ATMEGA2561V-8MI Atmel, ATMEGA2561V-8MI Datasheet - Page 353

• Manufacturer Part Number: ATMEGA2561V-8MI
• Description: IC AVR MCU 256K 8MHZ 64-QFN
• Manufacturer: Atmel
• Series: AVR® ATmegar

Specifications of ATMEGA2561V-8MI

• Core Processor: AVR
• Core Size: 8-Bit
• Speed: 8MHz
• Connectivity: EBI/EMI, I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 54
• Program Memory Size: 256KB (128K x 16)
• Program Memory Type: FLASH
• Eeprom Size: 4K x 8
• Ram Size: 8K x 8
• Voltage - Supply (vcc/vdd): 1.8 V ~ 5.5 V
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 64-MLF®, 64-QFN
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

Figure 29-11. Serial Programming Instruction example
29.8.4
2549M–AVR–09/10
Byte 1
Serial Programming Characteristics
Load Program Memory Page (High/Low Byte)/
Load EEPROM Memory Page (page access)
Bit 15 B
Byte 2
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
For characteristics of the Serial Programming module, see
374.
Figure 29-12. Serial Programming Waveforms
SERIAL DATA OUTPUT
SERIAL CLOCK INPUT
Byte 3
SERIAL DATA INPUT
Adr LSB
Page Offset
SAMPLE
0
(MOSI)
(MISO)
(SCK)
Serial Programming Instruction
Byte 4
Program Memory/
EEPROM Memory
Page Buffer
MSB
MSB
Page N-1
Page 0
Page 1
Page 2
ATmega640/1280/1281/2560/2561
Byte 1
Page Number
Bit 15 B
Write Program Memory Page/
Write EEPROM Memory Page
Byte 2
Adr MSB
“SPI Timing Characteristics” on page
Byte 3
A A dr r L L SB B
Figure
0
29-11.
LSB
LSB
Byte 4
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