MC9S08RG32CFJE - 8-Bit 8MHz 32KB Flash MCU | NXP
料号： MC9S08RG32CFJE ✗ 停产| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $0 | $0.00 |
| 10 | $0 | $0.00 |
| 100 | $0 | $0.00 |
| 500 | $0 | $0.00 |
| 1,000 | $0 | $0.00 |
MC9S08RG32CFJE 概述
A microcontroller is a programmable integrated circuit that combines a processor core, nonvolatile program memory, data memory, peripherals, and I/O in one package. In the broader hierarchy, an MCU is a semiconductor and embedded-control component used to read sensors, control actuators, communicate with other circuits, and execute firmware. The S08 family is positioned for compact embedded systems where an 8-bit architecture, Flash programmability, and conventional microcontroller peripherals provide an economical control solution.
The verified data specifically confirms the core speed, architecture, Flash capacity, and package. The NXP product-page search result also describes the family as an S08 8-bit MCU with 32 KB Flash and a QFP 32 package. The available data does not provide complete details for RAM, supply voltage range, peripheral inventory, operating-temperature range, watchdog behavior, communication blocks, or exact pin-level electrical limits. Those values must be confirmed from the original NXP datasheet before a new design relies on them.
MC9S08RG32CFJE is suitable for legacy industrial, appliance, control, and instrumentation designs that specifically use the S08RG family and its established firmware toolchain. It may fit a board using a 32-pin LQFP footprint only after pin compatibility, power requirements, memory map, peripheral functions, and software support have been compared against the replacement device. Because the part is no longer manufactured, procurement planning should include risk assessment for counterfeit screening, last-time-buy status, firmware image availability, and long-term maintenance.
The principal design consideration is not simply whether another 8-bit MCU has a similar Flash size. A true replacement must match the package, pin assignments, power architecture, interrupt and timer resources, memory organization, bootloader expectations, and software tool support. Use the manufacturer datasheet and a validated cross-reference tool for any substitution decision; the generic search results alone do not establish drop-in compatibility.
This page combines verified distributor and manufacturer-page information, lifecycle status, package details, and procurement-oriented engineering guidance. It intentionally distinguishes confirmed data from missing datasheet parameters so that engineers can make a controlled legacy-component decision rather than relying on an incomplete substitute claim.
直接替换替代料： MC9S08RG32CFJE ——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： MC9S08RG32CFJE （相同外形与封装尺寸） ——差异在于 Package, Maximum CPU Frequency, Flash Memory, Core, Lifecycle Status.
快速对比工具——选择替代料号进行并排对比：
MC9S08QE32CLCR
✅ 直接替换✓ 有现货
$2.2 / 个
查看数据手册 →MC9S08RE8CFJER
✅ 直接替换✓ 有现货
$4.18 / 个
查看数据手册 →MC9S08AC32CFJE
✅ 直接替换✓ 有现货
联系询价
查看数据手册 →MC9S08EL32CTJ
✅ 直接替换✓ 有现货
$4.1829 / 个
查看数据手册 →MC9S08JM32CQH
✅ 直接替换✓ 有现货
联系询价
查看数据手册 →MC9S08RG32CFJE 最大额定值与电气特性
| Product Type | 8-bit microcontroller |
| Architecture | S08 8-bit core |
| Maximum Core Frequency | 8 MHz |
| Flash Memory | 32 KB (32K x 8) |
| 封装 | 32-LQFP, 7 x 7 mm |
| Package Family | LQFP |
| 安装类型 | Surface mount |
| Terminal Count | 32 terminals |
| Terminal Pitch | 0.8 mm |
| Manufacturer | NXP Semiconductors |
| 生命周期状态 | No longer manufactured |
MC9S08RG32CFJE lqfp 引脚配置指南
MC9S08RG32CFJE（lqfp 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： MC9S08RG32CFJE.
请参阅 数据手册 以查看完整引脚配置。
典型应用
MC9S08RG32CFJE 适用于 6 应用s: Legacy industrial control, Appliance and household equipment, Instrumentation and sensor interface, Motor and actuator sequencing, Programmable logic controller replacement, Educational and legacy embedded development.
Legacy industrial control
The MC9S08RG32CFJE fits maintenance of existing S08-based industrial controllers because the verified device is an 8-bit MCU with 8 MHz operation and 32 KB Flash. It can retain the established firmware and I/O architecture when replacing a failed board population, provided the engineer confirms pinout, supply, RAM, timer, and interrupt compatibility from the original datasheet. The primary benefit is continuity with proven legacy software rather than a new-performance claim. Because NXP identifies the part as no longer manufactured, production use should include obsolete-part risk control, authorized sourcing, and a documented hardware requalification plan.
推荐
Appliance and household equipment
For appliance control, the MC9S08RG32CFJE offers a compact 8-bit processing platform with 32 KB of Flash for embedded firmware and an 8 MHz core for basic sequencing, sensing, and actuator control. The verified package information confirms a 32-LQFP 7 x 7 mm surface-mount format, which is useful when reproducing an established control board. A designer should verify the exact RAM, GPIO, timer, and communication resources before assigning functions. The MCU's obsolete status makes it more suitable for repairing an existing product than for an uncontrolled new platform launch, especially where safety and long-term availability requirements are strict.
