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Host interface PN532 and I2C address

Question asked by Asael Hernandez on May 19, 2020
Latest reply on Aug 7, 2020 by Ricardo Zamora

First, about host interface selection in datasheet is written the following:


So, for I2C, l0 should be low and l1 should be high


But, in the PN532 User Manual, is written the following:



PN532 manual indicates otherwise, for I2C  l0 should be high and l1 should be low.


So, what are the right connections?


Second, about I2C address in slave mode, in datasheet  is written that I2CADR is the register of the slave address, and is written the following:



In that text it seems that the default address is 0x00 and we can change that address but in the PN532 Manual is written the following:



What is the default I2C address?