MC908GR60ACFUE - 8-bit HC08 MCU, 60KB Flash, 64-QFP | NXP
Référence : MC908GR60ACFUE ✗ Fin de vie| Qté | Prix unitaire | Total |
|---|---|---|
| 1 | $18.5 | $18,50 |
| 10 | $16.2 | $162,00 |
| 100 | $13.95 | $1 395,00 |
| 500 | $11.8 | $5 900,00 |
| 1 000 | $9.65 | $9 650,00 |
MC908GR60ACFUE Présentation
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory, working RAM, and peripheral subsystems (timers, ADC, communication controllers, GPIO) onto one silicon die. 8-bit MCUs such as the HC08 family target cost-sensitive, deterministic embedded applications where a 32-bit processor is over-specified. Within the broader taxonomy, the HC08 sits below 16-bit (e.g. HC12/S12) and 32-bit (e.g. ColdFire, Kinetis) NXP families, but above 4-bit legacy controllers in both performance and code density.
Key features include 60KB of FLASH program memory, 2KB of RAM, an internal oscillator, on-chip peripherals (timers, ADC, SCI/SPI), low-voltage detection, and the standard M68HC08 CPU core with C-optimized instruction set. The CISC instruction set is tuned for C compiler efficiency, and the 53 I/O pins support keypads, displays, and sensor interfaces. System protection features include LVI, watchdog timer, and illegal-address reset to improve field reliability.
Typical applications include automotive body and chassis ECUs, industrial control boards, appliance controllers, and consumer devices that need deterministic 8-bit processing with embedded flash. The wide 3.3V/5V operating range simplifies integration with both 3.3V sensors and legacy 5V digital logic.
When designing with this MCU, leave adequate decoupling (100nF + 10uF bulk) near VDD/VSS pins, keep the RESET pin driven high with the proper pull-up during normal operation, and configure the oscillator IRQ vector before enabling interrupts. The 64-QFP package requires a 14x14 mm land pattern with proper thermal relief for production assembly.
Alternatives de remplacement direct pour MC908GR60ACFUE — 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 MC908GR60ACFUE (même facteur de forme et même empreinte) — différant par Core Architecture, Package, RoHS Status, RAM Size, ADC.
Outil de comparaison rapide — sélectionnez des références alternatives pour une comparaison côte à côte :
MC908GR48ACFUE
✅ Remplacement direct✓ En stock
$6.95 / unité
Voir la fiche technique →MC908GR60ACFAE
✅ Remplacement direct✓ En stock
$6.9 / unité
Voir la fiche technique →MC908GZ60CFUE
✅ Remplacement direct✓ En stock
$9.25 / unité
Voir la fiche technique →MC908GR60ACFUE Valeurs maximales et caractéristiques électriques
| Core Architecture | M68HC08 CISC |
| Largeur du bus de données | 8 bit |
| Program Memory Size | 60 KB (60K x 8) FLASH |
| RAM Size | 2 KB (2K x 8) |
| Fréquence d'horloge maximale | 8 MHz (internal bus) |
| Number of I/O Pins | 53 |
| Tension d'alimentation | 3.3 V / 5 V |
| Oscillator Type | Internal |
| Boîtier / Format | 64-QFP (14 x 14 mm) |
| Type de montage | Surface Mount |
| Terminal Form | GULL WING |
| Temperature Grade | INDUSTRIAL |
| Packaging | Tray |
| Instruction Set Compatibility | M6805, M146805, M68HC05 object-code compatible |
| System Protection | LVI, watchdog timer, illegal-address reset |
Guide de configuration des broches du MC908GR60ACFUE 64-qfp (14 x 14 mm)
Configuration des broches du MC908GR60ACFUE (boîtier 64-qfp (14 x 14 mm)). 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 MC908GR60ACFUE.
Consultez la fiche technique pour la configuration complète des broches.
Applications typiques
MC908GR60ACFUE convient pour 6 applications: Industrial Control Boards, Automotive Body Electronics, Appliance Controllers, Consumer Electronics, Sensor Front-End Nodes, HMI / Keypad Controllers.
Industrial Control Boards
The MC908GR60ACFUE is well-suited for industrial control boards thanks to its 8 MHz HC08 core, 60 KB flash, 53 GPIO, and 3.3 V/5 V dual supply. The 60 KB flash accommodates substantial C-language state-machine code for PLC-style logic, while the 53 GPIO directly drive relays, optocouplers, and indicator LEDs without external muxing. On-chip timers support PWM for motor-speed loops, and the SCI/SPI peripherals connect to HMI displays and remote I/O modules. Unlike 32-bit parts, the HC08 provides deterministic interrupt latency critical for real-time control. System protection (LVI, watchdog) prevents lockups in noisy factory environments.
Recommandé
Automotive Body Electronics
The MC908GR60ACFUE was designed into automotive body controllers (door modules, body ECUs, lighting controllers) where 8-bit deterministic performance is sufficient. The 60 KB flash stores lighting patterns, keyless-entry algorithms, and diagnostic routines; the 2 KB RAM holds stack and runtime buffers. The 53 GPIO interface switches power-FET drivers and reads switches/buttons. The industrial temperature grade handles under-hood thermal stress. Although the part is now obsolete, the HC08 architecture remains widely deployed in legacy vehicle platforms still in production service.
