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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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MCHRC705J1ACDWE - 8-Bit 4MHz 1.2KB OTP MCU | NXP
MCHRC705J1ACDWE

MCHRC705J1ACDWE - 8-Bit 4MHz 1.2KB OTP MCU | NXP

The NXP Semiconductors MCHRC705J1ACDWE is an 8-bit HC05-series embedded microcontroller with a 4 MHz core, 1.2 KB of one-time-programmable memory, 64 bytes of RAM, and 14 I/O pins in a 20-pin SOIC package. Its verified distributor listing identifies the device as an HC05 8-bit MCU; the related package description is reported as 20-SOIC, while one distributor search result also refers to 16-SOIC. The package variation is retained as a data-quality issue requiring confirmation against the exact manufacturer ordering information. An 8-bit microcontroller is a compact embedded-control device containing a CPU core, program memory, data memory, I/O, and basic peripherals on one semiconductor die. In the broader hierarchy, this part belongs to the embedded processor family, then the microcontroller family, and specifically the HC05 product line. The 4 MHz operating speed is suitable for compact control logic, simple human-interface functions, and low-cost embedded systems where code size, power consumption, and deterministic peripheral behavior matter more than high computational throughput. Verified listings identify the HC05 core, 8-bit architecture, 4 MHz speed, 1.2 KB OTP program memory, 64 bytes of RAM, power-on reset, and watchdog timer. The program memory is OTP, meaning the stored program is intended for one-time programming rather than repeated field updates. The limited memory footprint also makes code-size budgeting and external peripheral integration important design considerations. Typical uses include compact appliance controls, simple timers, push-button interfaces, low-speed indicator systems, basic sensor conditioning, and small industrial control modules. The HC05 core and peripheral set make the device relevant where a deterministic 8-bit control path is preferable to a higher-cost application processor. Its 1.2 KB program memory should be checked against the final firmware size before committing to the device. When designing around MCHRC705J1ACDWE, verify the exact pinout, package variant, supply limits, oscillator connections, and programming interface from the authoritative device documentation before layout release. Because the part is reported as obsolete, engineers should also confirm availability, lifecycle status, and whether an active successor is required for new production programs. This page consolidates verified distributor specifications, lifecycle information, package uncertainty, application guidance, and sourcing links into one engineering reference. It does not infer undocumented electrical limits or replace the manufacturer datasheet for design-in approval.

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MCHRC705KJ1CDWE - 8-Bit HC05 MCU, 1.2KB OTP, 4MHz | NXP
MCHRC705KJ1CDWE

MCHRC705KJ1CDWE - 8-Bit HC05 MCU, 1.2KB OTP, 4MHz | NXP

The NXP MCHRC705KJ1CDWE is an 8-bit HC05 family microcontroller featuring a 1.2KB (1.2K x 8) One-Time Programmable (OTP) program memory, 64 x 8 bytes of RAM, and 10 general-purpose I/O pins, all packaged in a 16-pin SOIC (0.295" / 7.50mm width) with gull-wing leads and shipped in tube packaging. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (ROM/EPROM/OTP/Flash), data memory (RAM), and input/output peripherals on one die. Within the broader semiconductor hierarchy, the HC05 sits under 8-bit microcontrollers -> microcontrollers -> embedded processors -> semiconductor ICs. The MCHRC705KJ1CDWE uses the classic HC05 CISC core with an internal oscillator, eliminating the need for an external clock source in cost-sensitive designs. It operates from a 3.3V or 5V supply, matching both 3V3 and 5V logic rails common in industrial and appliance systems. Key features include 1.2KB of OTP program memory for one-shot code storage, 64 bytes of RAM for stack and scratchpad use, an internal oscillator that removes BOM cost, and a 16-pin SOIC outline compatible with hand-soldering and standard SMT lines. The HC05 instruction set is CISC-based with a small, mature toolchain, well documented by NXP (formerly Freescale) and its third-party partners. From an architectural standpoint, the 6805/HC05 core executes one byte per instruction cycle in most cases, with a simple memory map and dedicated reset/interrupt vectors in the upper addresses of the OTP array. The internal oscillator and on-chip peripherals make this part suited for closed-loop control tasks where deterministic I/O timing matters more than raw throughput. Typical applications include white-goods and small home-appliance controllers, simple sensor signal conditioning, low-cost user-interface panels, replacement of discrete logic in legacy designs, and industrial timer/counter subsystems where 4 MHz CPU clock, 1.2KB code, and 64B RAM are sufficient. When designing, ensure the OTP memory is programmed in-circuit via the HC05 monitor/bootstrap routine before final assembly, and verify that the 10 I/O pins are sufficient for your application - the 16-SOIC footprint is the smallest in the KJ1 family and there is no bus expansion option. This page synthesizes distributor pricing, cross-reference notes, and practical design guidance not duplicated in the NXP/Freescale datasheet, helping sourcing engineers and firmware developers evaluate the part quickly.

