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AT90S4433是ATMEL公司推出的一种增强RISC结构、内载Flash的高性能AVR单片机。文中介绍了它的引脚功能、AVR增强性RISC结构、主要特性及其应用
AT90S4433 ATMEL company introduced a RISC enhanced structure, high-performance AVR microcontroller containing Flash. This article describes its pin function, AVR enhanced RISC structure, the main features and applications