ATMEGA32U4-MUR Atmel, ATMEGA32U4-MUR Datasheet - Page 404

• Manufacturer Part Number: ATMEGA32U4-MUR
• Description: MCU AVR 16K FLASH 16MHZ 44VQFN
• Manufacturer: Atmel
• Series: AVR® ATmegar

Specifications of ATMEGA32U4-MUR

• Core Processor: AVR
• Core Size: 8-Bit
• Speed: 16MHz
• Connectivity: I²C, SPI, UART/USART, USB
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 26
• Program Memory Size: 32KB (16K x 16)
• Program Memory Type: FLASH
• Eeprom Size: 1K x 8
• Ram Size: 2.5K x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 5.5 V
• Data Converters: A/D 12x10b
• Oscillator Type: External
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 44-VQFN
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

7766F–AVR–11/10
Figure 30-36. Calibrated 8 MHz RC Oscillator Frequency vs. Temperature
Figure 30-37. Calibrated 8 MHz RC Oscillator Frequency vs. Operating Voltage
8.4
8.3
8.2
8.1
7.9
7.8
7.7
7.6
8.4
8.3
8.2
8.1
7.9
7.8
7.7
8
8
-40
2.5
-30
2.8
-20
3.1
-10
3.4
0
10
3.7
Temperature (°C)
20
V
CC
4
(V)
30
4.3
40
50
4.6
ATmega16/32U4
60
4.9
70
5.2
80
5.5
90
-40 °C
2.7 V
4.0 V
5.5 V
85 °C
25 °C
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