ATmega1284 Atmel Corporation, ATmega1284 Datasheet - Page 582
ATmega1284
Manufacturer Part Number
ATmega1284
Description
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
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8272C–AVR–06/11
29 Typical Characteristics ........................................................................ 344
30 Register Summary ............................................................................... 553
31 Instruction Set Summary .................................................................... 557
32 Ordering Information ........................................................................... 560
33 Packaging Information ........................................................................ 568
34 Errata ..................................................................................................... 573
28.5External Interrupts Characteristics ......................................................................337
28.6SPI Timing Characteristics ..................................................................................338
28.72-wire Serial Interface Characteristics .................................................................339
28.8ADC Characteristics ............................................................................................341
29.1ATmega164A Typical Characteristics .................................................................345
29.2ATmega164PA Typical Characteristics ...............................................................371
29.3ATmega324A Typical Characteristics .................................................................397
29.4ATmega324PA Typical Characteristics ...............................................................423
29.5ATmega644A Typical Characteristics .................................................................449
29.6ATmega644PA Typical Characteristics ...............................................................475
29.7ATmega1284 Typical Characteristics ..................................................................501
29.8ATmega1284P Typical Characteristics ...............................................................527
32.1ATmega164A ......................................................................................................560
32.2ATmega164PA ....................................................................................................561
32.3ATmega324A ......................................................................................................562
32.4ATmega324PA ....................................................................................................563
32.5ATmega644A ......................................................................................................564
32.6ATmega644PA ....................................................................................................565
32.7ATmega1284 .......................................................................................................566
32.8ATmega1284P ....................................................................................................567
33.144A ......................................................................................................................568
33.240P6 ....................................................................................................................569
33.344M1 ...................................................................................................................570
33.444MC ...................................................................................................................571
33.549C2 ...................................................................................................................572
34.1Errata for ATmega164A ......................................................................................573
34.2Errata for ATmega164PA ....................................................................................573
34.3Errata for ATmega324A ......................................................................................573
ATmega164A/PA/324A/PA/644A/PA/1284/P
vii
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