board-stm32-bluepill

STM32 Blue Pill board reference - ARM Cortex-M3 with 64KB Flash and 20KB RAM

An STM32 Blue Pill development board with STM32F103C8: ARM Cortex-M3 processor, 64KiB flash, 20KiB RAM, running at 72MHz.

Onboard LED

A user-controllable LED is attached to GPIO pin PC13.

Simulation features

This table summarizes the current status of the STM32F103C8 simulation features:

Feature	Status	Notes
Processor Core	✔️	Cortex-M3 core
SysTick timer	✔️
GPIO	✔️
USART	✔️
I2C	✔️
SPI	✔️
ADC	🟡	ADC1 basic conversion only; ADC2 not implemented
STM32 timers	✔️	TIM1/2/3/4, used by analogWrite()
CRC	✔️
DBG	🟡	DWT implemented, DBGMCU missing
DMA	❌
EXTI	✔️
IWDG	❌
PWR	❌
RCC	✔️
RTC	❌
AFIO	✔️
WWDG	✔️
GDB Debugging	✔️	See the GDB Debugging guide

Legend:
✔️ Simulated
🟡 Partial implementation/work in progress
❌ Not implemented

Simulator examples

• STM32 Blue Pill analogRead() example
• STM32 Blue Pill SPI LCD