# [Example] STM32F4x Preliminary Design ## Description A preliminary design for developing SMT32F4x series based project that’ll help you get started faster. ## Project Details - **Owner:** drewwhitehurst - **Created:** 9/20/2021 - **Last Updated:** 7/19/2023 - **Visibility:** Public ## Key Components ### ? — [JTAG](https://www.flux.ai/jharwinbarrozo/jtag.md) **Pins:** - GND - GND - GND_DETECT - KEY - NC/TDI - nRESET - SWDCLK/TCK - SWDIO/TMS - SWO/TD0 - VCC ### I2C_SCL1 — Label **Pins:** - P1 - P2 ### I2C_SDA — Label **Pins:** - P1 - P2 ### I2C_SDA1 — Label **Pins:** - P1 - P2 ### I2C1_SCL — Label **Pins:** - P1 - P2 ### LED — [LED](https://www.flux.ai/jharwinbarrozo/led-tht.md) - Saturation Current: 93.2e-12A - Breakdown Voltage: 0V - Emission Coefficient: 3.73 - Series Resistance: 0.42Ω - Forward Voltage: 1.70 **Pins:** - A [pin 2] - K [pin 1] ### LED_ON — Label **Pins:** - P1 - P2 ### NRST — Label **Pins:** - P1 - P2 ### NRST — Label **Pins:** - P1 - P2 ### Q1 — [N-Channel MOSFET](https://www.flux.ai/jharwinbarrozo/n-channel-mosfet.md) - Beta: 1.5 - Threshold Voltage: 20mV **Pins:** - DRAIN - GATE - SOURCE ### RESET — [Push Button](https://www.flux.ai/jharwinbarrozo/push-button.md) **Pins:** - P1 - P2 ### S1 — [Push Button](https://www.flux.ai/jharwinbarrozo/push-button.md) **Pins:** - P1 - P2 ### SPI_SCK — Label **Pins:** - P1 - P2 ### SPI1_CS — Label **Pins:** - P1 - P2 ### SPI1_CS — Label **Pins:** - P1 - P2 ### SPI1_MISO — Label **Pins:** - P1 - P2 ### SPI1_MISO — Label **Pins:** - P1 - P2 ### SPI1_MOSI — Label **Pins:** - P1 - P2 ### SPI1_MOSI — Label **Pins:** - P1 - P2 ### SPI1_SCK — Label **Pins:** - P1 - P2 ### TCK — Label **Pins:** - P1 - P2 ### TCK — Label **Pins:** - P1 - P2 ### TD0 — Label **Pins:** - P1 - P2 ### TDI — Label **Pins:** - P1 - P2 ### TDI — Label **Pins:** - P1 - P2 ### TDO — Label **Pins:** - P1 - P2 ### TMS — Label **Pins:** - P1 - P2 ### TMS — Label **Pins:** - P1 - P2 ### U1 — [STM32F405RGT6](https://www.flux.ai/jharwinbarrozo/stm32f405rgt6.md) - Package or Case Code: 64-LQFP - Manufacturer Name: STMicroelectronics - Manufacturer Part Number: STM32F405RGT6 - 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 - Part Type: Integrated Circuit **Pins:** - BOOT0 - NRST - PA0/WKUP - PA1/USART2_RTS - PA10 - PA11 - PA12 - PA13/JMS-SWDIO - PA14/JTCK-SWCLK - PA15 - PA2/USART2_TX - PA3/USART2_RX - PA4/USART2_CK - PA5/SPI1_SCK - PA6/SPI1_MISO - PA7/SPI1_MOSI - PA8 - PA9 - PB0 - PB1 - PB10 - PB11 - PB12 - PB13 - PB14 - PB15 - PB2/BOOT1 - PB3 - PB4 - PB5 - PB6 - PB7 - PB8 - PB9 - PC0 - PC1 - PC10 - PC11 - PC12 - PC13/RTC_OUT - PC14/OSC32_IN - PC15/OSC32_OUT - PC2/SPI2_MISO - PC3/SPI2_MOSI - PC4 - PC5 - PC6 - PC7 - PC8 - PC9 - PD2 - PH0/OSC_IN - PH1/OSC_OUT - VBAT - VCAP_1 - VCAP_2 - VDD - VDD - VDD - VDD - VDDA - VSS - VSS - VSSA ### U2 — [LM75BDP,118](https://www.flux.ai/vasyl/lm75bdp118.md) - Manufacturer Name: NXP Semiconductors NV - Part Type: Integrated Circuit - Package or Case Code: SO8 - Datasheet URL: https://www.nxp.com/docs/en/data-sheet/LM75B.pdf - Manufacturer Part Number: LM75BDP,118 **Pins:** - A0 - A1 - A2 - GND - OS - SCL - SDA - VCC ### U3 — [MPU-9250](https://www.flux.ai/jharwinbarrozo/mpu-9250.md) - Datasheet URL: https://media.digikey.com/pdf/Data%20Sheets/TDK%20PDFs/MPU-9250_Rev_1.1.pdf - Manufacturer Name: TDK InvenSense - Manufacturer Part Number: MPU-9250 - Part Type: Integrated Circuit - Package or Case Code: 24QFN **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](https://www.flux.ai/usairemalamgeer/power-symbol.md) **Pins:** - P1 ### VDD — [Power Symbol](https://www.flux.ai/usairemalamgeer/power-symbol.md) **Pins:** - P1 ### VDD — [Power Symbol](https://www.flux.ai/usairemalamgeer/power-symbol.md) **Pins:** - P1 ### VDD — [Power Symbol](https://www.flux.ai/usairemalamgeer/power-symbol.md) **Pins:** - P1 ### VDD — Label **Pins:** - P1 - P2 ### VDD — [Power Symbol](https://www.flux.ai/usairemalamgeer/power-symbol.md) **Pins:** - P1 ### VDD — [Power Symbol](https://www.flux.ai/usairemalamgeer/power-symbol.md) **Pins:** - P1 ### VDD — Label **Pins:** - P1 - P2 ### VDD — [Power Symbol](https://www.flux.ai/usairemalamgeer/power-symbol.md) **Pins:** - P1 ### VDD — [Power Symbol](https://www.flux.ai/usairemalamgeer/power-symbol.md) **Pins:** - P1 ### VDDA — Label **Pins:** - P1 - P2 ### X1 — [Crystal Oscillator](https://www.flux.ai/jharwinbarrozo/crystal-oscillator.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/drewwhitehurst/example-stm32f4x-preliminary-design](https://www.flux.ai/drewwhitehurst/example-stm32f4x-preliminary-design).* --- *Generated from [https://www.flux.ai/drewwhitehurst/example-stm32f4x-preliminary-design](https://www.flux.ai/drewwhitehurst/example-stm32f4x-preliminary-design)*