feng8601 发表于 2009-3-17 17:52:20

请教马老师一个ATtiny26的USI问题

ATtiny26的USI问题能做UARST的串口使用吗？

machao 发表于 2009-3-17 22:34:17

到ATMEL官方站上下载AVR的app_notes：AVR307

AVR307: Half Duplex UART Using the USI Module (18 pages, revision A, updated 10/03)
The Universal Serial Interface (USI) present in AVR devices like the ATtiny26, ATtiny2313, and ATmega169, is a communication module designed for TWI and SPI communication. The USI is however not restricted to these two serial communication standards. It can be used for UART communication as well.
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