MC9S08AC8CFDE - 8-bit 40MHz 8KB MCU | NXP | Industrial Control
料号： MC9S08AC8CFDE ✗ 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 |
MC9S08AC8CFDE 概述
A microcontroller is a programmable semiconductor that integrates a CPU core, memory, peripherals, and input/output interfaces onto one device. The S08 belongs to the HCS08 8-bit MCU family and is designed for compact embedded control systems. This device combines general-purpose control processing with analog measurement and serial communication, allowing one package to supervise sensors, actuators, and communication links.
The verified product information identifies 8KB of flash, an 8-bit architecture, a 40MHz rating, 10-bit ADC capability, SCI and SCI interfaces, and a 48-QFN-EP package. These features make the MC9S08AC8CFDE relevant to low-cost control platforms requiring embedded firmware, peripheral connectivity, and analog signal acquisition. The exact RAM size, supply range, pin functions, and detailed electrical limits were not supplied in the retrieved data and require verification from the manufacturer datasheet before design release.
The S08 core provides an 8-bit processing platform for embedded state machines, monitoring, and control loops. Its 40MHz maximum frequency provides a timing headroom advantage over slower 8-bit devices, while 8KB flash constrains firmware size and may require optimized code organization. SCI and SPI interfaces support serial peripherals and external devices without relying on software bit-banging. The 10-bit ADC feature is suitable for basic analog sensing, although resolution, sampling characteristics, and reference limits are not available in the provided search excerpts.
Typical uses include automotive body-control modules, industrial sensors, compact motor-control products, data acquisition, and low-cost embedded systems. The exposed-pad QFN format requires careful PCB footprint and thermal design work. Because the manufacturer marks the part as End of Life, long-life programs should confirm approved sourcing, last-time-buy opportunities, or an officially documented replacement before committing new production volumes.
The principal design consideration is lifecycle planning rather than feature substitution. Existing boards may still be serviceable when original stock or qualified inventory is available, but new designs should not assume broad future availability. Validate the complete pinout, electrical limits, firmware compatibility, and package land pattern against the official NXP documentation before schematic capture or PCB release.
This page consolidates the verified manufacturer and distributor descriptions, lifecycle information, interface capabilities, sourcing links, and engineering-oriented caveats for MC9S08AC8CFDE. It is intended to help engineers identify the correct device and plan a controlled end-of-life transition without relying on unverified substitute parts.
直接替换替代料： MC9S08AC8CFDE ——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： MC9S08AC8CFDE （相同外形与封装尺寸） ——差异在于 Package, RoHS Status, ADC, Flash Memory, Timers.
快速对比工具——选择替代料号进行并排对比：
该产品暂无直接替换替代料。
请求替代料MC9S08AC8CFDE 最大额定值与电气特性
| Device Type | 8-bit HCS08 microcontroller |
| Processor Core | S08 core |
| Architecture | 8-bit |
| 最大时钟频率 | 40 MHz |
| Flash Memory | 8 KB |
| Flash Organization | 8K x 8 bits |
| ADC Resolution | 10-bit |
| Serial Interfaces | SCI and SPI |
| 封装 | 48-QFN-EP |
| Package Body Size | 7 x 7 mm |
| 安装类型 | Surface mount |
| 生命周期状态 | End of Life |
| Target Application | Automotive and industrial control |
MC9S08AC8CFDE 7 x 7 mm 引脚配置指南
MC9S08AC8CFDE（7 x 7 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： MC9S08AC8CFDE.
请参阅 数据手册 以查看完整引脚配置。
典型应用
MC9S08AC8CFDE 适用于 6 应用s: Automotive Body-Control Module, Industrial Sensor Interface, Compact Data-Acquisition Controller, Legacy Equipment Controller, Serial Communication Hub, Embedded Motor-Supervision Controller.
Automotive Body-Control Module
The MC9S08AC8CFDE fits a compact automotive control module that coordinates switch inputs, actuator commands, diagnostics, and serial communication. Its 40MHz S08 core provides timing headroom for supervisory logic, while 8KB flash provides a defined local code budget. SCI supports vehicle-network or external-module communication and SPI can connect sensors or driver devices. The verified NXP page identifies automotive control as an intended application. Before release, confirm voltage transients, operating temperature, wake behavior, diagnostic requirements, and AEC-Q100 status in the official NXP documentation.
推荐
Industrial Sensor Interface
The 10-bit ADC capability makes MC9S08AC8CFDE appropriate for a small industrial sensor interface that accepts analog measurements and forwards processed results through SCI or SPI. The 8-bit S08 core can handle filtering, thresholding, diagnostics, and configurable control state without a separate processor. Its 40MHz maximum clock helps leave processing headroom for communication and periodic sampling. The interface design must still verify the ADC reference, sample rate, input impedance, channel count, operating voltage, and industrial temperature requirements from the manufacturer datasheet.
