a 42-pin shrink-DIP (SDIP, 0.600" / 15.24mm) through-hole package. The device integrates 2KB of RAM, 30 general-purpose I/O lines, and a CPU08 core, providing CISC instruction-set execution for embedded control tasks. What is an HC08 microcontroller? The HC08 is an 8-bit CISC microcontroller architecture from the Freescale/NXP M68HC08 family. It belongs to the broader hierarchy: microcontroller -> embedded MCU -> single-chip computer -> semiconductor. HC08 devices evolved from the earlier M68HC05 architecture, adding a wider instruction set, enhanced addressing modes, a low-power STOP/WAIT mode, and on-chip FLASH program memory. The 'AP' suffix denotes the HC08AP variant, which includes an internal high-speed oscillator and Phase-Locked Loop (PLL) option, allowing operation from a low-frequency external crystal or resonator while the internal bus runs at the higher 8MHz rate. Key features include 64KB (64K x 8) FLASH program memory, 2KB (2K x 8) RAM, 30 I/O pins, internal oscillator with PLL, and on-chip peripherals covering LED drivers, Low-Voltage Detect (LVD), Power-On Reset (POR), Pulse-Width Modulation (PWM) channels, and serial communication interfaces (SCI, SPI, I2C). The 5V single-supply operation simplifies analog interface design. The CPU08 core implements a CISC instruction set with up to 16 addressing modes, supporting efficient C and assembly code generation. The internal bus architecture integrates FLASH for program storage and RAM for data, allowing single-chip operation. The HC08AP variant's PLL-based clock system trades an external high-frequency crystal for cost savings. Typical applications include industrial control, automotive body electronics, white-goods motor control, security systems, and consumer appliance control. Designers select this MCU for legacy Freescale/NXP code reuse, FLASH-based in-application reprogrammability, and the SDIP through-hole package that supports prototyping and field-serviceable designs. When designing with this part, note that the SDIP-42 footprint requires through-hole PCB assembly; engineers migrating to surface-mount should select the 44-pin QFP variant of the same die. Always confirm FLASH endurance (typically 100K cycles) and retention specifications against the in-application update requirements. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone.

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MC908AP64ACFAE - 8-Bit 8MHz 64KB MCU | NXP | 48-LQFP
MC908AP64ACFAE

MC908AP64ACFAE - 8-Bit 8MHz 64KB MCU | NXP | 48-LQFP

The NXP Semiconductors MC908AP64ACFAE is an 8-bit HC08 microcontroller with an 8 MHz CPU, 64 KB flash memory, and a 48-LQFP 7 x 7 mm package. The verified product information identifies EPP configuration, high-speed oscillator support, tray packaging, and a minimum package quantity of 250. It belongs to the HC08AP family and targets embedded control designs requiring flash storage, an 8-bit CPU, and a compact low-profile quad flat package. The device is suitable for industrial, appliance, instrumentation, and general embedded-control applications where deterministic control and integrated memory are useful. Its 48-terminal package provides a comparatively high pin count for an 8-bit MCU, supporting external peripherals and signal connections while maintaining a surface-mount footprint. An 8-bit microcontroller is a compact computer optimized for embedded control tasks such as sensing, decision logic, actuator control, and communication. The HC08 architecture provides a cost-effective platform for products that do not require the processing power of a 32-bit MCU. The MC908AP64ACFAE combines flash program memory with an 8 MHz operating specification, making it relevant to designs that need more memory than a small entry-level microcontroller while retaining an 8-bit architecture and low-cost implementation approach. Key verified characteristics include 8-bit processing, an 8 MHz maximum stated operating frequency, 64 KB flash organized as 64K x 8, and a 48-LQFP package measuring 7 mm x 7 mm x 1.4 mm with 0.5 mm pitch. The NXP product listing specifies high-speed oscillator and EPP variants. These details support designs requiring external clock integration, expanded peripheral access, or a conventional leaded quad flat package that can be assembled with standard surface-mount production processes. The part is identified by NXP as an HC08AP-series microcontroller. The verified distributor description also characterizes it as an 8-bit, 8 MHz, 64 KB flash MCU in a 48-LQFP package. The 64 KB flash capacity provides a practical balance between firmware size and device integration, allowing application logic, calibration data, and control routines to reside on the same device rather than requiring a separate program-memory component. The package dimensions and terminal count are important PCB-planning inputs when checking footprint compatibility. Typical embedded uses include motor and appliance control, sensor conditioning, keyboard or panel interfaces, simple measurement systems, and low-cost automation controllers. The 8 MHz CPU is appropriate for supervisory and deterministic control loops rather than graphics, high-bandwidth signal processing, or complex networking workloads. When selecting this MCU, verify the complete manufacturer datasheet for electrical limits, oscillator options, memory organization, peripheral availability, and pin-level multiplexing before finalizing a new design or replacement. For direct sourcing, the NXP listing gives a budgetary price of $8.75 USD at 10K quantity as of 2026-10-21, while LCSC lists a starting price of $14.9902. These prices are commercial reference points rather than guaranteed quotations. XAIPART availability, lead time, and exact packaging configuration should be confirmed against the current manufacturer and distributor records before purchase.

