ATMEGA325A-MU Atmel, ATMEGA325A-MU Datasheet - Page 445

• 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

29.4.9
8285B–AVR–03/11
Pin Thresholds and Hysteresis
ATmega165A/165PA/325A/325PA/3250A/3250PA/6
Figure 29-217.ATmega325PA: I/O Pin Output Voltage vs. Sink Current, Port B (V
Figure 29-218.ATmega325PA: I/O Pin Input Threshold Voltage vs. V
0.55
0.45
0.35
0.25
0.15
0.05
2.7
2.4
2.1
1.8
1.5
1.2
0.9
0.6
0.5
0.4
0.3
0.2
0.1
3
0
1.5
0
0.5
2
1
2.5
1.5
2
3
2.5
I
V
OL
CC
3.5
[mA]
3
(V)
3.5
4
4
4.5
4.5
CC
5
(V
5
IH
5.5
, I/O Pin Read as “1”)
5.5
6
CC
-40°C
-40 °C
85°C
25°C
25 °C
85 °C
= 1.8V)
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