Datasheet

276
2466T–AVR–07/10
ATmega16(L)
Serial Programming
Instruction set
Table 116 on page 276 and Figure 137 on page 277 describes the Instruction set.
Table 115. Minimum Wait Delay before Writing the Next Flash or EEPROM Location
Symbol Minimum Wait Delay
t
WD_FUSE
4.5 ms
t
WD_FLASH
4.5 ms
t
WD_EEPROM
9.0 ms
t
WD_ERASE
9.0 ms
Table 116. Serial Programming Instruction Set (Hexadecimal values)
Instruction
(1)
/Operation
Instruction Format
Byte 1 Byte 2 Byte 3 Byte 4
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 adr MSB adr LSB high data byte in
Load Program Memory Page, Low byte $40 adr MSB adr LSB low data byte in
Load EEPROM Memory Page (page access)
(1)
$C1 $00 adr LSB 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 adr MSB adr LSB 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 $0b00 000bb data byte out
Write Instructions
Write Program Memory Page $4C 000a aaaa aa00 0000 $00
Write EEPROM Memory $C0 adr MSB adr LSB data byte in
Write EEPROM Memory Page (page access)
(1)
$C2 adr MSB 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