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Need help with PN532 via HSU to STM32F405

BAl K.1
Associate III

‎2023-01-24 12:24 AM

I need help with to access the pn532 nfc to stm32f405 via HSU. i have looked many references but some of them are in i2c. And i need help with HSU way, please help anyone

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Foued_KH
ST Employee

‎2023-02-10 2:21 AM

Hello @BAl K.1​ ,

The PN532 supports the following host interfaces:

• SPI

• I2C

• High Speed UART (HSU)

I2C communication :

  • I2C Standard mode (100 kHz SCLK) and Fast mode (400 kHz SCLK) are supported
  • for more information ( 8.3.2.1 I2C functional description Datasheet)

Foued

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