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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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MC912DG128ACPVE - 16-bit HC12 MCU 8MHz 128KB Flash | NXP
MC912DG128ACPVE

MC912DG128ACPVE - 16-bit HC12 MCU 8MHz 128KB Flash | NXP

The NXP Semiconductors MC912DG128ACPVE is a 16-bit HC12 (CPU12) CISC microcontroller with 128KB of on-chip flash memory, 8MHz maximum bus frequency, and 69 general-purpose I/O lines, housed in a 112-pin LQFP (20x20 mm) surface-mount package. A microcontroller unit (MCU) integrates a processor core, memory, and peripherals on a single chip, forming the highest-volume category of embedded semiconductor. The HC12 family descends from the widely used Motorola M68HC11 architecture; the CPU12 core is upward compatible with the M68HC11 instruction set, which means legacy 68HC11 code can be migrated with minimal rework while gaining 16-bit arithmetic throughput and expanded addressing. Key features of the MC912DG128ACPVE include 128KB (128K x 8) of flash program memory for large embedded applications, 8KB of internal RAM, and 2KB of on-chip EEPROM for non-volatile parameter storage. Two independent 8-channel 10-bit analog-to-digital converters provide up to 16 analog inputs, a key differentiator for sensor-heavy designs. The device operates from a 5V supply at up to 8MHz bus speed over the industrial temperature range. Architecturally, the part belongs to the Freescale/NXP HC912D processor series (16-bit MCU with SGF configuration per distributor listings). The CPU12 CISC core executes the M68HC11-compatible instruction set with enhanced indexed addressing modes, simplifying porting of mature 68HC11 firmware used across automotive and industrial platforms. The flash memory supports in-system programming, and the rich peripheral set covers serial communication, timing, and analog acquisition without external ASICs. Typical applications include automotive body and powertrain control modules, industrial automation controllers, motor drive boards, and legacy 68HC11 system upgrades where code compatibility and 128KB of flash headroom justify a 16-bit migration. A key design consideration is lifecycle status: this part is End of Life (EOL) per the NXP product page, so new designs should evaluate last-time-buy quantities or the DT128 flash/RAM-variant family members before committing. Verify flash erase/write endurance limits against your application update rate. This page synthesizes distributor inventory data, drop-in family alternatives, and EOL migration guidance not found in the manufacturer datasheet.

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MC912DG128ACPVR2 - 16-Bit 8MHz 128KB Flash MCU | NXP
MC912DG128ACPVR2

MC912DG128ACPVR2 - 16-Bit 8MHz 128KB Flash MCU | NXP

The NXP Semiconductors MC912DG128ACPVR2 is a 16-bit CISC microcontroller with 128 KB of flash memory, an 8 MHz clock, and a 112-pin LQFP package. It is identified in the supplied distributor data as an automotive AEC-Q100 part with a nominal 5 V supply, 85 I/O lines, and an operating-temperature range of -40 °C to +85 °C. The device also uses HCMOS technology and supports surface-mount assembly. A microcontroller is a programmable embedded-control IC that combines a processor core, memory, peripherals, and I/O in one device. The MC912 family belongs to the 16-bit embedded-controller hierarchy, where software executes from on-chip flash while the integrated peripherals connect the processor to sensors, actuators, communication links, and safety-oriented control systems. Compared with an 8-bit MCU, a 16-bit architecture provides a wider processing and addressing model for automotive body, powertrain-adjacent, and industrial embedded-control tasks, subject to the exact peripheral and memory configuration in the manufacturer datasheet. The supplied specifications identify 128 KB flash, an 8 MHz operating speed, 16-bit instruction and data processing, 5 V nominal operation, 85 I/O lines, and 112 LQFP terminals. These features make the MC912DG128ACPVR2 suitable for applications needing deterministic embedded control, substantial on-chip program storage, and a moderate pin count. The LQFP-112 package provides exposed perimeter leads for PCB assembly, while the gull-wing terminal form supports conventional inspection and rework processes. The part is reported as an automotive AEC-Q100 MCU, making it relevant to vehicle electronic control units and other embedded automotive systems. Its -40 °C to +85 °C industrial temperature designation is also useful for equipment operating across extended temperature ranges. Exact clock, memory, electrical, peripheral, and qualification details should be confirmed against the manufacturer technical data before a new design is released. Typical design use includes automotive body-control modules, sensor-conditioning controllers, actuator interfaces, communication hubs, industrial automation controllers, and embedded instrumentation. The 85 I/O lines can reduce the need for external interface logic when the system must connect multiple discrete signals. The 128 KB flash capacity provides room for application code and fixed control routines without relying on external program memory, although real firmware sizing must be measured rather than assumed. For PCB implementation, preserve the LQFP-112 land pattern, pin-1 orientation, exposed thermal and power requirements, and the manufacturer-specified decoupling and external-component layout. Do not substitute a similarly named MC912 variant without checking memory size, temperature grade, pinout, timing, qualification, and lifecycle status. This page consolidates verified distributor specifications, sourcing links, and design-oriented cautions for MC912DG128ACPVR2. It intentionally distinguishes reported facts from parameters requiring confirmation in the official datasheet.

