ATmega1280 Atmel Corporation, ATmega1280 Datasheet - Page 353

• Manufacturer Part Number: ATmega1280
• Manufacturer: Atmel Corporation

Specifications of ATmega1280

• Flash (kbytes): 128 Kbytes
• Pin Count: 100
• Max. Operating Frequency: 16 MHz
• Cpu: 8-bit AVR
• # Of Touch Channels: 16
• Hardware Qtouch Acquisition: No
• Max I/o Pins: 86
• Ext Interrupts: 32
• Usb Speed: No
• Usb Interface: No
• Spi: 5
• Twi (i2c): 1
• Uart: 4
• Graphic Lcd: No
• Video Decoder: No
• Camera Interface: No
• Adc Channels: 16
• Adc Resolution (bits): 10
• Adc Speed (ksps): 15
• Analog Comparators: 1
• Resistive Touch Screen: No
• Temp. Sensor: No
• Crypto Engine: No
• Sram (kbytes): 8
• Eeprom (bytes): 4096
• Self Program Memory: YES
• Dram Memory: No
• Nand Interface: No
• Picopower: No
• Temp. Range (deg C): -40 to 85
• I/o Supply Class: 1.8 to 5.5
• Operating Voltage (vcc): 1.8 to 5.5
• Fpu: No
• Mpu / Mmu: no / no
• Timers: 6
• Output Compare Channels: 16
• Input Capture Channels: 4
• Pwm Channels: 15
• 32khz Rtc: Yes
• Calibrated Rc Oscillator: Yes

Figure 30-11. Serial Programming Instruction example
30.8.4
2549N–AVR–05/11
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
375.
Figure 30-12. 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
30-11.
LSB
LSB
Byte 4
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