WMSIC Electronic Components

ARTERY(雅特力) AT32M412CBT7

ModelAT32M412CBT7
PackageLQFP-48(7x7)
BrandARTERY
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 Date code within 2 years

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
ARTERY AT32M412CBT7
Type
ARTERY
Minimum package
2500 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
ARTERY
Electronic Component
AT32M412CBT7
Electronic Component
1
Package
LQFP-48(7x7)
Electronic Component
MCU(MCU / MPU / SOC)
Electronic Component
1.819g
CPU
ARM Cortex-M4F
I / O
46
RAM
16KB
Electronic Component
1
Features
Gate (WWDG); (BOR / LVD / LVR / LVI);; positions(POR); Gate positions; Built-in General Purpose; Built-in Temperature Sensor; CRC; Integrated LDO
Electronic Component
BM0230879523
CPU
180MHz
Electronic Component
Electronic Component
Electronic Component
2500

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

AT32M412CBT7 产品概述

一、产品简介

AT32M412CBT7 是雅特力(ARTERY)系列中基于 ARM Cortex‑M4F 内核的高性价比 32 位微控制器。器件最高主频可达 180MHz,片上程序存储容量为 128KB,片上 SRAM 为 16KB,可提供多达 46 路通用 I/O 引脚。器件采用 LQFP‑48(7×7 mm)封装,适合中等引脚需求且对尺寸有一定限制的嵌入式应用。

二、处理器与性能

本款芯片采用 ARM Cortex‑M4F 内核,内置单精度浮点单元(FPU)并支持 DSP 指令集,适合需要浮点运算或信号处理的应用场景。180MHz 的主频在同类 Cortex‑M 产品中属于中高档次,能在实时控制、数字信号处理、复杂算法运算(如控制律、滤波、傅里叶变换)等场合提供充足的计算能力。

优势:

  • FPU 支持可显著提高浮点运算性能并降低软件实现复杂度;
  • DSP 指令可加速定点与浮点数字信号处理任务;
  • 较高主频带来更好的实时响应能力与更高的任务吞吐量。

三、存储与 I/O 能力

器件程序存储(FLASH)为 128KB,适合中小规模固件、协议栈与文件系统等组合使用。内部 SRAM 为 16KB,需在系统设计时注意栈/堆与运行时缓存的分配,尤其在使用 RTOS、多任务或大缓冲区时要做好内存规划。

I/O 方面提供 46 路通用 I/O,引脚数量对多数传感器接口、按键、LED 驱动及外设连接足够。建议在方案初期规划好关键引脚(如 UART、SPI、I2C、PWM、ADC 等)布局以减少后续修改。

四、封装与硬件接口

AT32M412CBT7 使用 LQFP‑48(7×7 mm)封装,适合手工焊接、自动贴片与中小批量制造。该封装在 PCB 布局上提供较好的引脚可用性与热传导性能。

硬件接口建议:

  • 采用标准 SWD 调试接口布局 2×5 或 2×3 羽化区,便于调试与在生产线上刷写固件;
  • 为 VDD/VSS 放置足够的去耦电容(每个电源域 0.1μF + 1μF 屏蔽)并靠近引脚;
  • 预留复位(RESET)与外部晶振焊盘位置,便于系统时钟精度需求。

五、典型应用场景

适用于需要一定算力且引脚不超大规模的嵌入式系统,例如:

  • 工业控制与电机驱动(中小功率);
  • 智能传感器网关、边缘数据处理节点;
  • 消费类电子与家电控制(按键、显示与通信);
  • 医疗监测仪器(非高安全关键领域);
  • 通信协议栈终端(如低功耗无线外设控制器)。

六、设计注意事项

  • 电源完整性:为稳压器输出与芯片电源引脚采用短走线布置去耦电容,减小电源噪声对 ADC 与时钟的影响。
  • 时钟与晶振:若需要高精度时钟源,应在 PCB 上为晶振预留匹配网络与地平面。
  • EMC 与 ESD:外部 I/O 连接应做必要的防护(TVS、串联阻抗、滤波),特别是工业环境。
  • 引脚复用与布局:提前规划外设引脚分配,避免 PCB 布线冲突。关键高速信号应注意阻抗控制与最短路径。
  • 程序与数据存储:128KB Flash 与 16KB SRAM 在功能扩展时可能成为瓶颈,建议在开发初期评估是否需要外部存储或压缩策略。

七、开发支持与建议

AT32M412CBT7 的 ARM Cortex‑M4F 架构与生态兼容性好,常见工具链(ARM GCC、Keil MDK、IAR Embedded Workbench 等)可用于代码开发与调试。建议利用 Cortex‑M 系列的标准库(CMSIS)来简化移植与优化工作。对于需要高实时性的应用,应充分利用 FPU 与编译器优化选项,并在代码中注意中断优先级与堆栈使用。

总结:AT32M412CBT7 在性能、存储与 I/O 之间保持了良好的平衡,适合对处理能力和成本有一定要求、但对引脚数和封装尺寸仍有保留的中小型嵌入式项目。合理的硬件布局与早期的软件资源评估能够最大化该器件在产品中的价值。

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