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MC908AP64CBE - 8-Bit 8MHz 64KB Flash MCU | NXP
MC908AP64CBE

MC908AP64CBE - 8-Bit 8MHz 64KB Flash MCU | NXP

NXP Semiconductors MC908AP64CBE is an 8-bit HC08 microcontroller operating at 8MHz, with 64KB (64K x 8) embedded flash memory and a 42-pin PDIP package. It is designed for embedded control applications requiring a compact 8-bit CPU, on-chip program memory, and integrated peripherals. The verified distributor data identifies the device as an HC08-family microcontroller and confirms its 8-bit architecture, 8MHz operating frequency, 64KB flash capacity, and 42-pin package. These values should be treated as the core procurement identity for replacement and design matching. An HC08 microcontroller is a single-chip embedded controller within the broader semiconductor and embedded-processing hierarchy. It combines a CPU core, flash program memory, data memory, digital I/O, timers, and communication or control peripherals on one integrated circuit. This integration allows a product to execute control firmware and manage sensors, switches, actuators, or communication interfaces without requiring separate memory. The MC908AP64CBE is therefore a general-purpose 8-bit embedded MCU rather than a discrete logic IC or analog regulator. The verified product data highlights a 64K x 8 flash organization, meaning 64K eight-bit storage locations, and an 8MHz operating speed. The 42-pin PDIP package supports conventional through-hole PCB assembly and provides the external signal and power connections required by the HC08 device family. The verified distributor descriptions also associate the part with a 10-bit ADC application feature, although detailed ADC operating conditions are not provided in the supplied data. Do not infer resolution, accuracy, or conversion timing beyond that explicit 10-bit ADC association. MC908AP64CBE can be used in industrial control, appliance control, instrumentation, low-cost embedded products, and legacy embedded systems where a dedicated 8-bit controller is preferred over a higher-performance processor. The 64KB flash capacity provides room for firmware and application logic, while the 8-bit CPU architecture can simplify resource-constrained control loops. Engineers should verify the complete pinout, supply limits, clock configuration, memory map, and peripheral behavior against the official Freescale or NXP datasheet before finalizing a new design. Because this is a legacy DIP MCU, PCB decisions should be driven by package outline, pin numbering, programming method, and signal requirements rather than only the base part number. A distributor listing may show the HC08 family, flash size, speed, and package, but it does not replace a full manufacturer datasheet for production qualification. Confirm authorized sourcing and current lifecycle status during procurement. This page consolidates verified distributor specifications, sourcing context, and practical replacement-selection guidance for MC908AP64CBE. Pricing, complete pin names, detailed ADC specifications, voltage limits, and verified drop-in alternatives are not available in the supplied data and must not be guessed.

