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STM32F103 series microcontrollers

6 STM32F103 variants on the wiki: Arm Cortex-M3, compared by flash, RAM, I/O and package.

Same core (Arm Cortex-M3) and peripheral set across the family; pick by memory and pin count.

Part page Clock Flash RAM I/O Package ST status
STM32F103C8T6 72 MHz 64 kB 20 kB 37 LQFP 48 Active
STM32F103CBT6 72 MHz 128 kB 20 kB 37 LQFP 48 Active
STM32F103CBT6TR 72 MHz 128 kB 20 kB 37 LQFP 48 Active
STM32F103RET6 72 MHz 512 kB 64 kB 51 LQFP 64 Active
STM32F103VCT6 72 MHz 256 kB 48 kB 80 LQFP 100 Active
STM32F103VFT6 72 MHz 768 kB 96 kB 80 LQFP 100 Active

Provenance

Parametrics from STMicroelectronics' own product-selector grid (category CL1734), pulled weekly into component-ocean (definitions/st/stm32-mcu-portfolio.json) and resolved per part by scripts/st/mcu-cli.py. Membership is recomputed from the published pages.