Part Number: AMC7812
Hi, I am using a texas based I2C controller AMC7812 for reading ADC values of adc channels in AMC7812. The master controller is AT32UC3a1512 of atmel. I am able to send the I2C commands from master but I am not getting any ack or any data from AMC7812. Kindly suggest me how to get data from AMC7812. I2C mode is enabled by grounding SPI/I2C pin and the slave ID is also selected based upon A0,A1 and A2 pins. Seeking urgent support on this issue.
We are glad that we were able to resolve this issue, and will now proceed to close this thread.
If you have further questions related to this thread, you may click "Ask a related question" below. The newly created question will be automatically linked to this question.
In reply to Paul_Frost:
In reply to santosh das53:
Thanks for the support.
1. The power supply to ADDD, DVDD and IOVDD is 3.3 V and AVCC1 and AVCC2 is shorted to each other with no external power supply.
2. Yes pull up to I2C is there to 3.3V through 1K resistor.
3. Kindly find the required attachment for the wave form. Here I am sending slave id: 0xC2 and resistor address: 0x50 twice and was expecting acknowledgement on SDA.
This timing looks okay - are you adhering to the required command format for a read?
All content and materials on this site are provided "as is". TI and its respective suppliers and providers of content make no representations about the suitability of these materials for any purpose and disclaim all warranties and conditions with regard to these materials, including but not limited to all implied warranties and conditions of merchantability, fitness for a particular purpose, title and non-infringement of any third party intellectual property right. No license, either express or implied, by estoppel or otherwise, is granted by TI. Use of the information on this site may require a license from a third party, or a license from TI.
TI is a global semiconductor design and manufacturing company. Innovate with 100,000+ analog ICs andembedded processors, along with software, tools and the industry’s largest sales/support staff.