ATmega1280R212 Atmel Corporation, ATmega1280R212 Datasheet - Page 441
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ATmega1280R212
Manufacturer Part Number
ATmega1280R212
Description
Manufacturer
Atmel Corporation
Specifications of ATmega1280R212
Flash (kbytes)
128 Kbytes
Max. Operating Frequency
16 MHz
Max I/o Pins
86
Spi
5
Twi (i2c)
1
Uart
4
Adc Channels
16
Adc Resolution (bits)
10
Adc Speed (ksps)
15
Analog Comparators
1
Crypto Engine
AES
Sram (kbytes)
8
Eeprom (bytes)
4096
Operating Voltage (vcc)
1.8 to 3.6
Timers
6
Frequency Band
700/800/900MHz
Max Data Rate (mb/s)
1
Antenna Diversity
No
External Pa Control
Yes
Power Output (dbm)
10
Receiver Sensitivity (dbm)
-110
Receive Current Consumption (ma)
9.0
Transmit Current Consumption (ma)
18 at 5dBm
Link Budget (dbm)
120
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2549N–AVR–05/11
11 Power Management and Sleep Modes ................................................. 52
12 System Control and Reset .................................................................... 59
13 I/O-Ports .................................................................................................. 70
14 Interrupts .............................................................................................. 105
10.2
10.3
10.4
10.5
10.6
10.7
10.8
10.9
10.10
10.11
10.12
10.13
11.1
11.2
11.3
11.4
11.5
11.6
11.7
11.8
11.9
11.10
12.1
12.2
12.3
12.4
12.5
13.1
13.2
13.3
13.4
Clock Systems and their Distribution ...............................................................40
Clock Sources .................................................................................................41
Low Power Crystal Oscillator ...........................................................................42
Full Swing Crystal Oscillator ............................................................................44
Low Frequency Crystal Oscillator ....................................................................45
Calibrated Internal RC Oscillator .....................................................................46
128 kHz Internal Oscillator ..............................................................................47
External Clock .................................................................................................48
Clock Output Buffer .........................................................................................49
Timer/Counter Oscillator ..................................................................................49
System Clock Prescaler ..................................................................................49
Register Description ........................................................................................50
Sleep Modes ....................................................................................................52
Idle Mode .........................................................................................................52
ADC Noise Reduction Mode ............................................................................53
Power-down Mode ...........................................................................................53
Power-save Mode ............................................................................................53
Standby Mode .................................................................................................54
Extended Standby Mode .................................................................................54
Power Reduction Register ...............................................................................54
Minimizing Power Consumption ......................................................................54
Register Description ........................................................................................56
Resetting the AVR ...........................................................................................59
Reset Sources .................................................................................................59
Internal Voltage Reference ..............................................................................62
Watchdog Timer ..............................................................................................63
Register Description ........................................................................................67
Introduction ......................................................................................................70
Ports as General Digital I/O .............................................................................71
Alternate Port Functions ..................................................................................75
Register Description for I/O-Ports ..................................................................100
ATmega640/1280/1281/2560/2561
ii
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