WMSIC Electronic Components

STC STC8H8K32U-45I-LQFP32 STC8H8K32U

ModelSTC8H8K32U-45I-LQFP32
PackageLQFP-32(9x9)
BrandSTC
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 26+

Available for RFQ

Technical data

Product details

16 specifications

Core information

Product name
STC STC8H8K32U-45I-LQFP32
Type
LQFP-32(9X9)
Minimum package
2500 托盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
STC
Electronic Component
STC8H8K32U-45I-LQFP32
Electronic Component
1
Package
LQFP-32(9x9)
Electronic Component
MCU(MCU / MPU / SOC)
Electronic Component
1.692g
Electronic Component
1
Electronic Component
BM0265131873
CPU
45MHz
Electronic Component
Electronic Component
Electronic Component
2500
Electronic Component
32KB

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

STC8H8K32U-45I-LQFP32 产品概述

一、产品简介

STC8H8K32U-45I-LQFP32 是 STC 推出的一款高性价比 8 位微控制器,最大主频 45MHz,程序存储容量 32KB,面向嵌入式控制与消费电子应用。芯片继承 STC 系列稳定可靠的架构,适合对成本、响应速度和外设集成度有一定要求的中小型项目。

二、主要特性

  • CPU 主频:最高 45MHz,适用于对实时性有一定要求的控制任务。
  • 存储容量:32KB 程序闪存,满足中等复杂度程序的存储需求。
  • 指令集:兼容并增强传统 80C51/51 类指令集,便于现有 51 平台的软件移植(具体兼容性请参见官方手册)。
  • 常见外设(以数据手册为准):多路定时/计数器、串口 UART、SPI、I2C 总线、PWM 输出、ADC、看门狗、低压复位等,支持在系统编程(ISP/IAP)与固件升级。
  • 开发支持:兼容主流 51 系列开发工具链(如 Keil、SDCC 等),STC 提供配套的烧录与调试工具。

三、封装与引脚

  • 封装形式:LQFP-32,封装尺寸 7x7mm(常见标注)。
  • 引脚分配适合多路通用 IO 与外设连接,封装利于中等密度 PCB 设计与散热管理。焊接和替换成本低,适合小批量与量产项目。

四、典型应用场景

  • 家用电器控制(小型家电定时、按键/旋钮接口控制)。
  • 工业控制与传感器节点(简单的 PID 控制、状态机处理)。
  • 智能照明与 LED 驱动(PWM 调光、亮度管理)。
  • 教育与原型开发(学习 51 架构、快速验证硬件方案)。

五、选型与设计建议

在选型与设计时建议:

  1. 依据外设需求核对官方数据手册中 ADC 通道、UART 个数与 IO 分配;
  2. 确认目标系统电源电压与芯片工作电压兼容(3.3V/5V 支持需以手册为准);
  3. 评估程序空间是否满足固件功能与未来 OTA/升级需求,如需更多代码空间可考虑大容量型号;
  4. 使用官方或社区提供的开发工具与参考电路,加快开发与可靠性验证。

备注:本文为概述性说明,具体电气参数、引脚功能和时序等详细信息请以 STC 官方数据手册为准。

Request for quote

Send RFQ

Use the form for single models, category sourcing, and multi-line BOM requirements.

Send your target model and quantity.

Product sourcing intelligence

Model, package, availability, and BOM fit reviewed before quotation.

WMSIC turns product data, package visuals, BOM context, and sourcing signals into practical RFQ notes for buyers.

Electronic component model and package intelligence review on an ESD-safe inspection bench

Model & package intelligence

Model text, package form, tray or reel details, and visual evidence are reviewed together before RFQ feedback.

BOM matching and alternative component comparison workstation with protected IC samples

BOM matching & alternatives

BOM lines are compared by package, parameters, quantity, and workable alternatives for cleaner sourcing decisions.

Electronic component sourcing availability dashboard with ESD-protected samples

Sourcing availability signal

Stock routes, quotation confidence, lead-time notes, and shipment feasibility are checked before sales follow-up.

Buyer sourcing scenarios

Examples of how common component sourcing requests are organized.

Typical RFQ scenarios based on the WMSIC form fields, catalog data, manual review steps, and shipment preparation workflow.

The buyer shares the full part number, package requirement, quantity, destination, and available product photos so the quotation can record the exact version under review.

Package confirmation Typical RFQ workflow

A multi-line BOM is organized into direct sourcing lines, lines that need package clarification, and lines where alternative-part review is permitted.

Mixed BOM triage Typical RFQ workflow

The original manufacturer part number, datasheet revision, application, critical limits, and acceptable changes are collected before possible candidates are discussed.

Obsolete-part review Typical RFQ workflow

Sample quantity, minimum packing, package format, target date, and courier destination are kept together in one RFQ conversation.

Small-batch request Typical RFQ workflow

Package photos, model markings, board context, and the quantity needed for repair help focus the sourcing review on the relevant version.

Repair batch evidence Typical RFQ workflow

When a suffix or package note is incomplete, the response records the open difference and requests buyer confirmation before procurement proceeds.

Model suffix clarification Typical RFQ workflow

Packing format, carton notes, invoice details, courier option, destination, and tracking handoff are coordinated around the confirmed order.

Export handoff Typical RFQ workflow

The request connects the previously used model, current demand, package evidence, target timing, and replenishment sourcing route.

Replenishment inquiry Typical RFQ workflow

Related products

Packaged components ready for RFQ.