ATmega325 Atmel Corporation, ATmega325 Datasheet - Page 19
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ATmega325
Manufacturer Part Number
ATmega325
Description
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
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
ATmega325-16AI
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
Company:
Part Number:
ATmega325-16AU
Manufacturer:
ATMEL
Quantity:
231
Part Number:
ATmega325-16AU
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
Part Number:
ATmega3250-16AI
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
Part Number:
ATmega3250-16AU
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
Part Number:
ATmega3250P-16AU
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
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