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MC912DG128AVPV-FR - 16-Bit 128KB Flash MCU | NXP
MC912DG128AVPV-FR

MC912DG128AVPV-FR - 16-Bit 128KB Flash MCU | NXP

The NXP Semiconductors MC912DG128AVPV-FR is a 16-bit application-specific microcontroller built around the CPU12 core, operating at up to 8 MHz and housed in a 112-pin LQFP package. Its verified feature set includes 128 KB of internal flash EEPROM, 8 KB of RAM, 2 KB of EEPROM, 69 general-purpose I/O lines, two 10-bit analog-to-digital converter banks, two SCI modules, SPI, and I2C. The device is intended for embedded control systems that require substantial nonvolatile program memory and a broad set of on-chip peripherals. A microcontroller is a programmable semiconductor that integrates a processor core, memory, and peripherals into one package. The MC912DG128AVPV-FR belongs to the M68HC12 family and uses a 16-bit CPU12 architecture. Within the system hierarchy, it sits between a general-purpose embedded controller and a specialized application processor: firmware executes from internal flash, peripheral modules handle external events, and the ADC channels acquire analog measurements for control or monitoring. Verified features emphasize integration rather than a high-pin-count peripheral ecosystem. The 128 KB flash provides substantially more program storage than many small 8-bit controllers, while 8 KB of RAM supports working variables and protocol buffers. Two SCI channels support serial communications, SPI supports synchronous peripheral connections, I2C supports low-speed board-level devices, and the dual 10-bit ADC structure makes the MCU suitable for mixed-signal monitoring. The listed operating supply range is 4.5 V to 5.5 V. The -FR ordering code corresponds to the Rochester Electronics source identified in the verified marketplace record, while the base device is associated with NXP in the datasheet results. Rochester’s record reports one unit per package and MSL Level 3, with a 168-hour floor-life classification. Because this is a mature embedded-control MCU, firmware, peripheral configuration, clocking, reset behavior, electrical limits, and package details must be validated against the complete manufacturer documentation before production release. Typical uses include industrial equipment interfaces, automotive-style body and chassis controllers, data acquisition units, serial gateways, and compact embedded control panels. The MCU can coordinate ADC measurements with serial transceivers and nonvolatile storage while its 69 I/O lines operate external sensors, indicators, and interlocks. Its 5 V supply range suits established 5 V industrial architectures, provided the complete board respects the device’s input and I/O limits. A successful design should reserve all 112 package pins according to the official pinout and distinguish power, ground, clock, reset, analog, and communication functions during routing. PCB signal-integrity and decoupling decisions should be based on the complete datasheet rather than inferred from marketplace summaries. Legacy firmware should also be tested for compatibility with the exact die revision and production source. This page consolidates the verified NXP family data, Rochester Electronics sourcing record, distributor package information, and transparent replacement analysis. It distinguishes documented production sourcing from unverified substitute claims and avoids presenting generic 16-bit microcontrollers as drop-in replacements.

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MC912DG128AVPVE - 16-Bit 8 MHz 128KB MCU | NXP | Automotive
MC912DG128AVPVE

MC912DG128AVPVE - 16-Bit 8 MHz 128KB MCU | NXP | Automotive

NXP Semiconductors MC912DG128AVPVE is a 16-bit CPU12 microcontroller with an 8 MHz operating speed, 128KB program flash, 8KB RAM, 69 I/O pins, and a 112-LQFP package rated for 5 V operation. It is identified as end of life by the NXP product page. The device combines a CISC-based CPU12 core with integrated analog, timer, communication, and port resources for embedded automotive control. A microcontroller is a programmable integrated circuit containing a processor core, nonvolatile program memory, data memory, input/output ports, and peripherals on one semiconductor device. The MCU12 family belongs to the broader embedded-controller hierarchy: MCU12 device, 16-bit microcontroller, embedded processor, and semiconductor. MC912 devices combine bus-oriented control logic with resources intended for body, powertrain-adjacent, and industrial-style embedded systems. The verified device data identifies 128KB of flash organized as 128K x 8, 8K x 8 RAM, 69 I/O pins, an 8 MHz maximum speed, and a 112-pin LQFP package. Cross-reference results also describe two analog-to-digital converters, an enhanced capture timer, four PWM channels, serial interfaces, LIM, two 8-bit ports, key-wakeup interrupt capability, and clock generation. These integrated resources can reduce external component count in applications requiring several control and communication functions. The CPU12 architecture uses a 16-bit instruction set and provides a practical balance between computational capability, deterministic embedded control, and integration. Because exact peripheral assignments, electrical limits, memory-map details, and timing characteristics were not supplied in the verified excerpts, engineers should confirm them in the manufacturer datasheet and MC912 reference manual before final PCB release or firmware deployment. The end-of-life status makes lifecycle planning especially important. Typical automotive uses include body-control modules, actuator and motor-control logic, sensor-interface systems, embedded gateways, and compact powertrain-adjacent controllers. The 69 I/O count supports devices that need substantial discrete signal routing, while PWM and capture timers support switching, timing, and input-capture tasks. Serial interfaces can connect the MCU to sensors, transceivers, or other controllers. For a new design, confirm that the required 112-pin land pattern, 5 V supply, 8 MHz clocking, memory requirements, peripheral mix, and software toolchain remain supported by the selected product. For an existing MC912DG128AVPVE design, preserve the original footprint and firmware assumptions unless NXP provides a formal replacement. This page combines verified product-page, distributor, and cross-reference information with procurement-oriented guidance. The part is listed as end of life on NXP's official product page, so supply continuity and long-term sourcing should be confirmed with NXP or an authorized distributor. Distributor listings may still show inventory or pricing, but those listings do not override the manufacturer's lifecycle designation. The 5 V operating value, 8 MHz speed, memory organization, and 112-LQFP package are retained exactly where provided; additional electrical details remain to be verified.

