30.4 User OTP Memory

The dsPIC33CK512MPT608 family devices contain 64 One-Time-Programmable (OTP) double words, located at addresses, 801700h through 8017FEh. Each 48-bit OTP double word can only be written one time. The OTP Words can be used for storing checksums, code revisions, manufacturing dates, manufacturing lot numbers or any other application-specific information.

The OTP area is not cleared by any erase command. This memory can be written only once.