MC908GZ32VFUE - 8-bit HC08 MCU 32KB Flash 64-QFP | NXP
N.º de pieza: MC908GZ32VFUE ✗ Fin de vida| Cant. | Precio unitario | Total |
|---|---|---|
| 1 | $6.27 | $6,27 |
| 10 | $5.95 | $59,50 |
| 100 | $5.65 | $565,00 |
| 500 | $5.4 | $2.700,00 |
| 1.000 | $5.15 | $5.150,00 |
MC908GZ32VFUE Descripción general
A microcontroller unit (MCU) is a single-chip computer that integrates a processor core, memory, and peripheral functions such as timers, serial interfaces, and analog-to-digital converters. The MC908GZ32VFUE belongs to the HC08 GZ family, part of the broader 8-bit microcontroller hierarchy used for cost-sensitive embedded control in industrial, automotive-adjacent, and consumer systems.
Key features include the enhanced M68HC08 (CPU08) CISC core running at up to 8MHz, 32KB of in-system programmable FLASH supporting field firmware updates, and a rich peripheral set including a serial communication interface (SCI), serial peripheral interface (SPI), and multi-channel timers. The wide 3.3V/5V operating range allows the same design to serve both legacy 5V industrial buses and modern 3.3V logic environments.
Technically, the HC08 architecture offers fully static operation, an 8-bit CISC instruction set upward-compatible with the earlier 68HC05, and low-power wait and stop modes for battery-sensitive designs. The GZ family member integrates sufficient on-chip FLASH and RAM to eliminate external memory in typical control applications, simplifying board layout and improving reliability.
Typical applications include industrial control panels, appliance control, motor control interfaces, sensor data acquisition nodes, and instrumentation front ends where a rugged 5V-tolerant 8-bit controller is preferred over 32-bit alternatives.
Design consideration: verify the exact package suffix, as family variants exist in 48-pin and other QFP footprints; the FUE suffix designates the 64-pin 14x14 mm QFP with extended temperature operation. Plan FLASH programming access and oscillator layout early.
This page synthesizes distributor pricing, drop-in family alternatives, and practical design notes not found in the manufacturer datasheet.
Alternativas directas para MC908GZ32VFUE — mismo encapsulado, compatible pin a pin. Se excluyen las piezas de otro encapsulado que requieren retrabajo de la PCB.
Variantes de esta serie
Modelos de la misma serie compatibles directamente con MC908GZ32VFUE (mismo factor de forma y huella) — difiere en RAM Size, Package, Supply Voltage, Core, Program Memory Size.
Herramienta de comparación rápida — seleccione piezas alternativas para compararlas lado a lado:
MC908GZ60VFAE
✅ Sustitución directa📋 Alternativa de referencia (no en el catálogo)
MC908AB32VFUE
✅ Sustitución directa✓ En stock
$31.75 / unidad
Ver hoja de datos →MC908AB32CFUE
✅ Sustitución directa✓ En stock
Consulte el precio
Ver hoja de datos →MC908GZ32CFUE
✅ Sustitución directa ⚠️ Especificaciones sin verificar📋 Alternativa de referencia (no en el catálogo)
MC908GZ48VFUE
✅ Sustitución directa ⚠️ Especificaciones sin verificar📋 Alternativa de referencia (no en el catálogo)
MC908GZ16VFUE
✅ Sustitución directa ⚠️ Especificaciones sin verificar📋 Alternativa de referencia (no en el catálogo)
MC908GZ32VFUE Valores máximos y características eléctricas
| Core Processor | HC08 (CPU08) |
| Core Architecture | 8-bit CISC |
| Core Size | 8-bit |
| Frecuencia de reloj máxima | 8 MHz |
| Program Memory Type | FLASH |
| Program Memory Size | 32KB (32K x 8) |
| RAM Size | 1.5KB (1.5K x 8) |
| Number of I/O | 53 |
| Tensión de alimentación | 3.3 V / 5 V |
| Peripherals | SCI, SPI, timers |
| Encapsulado / Carcasa | 64-QFP (14x14 mm) |
| Tipo de montaje | Surface Mount |
| Series | HC08 GZ Family |
| Product Status | Obsolete |
Guía de configuración de pines de MC908GZ32VFUE 64-qfp (14x14 mm)
Configuración de pines para MC908GZ32VFUE (encapsulado 64-qfp (14x14 mm)). Este CI digital incluye GPIO, interfaces de comunicación (UART, SPI, I2C) y pines de alimentación. Consulte la hoja de datos del fabricante para conocer las funciones alternativas de los pines y las opciones de configuración. Esencial para el diseño de sistemas embebidos y el diseño de PCB.
