Thursday, November 02, 2017

ATMEGA16U4-AU chip TQFP44

8-bit AVR family microcontroller equipped with USB controller and USB Bootloader.


  • Packaging TQFP-44
  • Working frequency 16MHz (max)
  • Working voltage 2.7VDC - 5,5VDC
  • Number of 26-pin i / o
  • RISC Architecture
  • Program memory size is 16K bytes
  • 1.25K Byte data volatile memory size
  • 512 bytes of non-volatile data memory size
  • 10-bit adc, 12 channels
  • Peripheral PWM, watchdog timer, on-chip comparator, on-chip temperature sensor
  • Number of external interruptions 8xPCINT + 5INT source
  • Timer / counter 2 8-bit channels, 2 16-bit channels, 1 10-bit channel
  • Speed 16 MIPS
  • USB programming interface, serial / parallel programming
  • JTAG debugger interface
  • I2C peripheral interface, UART, SPI, USB
  • Special feature On-Chip USB Bootloader