ATMEGA325A-MU Atmel, ATMEGA325A-MU Datasheet - Page 386

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

Specifications of ATMEGA325A-MU

• 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-VFQFN Exposed Pad
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

386
ATmega165A/165PA/325A/325PA/3250A/3250PA/645A/645P/645
Figure 29-103.ATmega165PA: BOD Thresholds vs. Temperature (BOD Level is 2.7V)
Figure 29-104.ATmega165PA: BOD Thresholds vs. Temperature (BOD Level is 1.8V)
2.767
2.752
2.737
2.722
2.707
2.692
2.677
2.662
1.831
1.826
1.821
1.816
1.811
1.806
1.801
1.796
1.791
1.786
-45
-45
-35
-35
-25
-25
-15
-15
-5
-5
Rising Vcc
5
5
Temperature (°C)
Falling Vcc
Temperature (°C)
Rising Vcc
15
15
25
25
Falling Vcc
35
35
45
45
55
55
65
65
75
75
85
85
8285B–AVR–03/11