24 MHz 8-bit core with 64 KB on-chip flash
The STM8S208C8T6TR: The 2 KB EEPROM on die stores calibration constants or configuration parameters without needing an external serial memory chip. The 48-LQFP package (7x7 mm body) keeps the PCB footprint small enough for space-constrained control boards.
Peripheral set for a control node — CAN, LIN, and 10-bit ADC
On-chip connectivity includes CANbus, LINbus, I²C, SPI, and UART/USART — this MCU is built for a distributed control network where a CAN or LIN bus links multiple sensor and actuator nodes back to a central controller. The 10-channel 10-bit ADC reads analog inputs like temperature or pressure transducers without an external converter. 38 GPIOs in a 48-pin package leave enough headroom for local I/O after the bus interface pins are allocated.
The 8-bit STM8S architecture uses a different toolchain and instruction set than the ARM Cortex-M based STM32 family. A drop-in replacement to an STM32 part is not possible without a board spin and firmware rewrite — the STM32L151CBU6A is a 32-bit alternative with a different pinout and peripheral map, not a pin-compatible swap.