ATMEGA325A-MU Atmel, ATMEGA325A-MU Datasheet - Page 396

• 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

396
ATmega165A/165PA/325A/325PA/3250A/3250PA/645A/645P/645
Figure 29-123.ATmega165PA: Reset Supply Current vs. V
Figure 29-124.ATmega165PA: Minimum Reset Pulse Width vs. V
2400
2000
1600
1200
800
400
2.1
1.8
1.5
1.2
0.9
0.6
0.3
0
0
1.5
0
Through The Reset Pull-up)
2
2
2.5
4
1.8 V
3
6
Frequency (MHz)
V
CC
3.5
8
(V)
2.7 V
10
4
3.3 V
CC
(1 - 16MHz, Excluding Current
4.5
12
CC
14
5
4.0 V
5.5
16
8285B–AVR–03/11
-45 °C
5.5 V
5.0 V
4.5 V
85 °C
25 °C