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ATmega3290P Datasheet(PDF) 310 Page - ATMEL Corporation |
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ATmega3290P Datasheet(HTML) 310 Page - ATMEL Corporation |
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310 / 385 page  310 8021E–AVR–07/09 ATmega329P/3290P Figure 26-11. Serial Programming Waveforms 26.6.18 Serial Programming Instruction set Table 26-16 and Figure 26-12 on page 312 describes the Instruction set. MSB MSB LSB LSB SERIAL CLOCK INPUT (SCK) SERIAL DATA INPUT (MOSI) (MISO) SAMPLE SERIAL DATA OUTPUT Table 26-16. Serial Programming Instruction Set Instruction/Operation Instruction Format Byte 1 Byte 2 Byte 3 Byte4 Programming Enable $AC $53 $00 $00 Chip Erase (Program Memory/EEPROM) $AC $80 $00 $00 Poll RDY/BSY $F0 $00 $00 data byte out Load Instructions Load Extended Address byte(1) $4D $00 Extended adr $00 Load Program Memory Page, High byte $48 $00 adr LSB high data byte in Load Program Memory Page, Low byte $40 $00 adr LSB low data byte in Load EEPROM Memory Page (page access) $C1 $00 0000 00aa / 0000 0aaa data byte in Read Instructions Read Program Memory, High byte $28 adr MSB adr LSB high data byte out Read Program Memory, Low byte $20 adr MSB adr LSB low data byte out Read EEPROM Memory $A0 0000 00aa / 0000 0aaa aaaa aaaa data byte out Read Lock bits $58 $00 $00 data byte out Read Signature Byte $30 $00 0000 000aa data byte out Read Fuse bits $50 $00 $00 data byte out Read Fuse High bits $58 $08 $00 data byte out Read Extended Fuse Bits $50 $08 $00 data byte out Read Calibration Byte $38 $00 $00 data byte out Write Instructions(6) Write Program Memory Page $4C adr MSB adr LSB $00 |
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