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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
AT90USB82-16MU Microchip-Atmel 8-bit AVR Microcontroller, 8KB Flash, 32-pin, USB Controller ATmega系列单片机
AT90USB82-16MUR Microchip-Atmel 8-bit AVR Microcontroller, 8KB Flash, 32-pin, USB Controller ATmega系列单片机
AT91M40800-33AU Microchip-Atmel ARM7TDMI Microcontroller with 8KB SRAM, 100 Pins AT91系列单片机
AT91M40800-33AU-999 Microchip-Atmel ARM7TDMI Microcontroller with 8KB SRAM, 100 Pins AT91系列单片机
AT91M42800A-33AU Microchip-Atmel ARM7TDMI Microcontroller with 8KB on-chip SRAM, 144 Pins AT91系列单片机
AT91M42800A-33AU-999 Microchip-Atmel ARM7TDMI Microcontroller with 8KB on-chip SRAM, 144 Pins AT91系列单片机
AT91M42800A-33CJ Microchip-Atmel ARM7TDMI Microcontroller with 8KB on-chip SRAM, 144 Pins AT91系列单片机
AT91M42800A-33CJ-999 Microchip-Atmel ARM7TDMI Microcontroller with 8KB on-chip SRAM, 144 Pins AT91系列单片机
AT91M55800A-33AU Microchip-Atmel ARM7TDMI Microcontroller with 8KB on-chip SRAM, 176 Pins AT91系列单片机
AT91M55800A-33CJ Microchip-Atmel ARM7TDMI Microcontroller with 8KB on-chip SRAM, 176 Pins AT91系列单片机
AT91M55800A-33CJ-999 Microchip-Atmel ARM7TDMI Microcontroller with 8KB on-chip SRAM, 176 Pins AT91系列单片机
AT91R40008-66AU Microchip-Atmel ARM7TDMI Microcontroller with 256KB SRAM, 100 Pins AT91系列单片机
AT91R40008-66AU-999 Microchip-Atmel ARM7TDMI Microcontroller with 256KB SRAM, 100 Pins AT91系列单片机
AT91RM9200-CJ-002 Microchip-Atmel ARM920T Embedded Microprocessor Unit with USB host and Device, Ethernet, 208 and 256 Pins AT91系列单片机
AT91RM9200-QU-002 Microchip-Atmel ARM920T Embedded Microprocessor Unit with USB host and Device, Ethernet, 208 and 256 Pins AT91系列单片机
AT91SAM7L128-AU Microchip-Atmel ARM7TDMI Microcontroller with 128KB Flash, 128 and 144 Pins SAM7系列单片机
AT91SAM7L128-CU Microchip-Atmel ARM7TDMI Microcontroller with 128KB Flash, 128 and 144 Pins SAM7系列单片机
AT91SAM7L64-AU Microchip-Atmel ARM7TDMI Microcontroller with 64KB Flash, 128 and 144 Pins SAM7系列单片机
AT91SAM7L64-CU Microchip-Atmel ARM7TDMI Microcontroller with 64KB Flash, 128 and 144 Pins SAM7系列单片机
AT91SAM7S161-AU Microchip-Atmel ARM7TDMI Microcontroller with 16KB Flash, 64 Pins SAM7系列单片机

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