# Custom Microcontroller using atmega32u4 ## Description Possible future project? ## Project Details - **Owner:** d3x - **Created:** 1/28/2024 - **Last Updated:** 1/31/2024 - **Visibility:** Public - **Stars:** 1 ## Key Components ### J1 — [USB_B_Micro](https://www.flux.ai/jecstronic/usbbmicro~mtk.md) - Part Type: USB - Manufacturer Part Number: USB_B_Micro **Pins:** - D- [pin 2] - D+ [pin 3] - GND [pin 5] - ID [pin 4] - Shield [pin 6] - VBUS [pin 1] ### SW1 — [Push Button](https://www.flux.ai/jharwinbarrozo/push-button~eqk.md) - Manufacturer Name: OMRON - Datasheet URL: https://datasheet.lcsc.com/lcsc/1809271215_Omron-Electronics-B3FS-1050P_C231326.pdf - Part Type: Switch - Manufacturer Part Number: B3FS-1050P **Pins:** - P1 [pin 1] - P2 [pin 3] ### U2 — [ATMEGA 32U4](https://www.flux.ai/corynrobinson/atmega-32u4~3h.md) - Purchase Url: https://octopart.com/atmega32u4-au-microchip-77760310?r=sp#Specs - Manufacturer Name: Microchip - Manufacturer Part Number: ATMEGA32U4-AU - Part Type: Microcontroller - Frequency: 16MHz - Datasheet URL: https://datasheet.octopart.com/ATMEGA32U4-AU-Microchip-datasheet-65729178.pdf - Voltage: 5V - Package or Case Code: 44-TQFP **Pins:** - AREF [pin 42] - AVCC [pin 44] - AVCC [pin 24] - D- [pin 3] - D+ [pin 4] - GND [pin 43] - GND [pin 35] - GND [pin 23] - GND [pin 15] - PB0 [pin 8] - PB1 [pin 9] - PB2 [pin 10] - PB3 [pin 11] - PB4 [pin 28] - PB5 [pin 29] - PB6 [pin 30] - PB7 [pin 12] - PC6 [pin 31] - PC7 [pin 32] - PD0 [pin 18] - PD1 [pin 19] - PD2 [pin 20] - PD3 [pin 21] - PD4 [pin 25] - PD5 [pin 22] - PD6 [pin 26] - PD7 [pin 27] - PE2 [pin 33] - PE6 [pin 1] - PF0 [pin 41] - PF1 [pin 40] - PF4 [pin 39] - PF5 [pin 38] - PF6 [pin 37] - PF7 [pin 36] - RESET [pin 13] - UCap [pin 6] - UGnd [pin 5] - UVcc [pin 2] - VBus [pin 7] - VCC [pin 14] - VCC [pin 34] - XTAL1 [pin 17] - XTAL2 [pin 16] ### X1 — [449-LFXTAL036391BULK](https://www.flux.ai/jecstronic/449-lfxtal036391bulk~gjo.md) - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Oscillator - Datasheet URL: https://www.mouser.co.uk/datasheet/2/741/LFXTAL036391Bulk-998594.pdf - Manufacturer Name: IQD - Frequency: 16MHz - Manufacturer Part Number: LFXTAL036391Bulk **Pins:** - P1 [pin 1] - P2 [pin 2] *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/d3x/custom-microcontroller-using-atmega32u4~v4](https://www.flux.ai/d3x/custom-microcontroller-using-atmega32u4~v4).* --- *Generated from [https://www.flux.ai/d3x/custom-microcontroller-using-atmega32u4~v4](https://www.flux.ai/d3x/custom-microcontroller-using-atmega32u4~v4)*