ATmega1281 Atmel Corporation, ATmega1281 Datasheet - Page 21

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ATmega1281

Manufacturer Part Number
ATmega1281
Description
Manufacturer
Atmel Corporation
Datasheets

Specifications of ATmega1281

Flash (kbytes)
128 Kbytes
Pin Count
64
Max. Operating Frequency
16 MHz
Cpu
8-bit AVR
# Of Touch Channels
16
Hardware Qtouch Acquisition
No
Max I/o Pins
54
Ext Interrupts
17
Usb Speed
No
Usb Interface
No
Spi
3
Twi (i2c)
1
Uart
2
Graphic Lcd
No
Video Decoder
No
Camera Interface
No
Adc Channels
8
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
2
Pwm Channels
8
32khz Rtc
Yes
Calibrated Rc Oscillator
Yes

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9.2
Notes:
2549NS–AVR–05/11
100A
100C1
Speed (MHz)
ATmega1280
16
1. This device can also be supplied in wafer form. Please contact your local Atmel sales office for detailed ordering information
2. See
3. Pb-free packaging, complies to the European Directive for Restriction of Hazardous Substances (RoHS directive). Also
4. Tape & Reel
8
and minimum quantities.
Halide free and fully Green.
(2)
“Speed Grades” on page
100-lead, Thin (1.0mm) Plastic Gull Wing Quad Flat Package (TQFP)
100-ball, Chip Ball Grid Array (CBGA)
Power Supply
1.8V - 5.5V
2.7V - 5.5V
369.
ATmega1280V-8AU
ATmega1280V-8AUR
ATmega1280V-8CU
ATmega1280V-8CUR
ATmega1280-16AU
ATmega1280-16AUR
ATmega1280-16CU
ATmega1280-16CUR
Ordering Code
Package Type
ATmega640/1280/1281/2560/2561
(4)
(4)
(4)
(4)
100A
100A
100C1
100C1
100A
100A
100C1
100C1
Package
(1)(3)
Industrial (-40°C to 85°C)
Operation Range
21

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