Hello,
I have two questions:
1. What is the default access mode right after the device was powered up?
2. Right after the device is powered up, I send the command to put the device in UNSEALED MODE and then in FULL ACCESS MODE. These are to send Unseal Key 0 and 1 and Full-Access Key 0 and 1 shown on page 19 of SLUS816A. The issue is that when I send Unsel Key 0, the device returns -7. Accordig to I2cSDK.h, -7 means no ack returned by the device. I am sure that the device is powered up. What can be its cause?
Thank you for your help.
Jun Inagaki