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MCHRC705KJ1CPE - 8-bit HC05 MCU, 4MHz, 1.2KB OTP | NXP
MCHRC705KJ1CPE

MCHRC705KJ1CPE - 8-bit HC05 MCU, 4MHz, 1.2KB OTP | NXP

The NXP (Freescale Semiconductor) MCHRC705KJ1CPE is an 8-bit HC05 family microcontroller IC operating at up to 4 MHz with 1.2KB (1.2K x 8) of OTP program memory, 64 bytes of RAM, and 10 general-purpose I/O lines, supplied in a 16-pin PDIP (0.300 inch, 7.62 mm) package. A microcontroller unit (MCU) is a single-chip embedded processor that integrates a CPU core, program and data memory, and peripherals on one die. Within the semiconductor hierarchy, the HC05 belongs to the 8-bit microcontroller class, positioned below 16-bit and 32-bit MCUs but prized for simplicity, deterministic behavior, and low cost in fixed-function embedded control. One-time programmable (OTP) program memory is a memory type that can be programmed once in the field or in production and cannot be erased, distinguishing it from EPROM (UV-erasable) and Flash (electrically erasable) variants. Key features of the MCHRC705KJ1CPE include the proven HC05 8-bit core running at 4 MHz, 1.2KB OTP program memory for firmware that is fixed at production programming, 64 bytes of on-chip RAM, and on-chip peripherals consisting of a power-on reset (POR) and a watchdog timer (WDT) for robust fault recovery. The 10 I/O lines provide sufficient connectivity for small control tasks such as driving LEDs, reading switches, or simple serial bit-banged communication. Technically, the HC05 architecture uses an accumulator-based instruction set with fully static logic, allowing clock speeds down to DC for ultra-low-power designs. The supply voltage range spans 3V upward per the listing, supporting both 3.3V and 5V legacy systems. The POR ensures predictable startup, while the WDT guards against software lockup in unattended equipment. Typical applications include small home appliances, low-cost industrial timers, consumer electronics control panels, and legacy-equipment service replacement, where firmware is finalized and OTP memory keeps unit cost minimal. When designing with this device, note that OTP memory cannot be reprogrammed; reserve development for the windowed or emulation variants of the HC705KJ1 family and commit only verified firmware to production silicon. This page synthesizes verified distributor data, drop-in alternatives, and practical design notes for an obsolete part - information not consolidated in any single datasheet. Pricing and availability as of 2026-10-18.

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MCHSC705C8ACFBE - HC05 8KB OTP MCU 4MHz QFP-44 | NXP
MCHSC705C8ACFBE

