150°C junction — engine-bay capable
The 48-LQFP package keeps the board footprint compact, and the 38 I/O lines give room for mixed sensor inputs and actuator PWM outputs.
On-chip peripherals include brown-out reset, POR, and a watchdog timer — essential for unsupervised automotive operation. Communication interfaces cover I²C, LINbus, SPI, and UART/USART, so it can talk to LIN transceivers, local sensors, and a gateway MCU on the same board. The 10-channel 10-bit ADC handles analog inputs like throttle position or temperature without an external converter.
Obsolete — planning the BOM transition
ST has marked the STM8AF6268TDX obsolete. New designs should not start here; existing production lines need a last-time-buy plan or a validated substitute. The official STM8A family includes pin-compatible density variants that may serve as drop-in replacements — confirm the exact Flash and RAM requirements against the current STM8AF6268 product brief.