No hay datos detallados de patillaje disponibles para MC908GZ32VFUE.
Consulte la hoja de datos para ver la configuración completa de patillas.
Aplicaciones típicas
MC908GZ32VFUE es adecuado para 6 aplicacións: Industrial Control Panels, Appliance Control, Motor Control Supervisory Logic, Sensor Data Acquisition Nodes, Instrumentation Front Ends, Building Automation and HVAC Control.
Industrial Control Panels
The MC908GZ32VFUE fits industrial control panel controllers because its 5V-tolerant operation matches legacy industrial I/O standards, and its 53 general-purpose I/O lines drive indicator banks, relay drivers, and keypads without port expanders. The 32KB FLASH accommodates state-machine logic, Modbus-style SCI communication, and diagnostics in a single chip, while the SPI interface links to external ADCs or display drivers. Because the HC08 core is fully static and includes low-power wait modes, panels benefit from reduced standby consumption. Designers should reserve SCI and timer pins early and use the internal FLASH programming capability for field firmware updates.
Recomendado
Appliance Control
Home and commercial appliance controllers require low-cost, rugged microcontrollers with ample I/O, which matches the GZ32 profile: 53 I/O lines manage user interfaces, motor relays, and sensor inputs, while 32KB FLASH holds control algorithms and fault-logging routines. The 8MHz CPU08 core delivers sufficient throughput for temperature regulation loops and zero-cross-switched AC loads, and the dual 3.3V/5V supply range simplifies designs mixing legacy 5V peripherals with modern 3.3V memory. In-system FLASH programming supports last-stage firmware customization per appliance model without masking costs.
Recomendado
Motor Control Supervisory Logic
The MC908GZ32VFUE serves as supervisory logic in small motor-drive systems, where its multiple timers generate PWM or capture feedback signals, and the SCI port exchanges status with a higher-level controller. The 32KB FLASH stores commutation tables, ramp profiles, and fault handlers, while the HC08 core's deterministic 8-bit execution simplifies worst-case timing analysis for safety interlocks. Operating at 5V provides noise margin in electrically harsh motor environments. Designers should place oscillator and reset circuits away from switching nodes and verify timer pin mapping against the GZ family datasheet for the 64-QFP variant.
Recomendado
Sensor Data Acquisition Nodes
Distributed sensing nodes benefit from the GZ32's combination of 32KB FLASH, 1.5KB RAM, SPI, and SCI interfaces: the SPI bus connects external ADCs such as the TLC549 or TLV2545 family, while the SCI provides an RS-485-ready UART link to a master controller. The 3.3V/5V supply flexibility allows direct interfacing with either precision 3.3V analog front ends or 5V industrial sensors. Low-power wait and stop modes extend battery-backed node life, and in-system FLASH reprogramming enables calibration data storage in the same memory used for code.
Recomendado
Instrumentation Front Ends
Bench and process instrumentation uses the MC908GZ32VFUE as a system controller managing front-panel input, display driving through SPI, and data conversion via external precision ADCs. The 8MHz core delivers responsive user-interface scanning, while 32KB FLASH supports multi-language menus and data logging in the 1.5KB RAM buffer. The 5V operating mode yields generous logic noise margins for electrically noisy test environments. Per the HC08 GZ family overview, all family members use the enhanced CPU08 core, so instrumentation code is portable across GZ memory variants if the program grows beyond 32KB.
