用MCU的SPI引脚连接CC3100,CC3100外部是否要再连接SPI FLASH,这个FLASH有什么用途,另外,是否需要在FLASH中烧写固件,固件是哪一个?谢谢。
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The external serial flash stores the user profiles and firmware patch updates. The CC3100 device acts as a master in this case; the SPI serial flash acts as the slave device. 具体可参考官方文档:
http://processors.wiki.ti.com/index.php/CC3100_%26_CC3200_Serial_Flash_Guide