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STM8S103F3P6 is an 8-bit microcontroller launched by STMicroelectronics. It belongs to the STM8S series and is designed for high-performance and low-power applications. It is widely used in industrial control, consumer electronics, and home appliances, and is particularly suitable for scenarios that require high durability, high storage write times, and a wide operating temperature range.

Both STM8S003F3P6 and STM8S103F3P6 are 8-bit microcontrollers from STMicroelectronics, part of the STM8S family. They have very similar functions and features, but some minor differences in specifications and performance.

STM8S003F3P6 is an 8-bit microcontroller launched by STMicroelectronics. It belongs to the STM8S series and has the characteristics of low cost and high performance. It is suitable for a variety of embedded applications.