MC908GZ32VFUE - 8-bit HC08 MCU 32KB Flash 64-QFP | NXP
料号： MC908GZ32VFUE ✗ 停产| 数量 | 单价 | 小计 |
|---|---|---|
| 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 概述
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.
直接替换替代料： MC908GZ32VFUE ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
本系列中的变体
可与以下型号直接替换的同系列型号： MC908GZ32VFUE （相同外形与封装尺寸） ——差异在于 RAM Size, Package, Supply Voltage, Core, Program Memory Size.
快速对比工具——选择替代料号进行并排对比：
MC908GZ60VFAE
✅ 直接替换📋 参考替代料（不在目录中）
MC908AB32VFUE
✅ 直接替换✓ 有现货
$31.75 / 个
查看数据手册 →MC908AB32CFUE
✅ 直接替换✓ 有现货
联系询价
查看数据手册 →MC908GZ32CFUE
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
MC908GZ48VFUE
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
MC908GZ16VFUE
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
MC908GZ32VFUE 最大额定值与电气特性
| Core Processor | HC08 (CPU08) |
| Core Architecture | 8-bit CISC |
| Core Size | 8-bit |
| 最大时钟频率 | 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 |
| 电源电压 | 3.3 V / 5 V |
| Peripherals | SCI, SPI, timers |
| 封装 / 外壳 | 64-QFP (14x14 mm) |
| 安装类型 | Surface Mount |
| Series | HC08 GZ Family |
| Product Status | Obsolete |
MC908GZ32VFUE 64-qfp (14x14 mm) 引脚配置指南
MC908GZ32VFUE（64-qfp (14x14 mm) 封装）的引脚配置。 该数字 IC 包含 GPIO、通信接口（UART、SPI、I2C）和电源引脚。请参阅制造商数据手册以了解复用引脚功能和配置选项。对嵌入式系统设计和 PCB 布局至关重要。
暂无详细引脚数据： MC908GZ32VFUE.
请参阅 数据手册 以查看完整引脚配置。
典型应用
MC908GZ32VFUE 适用于 6 应用s: 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.
推荐
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.
推荐
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.
推荐
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.
推荐
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.
推荐
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.
推荐
推荐产品汇总
工程参考数据： MC908GZ32VFUE ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 | 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 |
关键差异点
- Memory upgrade path within the same footprint （对比 MC908GZ60VFAE)
- General-purpose peripheral set vs automotive variant （对比 MC908AB32VFUE)
- Higher pin count than compact family variants （对比 MC908GZ32MFUE)
设计说明
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.
合规信息
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.