WMSIC Electronic Components

LPC2478FBD208K

ModelLPC2478FBD208K
PackageLQFP-208(28x28)
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 LPC2478FBD208K
Type
NXP
Unit
Electronic Component
Minimum package
180

Technical parameters

Electronic Component
Electronic Component
Electronic Component
NXP
Electronic Component
LPC2478FBD208K
Electronic Component
1
Package
LQFP-208(28x28)
Electronic Component
MCU(MCU / MPU / SOC)
Electronic Component
6.72g
CPU
16/32 Bit
I / O
160
RAM
98KB
Electronic Component
1
ADC
10bit
DAC
10bit
Features
(BOR / LVD / LVR / LVI);; positions(POR); Gate positions; Built-in General Purpose
Electronic Component
BM0257380901
Operating Temperature
40℃~+85℃

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

LPC2478FBD208K 产品概述

一、概述

LPC2478FBD208K 为恩智浦(NXP)面向嵌入式应用的高集成度单片机,基于 16/32-bit 处理架构,主频最高可达 72MHz。器件集成 512KB Flash 程序存储、98KB SRAM,提供高达 160 个可用 I/O 引脚,封装为 LQFP-208(28×28 mm),工作电压范围 3.0V~3.6V,工作温度 -40℃~+85℃,适用于工业级、商用级嵌入式系统设计。

二、主要特性

  • 处理能力:16/32 Bit 内核,最高主频 72MHz,适合实时控制与嵌入式应用程序执行。
  • 存储资源:512KB Flash(内部程序存储),98KB SRAM,满足中大型嵌入式固件与数据缓冲需求。
  • I/O 与模拟功能:多达 160 路 I/O,内置 10-bit ADC 与 10-bit DAC,便于模拟量采集与模拟输出控制。
  • 时钟与电源:内置振荡器,简化系统时序设计;工作电压 3.0V~3.6V,常见 3.3V 系统兼容。
  • 工业级可靠性:工作温度范围 -40℃~+85℃,适合恶劣环境应用。

三、外设与接口能力

器件提供丰富的片上外设,适配常见通信与控制需求(依据具体引脚分配):

  • 多通道 ADC(10-bit)用于传感器信号采集;10-bit DAC 用于模拟输出或信号生成。
  • 大量通用 I/O,利于扩展 GPIO、PWM 输出或外部中断。
  • 常见同步/异步接口(SPI、I2C、UART 等)可用于外设连接与通信(具体通道请参见数据手册)。
  • 支持定时器、PWM、DMA 等硬件加速模块,提高数据处理效率并降低 CPU 负担。

四、电气与封装信息

  • 电源:3.0V~3.6V 推荐 3.3V 供电,注意布板时电源去耦与地平面设计以保证稳定性。
  • 封装:LQFP-208(28×28 mm),大引脚数便于外设与接口分配,但对 PCB 面积与焊接要求较高。
  • 工作温度:工业级 -40℃~+85℃。

五、典型应用场景

  • 工业控制:运动控制器、PLC 扩展模块、数据采集终端等需大量 I/O 与可靠模拟接口的场合。
  • 通信网关与人机界面:结合外部显示、触摸、以太网或串行设备实现集中控制与交互。
  • 仪器仪表:数据采集、传感器融合与实时处理系统。
  • 嵌入式设备原型与定制产品开发。

六、设计与使用建议

  • 电源与地:采用低噪声稳压,靠近电源引脚布局足够的旁路电容与地回流路径。
  • 时钟与复位:即便内部振荡器可用,关键应用建议使用精确晶振以提升时序精度与通信可靠性;复位电路需保证上电复位正确。
  • 引脚复用与布局:提前规划外设引脚复用,尽量在 PCB 早期固定关键接口位置,降低布局修改成本。
  • 散热与封装处理:LQFP-208 封装在高工作频率或高功耗场景下注意散热通道与重焊工艺控制。

七、开发与调试支持

LPC2478 系列拥有成熟的软件生态与调试工具链,常见支持包括 Keil、IAR 等 IDE 以及 JTAG/SWD 调试器。建议参考官方数据手册、参考设计与评估板以加快开发周期。

八、总结

LPC2478FBD208K 在处理能力、存储资源与丰富外设方面均具有良好平衡,适合需要大量 I/O、模数混合信号处理与工业级可靠性的嵌入式系统。合理的电源、时钟与 PCB 设计配合成熟的开发工具链,可显著降低项目风险并缩短开发周期。

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