ATmega1280 Atmel Corporation, ATmega1280 Datasheet - Page 4

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ATmega1280

Manufacturer Part Number
ATmega1280
Description
Manufacturer
Atmel Corporation
Datasheets

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

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Figure 1-3.
2549NS–AVR–05/11
(RXD0/PCINT8/PDI) PE0
(ICP3/CLKO/INT7) PE7
(OC2A/ PCINT4) PB4
(MOSI/ PCINT2) PB2
(MISO/ PCINT3) PB3
(OC1A/PCINT5) PB5
(OC1B/PCINT6) PB6
(SCK/ PCINT1) PB1
(OC3A/AIN1) PE3
(OC3C/INT5) PE5
(SS/PCINT0) PB0
(OC3B/INT4) PE4
(XCK0/AIN0) PE2
(TXD0/PDO) PE1
(T3/INT6) PE6
Pinout ATmega1281/2561
(OC0B) PG5
Note:
10
11
12
13
14
15
16
1
2
3
4
5
6
7
8
9
The large center pad underneath the QFN/MLF package is made of metal and internally con-
nected to GND. It should be soldered or glued to the board to ensure good mechanical stability. If
the center pad is left unconnected, the package might loosen from the board.
INDEX CORNER
ATmega640/1280/1281/2560/2561
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
PA3 (AD3)
PA4 (AD4)
PA5 (AD5)
PA6 (AD6)
PA7 (AD7)
PG2 (ALE)
PC7 (A15)
PC6 (A14)
PC5 (A13)
PC4 (A12)
PC3 (A11)
PC2 (A10)
PC1 (A9)
PC0 (A8)
PG1 (RD)
PG0 (WR)
4

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