ATmega48 Atmel Corporation, ATmega48 Datasheet - Page 375

• Manufacturer Part Number: ATmega48
• Manufacturer: Atmel Corporation

Specifications of ATmega48

• 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: No
• Crypto Engine: No
• Sram (kbytes): 0.5
• Eeprom (bytes): 256
• Self Program Memory: NO
• 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

2545T–AVR–05/11
31 Register summary ................................................................................ 343
32 Instruction set summary ..................................................................... 347
33 Ordering information ........................................................................... 350
34 Packaging information ........................................................................ 353
35 Errata ..................................................................................................... 357
36 Datasheet revision history .................................................................. 364
30.4Power-down supply current .................................................................................323
30.5Power-save supply current ..................................................................................324
30.6Standby supply current ........................................................................................324
30.7Pin pull-up ...........................................................................................................325
30.8Pin driver strength ...............................................................................................327
30.9Pin thresholds and hysteresis .............................................................................330
30.10BOD thresholds and analog comparator offset .................................................333
30.11Internal oscillator speed ....................................................................................336
30.12Current consumption of peripheral units ...........................................................338
30.13Current consumption in reset and reset pulse width .........................................341
33.1Atmel ATmega48 .................................................................................................350
33.2Atmel ATmega88 .................................................................................................351
33.3Atmel ATmega168 ...............................................................................................352
34.132A ......................................................................................................................353
34.228M1 ...................................................................................................................354
34.332M1-A ................................................................................................................355
34.428P3 ....................................................................................................................356
35.1Errata Atmel ATmega48 ......................................................................................357
35.2Errata Atmel ATmega88 ......................................................................................360
35.3Errata Atmel ATmega168 ....................................................................................361
36.1Rev. 2545T-04/11 ................................................................................................364
36.2Rev. 2545S-07/10 ...............................................................................................364
36.3Rev. 2545R-07/09 ...............................................................................................364
36.4Rev. 2545Q-06/09 ...............................................................................................364
36.5Rev. 2545P-02/09 ...............................................................................................364
36.6Rev. 2545O-02/09 ...............................................................................................365
36.7Rev. 2545N-01/09 ...............................................................................................365
36.8Rev. 2545M-09/07 ...............................................................................................365
ATmega48/88/168
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