ATMEGA325A-AUR Atmel, ATMEGA325A-AUR Datasheet - Page 382

• 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

29.2.9
382
ATmega165A/165PA/325A/325PA/3250A/3250PA/645A/645P/645
Pin Thresholds and Hysteresis
Figure 29-95. ATmega165PA: I/O Pin Output Voltage vs. Sink Current, Port B (V
Figure 29-96. ATmega165PA: I/O Pin Input Threshold Voltage vs. V
3.1
2.9
2.7
2.5
2.3
2.1
1.9
1.7
1.5
1.3
1.1
0.9
0.5
0.4
0.3
0.2
0.1
0
1.5
0
2
1
2.5
2
3
I
V
OL
CC
3.5
(mA)
3
(V)
4
4
4.5
CC
5
(V
5
IH
, I/O Pin Read as “1”)
5.5
CC
6
8285B–AVR–03/11
-45 °C
-45 °C
85 °C
25 °C
85 °C
25 °C
= 1.8V)