ATMEGA325A-AUR Atmel, ATMEGA325A-AUR Datasheet - Page 418

• Manufacturer Part Number: ATMEGA325A-AUR
• Description: IC MCU AVR 32K FLASH 64TQFP
• Manufacturer: Atmel
• Series: AVR® ATmegar

Specifications of ATMEGA325A-AUR

• Core Processor: AVR
• Core Size: 8-Bit
• Speed: 20MHz
• Connectivity: SPI, UART/USART, USI
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 54
• Program Memory Size: 32KB (16K x 16)
• Program Memory Type: FLASH
• Eeprom Size: 1K x 8
• Ram Size: 2K x 8
• Voltage - Supply (vcc/vdd): 1.8 V ~ 5.5 V
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 64-TQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

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ATmega165A/165PA/325A/325PA/3250A/3250PA/645A/645P/645
Figure 29-165.ATmega325A: BOD Thresholds vs. Temperature (BOD Level is 2.7V)
Figure 29-166.ATmega325A: BOD Thresholds vs. Temperature (BOD Level is 1.8V)
2.775
2.725
2.675
1.835
1.825
1.815
1.805
1.795
1.785
2.75
2.65
2.7
-40
-40
-30
-30
-20
-20
-10
-10
0
0
10
10
Temperature [°C]
Temperature [°C]
Rising Vcc
Falling Vcc
20
20
Rising Vcc
Falling Vcc
30
30
40
40
50
50
60
60
70
70
80
80
90
90
8285B–AVR–03/11