WMSIC Electronic Components

S9KEAZN8AMFKR

ModelS9KEAZN8AMFKR
Package24-QFN(4x4)
BrandNXP
Price Price on request Electronic component prices change quickly with market supply and demand. Please refer to the latest WMSIC quotation for current pricing.
Configuration
1 options
Configuration 25+

Available for RFQ

Technical data

Product details

20 specifications

Core information

Product name
NXP S9KEAZN8AMFKR
Type
NXP
Unit
Electronic Component
Minimum package
5000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
Electronic Component
Electronic Component
NXP
Electronic Component
S9KEAZN8AMFKR
Electronic Component
1
Package
24-QFN(4x4)
Electronic Component
MCU(MCU / MPU / SOC)
Electronic Component
0.073g
CPU
32 Bit
CPU
ARM Cortex-M0+
I / O
22
RAM
1KB
Electronic Component
1
ADC
12bit
Electronic Component
BM0258724769
Operating Temperature
40℃~+125℃

For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.

S9KEAZN8AMFKR 产品概述

一、产品简介

S9KEAZN8AMFKR 是恩智浦(NXP)推出的一款基于 ARM Cortex-M0+ 内核的 32 位微控制器,封装为 24 引脚 QFN(4×4)。该器件以紧凑的存储与外设资源、宽电压范围与工业级工作温度区间为特点,适用于对成本、尺寸与可靠性有要求的嵌入式控制与传感前端应用。核心参数如下:

  • CPU 内核:ARM Cortex-M0+
  • 最高主频:48 MHz
  • 数据位宽:32 Bit
  • 程序存储:8 KB FLASH
  • 存储类型:FLASH
  • RAM:1 KB
  • 通用 I/O 数量:22 个
  • ADC:12-bit
  • 振荡器:内置振荡器
  • 工作电压:2.7 V ~ 5.5 V
  • 工作温度:-40 ℃ ~ +125 ℃
  • 封装:24-QFN(4×4)
  • 品牌:NXP(恩智浦)

二、主要特性(要点)

  • 32 位处理能力:ARM Cortex-M0+ 内核在 48 MHz 主频下提供足够的计算能力,满足多数实时控制与简单信号处理任务。
  • 紧凑存储配置:8 KB FLASH + 1 KB RAM 适合存放控制固件、引导与少量运行时数据,适用于功能精简、代码体积受限的应用。
  • 丰富 GPIO:22 个 I/O 引脚为外设控制、开关读取、LED 驱动、简单总线接口等提供灵活性。
  • 精度 A/D:12-bit ADC 支持中等精度的模拟采样,适合传感器数据采集与模拟量测量。
  • 宽电源范围:2.7 V 至 5.5 V 工作电压使其能兼容多种电源方案(单节锂电池、双节镍氢、5 V 系统等)。
  • 工业级温度:-40 ℃ 至 +125 ℃ 的工作温度满足严苛环境应用需求。
  • 小型封装:24-QFN(4×4)适用于对 PCB 面积敏感的便携与嵌入式产品。

三、典型应用场景

  • 传感器节点:结合 12-bit ADC 与多路 GPIO,可用于环境传感、温湿度/压力/光照等传感器采集与前端处理。
  • 工业小型控制器:用于简易的阀门控制、继电器驱动、状态监测等工业控制场景,得益于工业级温度与宽电压性能。
  • DIY 与消费类小型外设:遥控器、小家电控制板、按键/LED 驱动等对成本与尺寸敏感的终端设备。
  • 人机界面(HMI)子模块:作为按键扫描、背光控制与简单状态显示任务的协处理器。
  • 教学与快速原型:紧凑规格和常见架构便于教学与快速验证嵌入式控制算法。

四、设计与布局建议

  • 电源去耦:在 VDD 和 VSS 近端放置适当的陶瓷去耦电容(例如 0.1 μF)以抑制供电噪声,必要时添加 1 μF 或更大容量的滤波电容。
  • ADC 采样:为了提高 ADC 精度与稳定性,模拟输入节点应使用低阻抗信号源或增加合适的采样缓冲;尽量避免模拟输入线与高频数字线平行布线,减少干扰。
  • QFN 封装注意事项:24-QFN 封装建议在 PCB 设计时为底部散热焊盘预留通孔/焊盘并按厂商推荐的焊盘工艺进行铺铜与阻焊,确保良好焊接和热可靠性。
  • 时钟与振荡:芯片集成内置振荡器,便于快速开发与低 BOM 成本设计;对时间精度要求较高的系统,考虑外部晶振或参考时钟(若器件支持)以提升定时精度。
  • 上电与复位:按照规范提供稳定上电斜率,电源上电或复位期间避免 I/O 端口处于不确定状态,必要时使用上拉/下拉来定义默认电平。

五、可靠性与环境适配

该器件工作温度范围覆盖 -40 ℃ 至 +125 ℃,适合大多数工业与车载边缘应用。在高温、高湿或高振动环境中,建议在系统级进行热管理(散热、隔振)与 EMI 评估,并在 PCB 制造与元件焊接中采用工业级工艺以保证长期可靠性。

六、开发与测试提示

  • 固件体积限制:由于 FLASH/ RAM 容量有限,应在软件架构上尽量采用精简代码、优化数据存储与外设中断设计,避免动态分配大块内存。
  • 调试接口:开发阶段建议使用厂商工具链与调试器(支持 ARM Cortex-M 系列)进行烧录与单步调试,以加快开发进度。
  • 功耗评估:若用于电池供电,需在系统层面评估工作/睡眠模式切换与外设电源管理策略,以延长续航时间(具体低功耗特性视固件实现与外设使用情况而定)。

七、小结

S9KEAZN8AMFKR 是一款面向空间受限、成本敏感且需要工业级温度与宽电压适应性的 32 位微控制器。凭借 Cortex-M0+ 的处理能力、12-bit ADC、22 路 I/O 以及小尺寸 QFN 封装,它在传感前端、简单控制器与便携终端等应用中具有较高的实用性。在设计中注重电源完整性、ADC 信号处理与 QFN 布局工艺,可有效发挥该器件的可靠性与性能。若需进一步的引脚分配、外围电路示例或参考设计,建议查阅恩智浦官方数据手册与应用笔记。

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