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How to set slave address in I2C?
So to write to a slave device:
- Send a start sequence.
- Send the I2C address of the slave with the R/W bit low (even address)
- Send the internal register number you want to write to.
- Send the data byte.
- [ Optionally, send any further data bytes]
- Send the stop sequence.
Which is the slave address in I2C total phase?
The I2C bus specification specifies that in standard-mode I2C, the slave address is 7-bits long followed by the read/write bit. All I2C products from Total Phase, follow this standard convention. The slave address used should only be the top seven bits. In the case of the Aardvark I2C/SPI Host Adapter, the software will automatically append
Do you need to know the I2C address scheme?
The answer is simple: in order to properly interface with an I2C slave device, you need to know the I2C address scheme. If you do not know the correct I2C address, you’re going to have difficulty getting an I2C master and I2C slave device to communicate and your I2C development and I2C debugging efforts can hit a roadblock fast.
Are there any address translation modules for I2C?
Perhaps some kind of I2C address translation module with each device with an configurable address so I can assign my own addresses to each one. There is nothing built into I2C to do this, normally slave devices will have some externals pins that can be set to 0 or 1 to toggle a couple of the address bits to avoid this issue.
Why is Cbus address reserved for I2C devices?
(2) The CBUS address has been reserved to enable the inter-mixing of CBUS compatible and I2C-bus compatible devices in the same system. I2C-bus compatible devices are not allowed to respond on reception of this address. (3) The address reserved for a different bus format is included to enable I2C and other protocols to be mixed.