مکاشاپ
مکاشاپ
Program And Data Memory Lock Bits ATtiny13A provides two lock bits which can be left unprogrammed (“1”) or can be programmed (“0”) to obtain the additional security listed in Table 17-2 on page 103. The lock bits can be erased to “1” with the Chip Erase command, only. Program memory can be read out via the debugWIRE interface when the DWEN fuse is programmed, even if the lock bits are set. Thus, when lock bit security is required, debugWIRE should always be disabled by clearing the DWEN fuse. Note: 1. “1” means unprogrammed, “0” means programmed Table 17-1. Lock Bit […]
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