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LP8764-Q1: Having problems programming the NVM

Part Number: LP8764-Q1

I am trying to program the NVM of the above part. The chip is connected using I2C to an ARM chip. I have wrote a program that uses the BIN file from the GUI and writes the registers in the sequence that is defined in slvaf93a. I dont have any problem doing this. But when I try and verify the NVM I get the wrong values. I initially try and verify page 0 address 4 but get the wrong value. It appears, although I cant be sure, that the values returned seem to be from page 3, subpage 0. Not sure why that would be, I have the ENABLE pin of the regulator held low and I dont power cycle the chip after programming. Is this correct? Also I am finding that if I try to write to page 4 it fails. I am trying to do this with I2C1. I have I2C2 disabled by setting the GPIO 2 and 3 to non I2C mode. Any help appreciated. 

Thanks

Jon