# ATmega16U4-A (Component) ## Description 16MHz, 16kB Flash, 1.25kB SRAM, 512B EEPROM, USB 2.0, TQFP-44 AVR 8bit Microcontroller MegaAVR USB TQFP*10x10mm*P0.8mm* ## Component Details - **Owner:** kicad-part-library - **Created:** 9/26/2024 - **Last Updated:** 9/26/2024 - **Visibility:** Public - **Package or Case Code:** TQFP-44_10x10mm_P0.8mm - **Manufacturer Name:** Microchip Technology Inc. - **Manufacturer Part Number:** ATmega16U4-A - **Datasheet URL:** http://ww1.microchip.com/downloads/en/DeviceDoc/Atmel-7766-8-bit-AVR-ATmega16U4-32U4_Datasheet.pdf - **Manufacturer:** Microchip - **MPN:** ATmega16U4-A - **Package / Case Code:** 44-TQFP - **Pin Count:** 44 ## Pins | Pin | Name | Type | |-----|------|------| | 1 | PE6 | | | 2 | UVCC | | | 3 | D- | | | 4 | D+ | | | 5 | UGND | | | 6 | UCAP | | | 7 | VBUS | | | 8 | PB0 | | | 9 | PB1 | | | 10 | PB2 | | | 11 | PB3 | | | 12 | PB7 | | | 13 | ~{RESET} | | | 14 | VCC | | | 15 | GND | | | 16 | XTAL2 | | | 17 | XTAL1 | | | 18 | PD0 | | | 19 | PD1 | | | 20 | PD2 | | | 21 | PD3 | | | 22 | PD5 | | | 23 | GND | | | 24 | AVCC | | | 25 | PD4 | | | 26 | PD6 | | | 27 | PD7 | | | 28 | PB4 | | | 29 | PB5 | | | 30 | PB6 | | | 31 | PC6 | | | 32 | PC7 | | | 33 | ~{HWB}/PE2 | | | 34 | VCC | | | 35 | GND | | | 36 | PF7 | | | 37 | PF6 | | | 38 | PF5 | | | 39 | PF4 | | | 40 | PF1 | | | 41 | PF0 | | | 42 | AREF | | | 43 | GND | | | 44 | AVCC | | --- *Generated from [https://www.flux.ai/kicad-part-library/atmega16u4-a~dcc](https://www.flux.ai/kicad-part-library/atmega16u4-a~dcc)*