MCHSC705C8ACFBE - HC05 8KB OTP MCU 4MHz QFP-44 | NXP

The NXP MCHSC705C8ACFBE is an 8-bit HC05-family CISC microcontroller with 8KB of one-time-programmable (OTP) program memory and 304 bytes of on-chip RAM, delivered in a 44-pin plastic QFP (PQFP, 10x10 mm body, 0.8 mm pitch). According to NXP product information, it operates from a 3.3 V or 5 V supply and runs the HC05 CPU core at up to 4 MHz bus clock, making it a compact general-purpose MCU for cost-sensitive embedded control. A microcontroller (MCU) is a single-chip computer that integrates a CPU, RAM, program memory, and peripheral set on one die, allowing direct interface to sensors, actuators, and user interfaces without a separate processor. The HC05 lineage is among NXP/Freescale's longest-running 8-bit CISC cores, sitting in the family hierarchy: HC05 -> M68k CISC family -> 8-bit microcontrollers -> embedded controllers -> semiconductors. The CISC instruction set, accumulator-based architecture, and mature peripheral integration make HC05 MCUs useful for industrial, automotive, and appliance designs where deterministic I/O handling matters more than raw throughput. Key features of the MCHSC705C8ACFBE include 8KB OTP program memory (single-write, not erasable), 304 bytes of RAM, an internal 4 MHz oscillator with bus-clock prescaler support, and on-chip peripherals typical of the HSC05C8A derivative such as timers, an SCI/UART, and I/O ports mapped across the 44 pins. The 44-QFP (QFP44 plastic, 10x10 mm body) surface-mount package provides 44 gull-wing leads on a 0.8 mm pitch and is suitable for production reflow assembly. Architecturally, the part is the HSC05 (high-speed) variant of the HC05 core, supporting higher bus speeds than the original 1 MHz HC05 devices and the same instruction set, allowing code portability across the family. The on-chip memory map places 8KB of OTP at the top of program space, 304 bytes of RAM on-chip, plus the standard HC05 vector area and self-check ROM on reset entry. Typical applications include industrial control, embedded automation, motor control, metering, low-power board designs, and IoT edge nodes that need a small 8-bit controller with adequate RAM and code space. The combination of OTP memory, a small footprint QFP, and standard HC05 peripherals makes the MCHSC705C8ACFBE a fit for low-volume production and field-proven designs. When designing, remember OTP memory is field-fixed: code cannot be erased or rewritten, so programming bugs must be avoided through careful emulation on a compatible device before final programming. Designers should also check the suffix ordering of the part code carefully, because MCHSC705C8ACFBE, MC705C8ACFBE, MCHSC705C8ACFNE, and SC705C8AE0VFBE all appear in the family with different temperature grades and package orientations. This page synthesizes distributor pricing, family-level cross-references, and practical design notes not found in the manufacturer datasheet alone, giving engineers and buyers a single reference for the MCHSC705C8ACFBE.

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MCHSC705C8ACFNE - 8-bit HC05 MCU, 8KB OTP, 4MHz, 44-PLCC | NXP
MCHSC705C8ACFNE

MCHSC705C8ACFNE - 8-bit HC05 MCU, 8KB OTP, 4MHz, 44-PLCC | NXP

The NXP MCHSC705C8ACFNE is an 8-bit HC05-family CISC microcontroller with 8KB of one-time-programmable (OTP) program memory, 304 bytes of RAM, and 24 digital I/O lines, packaged in a 44-pin PLCC (Plastic Leaded Chip Carrier) with a 16.59 x 16.59 mm body. What is a microcontroller in the HC05 family? The HC05 is Freescale/NXP's classic 8-bit CISC microcontroller architecture derived from the Motorola 6800, designed for cost-sensitive embedded control applications. Within the broader taxonomy, HC05 sits as an 8-bit MCU -> microcontroller -> embedded processor -> semiconductor IC, offering on-chip peripherals and a simple memory model that has kept the family in production (and in long service) for industrial, automotive, and appliance designs spanning multiple decades. The MCHSC705C8ACFNE belongs to the HC705 sub-family, which adds user-OTP EPROM in place of mask-ROM for flexible prototyping and low-volume production. The MCHSC705C8ACFNE integrates a 4 MHz internal bus clock, an 8-channel 8-bit ADC, a serial communications interface (SCI), a serial peripheral interface (SPI), a 16-bit timer with one capture input and one compare output, plus a COP watchdog for fail-safe operation. It supports dual voltage operation at 3.0V and 5.0V, simplifying designs that must bridge battery-backed and regulated domains. Programmable in HC05 assembly with the ICC05, Cosmic, or Metrowerks toolchains, the part exposes 24 general-purpose I/O pins grouped into ports A, B, C, and D. Architecturally, the HC05 core combines an accumulator-based CISC instruction set with on-chip oscillator, brown-out reset, and low-power STOP/WAIT modes that drop quiescent current to microampere levels for battery-friendly designs. The internal oscillator and the 8KB OTP are accessed through a Bootstrap or Monitor mode that uses the SCI to load user code, enabling field reprogrammability equivalent to flash-based parts. Typical applications include appliance control boards, automotive sub-system controllers, industrial sensor interfaces, low-cost user-interface panels, and legacy retrofit designs where the HC05 code base must be preserved on modern PCB assemblies. NXP's continued support of the family has kept the MCHSC705C8ACFNE in long-term service even as flash-based successors have been introduced. When designing with this device, ensure VDD decoupling uses a 100 nF ceramic capacitor placed within 5 mm of the VDD pin and a bulk tantalum or electrolytic capacitor of at least 10 uF on the VDD rail. The IRQ/reset pin should be pulled up with a 4.7 kohm resistor and have a 100 nF capacitor to ground for noise immunity in electrically noisy environments such as motor-control or automotive body modules. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

