ATmega325PA Atmel Corporation, ATmega325PA Datasheet - Page 303

• Manufacturer Part Number: ATmega325PA
• Manufacturer: Atmel Corporation

27.8.4
8285D–AVR–06/11
Byte 1
SPI Serial Programming Characteristics
Load Program Memory Page (High/Low Byte)/
Load EEPROM Memory Page (page access)
Bit 15 B
Byte 2
ATmega165A/PA/325A/PA/3250A/PA/645A/P/6450A/P
Adr M M S S B
A
Within the same page, the low data byte must be loaded prior to the high data byte.
After data is loaded to the page buffer, program the EEPROM page, see
Figure 27-12. Serial Programming Instruction example
For characteristics of the SPI module see “SPI Timing Characteristics” on page 328.
Byte 3
Adr LSB
Page Offset
0
Serial Programming Instruction
Byte 4
Program Memory/
EEPROM Memory
Page Buffer
Page N-1
Page 0
Page 1
Page 2
Byte 1
Page Number
Bit 15 B
Byte 2
Write Program Memory Page/
Write EEPROM Memory Page
Adr MSB
Byte 3
A A dr r L L SB B
Figure
0
27-12.
Byte 4
303