# ATMEGA16U4-AUR (Component)
## Description
ATMEGA16U4-AUR
TQFP-44_L10.0-W10.0-P0.80-LS12.0-BL
LCSC Part Number: C2052846
JLCPCB Part Class: undefined
Manufactured by MICROCHIP(美国微芯)
## Component Details
- **Owner:** lcsc
- **Created:** 10/30/2024
- **Last Updated:** 10/30/2024
- **Visibility:** Public
- **Manufacturer Part Number:** ATMEGA16U4-AUR
- **LCSC Part Number:** C2052846
- **Package or Case Code:** TQFP-44_L10.0-W10.0-P0.80-LS12.0-BL
- **Manufacturer Name:** MICROCHIP(美国微芯)
## Distributor Pricing (qty 1)
*Pricing shown for quantity 1. For price breaks and other quantities, open in Flux.*
| Distributor | Unit Price (qty 1) | Stock |
|------------|--------------------|-------|
| [Arrow](https://www.arrow.com/en/products/atmega16u4-aur/microchip-technology.html?utm_currency=USD®ion=nac) | N/A | N/A |
| [Digi-Key](https://www.digikey.com/en/products/detail/microchip-technology/ATMEGA16U4-AUR/2238235) | N/A | N/A |
| [LCSC](https://www.lcsc.com/product-detail/C2052846.html) | $5.0783 | 0 |
| [Mouser](https://www.mouser.com/ProductDetail/Microchip-Technology/ATMEGA16U4-AUR?qs=rBGENRD8NwJxXOZy8rkl4g%3D%3D) | $5.30 | 876 |
- **Manufacturer:** Microchip
- **MPN:** ATMEGA16U4-AUR
- **Mount Type:** PCB
- **Package / Case Code:** 44-TQFP
- **Pin Count:** 44
## Pins
| Pin | Name | Type |
|-----|------|------|
| 1 | (INT.6/AIN0)PE6 | |
| 2 | UVcc | |
| 3 | D- | |
| 4 | D+ | |
| 5 | UGnd | |
| 6 | UCap | |
| 7 | VBus | |
| 8 | (SS/PCINT0)PB0 | |
| 9 | (PCINT1/SCLK)PB1 | |
| 10 | (PDI/PCINT2/MOSI)PB2 | |
| 11 | (PDO/PCINT3/MISO)PB3 | |
| 12 | (PCINT7/OC0A/OC1C/#RTS)PB7 | |
| 13 | #RESET | |
| 14 | VCC | |
| 15 | GND | |
| 16 | XTAL2 | |
| 17 | XTAL1 | |
| 18 | (OC0B/SCL/INT0)PD0 | |
| 19 | (SDA/INT1)PD1 | |
| 20 | (RXD1/INT2)PD2 | |
| 21 | (TXD1/INT3)PD3 | |
| 22 | (XCK1/#CTS)PD5 | |
| 23 | GND | |
| 24 | AVCC | |
| 25 | PD4(ICP1/ADC8) | |
| 26 | PD6(T1/OC4D/ADC9) | |
| 27 | PD7(T0/OC4D/ADC10) | |
| 28 | PB4(PCINT4/ADC11) | |
| 29 | PB5(PCINT5/OC1A/OC4B/ADC | |
| 30 | PB6(PCINT6/OC1B/OC4B/ADC | |
| 31 | PC6(OC3A/OC4A) | |
| 32 | PC7(ICP3/CLK0/OC4A) | |
| 33 | PE2(HWB#) | |
| 34 | VCC | |
| 35 | GND | |
| 36 | PF7(ADC7/TDI) | |
| 37 | PF6(ADC6/TDO) | |
| 38 | PF5(ADC5/TMS) | |
| 39 | PF4(ADC4/TCK) | |
| 40 | PF1(ADC1) | |
| 41 | PF0(ADC0) | |
| 42 | AREF | |
| 43 | GND | |
| 44 | AVCC | |
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*Generated from [https://www.flux.ai/lcsc/atmega16u4-aur~6jrt](https://www.flux.ai/lcsc/atmega16u4-aur~6jrt)*