SPRUJ53B April 2024 – September 2024 TMS320F28P550SJ , TMS320F28P559SJ-Q1
The PGALOCK register provides the ability to block writes to certain PGA configuration registers. Locking register writes can prevent spurious or malicious code from modifying critical register settings. Once a register has been locked using the PGALOCK register, only a module-level or device-level reset can restore write functionality.