ATMEGA328-MU Atmel, ATMEGA328-MU Datasheet - Page 449

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ATMEGA328-MU

Manufacturer Part Number
ATMEGA328-MU
Description
IC MCU AVR 32K FLASH 32QFN
Manufacturer
Atmel
Series
AVR® ATmegar
Datasheets

Specifications of ATMEGA328-MU

Core Processor
AVR
Core Size
8-Bit
Speed
20MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
23
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
32-VQFN Exposed Pad, 32-HVQFN, 32-SQFN, 32-DHVQFN
Processor Series
ATMEGA32x
Core
AVR
Data Bus Width
8 bit
Data Ram Size
2 KB
Interface Type
2-Wire, SPI, USART
Maximum Clock Frequency
20 MHz
Number Of Programmable I/os
23
Number Of Timers
3
Operating Supply Voltage
1.8 V to 5.5 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit, 8 Channel
Operating Temperature Range
- 40 C to + 85 C
Processor To Be Evaluated
ATMEGA328
Supply Current (max)
0.2 mA
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
8271C–AVR–08/10
Figure 29-221.ATmega168A: BOD Thresholds vs. Temperature (BODLEVEL is 4.3 V)
Figure 29-222.ATmega168A: Bandgap Voltage vs. V
ATmega48A/48PA/88A/88PA/168A/168PA/328/328
1.135
1.133
1.131
1.129
1.127
1.125
1.123
1.121
1.119
1.117
1.115
4.34
4.32
4.28
4.26
4.24
4.22
4.3
4.2
1.5
-50
-40
2
-30
-20
2.5
-10
0
3
Temperature (°C)
10
Falling Vcc
Rising Vcc
Vcc (V)
3.5
20
30
CC
4
40
50
4.5
60
70
5
80
5.5
90
-40 °C
85 °C
25 °C
449

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