ATmega1281 Atmel Corporation, ATmega1281 Datasheet - Page 446
ATmega1281
Manufacturer Part Number
ATmega1281
Description
Manufacturer
Atmel Corporation
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
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
ATmega1281-8MC
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
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2549N–AVR–05/11
33 Register Summary ............................................................................... 411
34 Instruction Set Summary .................................................................... 416
35 Ordering Information ........................................................................... 419
36 Packaging Information ........................................................................ 424
37 Errata ..................................................................................................... 428
32.1
32.2
32.3
32.4
32.5
32.6
32.7
32.8
32.9
32.10
32.11
32.12
35.1
35.2
35.3
35.4
35.5
36.1
36.2
36.3
36.4
37.1
37.2
37.3
37.4
37.5
37.6
37.7
37.8
Active Supply Current ....................................................................................385
Idle Supply Current ........................................................................................388
Power-down Supply Current ..........................................................................392
Power-save Supply Current ...........................................................................393
Standby Supply Current ................................................................................394
Pin Pull-up .....................................................................................................394
Pin Driver Strength ........................................................................................397
Pin Threshold and Hysteresis ........................................................................399
BOD Threshold and Analog Comparator Offset ............................................402
Internal Oscillator Speed ...............................................................................404
Current Consumption of Peripheral Units ......................................................406
Current Consumption in Reset and Reset Pulsewidth ..................................409
ATmega640 ...................................................................................................419
ATmega1280 .................................................................................................420
ATmega1281 .................................................................................................421
ATmega2560 .................................................................................................422
ATmega2561 .................................................................................................423
100A ..............................................................................................................424
100C1 ............................................................................................................425
64A ................................................................................................................426
64M2 ..............................................................................................................427
ATmega640 rev. B .........................................................................................428
ATmega640 rev. A .........................................................................................428
ATmega1280 rev. B .......................................................................................428
ATmega1280 rev. A .......................................................................................429
ATmega1281 rev. B .......................................................................................429
ATmega1281 rev. A .......................................................................................430
ATmega2560 rev. F .......................................................................................430
ATmega2560 rev. E .......................................................................................430
ATmega640/1280/1281/2560/2561
vii
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