ATMEGA325A-AUR Atmel, ATMEGA325A-AUR Datasheet - Page 354

• 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

354
ATmega165A/165PA/325A/325PA/3250A/3250PA/645A/645P/645
Figure 29-42. ATmega165A: BOD Thresholds vs. Temperature (BOD Level is 1.8V)
Figure 29-43. ATmega165A: Bandgap Voltage vs. V
1.831
1.826
1.821
1.816
1.811
1.806
1.801
1.796
1.791
1.786
1.105
1.095
1.085
1.075
1.065
1.09
1.08
1.07
1.1
-45
1.5
-35
2
-25
-15
2.5
-5
Rising Vcc
3
5
Temperature (°C)
15
Vcc (V)
3.5
25
Falling Vcc
CC
35
4
45
4.5
55
65
5
75
85
5.5
8285B–AVR–03/11
-45 °C
85 °C
25 °C