STM32F105RBT6 STM32F412RGT6 LQFP64 ARM Microcontroller IC

$7.49 $8.63

Size STM32F105R8T6 STM32F105RBT6 STM32F412RGT6 STM32F105RCT6

STM32F105RBT6 / STM32F412RGT6 – LQFP64 ARM Microcontroller ICs

Get reliable, general-purpose ARM Cortex-M3/M4 microcontroller chips for your embedded systems, development boards, and electronics projects. This listing covers the STM32F105RBT6, STM32F105RB, STM32F105R8T6, and STM32F412RGT6 variants — all in the compact, industry-standard LQFP64 package.

Whether you're prototyping a new design, replacing a faulty component, or sourcing parts for a production run, these STM32 ICs deliver excellent performance and broad peripheral compatibility at a great value. BOM (Bill of Materials) one-stop sourcing support is available for bulk or multi-component orders.

Made in Mainland China.

Key Features

Models Covered: STM32F105RBT6, STM32F105RB, STM32F105R8T6, STM32F412RGT6
Package: LQFP64 (64-pin Low-Profile Quad Flat Package)
Core: ARM Cortex-M3 (STM32F105 series) / ARM Cortex-M4 (STM32F412 series)
Use Case: General Purpose Embedded Applications
Peripheral Support: USB OTG, CAN, I²C, SPI, USART, and more
Broad IDE Compatibility: Works with STM32CubeIDE, Keil, IAR, and other ARM toolchains
BOM One-Stop Support: Easily source additional components alongside your IC order
Quantity: 1 piece per order

Ideal Applications

Embedded system development and prototyping
Industrial control and automation
Consumer electronics design
IoT and connectivity projects
Motor control and robotics
PCB repair and component replacement

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Frequently Asked Questions

Q: What is the difference between the STM32F105RBT6 and STM32F412RGT6 microcontrollers?

A: The STM32F105RBT6 is based on the ARM Cortex-M3 core, while the STM32F412RGT6 uses the more advanced ARM Cortex-M4 core with FPU (Floating Point Unit). The F412 series generally offers higher processing speed and enhanced DSP capabilities, making it suitable for more demanding embedded applications. Both share the LQFP64 footprint for easy PCB compatibility.

Q: Is BOM (Bill of Materials) one-stop sourcing support available?

A: Yes! If you need multiple components for your project alongside the STM32F105RBT6 or STM32F412RGT6 IC, BOM one-stop supporting services are available. Please contact us with your full component list and we will assist with sourcing and fulfillment.

Q: What development tools are compatible with these STM32 microcontrollers?

A: These STM32 ICs are compatible with a wide range of industry-standard development environments, including STM32CubeIDE, Keil MDK, IAR Embedded Workbench, and PlatformIO. ST's HAL and LL libraries are freely available through STMicroelectronics' official resources.

Q: How many pins does the LQFP64 package have and what does this mean for my PCB design?

A: The LQFP64 (Low-Profile Quad Flat Package) has 64 pins arranged in a square format. This standard package is widely supported by PCB design software and is a popular choice for surface-mount (SMD) applications, offering a good balance between pin count and board space.