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Microchip ATMEGA32U4-AU
Product Details
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Compliance
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Lead Free
Lead Free
Radiation Hardening
No
REACH SVHC
No SVHC
RoHS
Compliant
Dimensions
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Height
1.05 mm
Length
10 mm
Width
10 mm
Physical
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Case/Package
TQFP
Mount
Surface Mount
Number of Pins
44
Supply Chain
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Lifecycle Status
Production
Technical
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Core Architecture
AVR
Data Bus Width
8 b
Frequency
16 MHz
Interface
I2C, I2S, SPI, UART, USART, USB
Manufacturer Package Identifier
ATMEGA32U4-AU
Max Frequency
16 MHz
Max Operating Temperature
85 °C
Max Supply Voltage
85 °C
Memory Size
32 kB
Memory Type
5.5 V
Min Operating Temperature
-40 °C
Min Supply Voltage
-40 °C
Number of ADC Channels
12
Number of I/Os
26
Number of I2C Channels
1
Number of Programmable I/O
26
Number of PWM Channels
8
Number of SPI Channels
1
Number of Timers/Counters
5
Oscillator Type
External
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
RAM Size
2.5 kB
Watchdog Timer
Yes