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how to enable the chip based the I2C model
by wongwonder on Sep 20, 2010 |
wongwonder
Posts: 1 Joined: Mar 22, 2009 Last seen: Apr 21, 2020 |
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when i2c is the master model,how to enable the chip(si5338)which is the I2C device.
and,I use FPGA to configure the chip si5338.I know the address of this device drived by I2C model. thank your attention |
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RE: how to enable the chip based the I2C model
by jeverett on Sep 20, 2010 |
jeverett
Posts: 4 Joined: Jun 27, 2009 Last seen: Jun 19, 2017 |
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To begin communications with a slave device( from the SI5338 data sheet, I understand that it is an I2C slave), send a I2C start event(pull SDA low while SCL is high, send the slave device address followed by the read/write bit. The slave should pull the next(acknowledge) bit low if it is sent the correct address.
Does this answer your question? Also, are you using the IIC master core from opencores? If so, the documentation has good examples. I have used this core with the opencore or1200 risc processor to sucessfully communicate with the Chrontel video controller (via IIC) on a Xilinx SP605 board. |
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