ATMEGA328-MU Atmel, ATMEGA328-MU Datasheet - Page 526

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

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 29-366.ATmega328P: Calibrated 8 MHz RC Oscillator Frequency vs. V
Figure 29-367.ATmega328P: Calibrated 8 MHz RC Oscillator Frequency vs. Temperature
ATmega48A/48PA/88A/88PA/168A/168PA/328/328
8.4
8.3
8.2
8.1
7.9
7.8
7.7
7.6
8.4
8.2
7.8
7.6
7.4
8
8
-50
1.5
-40
-30
2
-20
2.5
-10
0
3
10
Temperature (°C)
20
V
CC (V)
3.5
30
40
4
50
60
4.5
70
80
5
CC
90
100
5.5
-40 °C
5.0 V
3.0 V
85 °C
25 °C
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