Renesas 78K0/Kx2-L KY2-L, KA2-L, KB2-L, KC2-L microcontroller Application Note

Below you will find brief information for microcontroller 78K0/Kx2-L KY2-L, microcontroller 78K0/Kx2-L KA2-L, microcontroller 78K0/Kx2-L KB2-L, microcontroller 78K0/Kx2-L KC2-L. This sample program shows an example of using serial interface IICA (I2C). 16 bytes of data are transmitted and received via the I2C bus in slave operation. This note describes an operation overview of the sample program and how to use it, as well as how to set up and use serial interface IICA.

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78K0/Kx2-L KY2-L, 78K0/Kx2-L KA2-L, 78K0/Kx2-L KB2-L, 78K0/Kx2-L KC2-L Application Note | Manualzz

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Key features

  • I2C bus slave operation
  • 16-byte data transmission/reception
  • Fast mode (400kHz)
  • Sample program for implementation
  • Detailed circuit diagram
  • Flowcharts for program operation
  • Software coding examples
  • Register settings for IICA
  • Interrupt handling
  • Wakeup function

Frequently asked questions

It demonstrates the use of serial interface IICA for I2C slave communication, specifically transmitting and receiving 16 bytes of data.

The operating mode is fast mode, with a transfer clock frequency of 400kHz.

The local address is A0H.

Yes, the application note provides software coding examples for implementing the I2C slave communication.

The INTIICA0 interrupt is used to handle data communication events, such as start and stop conditions.
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