ATmega325 Atmel Corporation, ATmega325 Datasheet - Page 26

• Manufacturer Part Number: ATmega325
• Manufacturer: Atmel Corporation

Specifications of ATmega325

• Flash (kbytes): 32 Kbytes
• Pin Count: 64
• Max. Operating Frequency: 16 MHz
• Cpu: 8-bit AVR
• # Of Touch Channels: 16
• Hardware Qtouch Acquisition: No
• Max I/o Pins: 54
• Ext Interrupts: 17
• 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): 2
• Eeprom (bytes): 1024
• 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: 4
• Input Capture Channels: 1
• Pwm Channels: 4
• 32khz Rtc: Yes
• Calibrated Rc Oscillator: Yes

12. Datasheet Revision History
12.1
12.2
12.3
12.4
12.5
2570NS–AVR–05/11
Rev. 2570N – 05/11
Rev. 2570M – 04/11
Rev. 2570L – 08/07
Rev. 2570K – 04/07
Rev. 2570J – 11/06
Please note that the referring page numbers in this section are referring to this document. The
referring revision in this section are referring to the document revision.
1.
2.
1.
2.
3.
4.
5.
6.
1.
2.
3.
4.
5.
6.
1.
1.
2.
Removed “Preliminary” from the front page
Removed “Disclaimer” section from the datasheet
Updated
Updated
devices. Removed “AI” and “MI” devices.
Updated
Updated the datasheet according to the Atmel new drand style guide, including
the last page.
Updated
Added
Updated
Updated
Updated
Updated the Register Description at the end of each chapter.
Updated
Updated
Updated note in
Added Atmel QTouch Library Support and QTouch Sensing Capablity Features.
Updated the last page with Atmel
“Data Retention” on page 9
Table 28-5 on page 301 “BODLEVEL Fuse Coding(1)”
“Errata” on page
“Features” on page
“Serial Programming Algorithm” on page
“Speed Grades” on page
“System and Reset Characteristics” on page
“Errata” on page
Table 28-7 on page
“Ordering Information” on page 17
Table 28-7 on page
24.
24.
1.
304.
®
trademarks and Microsft Windows
299.
304.
ATmega325/3250/645/6450
to include the “Tape & Reel”
281.
301.
®
trademarks.
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