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[OS Develop] 74HC595_74HC165 DL : 0: ATmega48/88/168的PB5是SPI时钟输出，接74HC595/74HC165的移位时钟输入端；PB4是SPI的MISO数据输人，接74HC165的数据输出；PB3是SPI的MOSI数据输出，接74HC595的串行数据输入端SER；PB2接74HC595/74HC165的锁存时钟输入端。-PB5 The ATmega48/88/168 SPI clock output connected to the input end of a 74HC595/74HC165 the shift clock PB4 SPI MISO data input, then 74HC165 data output PB3 SPI MOSI data output, then 74HC595 string The line data input terminal SER PB2 a latch clock input terminal connected 74HC595/74HC165.
Date : 2026-01-08 Size : 8kb User : 吳忠憲