WMSIC Electronic Components

STC STC8H4K64TL-40I-LQFP48 STC8H4K64TL

ModelSTC8H4K64TL-40I-LQFP48
PackageLQFP-48(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

19 specifications

Core information

Product name
STC STC8H4K64TL-40I-LQFP48
Type
STC
Minimum package
2500 托盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
STC
Electronic Component
STC8H4K64TL-40I-LQFP48
Electronic Component
1
Package
LQFP-48(9x9)
Electronic Component
MCU(MCU / MPU / SOC)
Electronic Component
4.388g
CPU
8 Bit
CPU
51
RAM
4KB
Electronic Component
1
ADC
12bit
Electronic Component
BM0265133895
CPU
40MHz
Oscillator Type
Built-in+
Electronic Component
Electronic Component

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

STC8H4K64TL-40I-LQFP48 产品概述

一、产品简介

STC8H4K64TL-40I-LQFP48 属于 STC 的 51 系列升级产品,内核为 51 家族兼容指令集,8 位处理器,最高主频 40MHz。器件集成度高,适合对成本、功耗和实时性有均衡要求的嵌入式应用。器件采用 LQFP-48(7×7mm)封装,便于在中小尺寸电路板上布局。

二、主要参数

  • CPU:51 家族内核,8-bit
  • 最高主频:40 MHz
  • 程序存储:64 KB Flash
  • 数据存储:4 KB RAM
  • ADC:12-bit 分辨率(多通道采样)
  • 振荡器:支持内置振荡器与外置晶振
  • 封装:LQFP-48,7×7 mm
  • 品牌:STC

三、引脚与封装要点

LQFP-48 封装提供了充足的 GPIO 与外设复用引脚,适合同时需要多路数字 IO 和模拟输入的设计。封装尺寸紧凑,焊接与手工调试均较方便。设计时注意留足地平面和去耦电容位置,电源与地的布线要尽量短且回流路径明确,以保证 ADC 精度和稳定性。

四、常见外设与功能(概述)

芯片通常集成常用外设,以满足嵌入式控制与采集需求,包括但不限于:

  • 多路 GPIO,可复用为通信、定时或 PWM 输出
  • ADC:12-bit 高分辨率,适合精确传感器采集
  • 定时器/计数器:用于时间基准与脉宽测量
  • 串口(UART)、SPI、I2C 等常见总线,便于外设扩展
  • 硬件看门狗与电源复位管理,提高系统可靠性 此外,STC 系列常支持串口在线编程(ISP),便于固件升级与调试。

五、典型应用场景

  • 工业控制:中低速闭环控制、状态采集
  • 消费电子:显示驱动、交互控制与传感
  • 数据采集:多通道传感器读数与滤波、记录
  • 家电与楼宇:电机控制、定时管理、智能输入输出模块

六、设计与调试建议

  • 时钟选择:若对定时精度要求高,优先使用外置晶振并做好晶振匹配电路;对成本或启动时间敏感的场合可使用内置振荡器并通过校准提升精度。
  • ADC 精度:为保证 12-bit 精度,模拟地与数字地应分区;对高精度输入采用合适的输入缓冲或滤波,减少导线阻抗和干扰。
  • 电源完整性:在 VCC 引脚附近放置 0.1uF 陶瓷和适当的电解旁路,防止高频噪声耦合影响外设工作。
  • 编程与升级:使用 STC 官方或兼容的 ISP 工具进行固件下载,注意复位与串口连线稳定。
  • 调试工具:建议结合 Keil/SDCC 等编译环境与仿真打印(UART)进行逐步功能验证。

七、资料与采购参考

购买时确认完整型号(STC8H4K64TL-40I-LQFP48),并索取官方数据手册与引脚图。数据手册将提供详细的电气参数、时序图和寄存器说明,是硬件与固件开发的必备参考。若需量产,还应关注温度等级、松动率与测试报告。

以上为 STC8H4K64TL-40I-LQFP48 的重点概述,便于快速判断器件是否满足项目需求。如需更详细的寄存器、引脚分配或参考电路,可以提供具体使用场景,我再给出针对性的设计建议。

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