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ATtiny44 Datasheet(PDF) 166 Page - ATMEL Corporation |
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ATtiny44 Datasheet(HTML) 166 Page - ATMEL Corporation |
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166 / 236 page  166 8006H–AVR–10/09 ATtiny24/44/84 Notes: 1. Not all instructions are applicable for all parts. 2. a = address 3. Bits are programmed ‘0’, unprogrammed ‘1’. 4. To ensure future compatibility, unused Fuses and Lock bits should be unprogrammed (‘1’) . 5. Refer to the correspondig section for Fuse and Lock bits, Calibration and Signature bytes and Page size. 6. Instructions accessing program memory use a word address. This address may be random within the page range. 7. See http://www.atmel.com/avr for Application Notes regarding programming and programmers. Figure 19-2. Serial Programming Instruction example Write Instructions(6) Write Program Memory Page $4C adr MSB adr LSB $00 Write EEPROM Memory $C0 $00 adr LSB data byte in Write EEPROM Memory Page (page access) $C2 $00 adr LSB $00 Write Lock bits $AC $E0 $00 data byte in Write Fuse bits $AC $A0 $00 data byte in Write Fuse High bits $AC $A8 $00 data byte in Write Extended Fuse Bits $AC $A4 $00 data byte in Table 19-12. Serial Programming Instruction Set (Continued) Instruction/Operation(1) Instruction Format Byte 1 Byte 2 Byte 3 Byte4 Byte 1 Byte 2 Byte 3 Byte 4 Adr LSB Bit 15 B 0 Serial Programming Instruction Program Memory/ EEPROM Memory Page 0 Page 1 Page 2 Page N-1 Page Buffer Write Program Memory Page/ Write EEPROM Memory Page Load Program Memory Page (High/Low Byte)/ Load EEPROM Memory Page (page access) Byte 1 Byte 2 Byte 3 Byte 4 Bit 15 B 0 Adr MSB Page Offset Page Number Adr M MS SB A A Adrr L LSB B |
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