ATmega1284P Atmel Corporation, ATmega1284P Datasheet - Page 581

• Manufacturer Part Number: ATmega1284P
• Manufacturer: Atmel Corporation

Specifications of ATmega1284P

• 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: Yes
• 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
26 Boot Loader Support – Read-While-Write Self-Programming ......... 279
27 Memory Programming ......................................................................... 297
28 Electrical Characteristics .................................................................... 329
25.1Features ..............................................................................................................269
25.2Overview .............................................................................................................269
25.3Data Registers .....................................................................................................270
25.4Boundary-scan Specific JTAG Instructions .........................................................271
25.5Boundary-scan Chain ..........................................................................................272
25.6ATmega164A/164PA/324A/324PA/644A/644PA/1284/1284P Boundary-scan Order
25.7Boundary-scan Description Language Files ........................................................277
25.8Register Description ............................................................................................278
26.1Features ..............................................................................................................279
26.2Overview .............................................................................................................279
26.3Application and Boot Loader Flash Sections .......................................................279
26.4Read-While-Write and No Read-While-Write Flash Sections ..............................280
26.5Boot Loader Lock Bits .........................................................................................282
26.6Entering the Boot Loader Program ......................................................................283
26.7Addressing the Flash During Self-Programming .................................................284
26.8Self-Programming the Flash ................................................................................285
26.9Register Description ............................................................................................295
27.1Program And Data Memory Lock Bits .................................................................297
27.2Fuse Bits .............................................................................................................298
27.3Signature Bytes ...................................................................................................300
27.4Calibration Byte ...................................................................................................300
27.5Page Size ............................................................................................................300
27.6Parallel Programming Parameters, Pin Mapping, and Commands .....................301
27.7Parallel Programming ..........................................................................................303
27.8Serial Downloading .............................................................................................312
27.9Serial Programming Instruction set .....................................................................314
27.10Programming via the JTAG Interface ................................................................316
28.1DC Characteristics ..............................................................................................329
28.2Speed Grades .....................................................................................................335
28.3Clock Characteristics ...........................................................................................336
28.4System and Reset Characteristics ......................................................................337
ATmega164A/PA/324A/PA/644A/PA/1284/P
275
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