推荐
Instrumentation and sensor interface
The MC9S08RG32CFJE can serve as the control processor in a legacy instrumentation design that uses an established S08 firmware image and simple digital sensor interface. The verified 8-bit core and 32 KB Flash are sufficient to evaluate a device only after the full peripheral and memory requirements are confirmed. A key design practice is to preserve the original clock, reset, analog-capable I/O, and interrupt assumptions, because those details are not present in the supplied search snippets. This application benefits most when field replacement is more important than obtaining a newer MCU with expanded connectivity or a current supply roadmap.
推荐
Motor and actuator sequencing
MC9S08RG32CFJE is applicable to legacy motor, valve, or relay sequencing systems where the existing design already depends on the S08RG timing and peripheral arrangement. Its verified 8 MHz core provides a defined processor operating point, while 32 KB Flash supports a compact control program. Before connecting a replacement part, confirm timer resolution, PWM capability, I/O current limits, watchdog behavior, and fault-handling pins; these are marked as [DATA_NEEDED] in this record because the supplied snippets do not document them. The part should be treated as a controlled legacy purchase and qualified against the original board.
推荐
Programmable logic controller replacement
The MC9S08RG32CFJE can support a reprogrammable legacy logic module when the original PCB, firmware, and I/O map are already fixed. The confirmed 32-LQFP footprint and 32 KB Flash make board-level reproduction more practical than changing the mechanical design, but pin and electrical equivalence still require direct datasheet review. During replacement testing, exercise every digital input, output, timing function, reset path, and communication interface under worst-case conditions. For new PLC platforms, an active lifecycle MCU with modern tooling and documented security requirements may provide lower long-term risk than this no-longer-manufactured device.
推荐
Educational and legacy embedded development
The MC9S08RG32CFJE can be valuable in an educational or laboratory environment where students or maintenance teams need to reproduce an existing S08RG design and study its 8-bit architecture. The verified data supports identifying the MCU as an 8-bit, 8 MHz device with 32 KB Flash in a 32-LQFP package. It should not be presented as a current general-purpose development choice without checking toolchain support and procurement status. A lab can use it effectively when the learning objective is firmware continuity, register-level control, or board repair, while recording all substitutions and validation results for repeatability.
推荐
推荐产品汇总
工程参考数据： MC9S08RG32CFJE ——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 | MC9S08QE32CLCR | MC9S08RE8CFJE | MC9S08AC32CFJE | MC9S08EL32CTJ | MC9S08JM32CQH |
|---|---|---|---|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
关键差异点
- Original legacy S08RG configuration （对比 MC9S08QE32CLCR)
- Larger verified Flash than the cited 8 KB comparison candidate （对比 MC9S08RE8CFJE)
- Direct manufacturer product-page identity （对比 MC9S08AC32CFJE)
- Established 32-LQFP mechanical identity （对比 MC9S08EL32CTJ)
设计说明
Do not treat a related S08 family member as a drop-in substitute solely because it is also described as a 32-pin microcontroller. The verified comparison results identify candidate devices but do not provide complete pin assignments, RAM, voltage limits, peripheral maps, or memory-map compatibility. Compare the original NXP datasheet with the candidate datasheet, then validate reset, clock, interrupts, timers, I/O, and programming behavior on a hardware sample.
Before applying power to a replacement board, confirm the original device's supply voltage, I/O voltage limits, reset behavior, and decoupling requirements from the manufacturer datasheet. The supplied search data does not include those values, so do not infer them from the 2.5 V or 3.3 V snippets found on third-party pages. Preserve the original power architecture and validate brownout, startup, and unused-pin conditions during qualification.
Keep the 32-LQFP footprint, pin numbering, exposed thermal and electrical requirements, and original PCB land pattern unchanged until the replacement part has been verified. The verified data confirms a 7 x 7 mm LQFP with 0.8 mm pitch, but it does not provide the full pinout. Archive the original board files and use a schematic-and-pin-diff tool before attempting any footprint or firmware migration.
Use the original board's copper and thermal layout as the starting point, then check the replacement MCU's maximum junction temperature and package thermal data against the actual ambient and dissipation conditions. The supplied snippets do not provide thermal resistance, power dissipation, or temperature limits. Therefore, no thermal conclusion should be made from the package name alone; obtain the official datasheet and validate with worst-case operating conditions.
Maintain continuity in the legacy S08 programming, debug, clock, reset, and interrupt paths. When substituting an obsolete MCU, create a regression test that checks boot timing, watchdog operation, timer outputs, serial or communication functions, analog-capable inputs, and every externally connected output. Record the exact firmware image and toolchain version so a successful replacement remains reproducible in the next maintenance cycle.
合规信息
The supplied verified data does not contain authoritative environmental or material-compliance declarations for MC9S08RG32CFJE. Obtain current supplier or manufacturer documentation for the exact part and lot.
