MC68332AMEH16 - 16MHz 32-Bit ROMless MCU | NXP | Industrial
Teilenummer: MC68332AMEH16 ✗ Abgekündigt| Menge | Stückpreis | Gesamt |
|---|---|---|
| 1 | $15.4514 | $15,45 |
| 10 | $15.4514 | $154,51 |
| 100 | $15.4514 | $1.545,14 |
| 500 | $15.4514 | $7.725,70 |
| 1.000 | $15.4514 | $15.451,40 |
MC68332AMEH16 Übersicht
A microcontroller is a programmable semiconductor that combines a processor core, memory interfaces, communication peripherals, timers, and system-control functions on one integrated circuit. The MC68332 belongs to the CPU32-based MC683xx family and uses modular subsystems connected through an intermodule bus. This architecture makes it a 32-bit embedded controller for legacy industrial, automotive, communications, and real-time control systems rather than a general-purpose application processor.
The supplied manufacturer and distributor data confirms a 16 MHz operating frequency, ROMless configuration, 2 KB RAM, TPU, QSM, 32-bit CPU, 132-pin PQFP package, square gull-wing terminal form, surface mounting, and automotive temperature grade. NXP describes a highly integrated design with a CPU32 core, System Integration Module, Time Processing Unit, Queued Serial Module, and other peripheral subsystems. Detailed electrical limits, flash requirements, voltage range, timer architecture, and communication modes remain datasheet-dependent.
Because the MCU is ROMless, executable software must be supplied through external program memory or another system-specific boot arrangement; the 2 KB internal RAM is suitable for limited working storage. The 16 MHz clock and modular peripheral set support deterministic embedded control, while the 132-pin package exposes substantially more I/O than small mixed-signal MCUs. Existing hardware should be checked against the exact NXP datasheet before layout reuse or firmware migration.
Typical application directions include legacy automotive modules, industrial controllers, communications equipment, and real-time embedded systems that require the CPU32 architecture and established MC68332 software support. New designs should confirm toolchain availability, external-memory requirements, electrical characteristics, lifecycle status, and any documented end-of-life or shipping-discontinuance notices before committing to a production release.
The most important design consideration is lifecycle risk: the verified NXP result explicitly labels this part as End of Life. For new production, engineers should evaluate an NXP-recommended migration family and confirm software, timing, package, pin, and peripheral compatibility rather than assuming that a nominally similar microcontroller is drop-in replaceable. This page consolidates distributor availability, package data, lifecycle information, and replacement guidance without inventing missing electrical specifications.
Drop-in-Alternativen für MC68332AMEH16 – gleiches Gehäuse, Pin-kompatibel. Bauteile mit anderem Gehäuse, die eine PCB-Überarbeitung erfordern, sind ausgeschlossen.
Varianten dieser Serie
Modelle derselben Serie, die drop-in-kompatibel sind mit MC68332AMEH16 (gleiche Bauform und Footprint) – abweichend in Package, Mounting Type, Lifecycle Status, Program Memory Type, RAM Size.
Schnellvergleichstool – Wählen Sie Alternativbauteile für den Direktvergleich:
MC68332ACEH16
✅ Drop-In✓ Auf Lager
$40.34 / Stück
Datenblatt ansehen →MC68332GCAG25
✅ Drop-In✓ Auf Lager
$7.1 / Stück
Datenblatt ansehen →MC68332GCEH16
✅ Drop-In✓ Auf Lager
$38.75 / Stück
Datenblatt ansehen →MC68332ACEH20
✅ Drop-In📋 Referenzalternative (nicht im Katalog)
MC68LK332ACAG16
✅ Drop-In✓ Auf Lager
$19.75 / Stück
Datenblatt ansehen →MC68332AMEH16 Grenzwerte & elektrische Eigenschaften
| Product Type | 32-bit microcontroller |
| Processor Core | CPU32 |
| Operating Frequency | 16 MHz |
| Program Memory | ROMless |
| Internal RAM | 2 KB |
| Architecture | MC683xx ColdFire family |
| Peripheral Modules | TPU and QSM |
| System Module | SIM |
| Bus Architecture | Intermodule bus |
| Gehäuse | 132-pin PQFP |
| Package Code | BQFP |
| Package Body Size | 24.13 mm x 24.13 mm |
| Terminal Form | Gull wing |
| Montageart | Surface mount |
| Temperature Grade | Automotive |
| Core Count | 1 |
MC68332AMEH16 24.13 mm x 24.13 mm Pinbelegungsleitfaden
Pinbelegung für MC68332AMEH16 (24.13 mm x 24.13 mm-Gehäuse). Dieser digitale IC umfasst GPIO, Kommunikationsschnittstellen (UART, SPI, I2C) und Versorgungspins. Alternative Pin-Funktionen und Konfigurationsoptionen entnehmen Sie dem Herstellerdatenblatt. Unverzichtbar für Embedded-System-Design und PCB-Layout.
