ATmega1280 Atmel Corporation, ATmega1280 Datasheet - Page 164

• 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

17.11.20 OCR3AH and OCR3AL – Output Compare Register 3 A
17.11.21 OCR3BH and OCR3BL – Output Compare Register 3 B
17.11.22 OCR3CH and OCR3CL – Output Compare Register 3 C
17.11.23 OCR4AH and OCR4AL – Output Compare Register 4 A
17.11.24 OCR4BH and OCR4BL – Output Compare Register 4 B
17.11.25 OCR4CH and OCR4CL –Output Compare Register 4 C
17.11.26 OCR5AH and OCR5AL – Output Compare Register 5 A
2549N–AVR–05/11
Bit
(0x99)
(0x98)
Read/Write
Initial Value
Bit
(0x9B)
(0x9A)
Read/Write
Initial Value
Bit
(0x9D)
(0x9C)
Read/Write
Initial Value
Bit
(0xA9)
(0xA8)
Read/Write
Initial Value
Bit
(0xAA)
(0xAB)
Read/Write
Initial Value
Bit
(0xAD)
(0xAC)
Read/Write
Initial Value
Bit
(0x129)
(0x128)
Read/Write
Initial Value
R/W
R/W
R/W
R/W
R/W
R/W
R/W
7
0
7
0
7
0
7
0
7
0
7
0
7
0
R/W
R/W
R/W
R/W
R/W
R/W
R/W
6
0
6
0
6
0
6
0
6
0
6
0
6
0
ATmega640/1280/1281/2560/2561
R/W
R/W
R/W
R/W
R/W
R/W
R/W
5
0
5
0
5
0
5
0
5
0
5
0
5
0
R/W
R/W
R/W
R/W
R/W
R/W
R/W
4
0
4
0
4
0
4
0
4
0
4
0
4
0
OCR3A[15:8]
OCR3B[15:8]
OCR3C[15:8]
OCR4A[15:8]
OCR4B[15:8]
OCR4C[15:8]
OCR5A[15:8]
OCR3A[7:0]
OCR3B[7:0]
OCR3C[7:0]
OCR4A[7:0]
OCR4B[7:0]
OCR4C[7:0]
OCR5A[7:0]
R/W
R/W
R/W
R/W
R/W
R/W
R/W
3
0
3
0
3
0
3
0
3
0
3
0
3
0
R/W
R/W
R/W
R/W
R/W
R/W
R/W
2
0
2
0
2
0
2
0
2
0
2
0
2
0
R/W
R/W
R/W
R/W
R/W
R/W
R/W
1
0
1
0
1
0
1
0
1
0
1
0
1
0
R/W
R/W
R/W
R/W
R/W
R/W
R/W
0
0
0
0
0
0
0
0
0
0
0
0
0
0
OCR3AH
OCR3BH
OCR3CH
OCR4AH
OCR4BH
OCR4CH
OCR5AH
OCR3AL
OCR3BL
OCR3CL
OCR4AL
OCR4BL
OCR4CL
OCR5AL
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