Recomendado
Building Automation and HVAC Control
HVAC zone controllers and building automation nodes match the GZ32's strengths: the SCI port implements RS-485 field-bus communication, timers handle fan PWM and damper sequencing, and 53 I/O lines cover thermostat inputs, actuator drives, and safety interlocks. The dual-voltage operation bridges 5V field wiring with 3.3V network electronics on one board. In-system FLASH updates let facility operators apply control-logic revisions on installed hardware. The extended-temperature V-suffix ordering option suits rooftop and mechanical-room environments; confirm the exact temperature range in the family datasheet before deployment.
Recomendado
Resumen de productos recomendados
Datos de referencia de ingeniería para MC908GZ32VFUE — comparación, orientación de diseño e información de cumplimiento.
Guía de selección
Comparación con alternativas
| Parámetro | Este producto | MC908GZ60VFAE | MC908AB32VFUE | MC908AB32CFUE | MC908GZ32CFUE |
|---|---|---|---|---|---|
| Package | 64-QFP (14x14 mm) | 64-QFP | 64-QFP | 64-QFP | 64-QFP |
| Brand | NXP Semiconductors (Freescale) | NXP Semiconductors (Freescale) | NXP Semiconductors (Freescale) | NXP Semiconductors (Freescale) | NXP Semiconductors (Freescale) |
| Core | HC08 (CPU08) 8-bit CISC | HC08 (CPU08) | HC08 (CPU08) | HC08 (CPU08) | HC08 (CPU08) |
| Flash Memory | 32KB (32K x 8) | 60KB | 32KB | 32KB | 32KB |
| Max Clock Frequency | 8 MHz | 8 MHz | 8 MHz | 8 MHz | 8 MHz |
| Product Status | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete |
| Application Targeting | General-purpose / industrial | General-purpose / industrial | Automotive-oriented AB32 family | Automotive-oriented AB32 family | General-purpose / industrial |
Diferenciadores clave
- Memory upgrade path within the same footprint (frente a MC908GZ60VFAE)
- General-purpose peripheral set vs automotive variant (frente a MC908AB32VFUE)
- Higher pin count than compact family variants (frente a MC908GZ32MFUE)
Notas de diseño
The MC908GZ32VFUE accepts 3.3V or 5V operation, but timing and analog accuracy differ between supply ranges - verify maximum bus frequency and reset thresholds for the chosen voltage in the HC08 GZ family datasheet. Decouple VDD with 0.1uF ceramic at each supply pin pair plus one bulk 4.7-10uF capacitor. Because the part is obsolete and replacement stock may come from varied date codes, confirm supply-current figures against the datasheet rather than assuming values from later NXP families.
The 64-QFP (14x14 mm) land pattern should follow the family datasheet footprint with 0.5mm pitch leads. Place the crystal/oscillator within a few millimeters of OSC1/OSC2 with short guard traces, and keep the reset line short with a defined pull-up since HC08 resets are sensitive during power ramp. Route SCI/SPI lines away from relay or motor switching circuits. Use a solid ground plane under the MCU to reduce EMI in 5V industrial environments.
Beware family suffix confusion when sourcing: the FUE suffix is the 64-pin QFP, while the MFUE variant is a 48-pin QFP and is NOT drop-in compatible on a 64-pin footprint. Also verify temperature-grade ordering codes (C vs V) against your environment. Because the device is obsolete, obtain date-code and authenticity documentation from brokers, and lock firmware into in-system FLASH programming procedures early, since HC08 development toolchains are legacy.
Información de cumplimiento
Compliance data not present in the provided web results; obsolete Freescale-era parts may pre-date current RoHS declarations - request compliance documentation from the distributor.