Keine detaillierten Pinbelegungsdaten verfügbar für MC68332AMEH16.
Siehe die Datenblatt für die vollständige Pin-Konfiguration.
Typische Anwendungen
MC68332AMEH16 ist geeignet für 6 Anwendungs: Legacy Automotive Embedded Control, Industrial Timing Controller, Real-Time Serial Communications, Legacy Motor and Actuator Control, Instrumentation and Measurement Front End, Legacy Communication and Control Module.
Legacy Automotive Embedded Control
The MC68332AMEH16 fits an existing automotive embedded-control design that already uses the CPU32 architecture and can source an automotive-temperature-grade ordering code. Its 16 MHz CPU32 core, 2 KB RAM, TPU, QSM, and 132-pin PQFP package provide a platform for timing and serial functions in a mature system. Because the device is ROMless, firmware and program memory remain part of the architecture decision. The key limitation is lifecycle: NXP marks the part End of Life, so production designs should qualify remaining inventory and evaluate a supported migration platform.
Empfohlen
Industrial Timing Controller
The TPU and 16 MHz CPU32 core make the MC68332AMEH16 relevant to legacy industrial timing systems where deterministic peripheral operation and an established MC68332 software base are more important than a modern low-cost MCU. The 132-pin PQFP exposes a broad set of external signals for actuators, sensors, and control logic. Its 2 KB internal RAM is limited, so external memory and careful memory planning are important. Engineers should preserve the original clock, timing, and bus assumptions and verify the exact NXP datasheet before adapting the controller to a new board.
Empfohlen
Real-Time Serial Communications
The QSM and CPU32 architecture suit established communications equipment requiring serial I/O alongside real-time control. A 16 MHz processor provides the timing basis for legacy protocol stacks, while the 132-pin package leaves many pins available for external transceivers, buffers, status signals, and memory. The design must account for the ROMless configuration and 2 KB RAM, which may require external program storage and disciplined data placement. Because the target is End of Life, use it primarily for continuity of an existing platform and migrate to a supported MCU when the communication equipment enters a redesign cycle.
Empfohlen
Legacy Motor and Actuator Control
The MC68332AMEH16 can serve in a legacy motor or actuator controller where the TPU provides specialized timing functions and the CPU32 handles supervisory logic. Its 16 MHz operating point and extensive 132-pin connectivity are useful in systems that already use the MC68332 module set, while the automotive temperature grade may fit some vehicle-related environments. The ROMless architecture requires external program storage, and the 2 KB RAM limits buffering. Engineers should preserve the original power, timing, and interrupt behavior, then validate any newer substitute against motor-drive safety and environmental requirements.
Empfohlen
Instrumentation and Measurement Front End
For an established instrumentation product, the CPU32 core, QSM, TPU, and extensive package I/O can support sensing, acquisition sequencing, and external interface control. The 16 MHz frequency is appropriate for legacy control rather than modern high-bandwidth processing, so the design should avoid treating the MCU as a signal-processing accelerator. The 2 KB internal RAM and ROMless construction make external memory and deterministic interrupt design central to the architecture. Since MC68332AMEH16 is End of Life, it is best considered for maintaining installed equipment or supporting an existing firmware base, not for a new high-volume platform.
