ATMEGA32U4-MU Atmel, ATMEGA32U4-MU Datasheet - Page 401

• Manufacturer Part Number: ATMEGA32U4-MU
• Description: MCU AVR 32K FLASH 16MHZ 44-QFN
• Manufacturer: Atmel
• Series: AVR® ATmegar

Specifications of ATMEGA32U4-MU

• 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
• Package: 44QFN EP
• Device Core: AVR
• Family Name: ATmega
• Maximum Speed: 16 MHz
• Operating Supply Voltage: 3.3|5 V
• Data Bus Width: 8 Bit
• Number Of Programmable I/os: 26
• Interface Type: EBI/I2S/SPI/TWI/USART/USB
• On-chip Adc: 12-chx10-bit
• Number Of Timers: 5
• For Use With: ATSTK524 - KIT STARTER ATMEGA32M1/MEGA32C1ATSTK600 - DEV KIT FOR AVR/AVR32ATAVRDRAGON - KIT DRAGON 32KB FLASH MEM AVRATSTK500 - PROGRAMMER AVR STARTER KIT
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: ATMEGA32U4-16MU; ATMEGA32U4-16MU

7766F–AVR–11/10
Figure 30-30. BOD Thresholds vs. Temperature (BODLEVEL is 4.3 V)
Figure 30-31. Bandgap Voltage vs. Vcc
1.11
1.09
1.08
1.07
1.06
1.05
4.55
4.45
4.35
4.25
4.15
4.6
4.5
4.4
4.3
4.2
4.1
1.1
-50
1.5
-40
2
-30
-20
2.5
-10
Rising Vcc
0
3
Temperature (°C)
10
Vcc (V)
20
3.5
30
40
4
Falling Vcc
50
4.5
ATmega16/32U4
60
70
5
80
90
5.5
-40 °C
85 °C
25 °C
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