MC9S08AC128MFUE - 40MHz 128KB Flash MCU | NXP | Automotive
Référence : MC9S08AC128MFUE ✓ Actif| Qté | Prix unitaire | Total |
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| 1 | $0 | $0,00 |
| 10 | $0 | $0,00 |
| 100 | $0 | $0,00 |
| 500 | $0 | $0,00 |
| 1 000 | $0 | $0,00 |
MC9S08AC128MFUE Présentation
A microcontroller is a programmable semiconductor that integrates a CPU, memory, peripherals, and I/O into one device. In the embedded-system hierarchy, this MCU belongs to the 8-bit microcontroller class, combines an HCS08 core with on-chip flash and RAM, and provides the control logic needed for sensors, actuators, communication interfaces, and safety-related automotive functions. Unlike a discrete processor design, an MCU consolidates the essential control elements into a compact surface-mount package.
Key verified features include 128 KB of flash, 4 KB of RAM, a 40 MHz CPU clock, 38 I/O ports, and a 2.7 V to 5.5 V supply range. Flash supports nonvolatile program storage, while RAM provides working memory for firmware execution and data handling. The 40 MHz CPU clock supports faster control-loop execution than lower-clock 8-bit MCUs, while the 38 I/O ports provide substantial parallel connectivity for automotive peripherals. The package is reported as 64-QFP, with a 14 mm by 14 mm outline in one distributor listing.
The device uses the HCS08 8-bit CPU architecture and is positioned for automotive embedded applications. The verified data confirms a 20 MHz internal bus frequency, which is distinct from the 40 MHz CPU specification. The 64-QFP gull-wing package is intended for surface mounting and provides external access to the device's I/O and supply pins. Exact peripheral assignments, electrical limits, timing characteristics, and temperature limits should be confirmed from the manufacturer data sheet before schematic capture.
Typical uses include body and comfort-control modules, sensor aggregation units, actuator controllers, automotive interface modules, and compact electronic control units where an 8-bit architecture, flash memory, RAM, and integrated analog resources are sufficient. The MCU is also suitable for prototypes and production automotive-control boards that require a dedicated S08-compatible software and hardware platform.
Designers should verify the exact 64-QFP pin assignment, power decoupling, clock configuration, reset behavior, programming interface, and required external passives against the manufacturer data sheet. This page combines verified distributor specifications, lifecycle information, datasheet links, and application guidance without inventing unavailable electrical details.
The product information gain comes from separating verified device facts from unresolved parameters and connecting the MCU's memory, clock, package, and automotive positioning to practical embedded-system decisions.
Alternatives de remplacement direct pour MC9S08AC128MFUE — même boîtier, compatible broche à broche. Les références à boîtier différent nécessitant une retouche du PCB sont exclues.
Variantes de cette série
Modèles de la même série directement compatibles avec MC9S08AC128MFUE (même facteur de forme et même empreinte) — différant par Package, ADC, RoHS Status, RAM, Debug Interface.