Empfohlen
Legacy Communication and Control Module
The MC68332AMEH16 is appropriate for a legacy communication-and-control module that has already standardized on the MC68332 CPU32 ecosystem. Its modular peripherals, 16 MHz operation, 2 KB RAM, and 132-pin PQFP interface support a broad embedded-control design, while the QSM can simplify integration with serial communications hardware. The ROMless configuration means the system architect must provide program storage and validate the memory interface. NXP’s End of Life designation makes long-term sourcing the dominant concern; retain documented firmware, package drawings, and traceability for maintenance stock while planning a controlled redesign.
Empfohlen
Zusammenfassung der empfohlenen Produkte
Technische Referenzdaten für MC68332AMEH16 – Vergleich, Designhinweise und Compliance-Informationen.
Auswahlhilfe
For a new product, choose a currently supported MCU unless the application specifically requires MC68332 software compatibility. MC68332ACEH16, MC68332GCAG25, MC68332GCEH16, and MC68332ACEH20 appear in related family comparisons, but the supplied data does not verify complete electrical, pin, memory, temperature, or firmware equivalence. Treat them as engineering candidates only until their official datasheets and migration guidance prove compatibility. In particular, the 16 MHz target versus the 25 MHz ordering code indicates why a nominal family match is not sufficient.
Vergleich mit Alternativen
| Parameter | Dieses Produkt | MC68332ACEH16 | MC68332GCAG25 | MC68332GCEH16 | MC68332ACEH20 |
|---|---|---|---|---|---|
| Package | 132-pin PQFP | 132-pin PQFP | 132-pin PQFP | 132-pin PQFP | 132-pin PQFP |
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
Wichtigste Unterscheidungsmerkmale
- Established CPU32 architecture with TPU and QSM peripherals (vs. MC68332ACEH16)
- 16 MHz verified operating point (vs. MC68332GCAG25)
- Confirmed 132-pin PQFP format for the target (vs. MC68332ACEH16)
- ROMless architecture with 2 KB RAM (vs. MC68332GCAG25)
Designhinweise
Do not treat a related MC68332 ordering code as interchangeable merely because the family name and package search results look similar. MC68332GCAG25 is shown with a 25 MHz ordering code, while the target is verified at 16 MHz. Before replacing MC68332AMEH16, compare the complete NXP pinout, clock limits, memory interface, temperature grade, peripheral configuration, and package drawing. This is especially important because the target is marked End of Life and a substitution can change firmware timing as well as board behavior.
The target uses a 132-pin PQFP package, so the PCB must provide the correct 24.13 mm by 24.13 mm gull-wing land pattern and adequate routing channels. Reserve the external program-memory connections required by the ROMless architecture, isolate sensitive clock and serial signals, and place decoupling close to the relevant supply pins using the NXP recommended values. The supplied data does not include the pin table, so no pin-level net assignment should be made without the official datasheet and package drawing.
The supplied web data does not specify the MC68332AMEH16 input-voltage range, absolute maximum ratings, or external-memory voltage requirements. Confirm those values before designing the power tree, regulators, I/O level shifters, and memory interface. Because the part is ROMless and uses a broad 132-pin package, power and ground distribution should be planned together with external memory routing. Treat all voltage values as [DATA_NEEDED] until confirmed from the NXP datasheet.
The distributor data identifies the device as automotive temperature grade but does not provide the exact junction or ambient temperature limits, power dissipation, or package thermal resistance. Do not infer thermal performance from the word automotive or from the package size. Use the manufacturer’s maximum ratings and application guidance, calculate worst-case dissipation with the actual clock and I/O load, and verify that the PCB copper and enclosure can maintain the required junction margin.
The 2 KB RAM and ROMless configuration can be easy to overlook during migration planning. Existing code that depends on internal memory placement, boot behavior, or external-memory timing may not transfer directly to another MC68332 ordering code. Preserve the original linker map, startup code, interrupt vector assumptions, and clock configuration, then execute hardware-in-the-loop tests. For new products, prefer a currently supported MCU platform rather than extending dependence on an End of Life component.
Compliance-Informationen
The supplied data identifies an automotive temperature grade but does not provide RoHS, REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals declarations. Automotive temperature grade does not by itself establish AEC-Q100 qualification.