Recommandé
Appliance Controllers
Washing machines, dishwashers, and HVAC controllers use the MC908GR60ACFUE for user-interface logic, sensor acquisition, and motor control. The HC08's C-optimized CISC set fits within the 60 KB flash budget for menu code, wash-cycle algorithms, and fault diagnostics. The on-chip ADC reads temperature and water-level sensors, while timers generate PWM signals for triac-driven motor and heater control. Dual 3.3 V/5 V operation simplifies interfaces to both modern LCD displays and legacy 5 V sensor bridges.
Recommandé
Consumer Electronics
Toys, remote controls, audio mixers, and small appliances deploy the MC908GR60ACFUE where cost and code density matter more than raw CPU throughput. The 60 KB flash fits complex IR protocols, audio DSP-lite routines, and UI state machines. The internal oscillator eliminates external crystal cost. The 64-QFP package is easy to hand-prototype and rework, which benefits low-volume consumer products. Code reuse from the M68HC05 family enables designers to leverage legacy firmware libraries.
Recommandé
Sensor Front-End Nodes
Distributed sensor nodes (temperature, pressure, flow) in industrial networks use the MC908GR60ACFUE to acquire analog signals via the on-chip ADC, run calibration algorithms, and forward data over SCI/SPI. The 53 GPIO allow daisy-chained sensor multiplexing. The HC08's deterministic execution ensures sample timing stays within tight windows. The 2 KB RAM buffers multi-channel ADC scans before serial transmission, and the 60 KB flash stores calibration tables for sensor linearization.
Recommandé
HMI / Keypad Controllers
Human-machine interface boards (keypads, LCD panels, indicator stacks) deploy the MC908GR60ACFUE as a scan-controller. The 53 GPIO drive matrix keypads up to 8x8 and LCD segment signals directly. The HC08 handles debouncing, multi-key detection, and backlight PWM in firmware. SPI links to a master controller, while SCI provides a debug port. The 60 KB flash accommodates translation tables and custom character maps for multilingual displays.
Recommandé
Récapitulatif des produits recommandés
Données de référence d'ingénierie pour MC908GR60ACFUE — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit | MC908GR48ACFUE | MC908GR60ACFAE | MC908GZ60CFUE |
|---|---|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Package | 64-QFP (14x14) | 64-QFP (14x14) - same | 64-QFP (14x14) - same | 64-QFP (14x14) - same |
| Core | HC08 8-bit CISC | HC08 8-bit CISC | HC08 8-bit CISC | HC08 8-bit CISC |
| Flash Memory | 60 KB | 48 KB (-20%) | 60 KB (same) | 60 KB (same) |
| RAM Size | 2 KB | 2 KB | 2 KB | 2 KB |
| Max Bus Frequency | 8 MHz | 8 MHz | 8 MHz | 8 MHz |
| GPIO Count | 53 | 53 | 53 | ~53 (peripheral-mux dependent) |
| Supply Voltage | 3.3 V / 5 V | 3.3 V / 5 V | 3.3 V / 5 V | 3.3 V / 5 V |
| Lifecycle Status | Obsolete | Obsolete | Obsolete | Obsolete |
Principaux différenciateurs
- Maximum flash density in the GR sub-family (vs MC908GR48ACFUE)
- Balanced GPIO versus analog-channel mix (vs MC908GZ60CFUE)
- Stable supply compatibility (3.3 V and 5 V) (vs MC908GZ60VFUE)
Notes de conception
Place a 100 nF ceramic decoupling capacitor as close as possible to each VDD/VSS pin pair, and add a single 10 uF bulk tantalum or ceramic capacitor near the package. The MC908GR60ACFUE draws brief inrush currents during flash programming; ensure VDD rise time is < 50 ms to avoid unintended reset states.
The HC08 vector table must be configured in the non-volatile registers before enabling interrupts, otherwise an unexpected reset occurs. Always set the IRQ vector register and configure the CONFIG2 register (LVI, watchdog, STOP instruction enable) at the very start of the startup code, before the C runtime is initialized.
The 64-QFP (14 x 14 mm) package has 0.8 mm pitch gull-wing leads. Use a 4-layer stack-up with a continuous ground plane beneath the IC; route all 53 GPIO signals on top/bottom only to avoid via stubs. Add a ground ring under the package tied to the central exposed paddle to reduce digital switching noise coupling into ADC inputs.
Keep the RESET pin trace short and add a 10 kohm pull-up to VDD. Place any external reset supervisor (e.g. MAX811) within 25 mm of the RESET pin. Avoid routing high-frequency signals (SPI clock, PWM outputs) parallel to ADC analog inputs to minimize crosstalk. Add a ferrite bead on the analog VDD supply pin if analog precision matters.
Informations de conformité
RoHS and lead-free confirmed per NXP product listing. AEC-Q100 not stated on the part - the industrial temperature grade indicates it was designed for industrial/automotive use but is not formally AEC-qualified.
