ATmega1280 Atmel Corporation, ATmega1280 Datasheet - Page 97

• 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

2549N–AVR–05/11
Table 13-30. Port K Pins Alternate Functions (Continued)
• ADC15:8/PCINT23:16 – Port K, Bit 7:0
ADC15:8, Analog to Digital Converter, Channel 15 - 8.
PCINT23:16, Pin Change Interrupt Source 23:16. The PK7:0 pins can serve as External Inter-
rupt Sources.
Table 13-31. Overriding Signals for Alternate Functions in PK7:PK4
Signal Name
Port Pin
DIEOE
DIEOV
DDOE
PUOE
PUOV
DDOV
PVOE
PVOV
PTOE
PK4
PK3
PK2
PK1
PK0
AIO
DI
PCINT23 • PCIE2
PCINT23 INPUT
ADC15 INPUT
PK7/ADC15/
PCINT23
ADC12/PCINT20 (ADC Input Channel 12 or Pin Change Interrupt 20)
ADC11/PCINT19 (ADC Input Channel 11 or Pin Change Interrupt 19)
ADC10/PCINT18 (ADC Input Channel 10 or Pin Change Interrupt 18)
ADC8 /PCINT16 (ADC Input Channel 8 or Pin Change Interrupt 16)
ADC9/PCINT17 (ADC Input Channel 9 or Pin Change Interrupt 17)
0
0
0
0
0
0
–
1
ATmega640/1280/1281/2560/2561
PCINT22 • PCIE2
PCINT22 INPUT
ADC14 INPUT
PK6/ADC14/
PCINT22
0
0
0
0
0
0
–
1
Alternate Function
PCINT21 • PCIE2
PCINT21 INPUT
ADC13 INPUT
PK5/ADC13/
PCINT21
0
0
0
0
0
0
–
1
PCINT20 • PCIE2
PCINT20 INPUT
ADC12 INPUT
PK4/ADC12/
PCINT20
0
0
0
0
0
0
–
1
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