Outil de comparaison rapide — sélectionnez des références alternatives pour une comparaison côte à côte :
MC9S08AC32CFGE
✅ Remplacement direct✓ En stock
Contactez-nous pour le prix
Voir la fiche technique →MC9S08AC16MBE
✅ Remplacement direct✓ En stock
$4.9 / unité
Voir la fiche technique →MC9S08AC16CFGE
✅ Remplacement direct✓ En stock
$2.6 / unité
Voir la fiche technique →MC9S08AC60CFUE
✅ Remplacement direct✓ En stock
$4.05 / unité
Voir la fiche technique →MC9S08AC60CPUE
✅ Remplacement direct✓ En stock
Contactez-nous pour le prix
Voir la fiche technique →MC9S08SH8MTG
✅ Remplacement direct✓ En stock
$1.55 / unité
Voir la fiche technique →MC9S08AC96MLKE
✅ Remplacement direct✓ En stock
Contactez-nous pour le prix
Voir la fiche technique →MC9S08AW32CFUE
✅ Remplacement direct✓ En stock
$7.18 / unité
Voir la fiche technique →MC9S08AC128MFUE Valeurs maximales et caractéristiques électriques
| Product Type | 8-bit automotive microcontroller |
| CPU Architecture | HCS08 8-bit CPU |
| Maximum CPU Clock | 40 MHz |
| Internal Bus Frequency | 20 MHz |
| Flash Memory | 128 KB |
| RAM | 4 KB |
| Tension d'alimentation | 2.7 V to 5.5 V |
| I/O Ports | 38 ports |
| Boîtier | 64-QFP, 14 mm x 14 mm |
| Package Type | QFP gull-wing surface-mount package |
| Temperature Grade | Automotive |
| Statut du cycle de vie | Active |
| Program Memory Type | Flash |
| Integrated Analog | Integrated analog resources |
| Statut RoHS | Compliant |
| Manufacturer | NXP Semiconductors |
| Series | S08AC |
Guide de configuration des broches du MC9S08AC128MFUE qfp gull-wing surface-mount package
Configuration des broches du MC9S08AC128MFUE (boîtier qfp gull-wing surface-mount package). Ce circuit intégré numérique comprend des GPIO, des interfaces de communication (UART, SPI, I2C) et des broches d'alimentation. Consultez la fiche technique du fabricant pour les fonctions alternatives des broches et les options de configuration. Indispensable pour la conception de systèmes embarqués et la conception de circuits imprimés.
Aucune donnée de brochage détaillée disponible pour MC9S08AC128MFUE.
Consultez la fiche technique pour la configuration complète des broches.
Applications typiques
MC9S08AC128MFUE convient pour 6 applications: Automotive Body Control Module, Vehicle Sensor Aggregation, Automotive Actuator Controller, Automotive Interface Module, Compact Electronic Control Unit, Prototype and Legacy S08 Firmware Platform.
Automotive Body Control Module
The MC9S08AC128MFUE fits an automotive body-control module that coordinates switches, lamps, door inputs, and small actuator outputs. Its verified 40 MHz HCS08 CPU provides control-loop capability, while 128 KB flash stores application firmware and 4 KB RAM supports working state. The 38 I/O ports provide substantial parallel connectivity for distributed vehicle functions. The 64-QFP package supports conventional surface-mount assembly, while the 2.7 V to 5.5 V supply range fits compatible automotive power architectures after regulation. Exact peripheral mapping, electrical limits, and qualification requirements must be checked in the NXP data sheet.
Recommandé
Vehicle Sensor Aggregation
For vehicle sensor aggregation, the MC9S08AC128MFUE can receive multiple digital or conditioned analog inputs and execute filtering, debouncing, diagnostics, and state-machine functions. Its verified 38 I/O ports provide a broad interface budget, while integrated analog resources make it relevant to sensing-control functions described by NXP. The 40 MHz CPU clock supports responsive firmware execution without requiring a higher-bit-width architecture. The 128 KB flash and 4 KB RAM provide separate program and working-memory resources. Designers should verify which I/O pins support ADC, timer, interrupt, and communication functions in the exact package variant.
Recommandé
Automotive Actuator Controller
The MC9S08AC128MFUE can serve as the central controller for small automotive actuators such as motors, solenoids, relays, valves, and latching mechanisms when suitable external drivers are used. The HCS08 CPU executes state-machine and timing logic at up to 40 MHz, while the 38 I/O ports allow parallel command, feedback, and diagnostic connections. The MCU does not directly replace power-stage transistors or high-current protection circuitry; those components must be selected separately. Its 2.7 V to 5.5 V supply range and 64-QFP package support structured embedded-control designs, subject to the complete electrical data-sheet limits.
Recommandé
Automotive Interface Module
The MC9S08AC128MFUE is appropriate for an interface module that translates between vehicle switches, sensors, and a higher-level embedded controller. Its 128 KB flash can hold protocol and application routines, while 4 KB RAM supports buffering and state management. The 38 I/O ports provide multiple signal lanes for input conditioning, status reporting, and actuator command. A 64-QFP package allows external routing to transceivers, protection devices, and power-management components. Before layout, confirm pin multiplexing, timing, interrupt behavior, and electrical limits from the manufacturer documentation rather than relying only on package dimensions.
