# [Example] STM32F4x Preliminary Design ## Description A preliminary design for developing SMT32F4x series based project that’ll help you get started faster. ## Project Details - **Owner:** k1mbo - **Created:** 1/4/2022 - **Last Updated:** 5/13/2023 - **Visibility:** Public ## Key Components ### ? — JTAG **Pins:** - GND - GND - GND_DETECT - KEY - NC/TDI - nRESET - SWDCLK/TCK - SWDIO/TMS - SWO/TD0 - VCC ### LED — [LED](https://www.flux.ai/jharwinbarrozo/led-tht~gr.md) - Series Resistance: 0.42Ω - Forward Voltage: 1.70 - Saturation Current: 93.2e-12A - Emission Coefficient: 3.73 - Breakdown Voltage: 0V **Pins:** - A [pin 2] - K [pin 1] ### Q1 — [N-Channel MOSFET](https://www.flux.ai/jharwinbarrozo/n-channel-mosfet~dm7.md) - Threshold Voltage: 20mV - Beta: 1.5 **Pins:** - DRAIN - GATE - SOURCE ### RESET — [Push Button](https://www.flux.ai/jharwinbarrozo/push-button~eqk.md) - Manufacturer Name: OMRON - Part Type: Switch - Datasheet URL: https://datasheet.lcsc.com/lcsc/1809271215_Omron-Electronics-B3FS-1050P_C231326.pdf - Manufacturer Part Number: B3FS-1050P **Pins:** - P1 [pin 1] - P2 [pin 3] ### S1 — [Push Button](https://www.flux.ai/jharwinbarrozo/push-button~eqk.md) - Manufacturer Name: OMRON - Part Type: Switch - Datasheet URL: https://datasheet.lcsc.com/lcsc/1809271215_Omron-Electronics-B3FS-1050P_C231326.pdf - Manufacturer Part Number: B3FS-1050P **Pins:** - P1 [pin 1] - P2 [pin 3] ### U1 — [STM32F405RGT6](https://www.flux.ai/jharwinbarrozo/stm32f405rgt6~ssm.md) - Manufacturer Name: STMicroelectronics - Part Type: Integrated Circuit - Manufacturer Part Number: STM32F405RGT6 - Package or Case Code: 64-LQFP - Datasheet URL: http://www.st.com/content/ccc/resource/technical/document/datasheet/ef/92/76/6d/bb/c2/4f/f7/DM00037051.pdf/files/DM00037051.pdf/jcr:content/translations/en.DM00037051.pdf **Pins:** - P1 [pin 5] - P10 [pin 58] - P11 [pin 36] - P12 [pin 8] - P13 [pin 7] - P14 [pin 62] - P15 [pin 38] - P16 [pin 2] - P17 [pin 34] - P18 [pin 19] - P19 [pin 41] - P2 [pin 28] - P20 [pin 42] - P21 [pin 35] - P22 [pin 60] - P23 [pin 61] - P24 [pin 11] - P25 [pin 16] - P26 [pin 33] - P27 [pin 52] - P28 [pin 29] - P29 [pin 48] - P3 [pin 31] - P30 [pin 40] - P31 [pin 21] - P32 [pin 50] - P33 [pin 15] - P34 [pin 3] - P35 [pin 49] - P36 [pin 14] - P37 [pin 9] - P38 [pin 4] - P39 [pin 55] - P4 [pin 37] - P40 [pin 44] - P41 [pin 54] - P42 [pin 22] - P43 [pin 59] - P44 [pin 51] - P45 [pin 24] - P46 [pin 12] - P47 [pin 53] - P48 [pin 25] - P49 [pin 27] - P5 [pin 39] - P50 [pin 63] - P51 [pin 1] - P52 [pin 64] - P53 [pin 20] - P54 [pin 26] - P55 [pin 43] - P56 [pin 47] - P57 [pin 17] - P58 [pin 56] - P59 [pin 45] - P6 [pin 23] - P60 [pin 46] - P61 [pin 57] - P62 [pin 32] - P63 [pin 10] - P64 [pin 13] - P7 [pin 30] - P8 [pin 18] - P9 [pin 6] ### U2 — [LM75BDP,118](https://www.flux.ai/vasyl/lm75bdp118~vef.md) - Manufacturer Name: NXP Semiconductors NV - Manufacturer Part Number: LM75BDP,118 - Package or Case Code: SO8 - Part Type: Integrated Circuit - Datasheet URL: https://www.nxp.com/docs/en/data-sheet/LM75B.pdf **Pins:** - A0 - A1 - A2 - GND - OS - SCL - SDA - VCC ### U3 — [MPU-9250](https://www.flux.ai/jharwinbarrozo/mpu-9250~736.md) - Manufacturer Name: TDK InvenSense - Manufacturer Part Number: MPU-9250 - Package or Case Code: 24QFN - Part Type: Integrated Circuit - Datasheet URL: https://media.digikey.com/pdf/Data%20Sheets/TDK%20PDFs/MPU-9250_Rev_1.1.pdf **Pins:** - P1 [pin 16] - P10 [pin 4] - P11 [pin 13] - P12 [pin 22] - P13 [pin 7] - P14 [pin 12] - P15 [pin 18] - P16 [pin 25] - P17 [pin 5] - P18 [pin 20] - P19 [pin 19] - P2 [pin 1] - P20 [pin 21] - P21 [pin 9] - P22 [pin 2] - P23 [pin 3] - P24 [pin 8] - P25 [pin 10] - P3 [pin 6] - P4 [pin 17] - P5 [pin 15] - P6 [pin 14] - P7 [pin 24] - P8 [pin 11] - P9 [pin 23] ### VDD — Power Symbol **Pins:** - P1 ### VDD — Power Symbol **Pins:** - P1 ### VDD — Power Symbol **Pins:** - P1 ### VDD — Power Symbol **Pins:** - P1 ### VDD — Power Symbol **Pins:** - P1 ### VDD — Power Symbol **Pins:** - P1 ### VDD — Power Symbol **Pins:** - P1 ### VDD — Power Symbol **Pins:** - P1 ### VDD — Power Symbol **Pins:** - P1 ### X1 — [Crystal Oscillator](https://www.flux.ai/jharwinbarrozo/crystal-oscillator~i9.md) - Part Type: Oscillator - Frequency: 26MHz **Pins:** - P1 - P2 *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/k1mbo/example-stm32f4x-preliminary-design~dw](https://www.flux.ai/k1mbo/example-stm32f4x-preliminary-design~dw).* --- *Generated from [https://www.flux.ai/k1mbo/example-stm32f4x-preliminary-design~dw](https://www.flux.ai/k1mbo/example-stm32f4x-preliminary-design~dw)*