Help me interface TCA8418 keypad controller with PIC 24F processor

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gops2008

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Hi,
I am a design enginner working on TCA8418 keypad controller. we have interfaced a pic 24f processor with it . The i2c bus is pulled up with a 3.3 k pullup resistor and 1.5 k series resistor for voltage drop from 5 v to 3.3 v as the TCA8418 is a 3.3V IC and PIC24f is a 5v chip. Can any body help me as i am not possible to interface. Any source codes and design help would be appreciated.

Thanks & Regards
Gops
 

Re: TCA8418

Hi,
Friends i got it working some registers were not set and I2c Bus specifications were not met . Kindly let me know if you need the sample codes for this IC.

Post your query to gops2008@gmail.com

Regards
 

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