ATmega325 Atmel Corporation, ATmega325 Datasheet - Page 19

• 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

9.3
Notes:
2570NS–AVR–05/11
64A
64M1
Speed (MHz)
ATmega645
1. This device can also be supplied in wafer form. Please contact your local Atmel sales office for detailed ordering information
2. Pb-free packaging alternative, complies to the European Directive for Restriction of Hazardous Substances (RoHS direc-
3. For Speed Grades see
4. Tape & Reel
16
8
and minimum quantities.
tive). Also Halide free and fully Green.
(3)
64-lead, 14 x 14 x 1.0mm, Thin Profile Plastic Quad Flat Package (TQFP)
64-pad, 9 x 9 x 1.0mm, Quad Flat No-Lead/Micro Lead Frame Package (QFN/MLF)
Power Supply
1.8 - 5.5V
2.7 - 5.5V
Figure 28-1 on page 299
Ordering Code
ATmega645V-8AU
ATmega645V-8AUR
ATmega645V-8MU
ATmega645V-8MUR
ATmega645-16AU
ATmega645-16AUR
ATmega645-16MU
ATmega645-16MUR
Package Type
and
Figure 28-2 on page
(2)
(4)
(4)
(4)
(4)
ATmega325/3250/645/6450
Package Type
64A
64A
64M1
64M1
64A
64A
64M1
64M1
299.
(1)
Operational Range
(-4
0°C to 85°C)
Industrial
19