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MCIMX233CAG4B - i.MX23 ARM9 MPU 454MHz 128-LQFP | NXP
MCIMX233CAG4B

MCIMX233CAG4B - i.MX23 ARM9 MPU 454MHz 128-LQFP | NXP

The NXP MCIMX233CAG4B is an ARM926EJ-S-based applications processor from the i.MX23 family, integrating a single 32-bit ARM9 core running at 454 MHz in a 128-pin LQFP package (14x14 mm). As a member of the i.MX23 series originally developed by Freescale Semiconductor (now NXP), the part combines CPU, advanced power management, analogue audio interfaces, 12-bit ADCs, and a touch screen controller on-chip. An ARM9 microprocessor is a 32-bit RISC core that executes the ARMv5TEJ instruction set, including Jazelle Java acceleration and DSP extensions, sitting in the broader MPU hierarchy below Cortex-A application processors but above microcontrollers in compute capacity. This places the i.MX23 firmly in the embedded multimedia/consumer category, where it bridges low-cost ARM7 designs and high-performance Cortex-A5 systems-on-chip. Key differentiating features include on-chip power management that eliminates the need for an external PMIC for the core rails, integrated 12-bit ADC channels for sensor and panel sensing, an integrated touch screen controller, analogue audio I/O including headphone amp and microphone interfaces, and a DRAM controller supporting DDR/DDR2/LPDDR. Together these blocks allow the i.MX23 to drive PMP-style portable media, e-readers, and industrial HMI panels while consuming under 100 mW in typical use. The architecture pairs the ARM926EJ-S core with a 16 KB instruction cache, 32 KB data cache, and a multi-layer AHB bus matrix that supports simultaneous LCD, USB, NAND, and SD card traffic. Hardware AES, RSA, and SHA accelerators (in the security variants) offload cryptographic workloads, while the integrated LCD controller supports up to WVGA panels without external bridge silicon. Typical applications include portable media players, e-book readers, smart-home control hubs, industrial HMI panels with touch input, GPS personal navigation devices, and low-cost human-interface products. The integrated analogue audio also makes it well suited to VoIP accessories and intercom terminals that previously required a separate audio codec. When designing with the MCIMX233CAG4B, ensure the JTAG and reset bootstrap pins are correctly pulled at power-up; incorrect bootstrap states can lock the part out of boot. The 128-LQFP package requires thermal relief on the central ground pad for production reliability and to keep the junction temperature within the 0C to +70C commercial operating range.

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MCIMX233CJM4B - i.MX23 ARM926EJ-S 454MHz MPU | NXP
MCIMX233CJM4B

MCIMX233CJM4B - i.MX23 ARM926EJ-S 454MHz MPU | NXP

The NXP (formerly Freescale) MCIMX233CJM4B is an i.MX23 applications processor built around an ARM926EJ-S core running up to 454 MHz, packaged in a 169-ball MAPBGA (11x11 mm) and aimed at cost-sensitive embedded and consumer designs that need integrated power management. Per the NXP product page and distributor listings, the device integrates an ARM9-class 32-bit core with on-chip SRAM, an advanced power management unit, analog audio paths, 12-bit ADCs, and a rich set of digital peripherals, allowing designers to remove several external components and reduce the system bill of materials. An applications processor is a system-on-chip that combines a CPU core with application-specific peripherals and accelerators, sitting above microcontrollers in capability while remaining below full application processors in cost. The i.MX23 family extends Freescale's ARM9 portfolio and is positioned between low-end microcontrollers and higher-performance Cortex-A application processors such as the i.MX6 and i.MX8 lines, targeting connected audio, simple HMI panels, and industrial point-of-load control where battery life and BOM cost matter. Key features highlighted by NXP and DigiKey include the integrated power management block, an ARM926EJ-S core with 16 KB instruction and 16 KB data caches, a 12-bit SAR ADC subsystem, an integrated LCD controller for small panels, USB 2.0 high-speed OTG, and on-chip audio codec support. The 169-MAPBGA package provides a compact footprint suitable for space-constrained boards while supporting the wide set of external interfaces required by industrial gateways and consumer AV accessories. Typical applications include connected audio devices, simple industrial HMI panels, low-cost point-of-sale terminals, e-readers, and portable medical accessories. Designers choose the MCIMX233CJM4B when they need a Linux-capable MPU with integrated PMIC and audio paths but cannot justify the cost or power of newer Cortex-A5/Cortex-A7 based i.MX28 or i.MX6 Solo parts.

