Model & package intelligence
Model text, package form, tray or reel details, and visual evidence are reviewed together before RFQ feedback.
MICROCHIP AT91SAM9260B-QU AT91SAM9260B
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
16
specifications
Core information
- Product name
- MICROCHIP AT91SAM9260B-QU
- Type
- MICROCHIP
- Minimum package
- 240 托盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- MICROCHIP
- Electronic Component
- AT91SAM9260B-QU
- Electronic Component
- 1
- Package
- 208-PQFP（28x28）
- Electronic Component
- MCU(MCU / MPU / SOC)
- Electronic Component
- 9.12g
- Electronic Component
- 1
- Features
- positions(POR); Built-in General Purpose; ECC; positions(NRST)
- Electronic Component
- BM0264458681
- CPU
- 180MHz
- Electronic Component
- Electronic Component
- Electronic Component
- 240
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
AT91SAM9260B-QU 产品概述
一、产品简介
AT91SAM9260B-QU 是 MICROCHIP（美国微芯）基于 ARM926EJ-S 内核的 32 位微处理器芯片，最高主频 180 MHz。该器件面向中高性能嵌入式系统，集成常用外设接口与片上可靠性特性，适用于工业控制、通信终端、消费类设备等需要实时处理与数据完整性保障的场合。封装为 208‑引脚 PQFP（28×28 mm），便于在中密度 PCB 上布局与焊接。
二、主要性能特点
- 核心与主频：ARM926EJ‑S 32 位内核，最高 180 MHz，提供良好的整数处理和外设驱动能力。
- 复位与上电可靠性：支持上电复位（POR）确保上电顺序与初始状态一致；外部管脚复位（NRST）便于系统级复位控制与故障恢复。
- 定时与控制：内置通用定时器，可用于事件调度、脉冲计时与软件定时器实现，满足常见实时控制需求。
- 数据完整性：硬件 ECC 校验用于提高存储访问的可靠性，减少闪存或外部存储错误造成的数据损坏风险。
三、封装与引脚
封装形式为 208‑PQFP（28×28 mm），适合对引脚数量有较高要求且需引出多路外设与信号的应用。该封装在热散与机械强度上较适中，需在 PCB 设计时注意散热与地/电源平面布局以保证性能稳定。
四、典型应用场景
- 工业自动化控制器：利用定时器与外部复位实现精确控制与可靠重启机制。
- 通信与网关设备：处理控制协议与数据转发，硬件 ECC 有助于可靠存储管理。
- 医疗与仪器仪表：对数据完整性与上电行为有严格要求的嵌入式终端。
- 消费类嵌入式系统：对成本与性能有平衡需求的中高端设备。
五、设计与应用建议
- 电源设计应考虑 POR 的触发条件与上电时间序列，确保各电源域按规范上电。
- NRST 引脚宜接入系统级复位电路或外部监控器，以提升异常恢复能力。
- 在使用外部闪存或大容量存储时，启用并验证硬件 ECC 功能以保障数据可靠性。
- PQFP 封装需注意芯片温升与散热通道，关键信号走线与地电源去耦要充分考虑。
该器件在需要稳定运行与数据保护的嵌入式设计中具有较强的实用性，建议依据具体系统需求结合电源、时钟与存储方案进行系统级验证。
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