ATmega48PA Atmel Corporation, ATmega48PA Datasheet - Page 564

• Manufacturer Part Number: ATmega48PA
• Manufacturer: Atmel Corporation

Specifications of ATmega48PA

• Flash (kbytes): 4 Kbytes
• Pin Count: 32
• Max. Operating Frequency: 20 MHz
• Cpu: 8-bit AVR
• # Of Touch Channels: 12
• Hardware Qtouch Acquisition: No
• Max I/o Pins: 23
• Ext Interrupts: 24
• Usb Speed: No
• Usb Interface: No
• Spi: 2
• Twi (i2c): 1
• Uart: 1
• 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: Yes
• Crypto Engine: No
• Sram (kbytes): 0.5
• Eeprom (bytes): 256
• Self Program Memory: NO
• 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

8271D–AVR–05/11
26 Self-Programming the Flash, ATmega 48A/48PA ............................. 271
27 Boot Loader Support – Read-While-Write Self-Programming ......... 280
28 Memory Programming ......................................................................... 297
29 Electrical Characteristics .................................................................... 317
30 Typical Characteristics ........................................................................ 332
26.1Overview .............................................................................................................271
26.2Addressing the Flash During Self-Programming .................................................272
26.3Register Description ............................................................................................278
27.1Features ..............................................................................................................280
27.2Overview .............................................................................................................280
27.3Application and Boot Loader Flash Sections .......................................................280
27.4Read-While-Write and No Read-While-Write Flash Sections ..............................281
27.5Boot Loader Lock Bits .........................................................................................283
27.6Entering the Boot Loader Program ......................................................................284
27.7Addressing the Flash During Self-Programming .................................................285
27.8Self-Programming the Flash ................................................................................285
27.9Register Description ............................................................................................295
28.1Program And Data Memory Lock Bits .................................................................297
28.2Fuse Bits .............................................................................................................298
28.3Signature Bytes ...................................................................................................301
28.4Calibration Byte ...................................................................................................302
28.5Page Size ............................................................................................................302
28.6Parallel Programming Parameters, Pin Mapping, and Commands .....................303
28.7Parallel Programming ..........................................................................................305
28.8Serial Downloading .............................................................................................312
29.1Absolute Maximum Ratings* ...............................................................................317
29.2DC Characteristics ..............................................................................................317
29.3Speed Grades .....................................................................................................322
29.4Clock Characteristics ...........................................................................................323
29.5System and Reset Characteristics ......................................................................324
29.6SPI Timing Characteristics ..................................................................................325
29.7Two-wire Serial Interface Characteristics ............................................................327
29.8ADC Characteristics ............................................................................................329
29.9Parallel Programming Characteristics .................................................................330
30.1ATmega48A Typical Characteristics ...................................................................333
ATmega48A/PA/88A/PA/168A/PA/328/P
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