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MC912DT128ACPV-FR 16-Bit 8MHz 128KB MCU | NXP
MC912DT128ACPV-FR

MC912DT128ACPV-FR 16-Bit 8MHz 128KB MCU | NXP

The NXP Semiconductors MC912DT128ACPV-FR is a 16-bit CPU12 microcontroller operating at 8 MHz, with 128 KB of program flash memory and 8 KB of RAM. It is packaged in a 112-pin LQFP measuring 20 mm by 20 mm and is intended for embedded control systems requiring on-chip flash, serial communications, analog conversion, timers, and a broad general-purpose I/O interface. The supplied technical data identifies tray packaging, 67 I/O pins, and an internal oscillator type. What is a microcontroller? A microcontroller, or MCU, is a semiconductor device that integrates a processor core, nonvolatile program memory, working RAM, peripherals, and I/O into one package. Within the electronics hierarchy, this CPU12 MCU is a microcontroller, embedded processor, and semiconductor. The MC912DT128ACPV-FR combines general-purpose embedded control with 128 KB flash and 8 KB RAM, allowing firmware, control logic, and peripheral handling to be consolidated into a single device. Key verified features include a 16-bit central processing unit, 128 KB of flash program memory, 8 KB of RAM, an 8 MHz speed rating, 67 I/O lines, and a 112-LQFP package. Search results also describe two analog-to-digital converters, four PWM channels, two asynchronous serial communications interfaces, timer and capture resources, a light integration module, and key-wakeup interrupt support. These resources make the device suitable for motor, industrial, communications, and embedded control designs where a higher integration level can reduce external component count. The MC68HC12 architecture is distinct from ARM Cortex-M devices, so software migration is not automatic. Firmware must target the CPU12 instruction set, memory map, interrupt system, and on-chip peripheral registers. Hardware designers must also follow the manufacturer’s 112-pin pin assignment, power, decoupling, clock, and exposed-pad guidance rather than treating it as a generic 112-pin MCU. Typical applications include industrial control panels, motor-control systems, communications gateways, instrumentation, automotive or transportation control modules, and general embedded products. The 16-bit CPU12 core provides a suitable balance of processing capability and integration for these systems, while the 8 MHz operating speed supports real-time control tasks. The package is large relative to modern mixed-signal MCUs, but it supports numerous I/O and peripheral connections in a surface-mount design. A key design consideration is that the verified source data does not provide every electrical limit, clock configuration, pin name, and timing parameter. Engineers should consult the original MC68HC12 technical data before final schematic capture, particularly for voltage limits, oscillator options, reset behavior, and peripheral multiplexing. This page combines verified source specifications, sourcing information, and design guidance without filling unknown values by inference. This data page additionally distinguishes the requested -FR orderable suffix from the base MPN, records distributor sourcing context, and provides a traceable comparison framework for engineers evaluating embedded-control upgrades or replacements.

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MC912DT128ACPVE - 16-Bit HC12 MCU 128KB Flash | NXP 112-LQFP
MC912DT128ACPVE

MC912DT128ACPVE - 16-Bit HC12 MCU 128KB Flash | NXP 112-LQFP

The NXP (formerly Freescale) MC912DT128ACPVE is a 16-bit HC12 family microcontroller with 128KB of Flash memory, 8KB of RAM, and 2KB of EEPROM, operating at up to 8MHz in a 112-pin LQFP (20x20 mm) package. The HC12 (also written HCS12/CPU12) is a 16-bit CISC microcontroller core originally developed by Motorola and now maintained by NXP Semiconductors. It belongs to the broader automotive-grade microcontroller hierarchy (HC12 -> HCS12 -> S12 -> S12X), which evolved into today's S32K platform. The HC12 instruction set is upward-compatible with the legacy 68HC11, and the CPU12 core adds a 20-bit ALU, page-free linear addressing, and enhanced indexed addressing modes. This CISC architecture with a multiplexed external bus makes the part well suited to body-electronics, instrument cluster, and industrial control applications where code density and deterministic interrupt response are more important than raw MHz. The DT128A variant integrates three independent CAN 2.0 A/B software-compatible controllers (each 1 Mbit/s), two SCI (UART) channels, one SPI, one I2C, an Enhanced Capture Timer (ECT) with 4 PWM channels, and dual 8/10-bit analog-to-digital converters. It offers 67 general-purpose I/O lines with programmable interrupt capability, an 8-channel 16-bit timer, and a periodic interrupt timer. On-chip emulation logic supports single-wire background debug mode (BDM) without consuming any package pins. Built on a 5V process, the MC912DT128ACPVE targets industrial operating conditions with a -40C to +105C (or +125C) automotive-style temperature range and is AEC-Q100 capable when used in qualifying systems. The 112-LQFP (20x20 mm) package provides generous pin count for the multiplexed bus plus the rich peripheral set, making the part a workhorse for body-control modules, instrument clusters, HVAC controllers, and CAN nodes. Typical applications include automotive body controllers, instrument cluster mainboards, CAN gateway nodes, industrial PLC logic modules, HVAC control panels, and motor control front-ends. Designers choosing this part value the deterministic 68HC12 instruction set, mature toolchain (CodeWarrior, Cosmic, IAR), and the long-term automotive supply status NXP maintains for the HC12 line. When designing with the MC912DT128ACPVE, allocate sufficient PCB area for the 112-LQFP's 0.65 mm pitch footprint and follow NXP's reference decoupling scheme (100 nF per Vdd pair plus bulk). Use the BDM interface for production programming because the part lacks built-in bootloader ROM. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes that are not consolidated in the manufacturer datasheet.