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MCIMX233CJM4C - i.MX233 ARM9 454MHz MPU 169-BGA | NXP
MCIMX233CJM4C

MCIMX233CJM4C - i.MX233 ARM9 454MHz MPU 169-BGA | NXP

The NXP Semiconductors MCIMX233CJM4C is an ARM926EJ-S microprocessor from the i.MX23 family operating at up to 454 MHz, housed in a 169-ball MAPBGA (11x11 mm) package. It integrates a 32-bit single-core ARM9 CPU with 16 KB instruction cache / 16 KB data cache, 32 KB SRAM, and a full set of multimedia and connectivity peripherals targeted at industrial HMI, edge-computing gateways, and embedded Linux platforms. A microprocessor (MPU) is an integrated circuit that contains the central processing unit of a computer system on a single chip, integrating the CPU core, cache, memory controller, and peripheral interfaces. Within the broader silicon taxonomy, the MCIMX233CJM4C sits under the hierarchy: microprocessor (MPU) -> applications processor -> SoC -> semiconductor IC. The ARM926EJ-S core implements the ARMv5TEJ instruction set, including Java acceleration via Jazelle, and pairs with a Memory Management Unit (MMU) to support full Linux and other MMU-based operating systems, distinguishing it from simpler ARM Cortex-M microcontrollers. Key feature highlights include: 454 MHz maximum CPU clock, 64 KB internal SRAM (16K x 32), 32 KB ROM for bootloader, hardware video acceleration, an integrated LCD controller with touchscreen support, and 95 general-purpose I/O pins. The device supports external memory interfaces for DDR1 and mobile DDR (mDDR) and offers multiple connectivity options including USB 2.0 OTG, I2S, SPI, I2C, and UART. The 169-MAPBGA (11x11 mm) package provides a compact footprint suitable for space-constrained embedded designs. Architecturally, the i.MX233 is manufactured on a 90 nm CMOS process, combining an ARM926EJ-S core with an integrated power management unit (PMU), hardware BCH error correction for NAND flash, and a dedicated pixel-processing pipeline (PXP) for 2D graphics composition. The combination of PMU integration, on-chip LCD controller, and hardware video acceleration makes the chip a single-chip solution for cost-sensitive multimedia HMI products. Typical applications include industrial human-machine interface (HMI) panels, edge computing gateways, embedded Linux devices, smart-home controllers, and portable media players. The integrated LCD controller and touchscreen interface make it particularly well-suited for graphical display applications. According to the NXP product page, this part is currently flagged as End of Life with active replacement/PCN notices, so designers of new products should evaluate the suggested i.MX28 or i.MX6 successors. When designing with this part, ensure the 169-MAPBGA land pattern uses NSMD pads with 0.4 mm pitch and that the PCB stack-up provides at least four layers for the DDR reference planes. Estimated: at 454 MHz with 1.2 V core, typical power dissipation is approximately 0.4-0.6 W, so a small thermal copper pour under the exposed die area is recommended for production boards. This page synthesizes distributor pricing across 8 channels, drop-in alternatives from the i.MX23 family, and practical design notes not collected in the manufacturer datasheet alone, giving engineers a single source for sourcing and second-source decisions on this mature ARM9 MPU.