Recommandé
Compact Electronic Control Unit
The MC9S08AC128MFUE can be used in a compact electronic control unit where an 8-bit MCU, moderate flash, RAM, and automotive positioning are sufficient. The 40 MHz HCS08 CPU supports control algorithms and diagnostic routines, while 128 KB flash provides room for application code and configuration data. Its 64-QFP package offers a conventional gull-wing footprint and broad external connectivity, while the 38 I/O ports support sensors, switches, and drivers. The device is best suited to modules whose requirements are already aligned with the S08AC family; changing architecture, memory, or pin mapping may require firmware and PCB changes.
Recommandé
Prototype and Legacy S08 Firmware Platform
The MC9S08AC128MFUE can support prototypes, maintenance projects, and legacy-compatible S08 firmware development where the existing design expects an HCS08 8-bit MCU with automotive positioning. The 40 MHz CPU clock, 128 KB flash, and 4 KB RAM provide a defined resource baseline for reproducing control behavior and adding peripheral logic. The active lifecycle status is useful for maintenance planning, but it does not guarantee long-term availability. Teams should preserve the original package and pin definitions, confirm programming-tool compatibility, and validate all changes against the official NXP MC9S08AC128 data sheet.
Recommandé
Récapitulatif des produits recommandés
Données de référence d'ingénierie pour MC9S08AC128MFUE — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit | MC9S08AC32CFGE | MC9S08AC16MBE | MC9S08AC16CFGE | MC9S08AC60CFUE | MC9S08AC60CPUE | MC9S08SH8MTG | MC9S08AC96MLKE | MC9S08AW32CFUE |
|---|---|---|---|---|---|---|---|---|---|
| Package | 64-QFP, 14 mm x 14 mm | QFP-64 | QFP-64 | QFP-64 | QFP-64 | QFP-64 | QFP-64 | QFP-64 | QFP-64 |
| Brand | NXP Semiconductors | Freescale Semiconductor | Freescale Semiconductor | Freescale Semiconductor | Freescale Semiconductor | Freescale Semiconductor | Freescale Semiconductor | Freescale Semiconductor | Freescale Semiconductor |
Principaux différenciateurs
- Verified 40 MHz HCS08 CPU in an automotive S08 MCU (vs MC9S08SH8MTG)
- Large verified memory configuration (vs MC9S08AC32CFGE)
- Automotive-oriented 64-QFP platform (vs MC9S08AC16MBE)
- 38 I/O ports for embedded peripheral connectivity (vs MC9S08AW32CFUE)
Notes de conception
Use the official NXP MC9S08AC128 data sheet as the controlling source for the 64-QFP footprint and pin numbering. Confirm exposed pad or thermal-pad requirements, pad dimensions, pin-1 orientation, solder mask, and copper-clearing rules before releasing the PCB. The verified distributor data identifies a 14 mm by 14 mm QFP outline, but it does not provide a complete land-pattern drawing, so do not infer dimensions from the package family name alone.
The verified operating supply range is 2.7 V to 5.5 V. Place the required supply decoupling close to the device power pins and follow the manufacturer's recommended capacitor values and ESR or stability requirements. Do not treat the range as permission to operate at an intermediate rail without checking transient limits, startup behavior, and all peripheral-specific electrical constraints in the complete data sheet.
Keep clock, programming, and sensitive analog routes away from switching-node copper and high-current return paths. The 38 I/O ports can create a dense signal field in the 64-QFP package, so assign pinmux functions early and route external protection, transceivers, and actuator drivers before finalizing placement. Verify every multiplexed signal against the exact MC9S08AC128MFUE package assignment rather than relying on an S08 family diagram from another variant.
Do not select another S08 part solely because it has a 64-QFP package or a similar flash capacity. A valid drop-in decision requires exact pin mapping, supply limits, peripheral compatibility, memory requirements, programming behavior, and qualification status. The supplied cross-reference results do not prove complete compatibility for the listed candidates; request manufacturer documentation and perform hardware validation before substituting a part.
Informations de conformité
RoHS compliance is identified in the verified distributor specification data. The supplied data does not state REACH status, AEC-Q100 qualification, lead-free status, halogen-free status, or conflict-minerals compliance. Automotive temperature grade is not equivalent to a verified AEC-Q100 qualification claim.