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MC912DT128AVPVE - 16-Bit 128KB Flash Automotive MCU | NXP
MC912DT128AVPVE

MC912DT128AVPVE - 16-Bit 128KB Flash Automotive MCU | NXP

NXP Semiconductors MC912DT128AVPVE is an automotive 16-bit MCU based on the CPU12 core, operating at 8 MHz with 128 KB of flash EEPROM in a 112-pin LQFP package. It is designed for embedded control applications requiring integrated CAN communications, analog conversion, timers, serial interfaces, and automotive qualification. A microcontroller is a programmable semiconductor device that combines a CPU core with memory and peripherals on one integrated circuit. The CPU12 executes embedded control software, while flash EEPROM retains firmware, RAM supports working data, and EEPROM preserves configuration or calibration values. This MC912DT128A-family device is positioned within the hierarchy of embedded processors, microcontrollers, and automotive semiconductor control systems. The verified product information identifies a 16-bit CPU12 architecture, 8 MHz operation, 128 KB flash EEPROM, and a 112-LQFP package. The device family also provides 8 KB RAM, 2 KB EEPROM, two analog-to-digital converter banks, two asynchronous SCI peripherals, SPI, I2C, enhanced capture timer, PWM channels, and three 1 Mbit/s CAN 2.0 modules. These resources support concurrent digital control, sensor acquisition, and network communication. Automotive-oriented part coding and AEC-Q100 identification are reported by the verified distributor data, while the component is offered in a tray. The three CAN controllers are especially important for body, powertrain-adjacent, industrial automation, and transportation systems where distributed nodes must exchange real-time data. Serial interfaces provide additional paths to sensors, actuators, diagnostics equipment, and external controllers. Use the MCU in applications such as electronic control units, body modules, motor and actuator controllers, CAN gateways, industrial automation controllers, and embedded sensing platforms. The 8 MHz CPU12 and broad peripheral set allow firmware to combine communication, timing, and analog supervision in one device. Verify clock, memory, electrical, temperature, and qualification details against the manufacturer datasheet before production release. The primary design consideration is PCB integration in the 112-pin LQFP package. Its fine-pitch leads and automotive supply-voltage environment require careful power distribution, decoupling, grounding, signal-integrity review, and thermal validation. A hardware-in-the-loop test should verify CAN timing, startup behavior, peripheral contention, and firmware migration before production. This product page consolidates verified distributor specifications, pricing, sourcing links, and design-oriented context. It does not substitute for the complete NXP datasheet, errata, reference manual, or application validation required for safety-critical automotive deployment.

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MC9328MX1CVM15 - i.MX1 ARM920T 150MHz MPU, MAPBGA-256 | NXP
MC9328MX1CVM15

MC9328MX1CVM15 - i.MX1 ARM920T 150MHz MPU, MAPBGA-256 | NXP

The NXP MC9328MX1CVM15 is a member of the i.MX family of integrated portable system processors, built around an ARM920T core running up to 150 MHz with a 32-bit architecture. Housed in a 256-ball MAPBGA (MAPBGA-256) plastic package (case 1304B-01), the device integrates system peripherals targeted at handheld and portable embedded applications. Operating temperature range is specified from -40C to +85C for the CVM15 suffix variant, distinguishing it from the commercial VM15 grade (0 to +70C). What is a microprocessor (MPU)? A microprocessor is a CPU-centric integrated circuit that fetches instructions from external memory and executes them, typically relying on companion chips for RAM, storage, and I/O. In the embedded hierarchy, an MPU sits above a microcontroller (MCU) in performance and memory bandwidth but below an applications processor in peripheral integration. The i.MX1 family specifically bridged the gap between Freescale's earlier DragonBall MCUs and full applications processors, providing ARM9 performance with power-management features suited to battery-powered products. Key features include the ARM920T core with a 16 KB instruction cache and 16 KB data cache, an integrated LCD controller, USB device interface, multimedia card (MMC) and Secure Digital (SD) host, CMOS sensor interface, synchronous serial port (SSI), and a 10-bit analog touch-screen controller. The device supports 16-bit and 32-bit SDRAM interfaces and a NAND flash controller with hardware ECC. The MC9328MX1CVM15 architecture combines an ARM9TDMI integer pipeline with a separate coprocessor bus, enabling tighter integration of DSP-style operations. Internal AHB/APB bridges partition peripheral traffic to maintain CPU throughput, while the integrated PLL synthesizes core clocks from an external 12 MHz reference. Typical applications include industrial PDAs, portable medical instrumentation, smart metering terminals, GPS handhelds, industrial HMI panels, and legacy portable data collectors. Designers typically pair the MPU with an external SDRAM, NAND flash, and a power management companion such as the MC13783. When designing with the CVM15 grade, ensure the junction temperature remains within the -40C to +85C operating range and provide a minimum of four PCB layers with continuous power and ground planes under the BGA array for thermal dissipation and signal integrity. 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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MC9328MX1DVM20 - i.MX1 200MHz ARM920T MPU | NXP MAPBGA-256
MC9328MX1DVM20

