ATmega48 Atmel Corporation, ATmega48 Datasheet - Page 30

• 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

12. Datasheet Revision History
12.1
12.2
12.3
12.4
12.5
30
Rev. 2545T-04/11
Rev. 2545S-07/10
Rev. 2545R-07/09
Rev. 2545Q-06/09
Rev. 2545P-02/09
ATmega48/88/168
Please note that the referring page numbers in this section are referred to this document. The
referring revision in this section are referring to the document revision.
1.
2.
3.
4.
1.
2.
1.
2.
1.
2.
1.
Updated the last page with the Atmel new addresses.
Ordering information has been updated by removing AI and MI and added AUR and
MUR (tape & reel).
Added and corrected cross references and short-cuts.
Document updated according to new Atmel standard.
QTouch Library Support Features
Note 6 and Note 7 in
been removed.
Document updated according to Atmel standard.
Updated
Removed the heading “About”. The subsections of this sectionis now separate sec-
tions, “Resources”, “Data Retention” and “About Code Examples”
Updated
Removed Power-off slope rate from
“Errata” on page
“Ordering information” on page
Table 28-5, “2-wire serial bus requirements.,” on page 307
22.
Table 28-3 on page
15.
306.
2545TS–AVR–05/11
have