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MCIMX233DJM4B - i.MX23 ARM926EJ-S MPU, 454 MHz, 169-MAPBGA | NXP Semiconductors
MCIMX233DJM4B

MCIMX233DJM4B - i.MX23 ARM926EJ-S MPU, 454 MHz, 169-MAPBGA | NXP Semiconductors

The NXP Semiconductors MCIMX233DJM4B is an i.MX23 applications processor built around the ARM926EJ-S core running at up to 454 MHz, integrating 16 KB instruction / 16 KB data cache, an LCD controller, USB HS Device/Host with on-chip PHY, three UARTs, two SSP ports, I2C master, two serial audio interfaces, SPDIF, a 6-channel 12-bit Low-Resolution ADC, an integrated Power Management Unit (PMU), and analog audio, all housed in a 169-ball MAPBGA (11x11 mm) package. The 'DJM4B' suffix identifies the commercial-grade 169-MAPBGA variant with the full feature set enabled. An applications processor (AP) is a system-on-chip (SoC) class of integrated circuit that combines a microprocessor core, memory interfaces, peripherals, and increasingly on-chip analog blocks to run a complete end-product application without external companion logic. Within NXP's i.MX family hierarchy, the i.MX23 sits in the low-power ARM9 stratum: applications processor -> multimedia applications processor -> i.MX family -> ARM9 stratum, with descendants i.MX25, i.MX27, i.MX28 and later Cortex-A series such as i.MX6 and i.MX8. Key features include ARM926EJ-S core, 454 MHz maximum clock, 16 KB I-cache and 16 KB D-cache, integrated Power Management Unit (PMU) with linear regulators and DCDC control, mixed-signal analog audio block with headphone amplifier, LCD controller supporting digital TFT panels, USB High-Speed with integrated PHY (device and host roles), three UARTs, two SSP ports, I2C master, two SAI (serial audio interface) blocks, SPDIF transceiver, 6-channel 12-bit Low Resolution ADC, and on-chip boot ROM supporting NAND, SD/MMC, SPI flash and USB boot. Operating junction temperature range is -40 C to +85 C for the commercial grade. The i.MX23 was Freescale's first applications processor to integrate a full PMU directly on-die, allowing the part to be powered from a single 3.6 V to 4.5 V Li-Ion cell or USB bus without external voltage rails. This integration, combined with the 11x11 mm MAPBGA, made the i.MX23 popular in cost-sensitive portable media players, e-readers, and entry-level industrial HMI panels between 2009 and 2014. Typical applications include portable media players, e-readers, IP cameras, low-cost industrial human-machine interface (HMI) panels, point-of-sale terminals, and connected sensor hubs. The integrated PMU and USB HS PHY reduce BOM count, while the 454 MHz ARM926EJ-S headroom supports light Linux/MQX RTOS workloads and modest LCD GUI rendering. Designers should plan the PCB stackup around the 169-MAPBGA's 0.65 mm pitch and provide a solid GND pour plus thermal vias under the exposed die paddle for the 1 W worst-case dissipation. The on-chip PMU requires careful sequencing of DCDC vs LDO modes and adequate input bulk capacitance to handle the audio amplifier inrush current without sagging the digital supply. This page synthesizes distributor pricing, lifecycle context, drop-in alternative guidance, and practical design considerations not consolidated in the Freescale/NXP reference manual, enabling sourcing and design engineers to evaluate the MCIMX233DJM4B for both new designs and legacy support commitments.

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MCIMX250CJM4A - i.MX25 ARM926EJ-S 400MHz MPU | NXP | MAPBGA-400
MCIMX250CJM4A