MC9328MX1DVM20 - i.MX1 200MHz ARM920T MPU | NXP MAPBGA-256

The NXP (formerly Freescale) MC9328MX1DVM20 is an i.MX1 integrated portable system processor built on the ARM920T core, delivering a 32-bit RISC architecture at up to 200 MHz in a 256-ball MAPBGA package. The device integrates an ARM9TDMI core with 16 KB instruction cache, 32 KB instruction cache (per the i.MX family architecture), and a rich peripheral set including USB, LCD controller, and memory interface for portable and embedded multimedia designs. A microprocessor is an integrated circuit that contains the arithmetic logic unit, control unit, registers, and cache memory of a computer on a single silicon die, executing instructions fetched from external memory. Within the broader taxonomy, the MC9328MX1 sits in the microprocessor (MPU) category, which is distinct from microcontrollers (MCU) in that MPUs typically require external memory and are used in applications needing higher computational throughput and richer operating-system support (Linux, Windows CE). The i.MX1 family was NXP's first ARM9-based application processor line, targeting PDAs, smart phones, and portable media players of the early 2000s. Key features of the MC9328MX1DVM20 include the ARM920T core with MMU and Harvard cache architecture, integrated LCD controller supporting STN and TFT panels, USB 1.1 full-speed host and device ports, multimedia card (MMC) and Secure Digital (SD) interfaces, and a wide operating voltage range suitable for battery-powered designs. The MAPBGA-225/256 plastic package enables compact board layout for handheld form factors. Architecturally, the i.MX1 leverages the ARM920T's five-stage pipeline with separate 16 KB instruction and 16 KB data caches, plus a write buffer. An AMBA bus matrix connects the core to on-chip peripherals including the system controller, DMA, and external memory interface supporting SDRAM, NOR flash, and NAND flash, making the part suitable for running embedded operating systems. Typical applications for the MC9328MX1DVM20 include handheld data terminals, industrial HMI panels, portable medical devices, point-of-sale terminals, and legacy embedded Linux systems. Designers choose this part when they need proven ARM9 software support and a mature peripheral set, particularly in long-life-cycle industrial products where newer Cortex-A cores are not required. When designing with this part, pay close attention to power sequencing (core and I/O rails must be sequenced per the datasheet) and ensure the PCB footprint matches the 256-ball MAPBGA land pattern. Refer to the Freescale/NXP i.MX1 reference manual for memory interface timing and bootloader configuration. This page synthesizes distributor pricing, drop-in and same-family alternatives, application design notes, and pinout data not always collated on a single manufacturer page, providing a single reference for engineers evaluating or sourcing the MC9328MX1DVM20.

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MC9328MX1VH20 - i.MX1 ARM920T 200MHz MPU | NXP 256-BGA
MC9328MX1VH20

MC9328MX1VH20 - i.MX1 ARM920T 200MHz MPU | NXP 256-BGA

The NXP (formerly Freescale) MC9328MX1VH20 is an ARM920T-based i.MX1 integrated portable system processor delivering 200 MHz single-core 32-bit RISC performance in a 256-pin MAP-BGA (14x14 mm) package. It targets embedded portable applications requiring integrated multimedia and connectivity peripherals. An ARM920T processor is a 32-bit RISC CPU core combining an integer core, separate 16 KB instruction and 16 KB data caches, a Memory Management Unit (MMU) for virtual memory and protected operating systems, and an AMBA bus interface. The i.MX1 (MC9328MX1) is one of the first "application processors" built on the ARM9 family from Freescale/NXP, designed as a system-on-chip for handheld and portable devices. It belongs to the application processor > microprocessor > SoC > semiconductor hierarchy, and is part of the historically important Dragonball-lineage MX family that bridged early PDA devices into modern smartphone-era silicon. Key features include ARM920T core with MMU, hardware-based LCD controller supporting STN and TFT panels, USB 1.1 full-speed device and host interfaces, integrated memory and PCMCIA/CompactFlash controllers, I2C, SPI, UART, SSI/I2S audio interfaces, and PWM timers. The integrated peripherals removed the need for external companion chips, reducing BOM cost and board area in portable designs. The architecture combines a 200 MHz ARM920T core with an AHB system bus, peripheral bus bridge, DMA controller, and a rich set of on-chip peripherals clocked from a configurable PLL. Boot modes select from external 16-bit ROM/Flash or internal bootstrap ROM. The MMU enables full Linux and WinCE operating system support, a notable capability for 2003-era embedded silicon. Typical applications include portable media players, PDAs, industrial handhelds, early smart appliances, and embedded Linux prototypes. The integrated LCD controller makes it well-suited for graphical HMI panels, while USB host enables keyboard, mouse, and mass-storage connectivity. When designing with this part, plan the PCB stack-up for a 14x14 mm fine-pitch BGA with controlled-impedance traces to the external SDRAM bus. Decouple each power domain with bulk and high-frequency ceramic capacitors placed as close as possible to the balls, and provide a properly filtered 32.768 kHz clock for the real-time clock domain. This page synthesizes distributor availability, drop-in i.MX family alternatives, lifecycle signals and PCB design notes not aggregated in the manufacturer datasheet alone.

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MC9328MX1VM20 - i.MX1 ARM920T 200MHz MPU, 225-MAPBGA | NXP
MC9328MX1VM20

