ATmega325 Atmel Corporation, ATmega325 Datasheet - Page 353

• 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

35.6
35.7
35.8
35.9
35.10 Rev. 2570E – 03/06
2570N–AVR–05/11
Rev. 2570I – 07/06
Rev. 2570H – 06/06
Rev. 2570G – 04/06
Rev. 2570F – 03/06
1.
2.
3.
4.
5.
6.
1.
2.
3.
1.
1.
1.
2.
3.
4.
5.
6.
7.
8.
9.
10
11.
12.
13.
Updated
Updated
124,
144.
Updated
Updated Features in
Added
Updated
Updated
Updated
Added
Updated
Updated
Added Addresses in Register Descriptions.
Updated number of Genearl Purpose I/O pins.
Correction of Bitnames in
Added
Updated
Updated
Updated Introduction in
Updated
Updated
Updated Features in
Updated
Updated
262.
Updated
Table 17-5 on page
“Clock speed considerations.” on page
Table 28-2 on page
“Resources” on page
Table 15-6 on page
“Fast PWM Mode” on page
“Errata” on page
“Calibrated Internal RC Oscillator” on page
“OSCCAL – Oscillator Calibration Register” on page
“Calibrated Internal RC Oscillator” on page
“Errata” on page
“Power Management and Sleep Modes” on page
“Bit 0 – IVCE: Interrupt Vector Change Enable” on page
19.“SPI – Serial Peripheral Interface” on page
“Bit 6 – ACBG: Analog Comparator Bandgap Select” on page
“Prescaling and Conversion Timing” on page
“Atmel ATmega325/3250/645/6450 Boot Loader Parameters” on page
“DC Characteristics” on page
Table 15-2 on page
“USI – Universal Serial Interface” on page
“Analog to Digital Converter” on page
“I/O-Ports” on page
125,
“Register Summary” on page
350.
350.
300.
9.
92.
97,
Table 18-2 on page 143
Table 15-4 on page
115.
ATmega325/3250/645/6450
297.
60.
191.
29.
29.
204.
97,
and
148.
336.
35.
Table 17-3 on page
201.
Table 18-4 on page
32.
185.
54.
199.
353