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ATtiny10 데이터시트(PDF) 115 Page - ATMEL Corporation |
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ATtiny10 데이터시트(HTML) 115 Page - ATMEL Corporation |
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115 / 168 page ![]() 115 8127C–AVR–10/09 ATtiny4/5/9/10 15.7 Register Description 15.7.1 NVMCSR - Non-Volatile Memory Control and Status Register • Bit 7 - NVMBSY: Non-Volatile Memory Busy This bit indicates the NVM memory (Flash memory and Lock Bits) is busy, being programmed. This bit is set when a program operation is started, and it remains set until the operation has been completed. • Bit 6:0 - Res: Reserved Bits These bits are reserved and will always be read as zero. 15.7.2 NVMCMD - Non-Volatile Memory Command Register • Bit 7:6 - Res: Reserved Bits These bits are reserved and will always read zero. • Bit 5:0 - NVMCMD[5:0]: Non-Volatile Memory Command These bits define the programming commands for the flash, as shown in Table 15-10. Bit 7 6543210 0x32 NVMBSY – – – – – – –NVMCSR Read/Write R/W RRRRRR R Initial Value 0 0000000 Bit 76543210 0x33 – – NVMCMD[5:0] NVMCMD Read/Write R R R/W R/W R/W R/W R/W R/W Initial Value 00000000 Table 15-10. NVM Programming commands Operation Type NVMCMD Mnemonic Description Binary Hex General 0b000000 0x00 NO_OPERATION No operation 0b010000 0x10 CHIP_ERASE Chip erase Section 0b010100 0x14 SECTION_ERASE Section erase Word 0b011101 0x1D WORD_WRITE Word write |
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