MC9328MX1VM20 - i.MX1 ARM920T 200MHz MPU, 225-MAPBGA | NXP

The NXP MC9328MX1VM20 is an ARM920T-based applications microprocessor from the i.MX1 family, delivering a 32-bit RISC core at up to 200 MHz in a 256-ball 225-MAPBGA (13x13 mm) package. It integrates an ARM920T core with separate 16 KB instruction and 16 KB data caches, an MMU, and a rich peripheral set including LCD controller, USB, PCMCIA, SSI/I2S audio, and an external memory controller for SDRAM, NOR flash, NAND flash, and PC Card. The 'VM20' suffix denotes the 1.8 V core / 1.8 V I/O commercial-grade variant commonly used in portable handheld devices. An ARM920T microprocessor is a 32-bit RISC processor core that combines the ARM9TDMI integer core with separate instruction and data caches plus a memory management unit, and it represents an early generation of system-on-chip applications processors for portable and embedded devices. Positioned in the broader i.MX family hierarchy (i.MX1 -> i.MX applications processors -> ARM9-class MPUs -> embedded microprocessors), the MC9328MX1 enabled early PDAs, smart-handheld terminals, industrial HMI panels, and web-pad products in the early 2000s. Key features include 200 MHz ARM920T core, on-chip 16 KB/16 KB I/D caches, integrated LCD controller up to VGA resolution, USB 1.1 full-speed/device on-chip transceiver, PCMCIA/PC Card support, SSI/I2S interface, and an external memory interface that supports SDRAM, SRAM, NOR and NAND flash in a 13x13 mm MAPBGA. The device targets portable, low-power embedded designs and is paired with external SDRAM and boot flash in typical reference designs. From an architecture standpoint, the ARM920T uses a Harvard arrangement with separate 16 KB instruction and 16 KB data caches backed by a write buffer, and the i.MX1 wraps that core with the system-bus fabric, SDRAM controller, peripheral bridges, and timing-specific I/O pads necessary for handheld products. The 'M20' speed grade denotes the 200 MHz operation point over a 1.65-1.95 V core range. Typical applications include PDA-style handheld terminals, industrial HMI panels, web pads, point-of-sale terminals, and portable medical instruments. The integrated LCD and USB peripherals make it well matched to products that need a display, mass storage, and a keyboard/touch interface without an external bridge IC. When designing with this device, observe the recommended SDRAM trace-length matching, place the bypass capacitors as close as possible to each power pin pair, and use the boot-mode strapping resistors to select the desired boot source. The device is no longer recommended for new designs (NRND/EOL), so long-life or new-product designs should review newer i.MX parts. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone, including parametric snapshots and selection guidance engineers need when extending the lifecycle of legacy i.MX1 designs.

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MC9328MX21CJM - i.MX21 ARM926EJ-S MPU 266MHz 289-PBGA | NXP
MC9328MX21CJM

MC9328MX21CJM - i.MX21 ARM926EJ-S MPU 266MHz 289-PBGA | NXP

The NXP MC9328MX21CJM is an i.MX21 applications processor based on the ARM926EJ-S core, operating at speeds up to 266 MHz, packaged in a 289-ball Plastic Ball Grid Array (PBGA) measuring 17x17 mm. As a member of NXP's Smart Speed product family, the i.MX21 integrates a 32-bit RISC core with separate 16 KB instruction and 16 KB data caches, delivering high-performance processing optimized for lowest power consumption in portable and embedded applications. What is an applications processor? An applications processor is a system-on-chip (SoC) class microprocessor designed to run rich operating systems and complex application workloads, as opposed to a microcontroller that typically runs bare-metal or simple RTOS code. The i.MX21 sits within the NXP i.MX hierarchy: applications processor -> ARM9-based MPU -> Smart Speed family. It is widely deployed in early smartphones, PDAs, portable media players, and industrial HMI terminals where moderate MIPS, integrated peripherals, and Linux/Windows CE support are required. Key features include MPEG-4 and H.263 hardware encode/decode acceleration up to CIF resolution at 30 fps, a 16/18-bit color LCD controller capable of driving SVGA panels, and USB On-The-Go with two-host-port support for direct device-to-device connectivity. The device integrates a CMOS sensor interface for camera applications, a 1-Wire interface for peripheral identification, and a synchronous serial audio interface. The on-chip video accelerator module offloads codec work from the ARM core, freeing CPU cycles for application logic. The MC9328MX21CJM utilizes a 0.13 um CMOS process and pairs the ARM926EJ-S core with a Memory Management Unit (MMU) supporting Windows CE, Linux, and other mainstream embedded operating systems. The Smart Speed power-management architecture provides dynamic voltage and frequency scaling, allowing the core to drop to lower clock rates during idle periods to conserve battery life in handheld designs. Typical applications include portable media players with video playback, smart-mobile handsets of the early-2000s generation, automotive telematics and infotainment head units, industrial HMI panels with TFT LCD displays, and point-of-sale terminals requiring camera and USB-host connectivity. The integrated peripherals enable single-chip BOM designs that previously required discrete controllers. When designing with this part, allocate generous PCB area for the 289-ball PBGA escape routing and provide at least four PCB layers with dedicated power and ground planes. The 1.5 V core supply requires a low-impedance decoupling network; use 100 nF X7R ceramic capacitors within 5 mm of every supply pin pair to suppress switching transients during MPEG-4 decode bursts. This page synthesizes distributor pricing, drop-in alternatives, and design considerations across the i.MX21 family and contemporary ARM926 parts not always covered in the manufacturer datasheet.

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MC9328MX21CVK - i.MX21 ARM926EJ-S MPU 266MHz | NXP
MC9328MX21CVK

MC9328MX21CVK - i.MX21 ARM926EJ-S MPU 266MHz | NXP

The NXP MC9328MX21CVK is an applications processor from the i.MX21 family featuring an ARM926EJ-S core operating at speeds up to 266 MHz, packaged in a 289-ball LFBGA (14x14 mm). It belongs to NXP's Smart Speed product line optimized for the lowest power consumption while delivering high-performance processing, and integrates on-chip peripherals including a video accelerator, LCD controller, USB On-The-Go, 1-Wire interface, CMOS sensor interface, and multiple synchronous serial interfaces. An applications processor (AP) is a System-on-Chip variant of a microprocessor that integrates peripherals and accelerators oriented toward a target end-application rather than general-purpose computing. Applications processors sit at the hierarchy of microprocessor -> embedded MPU -> applications processor -> SoC, and they typically pair a high-performance CPU core with image, display, connectivity, and multimedia peripherals. Key features include the ARM926EJ-S 32-bit RISC core with a 16KB instruction cache, 16KB data cache, and tightly-coupled memory for deterministic interrupt latency. Memory is supported externally through SDRAM, NOR flash, NAND flash, and PCMCIA/CF interfaces. The integrated LCD controller supports TFT panels up to SVGA resolution, the CMOS sensor interface connects directly to image sensors, and USB On-The-Go allows the device to act as either host or peripheral. An on-chip video accelerator offloads MPEG-4/H.263 encoding/decoding, and a hardware security module provides a secure boot flow. Technical depth: the ARM926EJ-S core is a five-stage pipeline Harvard architecture with MMU support for full Linux and Windows CE. Power management integrates dynamic voltage and frequency scaling with multiple low-power modes (Run, Wait, Doze, Stop, Standby). Operating voltage is typically 1.5V core / 1.8V/2.8V/3.3V I/O. Industrial-grade operating range is -40C to +85C. Typical applications include portable media players, point-of-sale terminals, industrial human-machine interfaces, single-board computers, GPS personal navigation devices, and biometric/medical data terminals. The combination of LCD controller, CMOS sensor interface, and USB OTG allows system designers to build self-contained units without external companion chips. When designing with this device, allocate generous decoupling on all supply rails and respect the 289-ball BGA keep-out regions in PCB layout. Consider the latest i.MX28 or i.MX6 parts for new designs, since the i.MX21 family has been declared End-of-Life. This page consolidates distributor pricing, drop-in alternatives, lifecycle notes and PCB design guidance not all available on the manufacturer product page.

