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ATmega325P bảng dữ liệu(PDF) 260 Page - ATMEL Corporation |
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ATmega325P bảng dữ liệu(HTML) 260 Page - ATMEL Corporation |
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260 / 364 page ![]() 260 8023F–AVR–07/09 ATmega325P/3250P Note: 1. “1” means unprogrammed, “0” means programmed Note: 1. “1” means unprogrammed, “0” means programmed Table 24-2. Boot Lock Bit0 Protection Modes (Application Section)(1) BLB0 Mode BLB02 BLB01 Protection 11 1 No restrictions for SPM or LPM accessing the Application section. 2 1 0 SPM is not allowed to write to the Application section. 30 0 SPM is not allowed to write to the Application section, and LPM executing from the Boot Loader section is not allowed to read from the Application section. If Interrupt Vectors are placed in the Boot Loader section, interrupts are disabled while executing from the Application section. 40 1 LPM executing from the Boot Loader section is not allowed to read from the Application section. If Interrupt Vectors are placed in the Boot Loader section, interrupts are disabled while executing from the Application section. Table 24-3. Boot Lock Bit1 Protection Modes (Boot Loader Section) (1) BLB1 Mode BLB12 BLB11 Protection 11 1 No restrictions for SPM or LPM accessing the Boot Loader section. 2 1 0 SPM is not allowed to write to the Boot Loader section. 30 0 SPM is not allowed to write to the Boot Loader section, and LPM executing from the Application section is not allowed to read from the Boot Loader section. If Interrupt Vectors are placed in the Application section, interrupts are disabled while executing from the Boot Loader section. 40 1 LPM executing from the Application section is not allowed to read from the Boot Loader section. If Interrupt Vectors are placed in the Application section, interrupts are disabled while executing from the Boot Loader section. |
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