Datasheet

DocID5124 Rev 6 21/37
M93S46-W M93S56-W M93S66-W Instructions
and Write Enable (W) signals must be driven High during the instruction execution. The
OTP bit cannot be directly read, it can be checked by reading the content of the Protection
Register, using the Protection Register Read (PRREAD) instruction, then by writing this
same value back into the Protection Register, using the Protection Register Write
(PRWRITE) instruction.
When the OTP bit is set, the Ready/Busy status cannot appear on Serial Data Output (Q).
When the OTP bit is not set, the Busy status appears on Serial Data Output (Q).
Note: A Protection Register Enable (PREN) instruction must immediately precede the Protection
Register Disable (PRDS) instruction.