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MC9328MX21CVM - i.MX21 ARM926EJ-S MPU 266MHz | NXP
MC9328MX21CVM

MC9328MX21CVM - i.MX21 ARM926EJ-S MPU 266MHz | NXP

The NXP (formerly Freescale) MC9328MX21CVM is an i.MX21 applications processor based on the ARM926EJ-S core, delivered in a 289-pin MAPBGA (17x17) package with operating speeds up to 266 MHz. The device integrates 16 KB of instruction cache and 16 KB of data cache, plus an LCD controller supporting 16/18-bit color at SVGA resolutions, USB On-The-Go with two host ports, MPEG-4/H.263 hardware encode/decode acceleration up to CIF at 30 fps, and a CMOS sensor interface. An applications processor is a system-on-chip (SoC) category tailored for multimedia and human-machine interface (HMI) workloads. Within NXP's i.MX family, the i.MX21 sits in the Smart Speed generation that pairs a power-efficient ARM926EJ-S core with dedicated video, USB, and display peripherals, occupying the middle of the i.MX2 lineage between the i.MX1 and the later i.MX27. It functions as a complete media extension (MX) subsystem in the broader ARM926EJ-S microprocessor hierarchy. Key features include the Smart Speed Switch power-management fabric, dual USB host ports (OTG), on-chip MPEG-4 and H.263 codec acceleration targeting handheld video, a 16/18-bit LCD controller capable of driving SVGA panels, and a 1-Wire interface alongside a synchronous serial block. The processor presents up to 192 general-purpose I/Os and targets portable, battery-powered designs. The architecture pairs an ARM926EJ-S core with an MMU and separate I/D caches, AMBA bus fabric, and a video accelerator pipeline. The Smart Speed Switch allows individual peripheral clocks to be gated at runtime, and the integrated codec engine offloads MPEG-4/H.263 from the host CPU, leaving the ARM core free for application and OS tasks. Typical applications include portable media players, PDAs and smart handhelds, video-capable two-way radios, web pads, and industrial HMI panels. Wide operating voltage support from approximately 1.7V core to 3.3V I/O also makes it useful in 24V-tolerant industrial front-ends with proper regulation. When designing with the MC9328MX21CVM, careful PCB layout of the 289-ball MAPBGA is essential: matched-length DDR traces, solid ground-reference power planes, and proper decoupling (typically 100 nF ceramic per power pin) are required to meet USB and LCD timing margins. This page synthesizes distributor pricing for the MC9328MX21CVM, drop-in package-compatible i.MX family alternatives, and practical design notes not consolidated in the original NXP data sheet.

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MC9328MX21DVK - i.MX21 ARM926 266MHz MPU, 289-LFBGA | NXP
MC9328MX21DVK

MC9328MX21DVK - i.MX21 ARM926 266MHz MPU, 289-LFBGA | NXP

The NXP MC9328MX21DVK is an i.MX21 multimedia applications processor based on the ARM926EJ-S core, running at speeds up to 266 MHz, housed in a 289-ball LFBGA (14x14 mm) package. It integrates a video accelerator module, LCD controller, USB On-The-Go, 1-Wire interface, CMOS sensor interface, and synchronous serial interfaces, delivering high-performance processing optimized for low-power portable handheld designs. An applications processor is a system-on-chip designed to run an operating system and execute complex multimedia workloads, typically targeting portable and embedded devices. It sits hierarchically below general-purpose microcontrollers and above fixed-function DSPs, bridging raw sensor input and human-facing UI rendering. The i.MX21 is part of NXP's Smart Speed family, which scales ARM9 performance against measured workload demand to minimize active current. Key features of the MC9328MX21DVK include the ARM926EJ-S core with 16 KB instruction cache and 16 KB data cache, an MMU supporting standard operating systems, a peripheral pixel pipeline supporting LCD panels up to SVGA resolution, and a multimedia accelerator for MPEG-4 and H.263 codec acceleration. It supports LPDDR, SDR, and mobile DDR external memory interfaces, plus NAND Flash and CompactFlash boot options. The architecture pairs the ARM926EJ-S core with an AHB peripheral bus and an IPS peripheral bus, enabling concurrent DMA-driven I/O while the CPU executes application code. The Smart Speed energy-management module dynamically scales the core voltage and clock based on workload, allowing the part to enter deep-stop modes during idle periods while preserving register and RAM state for fast wakeup. Typical applications include portable handheld terminals, industrial HMI panels, single-board computers with LCD output, automotive telematics and infotainment head units, and point-of-sale terminals. The on-chip CMOS sensor interface makes it well-suited to barcode-scanning handhelds and digital still cameras, while the USB On-The-Go controller enables direct device-to-device file transfer without a host PC. When designing with this part, designers should route the DDR memory bus with matched 50-ohm traces and place decoupling capacitors adjacent to every power pin to meet the 266 MHz timing budget. Boot configuration strapping must be correctly pulled at reset to select the desired boot source, and unused inputs must be tied to a defined logic level. This page synthesizes end-of-life status, distributor pricing, drop-in alternatives within the i.MX family, and PCB design notes not consolidated in the manufacturer datasheet.

