ATMEGA325A-MU Atmel, ATMEGA325A-MU Datasheet - Page 436

• 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

29.4.7
436
ATmega165A/165PA/325A/325PA/3250A/3250PA/645A/645P/645
Pin Pull-up
Figure 29-199.ATmega325PA: Standby Supply Current vs. V
Figure 29-200.ATmega325PA: I/O Pin Pull-up Resistor Current vs. Input Voltage (V
0.13
0.11
0.09
0.07
0.05
0.03
0.01
160
140
120
100
80
60
40
20
0
1.5
0
dog Timer Disabled)
0.5
2
1
2.5
1.5
2
3
2.5
V
V
CC
3.5
OP
(V)
[V]
3
4
3.5
4
CC
4.5
(Xtall and Resonator, Watch-
4.5
5
5
5.5
5.5
450kHz_res
6MHz_xtal
6MHz_res
4MHz_xtal
4MHz_res
2MHz_res
2MHz_xtal
1MHz_res
8285B–AVR–03/11
-40 °C
25 °C
85 °C
CC
= 5V)