ATMEGA325A-MU Atmel, ATMEGA325A-MU Datasheet - Page 544
![IC MCU AVR 32K FLASH 64VQFN](/photos/12/13/121326/313-64-qfn_sml.jpg)
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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29.7.11
544
ATmega165A/165PA/325A/325PA/3250A/3250PA/645A/645P/645
Internal Oscillator Speed
Figure 29-409.ATmega645A: Bandgap Voltage vs. Temperature
Figure 29-410.ATmega645A: Watchdog Oscillator Frequency vs. V
1.108
1.106
1.104
1.102
1.098
1.096
1.094
1.092
1290
1260
1230
1200
1170
1140
1110
1080
1050
1.11
1.1
1.5
-45
-35
2
-25
-15
2.5
-5
3
5
Temperature (°C)
15
V
CC
3.5
(V)
25
35
3.3 V
4
45
4.5
55
CC
65
5
75
5.5
85
8285B–AVR–03/11
-45 °C
1.8 V
5.0 V
5.5 V
25 °C
85 °C
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