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MC9328MX21DVMR2 - i.MX21 ARM9 MPU 266MHz | NXP | 289-PBGA
MC9328MX21DVMR2

MC9328MX21DVMR2 - i.MX21 ARM9 MPU 266MHz | NXP | 289-PBGA

The NXP Semiconductors MC9328MX21DVMR2 is an i.MX21 applications processor built around the ARM926EJ-S core, delivering up to 266 MHz of processing speed in a 289-pin MAPBGA (17x17 mm) package. It integrates a video accelerator module, LCD controller, USB On-The-Go, 1-Wire interface, CMOS sensor interface, and synchronous serial interfaces, targeting handheld and portable multimedia applications. An applications processor is a system-on-chip that combines a CPU core with specialized peripherals such as display controllers, image pipelines, and connectivity interfaces. It sits between a microcontroller and an application processor in the system hierarchy, sitting above the microcontroller (MCU) and below application-specific integrated circuits (ASIC). The i.MX21 belongs to the Freescale/NXP Smart Speed family, engineered to balance high performance with low power consumption for battery-powered designs. Key features include ARM926EJ-S core with 16 KB instruction cache and 16 KB data cache, a Multi-Master SDMA engine, an LCD controller supporting up to 800x600 resolution, and a CMOS sensor interface for camera input. The device operates from a 1.8V core and 3.0V I/O supply, with power-management modes including doze and stop for extended battery life. Typical applications include smart mobile phones, PDAs, portable media players, GPS handhelds, industrial handheld terminals, and medical patient-monitoring devices. The integrated video accelerator enables MPEG-4 and H.263 codec decode at low CPU load. When designing with this part, allocate a 4-layer PCB stack-up to route the 289-ball BGA at 1.0 mm pitch; keep analog and digital grounds separated and joined only at a single point near the IC. Verify JTAG boundary-scan access early in the bring-up cycle. This page consolidates distributor pricing, parametric comparison, and design notes that complement the manufacturer datasheet for faster board bring-up and sourcing decisions.

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MC9328MX21SCVK - i.MX21 ARM926EJ-S MPU 266MHz 289-MAPBGA | NXP
MC9328MX21SCVK

MC9328MX21SCVK - i.MX21 ARM926EJ-S MPU 266MHz 289-MAPBGA | NXP

The NXP MC9328MX21SCVK is an i.MX21 applications processor built around an ARM926EJ-S core running at 266 MHz, housed in a 289-ball MAPBGA (14x14 mm) package. It integrates a 32-bit RISC CPU with on-chip peripherals targeting cost-sensitive, low-power embedded applications such as PDAs, industrial HMI, and portable media. The i.MX21 is a member of the i.MX family of multimedia application processors derived from the ARM9 core family. An applications processor is a system-on-chip designed to run a full operating system (typically Linux or WinCE) and handle complex multimedia, GUI, and connectivity tasks, as opposed to a microcontroller which typically runs bare-metal firmware. Within the broader taxonomy, the i.MX21 sits as an applications processor -> SoC -> integrated circuit. ARM926EJ-S is the specific ARM9-family core that integrates a 32-bit RISC CPU, MMU, DSP extensions, and JTAG debug. The i.MX21 family succeeded the i.MX1 and was later followed by the i.MX27, i.MX31, and the modern i.MX RT and i.MX 8/9 series. Key features include an ARM926EJ-S core with 16KB instruction and 16KB data caches, a 266 MHz system bus, an LCD controller supporting up to SVGA resolution, a CMOS sensor interface, USB 2.0 full-speed, and a 192-pin GPIO count. The device integrates SDRAM, NAND flash, and PCMCIA/CompactFlash controllers. It uses an external oscillator and is specified for an extended industrial temperature range suitable for harsh-environment deployments. The MC9328MX21SCVK uses a 0.18 µm CMOS process with an ARM9TDMI-compatible core. Its memory subsystem supports SDRAM, Mobile SDRAM, and NAND flash through dedicated controllers. Multimedia accelerators include an image pre-processor and a CMOS sensor interface that offloads camera capture tasks from the CPU, freeing the core for application logic and OS scheduling. Typical applications include handheld PDAs and barcode scanners, industrial human-machine interfaces, point-of-sale terminals, portable media players, GPS personal navigation devices, and wireless VoIP clients. The combination of LCD controller, USB, and SDRAM/NAND support makes the i.MX21 well-suited to graphical Linux/WinCE terminals. Designers should observe the BGA routing complexity when laying out this part - the 289-ball MAPBGA requires microvia technology and tight escape routing. Power sequencing for the core and I/O rails should follow the i.MX21 reference manual to avoid latch-up at start-up. Decoupling follows the manufacturer reference design with bulk and 100nF pairs near each power ball. This page synthesizes distributor pricing, datasheet references, and a comparison against the modern i.MX28 and i.MX RT alternatives not present in any single distributor listing. Unlike the original 88-page NXP datasheet, this content provides structured SEO metadata, parametric drop-in guidance, and engineering-grade design notes for sourcing decisions.

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