ATmega325 Atmel Corporation, ATmega325 Datasheet - Page 28
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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
12.11 Rev. 2570D – 05/05
12.12 Rev. 2570C – 11/04
12.13 Rev. 2570B – 09/04
12.14 Rev. 2570A – 09/04
2570NS–AVR–05/11
1.
2.
3.
4.
5.
6.
7.
8.
9.
1.
2.
3.
4.
5.
6.
7.
8.
1.
1.
MLF-package alternative changed to “Quad Flat No-Lead/Micro Lead Frame
Package QFN/MLF”.
Added
Updated
Updated
Added
Updated
Updated algorithm
Added
Updated
“0 - 8MHz @ 2.7 - 5.5V; 0 - 16MHz @ 4.5 - 5.5V” on page 1
Table 9-8 on page 30
COM01:0 renamed COM0A1:0 in
85.
PRR-bit descripton added to
Serial Peripheral Interface” on page
“Part Number” on page 225
“Typical Characteristics” on page 306
“DC Characteristics” on page 297
“Alternate Functions of Port G” on page 76
Updated
Initial revision.
“Pin Change Interrupt Timing” on page
Figure 27-12 on page
“Supply Current of I/O modules” on page
“Signature Bytes” on page
Table 27-15 on page
Figure 23-9 on page 209
“Ordering Information” on page
“Ordering Information” on page
“Enter Programming Mode” on page
updated.
updated.
284.
282.
“16-bit Timer/Counter1” on page
updated.
and
“8-bit Timer/Counter0 with PWM” on page
268.
148, and
ATmega325/3250/645/6450
updated.
Figure 27-5 on page
17.
17.
updated.
“USART0” on page
55.
311.
271.
276.
updated.
157.
102,
“SPI –
28