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STM32F030F4Px

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by Kyle Bergstedt

ARM Cortex-M0 — cheapest STM32, 16KB flash, 20-pin, under $1

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STM32F030F4Px

The STM32F030F4 is the entry-level ARM Cortex-M0 from STMicroelectronics. With just 16KB flash, 4KB SRAM, and 15 GPIO in a tiny TSSOP-20 package, it runs at 48MHz and costs under $1. Includes USART, SPI, I2C, 5-channel ADC, and timers. The go-to for cost-sensitive designs needing 32-bit capability.