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可以用SPI连接。datasheet上明确写了。The SPI provides an interface for giving instructions to the CC2520 and transferring data between CC2520 and a microcontroller. The CC2520 4-wire slave interface consists of three input signals (CSn, SCLK and SI) and one output signal (SO).
你好。带MCU的射频芯片CC1110做SPI从机与stm32通讯时，当STM32拉高cc1110的从机cs引脚时，想要禁止该从机和其他从机通讯时，该从机的MISO is not tri-state，导致与其他从机通讯失败。从示波器上看到的现象是：MISO总线上的高电平只有只有一半。请问要如何处理这种从机通讯的问题啊？