推荐
Compact Data-Acquisition Controller
MC9S08AC8CFDE can serve as a compact data-acquisition controller when an application needs periodic sensor sampling, local decisions, and serial transfer of results. The 10-bit ADC provides a basic measurement interface, while SCI and SPI allow connection to external sensors, memory, or host electronics. The 8KB flash limit should be checked against sampling code, calibration, communication buffers, and any bootloader. Power-supply noise, analog grounding, and sample settling also require schematic review because detailed ADC timing and reference specifications were not included in the retrieved data.
推荐
Legacy Equipment Controller
The MC9S08AC8CFDE is suitable for maintaining legacy equipment where the existing board is already designed around an S08 controller and its 48-QFN-EP footprint. The 40MHz maximum clock supports existing control loops, while SCI and SPI can preserve communication with existing sensors, displays, and service equipment. In maintenance programs, firmware compatibility, mask revision, package markings, and long-term traceability are more important than selecting a broadly available modern MCU. Because the device is End of Life, inventory planning and a documented last-time-buy decision are essential.
推荐
Serial Communication Hub
MC9S08AC8CFDE can act as a small communication hub between an S08-based control system and serial peripherals. SCI can handle point-to-point or multi-drop communication depending on the verified peripheral configuration, while SPI supports faster synchronous links to sensors or external controllers. The 8-bit architecture is appropriate for protocol framing, address handling, status monitoring, and supervisory control. Verify baud-rate limits, electrical interface level, pin multiplexing, and timing margins against the official datasheet before selecting external transceivers.
推荐
Embedded Motor-Supervision Controller
MC9S08AC8CFDE can provide supervisory motor-control logic for systems where a dedicated motor driver handles power switching and the MCU manages commands, limits, diagnostics, and status reporting. The 40MHz maximum frequency leaves room for control sequencing, while SCI and SPI allow communication with a driver, sensor, or host controller. This is not a claim of direct motor-drive capability; power-stage timing, current sensing, protection, and analog input conditioning must be designed separately. Confirm exact I/O, ADC, PWM, and timer functions in the NXP datasheet.
推荐
推荐产品汇总
工程参考数据： MC9S08AC8CFDE ——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 |
|---|---|
| Package | 48-QFN-EP, 7 x 7 mm |
| Brand | NXP Semiconductors |
| Processor Architecture | 8-bit HCS08/S08 core |
| Maximum Clock Frequency | 40 MHz |
| Flash Memory | 8 KB |
| ADC Resolution | 10-bit |
| Serial Interfaces | SCI and SPI |
| Lifecycle Status | End of Life |
关键差异点
- Established S08-compatible control architecture （对比 MC9S08QG8CFFE)
- Integrated serial connectivity （对比 MC9S08QG8CFFE)
- Compact exposed-pad implementation （对比 MC9S08QG8CFFE)
设计说明
Validate the complete power architecture before schematic capture. The retrieved data confirms the MCU family, flash, clock, ADC, SCI, SPI, and package, but does not provide the operating voltage range, absolute maximum ratings, or pin-level power assignments. Obtain the official NXP datasheet and package drawing, then verify every supply, ground, exposed-pad, and decoupling connection against the selected revision.
Treat the 48-QFN-EP footprint as a controlled layout item. Confirm the exact land pattern, exposed-pad dimensions, thermal-via recommendation, solder mask, and paste design from the manufacturer package drawing. Do not infer the footprint from the 7 x 7 mm description alone. Prototype assembly should include inspection for exposed-pad voiding and adequate copper connectivity under the device.
Do not treat a similarly named MC9S08 or MC9S08QG device as a drop-in replacement without verifying the complete pinout, memory map, peripherals, electrical limits, and firmware startup assumptions. The supplied data only identifies MC9S08QG8CFFE as a comparison target, not as a verified equivalent. For this End of Life device, document authorized sourcing, lot traceability, firmware revision, and any board-level substitutions before production.
Route SCI and SPI signals with attention to return paths and ground continuity. Although the retrieved excerpts do not specify interface timing or pin multiplexing, both interfaces are confirmed features. Use the official datasheet to determine signal direction, alternate-function mapping, voltage levels, and timing constraints. Keep analog ADC traces away from noisy switching nodes and provide local decoupling according to the manufacturer’s recommended layout.
合规信息
The supplied verified data does not state compliance or qualification status. The NXP product page identifies automotive and industrial applications but does not establish AEC-Q100 qualification in the retrieved excerpt.
