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单片机介绍

单片机全称单片微型计算机(英语:Single-Chip Microcomputer),又称微控制器(Microcontroller),是把中央处理器、存储器、定时/计数器(Timer / Counter)、各种软入输出接口等都集成在一块集成电路芯片上的微型计算机。与应用在个人电脑中的通用型微处理器相比,它更强调自供应(不用外接硬件)和节约成本。它的最大优点是体积小可放在仪表内部,但存储量小,输入输出接口简单,功能较低。由于发展非常迅速,旧的单片机的定义已不能满足,所以在很多应用场合被称为范围更广的微控制器

方案关键器件表:

型号 品牌 产品描述 类型
AT91SAM7S16-AU Microchip-Atmel ARM7TDMI Microcontroller with 16KB Flash, 48 Pins SAM7系列单片机
AT91SAM7S16-MU Microchip-Atmel ARM7TDMI Microcontroller with 16KB Flash, 48 Pins SAM7系列单片机
AT91SAM7S321-AU Microchip-Atmel ARM7TDMI Microcontroller with 32KB Flash, 64 Pins SAM7系列单片机
AT91SAM7S321-AU-999 Microchip-Atmel ARM7TDMI Microcontroller with 32KB Flash, 64 Pins SAM7系列单片机
AT91SAM7S321-MU Microchip-Atmel ARM7TDMI Microcontroller with 32KB Flash, 64 Pins SAM7系列单片机
AT91SAM7S32B-AU Microchip-Atmel ARM7TDMI Microcontroller with 32KB Flash, 48 Pins SAM7系列单片机
AT91SAM7S32B-AU-999 Microchip-Atmel ARM7TDMI Microcontroller with 32KB Flash, 48 Pins SAM7系列单片机
AT91SAM7S32B-MU Microchip-Atmel ARM7TDMI Microcontroller with 32KB Flash, 48 Pins SAM7系列单片机
AT91SAM7S32B-MU-999 Microchip-Atmel ARM7TDMI Microcontroller with 32KB Flash, 64 Pins SAM7系列单片机
AT91SAM7SE256-AU Microchip-Atmel ARM7TDMI Microcontroller with 256KB Flash, 128 Pins SAM7系列单片机
AT91SAM7SE256-AU-999 Microchip-Atmel ARM7TDMI Microcontroller with 256KB Flash, 128 Pins SAM7系列单片机
AT91SAM7SE256-CU Microchip-Atmel ARM7TDMI Microcontroller with 256KB Flash, 128 Pins SAM7系列单片机
AT91SAM7SE256-CU-999 Microchip-Atmel ARM7TDMI Microcontroller with 256KB Flash, 128 Pins SAM7系列单片机
AT91SAM7SE32-AU Microchip-Atmel ARM7TDMI Microcontroller with 32KB Flash, 128 Pins SAM7系列单片机
AT91SAM7SE32-CU Microchip-Atmel ARM7TDMI Microcontroller with 32KB Flash, 128 Pins SAM7系列单片机
AT91SAM7SE32-CU-999 Microchip-Atmel ARM7TDMI Microcontroller with 32KB Flash, 128 Pins SAM7系列单片机
AT91SAM7SE512-AU Microchip-Atmel ARM7TDMI Microcontroller with 512KB Flash, 128 Pins SAM7系列单片机
AT91SAM7SE512-AU-999 Microchip-Atmel ARM7TDMI Microcontroller with 512KB Flash, 128 Pins SAM7系列单片机
AT91SAM7SE512-CU Microchip-Atmel ARM7TDMI Microcontroller with 512KB Flash, 128 Pins SAM7系列单片机
AT91SAM7SE512-CU-999 Microchip-Atmel ARM7TDMI Microcontroller with 512KB Flash, 128 Pins SAM7系列单片机

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