ATMEGA325A-AUR Atmel, ATMEGA325A-AUR Datasheet - Page 388

• 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

388
ATmega165A/165PA/325A/325PA/3250A/3250PA/645A/645P/645
Figure 29-107.ATmega165PA: Analog Comparator Offset Voltage vs. Common Mode Voltage
Figure 29-108.ATmega165PA: Analog Comparator Offset Voltage vs. Common Mode Voltage
0.0025
0.0015
0.0005
0.007
0.006
0.005
0.004
0.003
0.002
0.001
0.003
0.002
0.001
0
0
0.1
0
(V
(V
CC
CC
0.5
= 5V)
= 2.7V)
0.3
0.9
0.6
1.3
0.9
1.7
Common Mode Voltage (V)
Common Mode Voltage (V)
2.1
1.2
2.5
1.5
2.9
1.8
3.3
3.7
2.1
4.1
2.4
4.5
2.7
4.9
-40 °C
8285B–AVR–03/11
-40 °C
85 °C
25 °C
85 °C
25 °C