https://community.nxp.com/t5/8-bit-Microcontrollers/Unprotecting-Flash-in-PB16/m-p/2405885#M24401 <P>Hi, Folks!</P><P>Please I need to find the way to unsecure the first sector (0xC000 - 0xDFF) of a MC9S08PB16 for to save that are in RAM in this part of the flash using the flash commands described on Chapter 10 of the PB16 Reference Manual. Hope anybody can help me.<BR />Regards!</P> Mon, 17 Aug 2026 20:14:18 GMT Kaltronika 2026-08-17T20:14:18Z https://community.nxp.com/t5/8-bit-Microcontrollers/Unprotecting-Flash-in-PB16/m-p/2405885#M24401 <P>Hi, Folks!</P><P>Please I need to find the way to unsecure the first sector (0xC000 - 0xDFF) of a MC9S08PB16 for to save that are in RAM in this part of the flash using the flash commands described on Chapter 10 of the PB16 Reference Manual. Hope anybody can help me.<BR />Regards!</P> Mon, 17 Aug 2026 20:14:18 GMT https://community.nxp.com/t5/8-bit-Microcontrollers/Unprotecting-Flash-in-PB16/m-p/2405885#M24401 Kaltronika 2026-08-17T20:14:18Z https://community.nxp.com/t5/8-bit-Microcontrollers/Unprotecting-Flash-in-PB16/m-p/2406302#M24402 <P>Hello,</P> <P>Could you help us describe the commands and process you use to protect the memory sector?</P> <P>Are you referring to the commands in Chapter 10.3.5.2 Table 10-4 or the Flash commands in Chapter 10.3.9.1 Table 10-10?</P> <P>Have you set the FPROT register to protect the region in flash memory?</P> <P>Chapter 10.3.8.2 describe the method to unsecure the MCU by erasing the flash memory if that could help you to unsecure the sector.</P> <P>Best Regards, Luis</P> Tue, 18 Aug 2026 18:28:28 GMT https://community.nxp.com/t5/8-bit-Microcontrollers/Unprotecting-Flash-in-PB16/m-p/2406302#M24402 luis_maravilla 2026-08-18T18:28:28Z