# \[Example\] STM32F4x Preliminary Design

## Description

A preliminary design for developing SMT32F4x series based project that’ll help you get started faster\.

## Project Details

- **Owner:** nhcncrepair
- **Created:** 1/10/2022
- **Last Updated:** 1/10/2022
- **Visibility:** Public

## Key Components

### ? — JTAG

**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://flux.ai/jharwinbarrozo/led-tht~gr.md)

- Breakdown Voltage: 0V
- Series Resistance: 0\.42Ω
- Saturation Current: 93\.2e\-12A
- Emission Coefficient: 3\.73
- Forward Voltage: 1\.70

**Pins:**
- ANODE
- CATHODE

### LED\_ON — Label

**Pins:**
- P1
- P2

### NRST — Label

**Pins:**
- P1
- P2

### NRST — Label

**Pins:**
- P1
- P2

### Q1 — [N\-Channel MOSFET](https://flux.ai/jharwinbarrozo/n-channel-mosfet~dm7.md)

**Pins:**
- DRAIN
- GATE
- SOURCE

### RESET — [Push Button](https://flux.ai/jharwinbarrozo/push-button~eqk.md)

**Pins:**
- P1
- P2

### S1 — [Push Button](https://flux.ai/jharwinbarrozo/push-button~eqk.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://flux.ai/jharwinbarrozo/stm32f405rgt6~ssm.md)

- 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
- Manufacturer Name: STMicroelectronics
- Manufacturer Part Number: STM32F405RGT6
- Part Type: Integrated Circuit
- Package or Case Code: 64\-LQFP

**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://flux.ai/vasyl/lm75bdp118~vef.md)

- Manufacturer Name: NXP Semiconductors NV
- Manufacturer Part Number: LM75BDP,118
- Datasheet URL: https://www\.nxp\.com/docs/en/data\-sheet/LM75B\.pdf
- Part Type: Integrated Circuit
- Package or Case Code: SO8

**Pins:**
- A0
- A1
- A2
- GND
- OS
- SCL
- SDA
- VCC

### U3 — [MPU\-9250](https://flux.ai/jharwinbarrozo/mpu-9250~736.md)

- Package or Case Code: 24QFN
- Manufacturer Name: TDK InvenSense
- Part Type: Integrated Circuit
- Datasheet URL: https://media\.digikey\.com/pdf/Data%20Sheets/TDK%20PDFs/MPU\-9250\_Rev\_1\.1\.pdf
- Manufacturer Part Number: MPU\-9250

**Pins:**
- AD0/MISO
- AUX\_SCL
- AUX\_SDA
- CS
- FSYNC
- GND
- INT
- REGOUT
- RESV\_GND
- RESV\_VDDIO
- SCL/SCLK
- SDA/MOSI
- VDD
- VDDIO

### VDDA — Label

**Pins:**
- P1
- P2

### X1 — [Crystal Oscillator](https://flux.ai/jharwinbarrozo/crystal-oscillator~i9.md)

- Frequency: 26MHz
- Part Type: Oscillator

**Pins:**
- undefined
- undefined

*The full schematic, PCB layout, bill of materials, and interactive design are available at [https://flux\.ai/nhcncrepair/example\-stm32f4x\-preliminary\-design\~b3](https://flux.ai/nhcncrepair/example-stm32f4x-preliminary-design~b3).*

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*Generated from [https://flux\.ai/nhcncrepair/example\-stm32f4x\-preliminary\-design\~b3](https://flux.ai/nhcncrepair/example-stm32f4x-preliminary-design~b3)*