Slave address in TWI is always fixed for a particular device | Microcontroller › 8051 › Slave address in TWI is always fixed for a particular device This topic has 1 reply, 2 voices, and was last updated 11 years, 3 months ago by AJISH ALFRED. Viewing 2 posts - 1 through 2 (of 2 total) Author Posts July 2, 2013 at 4:00 am #2518 JUPITER GEEKParticipant I read the topic of TWI / I2C in EG but i have a confusion about slave address. its says that we can connect upto 128 device to TWI, but i want to know that is there a particular address of different devices. As we use 0xd0 for ds1307 always. July 2, 2013 at 4:34 am #10075 AJISH ALFREDParticipant Hi Jupiter, Yes. There is a unique address for each and every device that can be connected in TWI. Author Posts Viewing 2 posts - 1 through 2 (of 2 total) You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In