ATmega329 Atmel Corporation, ATmega329 Datasheet - Page 27

• Manufacturer Part Number: ATmega329
• Manufacturer: Atmel Corporation

Specifications of ATmega329

• 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
• Segment Lcd: 100
• 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

11. Datasheet Revision History
11.1
11.2
11.3
11.4
2552KS–AVR–04/11
Rev. 2552K – 04/11
Rev. 2552J – 08/07
Rev. 2552I – 04/07
Rev. 2552H – 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.
3.
4.
5.
6.
7.
1.
2.
3.
4.
5.
6.
1.
2.
1.
2.
Removed “Preliminary” from the front page.
Removed “Disclaimer Section” from the datasheet.
Updated
Updated
Updated
The “AI” and “MI” devices removed.
Updated
Updated the datasheet according to the Atmel new brand style guide, including
the last page.
Updated
Added
Updated
Updated
Updated
Moved Register Descriptions to the end of each chapter.
Updated date in backpage
Updated column in
Updated
Updated note in
“Data Retention” on page
Table 28-5 on page 330 “BODLEVEL Fuse Coding(1)”
Table 28-8 on page 334 “LCD Controller Characteristics”
“Ordering Information” on page 372
“Errata” on page
“Features” on page
“Serial Programming Algorithm” on page
“Speed Grades” on page
“System and Reset Characteristics” on page
Table 28-7 on page
Table 28-7 on page 333
Table 28-5 on page
379.
1.
333.
9.
328.
ATmega329/3290/649/6490
330.
and
to include “Tape & Reel” devices.
Table 28-2 on page
309.
330.
.
.
329.
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