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