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CCS/CC1200: CC1200EM

Part Number: CC1200


Tool/software: Code Composer Studio

Hi 

I am using using CC1200EM for data transmission. It i supposed to be controlled by an MCU with simple 4 wire SPI protocol. In the CC1200 user's guide, it is indicated that the after pulling CSn, low, the MCU should wait until the SO pin goes low. page 8, first paragraph. I am doing this in my code in Code Composer Studio but the SO pin doesn't go low. What do you think can be the source of the problem? Thanks

Saberswru346b.pdf