ATmega1284 Atmel Corporation, ATmega1284 Datasheet - Page 578

• Manufacturer Part Number: ATmega1284
• Manufacturer: Atmel Corporation

Specifications of ATmega1284

• Flash (kbytes): 128 Kbytes
• Pin Count: 44
• Max. Operating Frequency: 20 MHz
• Cpu: 8-bit AVR
• # Of Touch Channels: 16
• Hardware Qtouch Acquisition: No
• Max I/o Pins: 32
• Ext Interrupts: 32
• 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): 16
• 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: 3
• Output Compare Channels: 6
• Input Capture Channels: 1
• Pwm Channels: 6
• 32khz Rtc: Yes
• Calibrated Rc Oscillator: Yes

8272C–AVR–06/11
14 I/O-Ports .................................................................................................. 72
15 8-bit Timer/Counter0 with PWM ............................................................ 93
16 16-bit Timer/Counter1 and Timer/Counter3 with PWM ..................... 111
17 8-bit Timer/Counter2 with PWM and Asynchronous Operation ...... 142
13.1Overview ...............................................................................................................67
13.2Register Description ..............................................................................................67
14.1Overview ...............................................................................................................72
14.2Ports as General Digital I/O ...................................................................................73
14.3Alternate Port Functions ........................................................................................78
14.4Register Description ..............................................................................................91
15.1Features ................................................................................................................93
15.2Overview ...............................................................................................................93
15.3Timer/Counter Clock Sources ...............................................................................94
15.4Counter Unit ..........................................................................................................94
15.5Output Compare Unit ............................................................................................95
15.6Compare Match Output Unit ..................................................................................97
15.7Modes of Operation ...............................................................................................98
15.8Timer/Counter Timing Diagrams .........................................................................102
15.9Register Description ............................................................................................104
16.1Features ..............................................................................................................111
16.2Overview .............................................................................................................111
16.3Accessing 16-bit Registers ..................................................................................113
16.4Timer/Counter Clock Sources .............................................................................116
16.5Counter Unit ........................................................................................................117
16.6Input Capture Unit ...............................................................................................118
16.7Output Compare Units .........................................................................................120
16.8Compare Match Output Unit ................................................................................122
16.9Modes of Operation .............................................................................................123
16.10Timer/Counter Timing Diagrams .......................................................................130
16.11Register Description ..........................................................................................132
17.1Features ..............................................................................................................142
17.2Overview .............................................................................................................142
17.3Timer/Counter Clock Sources .............................................................................143
17.4Counter Unit ........................................................................................................144
17.5Output Compare Unit ..........................................................................................144
ATmega164A/PA/324A/PA/644A/PA/1284/P
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