Yahoo! JAPAN

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.

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 ...

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

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 ...

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 ...

Depending on AVR type there can be a different number of lock bits. But two least bits are always present. LB1 and LB2 bits are used to lock memory. You ...