https://devzone.nordicsemi.com/f/nordic-q-a/65030/nrf9160-smbus-block-read-failingI&#39;m trying to read the Device Name from address 0x21 on a BQ40Z80 fuel gauge, using my nRF9160 chip, connected via SMBus. When polling the address space, I nicely get an ACK from 0x0B, which is the default address of the BQ40Z80. Reading words is workingen-USTelligent Community 13Thu, 20 Aug 2020 11:37:04 GMThttps://devzone.nordicsemi.com/thread/265536?ContentTypeID=1Thu, 20 Aug 2020 11:37:04 GMT137ad170-7792-4731-bb38-c0d22fbe4515:02402c4c-2d64-4322-a6eb-fca1716d2fafnewUser<p>Hi Kenneth, thank you for your response.</p> <p>In fact, I used that document, but it did not help met yet.</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/265532?ContentTypeID=1Thu, 20 Aug 2020 11:35:28 GMT137ad170-7792-4731-bb38-c0d22fbe4515:f12caff0-5e2d-48dd-85eb-d89f0157dc6cKenneth<p>I am not familiar with SMBus, but could find this document that describe differences, maybe that can be used for debugging:<br /><a href="https://www.ti.com/lit/an/sloa132/sloa132.pdf">https://www.ti.com/lit/an/sloa132/sloa132.pdf</a></p><div style="clear:both;"></div>