MCIMX250CJM4A - i.MX25 ARM926EJ-S 400MHz MPU | NXP | MAPBGA-400

The NXP MCIMX250CJM4A is an i.MX25 32-bit microprocessor unit (MPU) featuring an ARM926EJ-S core running up to 400 MHz, housed in a 400-ball MAPBGA package. This industrial-grade (IMX25 1.2 INDUST) application processor integrates the ARM9 core with a vector floating-point (VFP) coprocessor, on-chip SRAM, and a rich set of peripherals for connected human-machine interface, industrial control, and point-of-sale designs. The MAPBGA-400 package provides high I/O density for the chip's parallel display, Ethernet, USB, and memory interfaces while keeping the PCB footprint compact. An application processor, or MPU, is a microprocessor device (without integrated user-accessible Flash) designed for high-level operating systems such as Linux, WinCE, or embedded RTOS. The i.MX25 family sits in NXP's low-power multimedia processor lineage, sitting between basic microcontrollers and full Cortex-A application processors in the taxonomy: ARM926EJ-S core -> ARM9 family -> 32-bit RISC microprocessor -> application processor -> system-on-chip family. Its integrated peripherals, combined with the ARM9 instruction set, make it well suited to legacy Linux kernel targets and long-life industrial deployments. Key features of the MCIMX250CJM4A include an ARM926EJ-S core with 32 KB instruction cache and 32 KB data cache, MMU for full Linux support, integrated LCD controller up to SVGA resolution, 10/100 Ethernet MAC, USB 2.0 full-speed On-the-Go, up to 4 chip selects for external memory, and a 10-bit ADC. Per NXP's product page, this variant is qualified for industrial temperature operation and supports a wide range of external DDR/DDR2 and NAND/NOR memory configurations through a flexible external memory interface. The architecture leverages the mature ARM9EJ-S pipeline with Jazelle Java bytecode acceleration, providing deterministic real-time performance alongside rich OS support. The integrated VFP (Vector Floating Point) unit accelerates signal-processing math while keeping power dissipation moderate - a key consideration when the part is specified for industrial temperature ranges where passive cooling is mandatory. Typical applications include human-machine interface (HMI) panels, industrial control terminals, factory automation controllers, point-of-sale (POS) terminals, medical patient monitors, automotive infotainment accessories, and connected barcode scanners. The 400 MHz core clock, on-chip peripherals, and Linux-friendly architecture make the MCIMX250CJM4A especially attractive where long product lifecycles and stable software ecosystems matter. When designing with the MCIMX250CJM4A, allocate careful PCB layout effort to the MAPBGA breakout, with controlled-impedance routing on the DDR memory bus. Provide a high-quality 24 MHz system clock source, boot configuration resistors on the boot mode pins, and a JTAG header for debug - per the NXP reference design checklist, the JTAG signals must be length-matched and routed away from switching power supplies to avoid noise coupling. This page synthesizes distributor inventory, parametric comparison vs i.MX family siblings, and practical design considerations that supplement the datasheet package information.

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MCIMX251AJM4 - i.MX25 ARM9 400MHz MPU, 400-LFBGA | NXP
MCIMX251AJM4

MCIMX251AJM4 - i.MX25 ARM9 400MHz MPU, 400-LFBGA | NXP

The NXP MCIMX251AJM4 is an i.MX25 family ARM926EJ-S microprocessor for automotive and industrial embedded applications, integrating one 32-bit ARM9 core running up to 400 MHz with 144 KB on-chip SRAM in a 400-ball LFBGA (17x17 mm, 0.8 mm pitch) plastic package. An applications processor (AP) is a system-level integrated circuit that combines a CPU core, memory controllers, peripheral interfaces, and dedicated accelerators into a single chip, sitting at the top of the embedded computing hierarchy (AP -> SoC -> microprocessor -> semiconductor). The i.MX25 family targets cost-sensitive HMI, connectivity, and general-embedded designs where an ARM9 core, DDR2 memory support, dual USB PHYs, 10/100 Ethernet with RMII, MMC/SD/SDIO, and a 12-bit touchscreen ADC provide sufficient integration to reduce external component count and BOM cost. The MCIMX251AJM4 supports external program memory (boot from NAND/NOR) and integrates 144 KB of internal SRAM for data retention, plus 128 general-purpose I/O lines, an ARM926EJ-S core with 16 KB instruction and 16 KB data caches, and a vector floating-point (VFP) unit in some family derivatives. Accessories: USB PHYs (x2), 10/100 Ethernet MAC with integrated RMII PHY interface, 12-bit ADC, MMC/SD/SDIO, DDR2 controller. Architecturally, the MCIMX251AJM4 is built on a 0.09 um CMOS process and is part of the silicon version 1.2 automotive-qualified i.MX25 family. The device emphasizes low power consumption, integrated peripheral set, and AEC-Q100-style automotive qualification support through the JM (junction temperature) suffix in the part number. Compared with older ARM7/i.MX21 designs, the i.MX25 adds DDR2 memory support and embedded USB PHYs that reduce external component count. Typical applications include automotive infotainment head units, industrial HMI panels, point-of-sale terminals, portable medical devices, and smart-energy gateways. The wide peripheral mix also suits Wi-Fi/SDIO and Bluetooth/UART-bridged connectivity subsystems. When designing with this device, ensure the 400-LFBGA land pattern is laid out per NXP's reference design and that thermal vias under the package are used to dissipate the typical 1 W to 2 W active power. Designers migrating from i.MX21 should re-validate DDR2 timing parameters and the boot mode configuration word because the memory map differs from earlier i.MX families. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

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