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How to Configure SPI Interface in Microcontroller and Write Code for Communication?

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  • #1 21672258
    siju mukund
    Anonymous  
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  • #2 21672259
    Neil Mula
    Anonymous  
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  • #3 21672260
    siju mukund
    Anonymous  
  • #4 21672261
    siju mukund
    Anonymous  
  • #5 21672262
    siju mukund
    Anonymous  
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  • #6 21672263
    Neil Mula
    Anonymous  
  • #7 21672264
    siju mukund
    Anonymous  
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  • #8 21672265
    Neil Mula
    Anonymous  

Topic summary

The discussion focuses on configuring the SPI interface on a microcontroller for communication with an RTC device. The user seeks guidance on hardware configuration and coding for SPI communication. Initial advice includes reviewing application schematics and consulting video tutorials. The user references studying datasheets to understand the protocol better before coding. A sample SPI code snippet for a Renesas microcontroller (CPU group 27) is shared, illustrating pin definitions and bit manipulation for SPI signals (SCLK, SSI, SSO, CS). The user queries the correctness of toggling chip select and clock lines during data transmission. Confirmation is given that the approach aligns with typical RTC datasheet requirements, and the user successfully achieves SPI communication in mode 1. The exchange emphasizes practical steps: understanding datasheets, verifying signal timing, and iterative testing to establish reliable SPI interfacing with RTC hardware.
Summary generated by the language model.
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