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README

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STM32L151 series microcontrollers

3 STM32L151 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
STM32L151C8T6A	32 MHz	64 kB	32 kB	37	LQFP 48	Active
STM32L151CBT6A	32 MHz	128 kB	32 kB	37	LQFP 48	Active
STM32L151RET6	32 MHz	512 kB	80 kB	51	LQFP 64	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.