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Microchip ATMEGA16U4-MU
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Compliance
Lead Free
Lead Free
Radiation Hardening
No
RoHS
Compliant
Physical
Case/Package
QFN
Contact Plating
Tin
Mount
Surface Mount
Number of Pins
44
Supply Chain
Lifecycle Status
Production
Technical
Core Architecture
AVR
Data Bus Width
8 b
Frequency
16 MHz
Interface
I2C, I2S, SPI, UART, USART, USB
Max Frequency
16 MHz
Max Operating Temperature
85 °C
Max Supply Voltage
85 °C
Memory Size
16 kB
Memory Type
FLASH
Min Operating Temperature
-40 °C
Min Supply Voltage
-40 °C
Number of I/Os
26
Number of Programmable I/O
26
Number of Timers/Counters
5
Oscillator Type
External
Peripherals
Brown-out Detect/Reset, POR, PWM, Temp Sensor, WDT
RAM Size
1.3 kB
Watchdog Timer
Yes