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2017/3/4 -Fuse bits are locked in both serial and high-voltage programming modes. Boot lock bits are used for controlling the access of flash from code.

A convenience macro, LOCKBITS, is defined that declares a variable, __lock, of type unsigned char with the attribute defined by LOCKMEM. This variable allows ...

The Boot Lock bits and Fuse bits are locked in both Serial and Parallel Programming mode. (1). Note: 1.Program the Fuse bits and Boot Lock bits before ...

The ATMega128 has several special memory areas. -Six lock bits which determine program memory features. -Three fuse bytes which determine various hardware ...

2022/4/11 -The "normal" lock procedure for an AVR is to set the "lock bits" to 0 ("mode 3") and remove the bootloader, all of which requires a hardware ...

LB: This is the fuse to program to protect against code reading. ... This fuse will cause problems if you need to access tables etc in the flash memory. Just set ...

A convenience macro, LOCKBITS, is defined that declares a variable, __lock, of type unsigned char with the attribute defined by LOCKMEM. This variable allows ...

Fuse and lock bits are located in separate nonvolatile memory areas. If we look at the Atmega328p microcontroller, it has four bytes that need to be written to ...

2011/8/19 -"Lock bits" are used for protecting program and data memory (they are used with both the AT89 and AVR). They aren't unique to Atmel; Maxim uses ...