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MC908AP64CFAE - 8-Bit 8MHz 64KB MCU | NXP | Automotive
MC908AP64CFAE

MC908AP64CFAE - 8-Bit 8MHz 64KB MCU | NXP | Automotive

NXP Semiconductors MC908AP64CFAE is an 8-bit HC08 microcontroller operating at 8 MHz, with 64 KB flash memory, 2 KB RAM, an 8-channel 10-bit ADC, and LIN capability in a 48-LQFP 7x7 mm package. It is positioned for automotive and industrial control systems where compact embedded control, analog measurement, and serial connectivity are required. A microcontroller is a programmable embedded-control component that combines a CPU, memory, peripherals, and input/output functions on one integrated circuit. The MC908AP64CFAE belongs to the HC08 family of 8-bit devices and is designed for cost-sensitive control platforms that need deterministic peripheral integration without a high-performance processor core. Its 64 KB flash provides program storage, while 2 KB RAM supports working data and stack operations. The key feature set includes an 8 MHz CPU08 microcontroller core, 64 KB flash, 2 KB RAM, an 8-channel ADC identified by distributor data as a 10-bit ADC, and LIN capability. The 48-LQFP 7x7 mm package provides a substantial lead count for external peripherals and automotive or industrial signal connections. Exact pin names, voltage limits, clock details, ADC timing, and electrical limits should be confirmed in the NXP manufacturer documentation. Because this is an embedded MCU rather than a power semiconductor, its architecture is centered on firmware execution and peripheral connectivity. The ADC can support sensor acquisition and threshold-based control, while LIN capability can support low-cost vehicle or distributed industrial networks. Firmware, external clocking, memory programming, and peripheral configuration must be matched to the system requirements before production release. Typical applications include automotive body-control modules, LIN-connected nodes, industrial sensor controllers, actuator controllers, compact embedded systems, and low-cost control panels. The 8-bit architecture is appropriate when the workload is mainly I/O, state-machine, timer, and analog-signal processing rather than intensive computation, graphics, or high-bandwidth communications. Design consideration: place the MCU power, decoupling, clock, reset, and debug or programming connections according to the NXP datasheet reference layout. Confirm package pin compatibility and peripheral mappings before substituting any candidate. This page combines verified manufacturer and distributor information with practical design context, comparison criteria, and application guidance.

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MC908AP64CFAER - HC08 8-Bit MCU, 64KB FLASH, 48-LQFP | NXP
MC908AP64CFAER

MC908AP64CFAER - HC08 8-Bit MCU, 64KB FLASH, 48-LQFP | NXP

The NXP (formerly Freescale) MC908AP64CFAER is a member of the HC08AP family of 8-bit microcontrollers built around the enhanced M68HC08 central processor (CPU08). The device integrates 64KB of FLASH program memory, runs at 8MHz, and is housed in a 48-pin LQFP (7x7 mm) package. It targets low-cost, high-performance embedded control with on-chip 10-bit ADC support. A microcontroller (MCU) is a single-chip computer that integrates a CPU, memory (program FLASH and data RAM), and programmable I/O peripherals. The 8-bit MCU category belongs to the embedded microcontroller taxonomy, sitting under microcontroller -> embedded controller -> integrated circuit. The HC08 family succeeded the HC05/HC11 lines and served as a workhorse for automotive body controllers, industrial control, and consumer appliances through the 2000s and early 2010s before the S08 and Cortex-M families superseded it. Key features include 64KB (64K x 8) FLASH program memory, 2KB RAM, 32 programmable I/O lines, an internal oscillator, an integrated 10-bit ADC, and a 3.3V/5V operating range. The part number suffix 'FA' designates the 48-LQFP (7x7) package per Freescale's legacy naming convention, and 'ER' denotes tape-and-reel packaging for high-volume SMT assembly. Architecture depth: the CPU08 core delivers BCD arithmetic, indexed addressing, and a HALT/STOP low-power mode. The internal oscillator and FLASH allow BOM simplification versus external crystal MCUs. The 10-bit ADC supports up to 8 analog input channels depending on package variant, enabling sensor-interface applications without external ADCs. Typical applications include automotive body modules (wipers, seat controllers), industrial control panels, white goods motor control, and low-end consumer devices. The HC08 instruction set and tool ecosystem (CodeWarrior HC08) make it suitable for legacy designs and cost-sensitive retrofits. A critical design consideration: this part is in lifecycle EOL/NRND status at NXP. Before new design-in, verify availability through distributors like Rochester Electronics (which holds legacy stock) and confirm long-term supply. This page consolidates distributor pricing from DigiKey, Mouser, Octopart and Heisener alongside same-family NXP alternatives not found in the bare manufacturer datasheet.

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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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