| PartNumber | STM8AF6366TCY | STM8AF6388TCX | STM8AF6366TCX |
| Description | 8-bit Microcontrollers - MCU Automotive 8-bit MCU with 32 Kbytes Flash, LIN, 16 MHz CPU, integrated EEPROM | 8-bit Microcontrollers - MCU Automotive 8-bit MCU with 64 Kbytes Flash, LIN, 24 MHz CPU, integrated EEPROM | 8-bit Microcontrollers - MCU Automotive 8-bit MCU with 32 Kbytes Flash, LIN, 16 MHz CPU, integrated EEPROM |
| Manufacturer | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Product Category | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Package / Case | LQFP-32 | LQFP-48 | LQFP-32 |
| Series | STM8AF6366 | STM8AF6388 | STM8AF6366 |
| Core | STM8A | STM8A | STM8A |
| Data Bus Width | 8 bit | 8 bit | 8 bit |
| Maximum Clock Frequency | 16 MHz | 24 MHz | 16 MHz |
| Program Memory Size | 32 kB | 64 kB | 32 kB |
| Data RAM Size | 2 kB | 6 kB | 2 kB |
| ADC Resolution | 10 bit | 10 bit | 10 bit |
| Number of I/Os | 25 I/O | 38 I/O | 25 I/O |
| Operating Supply Voltage | 3 V to 5.5 V | 3 V to 5.5 V | 3 V to 5.5 V |
| Minimum Operating Temperature | - 40 C | - 40 C | - 40 C |
| Maximum Operating Temperature | + 125 C | + 125 C | + 125 C |
| Qualification | AEC-Q100 | AEC-Q100 | AEC-Q100 |
| Product | MCU | MCU | MCU |
| Program Memory Type | EEPROM, Flash | EEPROM, Flash | EEPROM, Flash |
| Brand | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Data RAM Type | RAM | RAM | RAM |
| Data ROM Size | 1 kB | 2 kB | 1 kB |
| Data ROM Type | EEPROM | EEPROM | EEPROM |
| Interface Type | I2C, LIN (UART), SPI | I2C, LIN (UART), SPI, USART | I2C, LIN (UART), SPI |
| Analog Supply Voltage | 3 V to 5.5 V | 3 V to 5.5 V | 3 V to 5.5 V |
| Number of ADC Channels | 7 Channel | 10 Channel | 7 Channel |
| Number of Timers/Counters | 1 x 8 bit, 3 x 16 bit | 1 x 8 bit, 3 x 16 bit | 1 x 8 bit, 3 x 16 bit |
| Processor Series | STM8AF63 | STM8AF63 | STM8AF63 |
| Product Type | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU |
| Factory Pack Quantity | 1500 | 2400 | 2400 |
| Subcategory | Microcontrollers - MCU | Microcontrollers - MCU | Microcontrollers - MCU |
| Supply Voltage Max | 5.5 V | 5.5 V | 5.5 V |
| Supply Voltage Min | 3 V | 3 V | 3 V |
| Watchdog Timers | Watchdog Timer, Windowed | Watchdog Timer, Windowed | Watchdog Timer, Windowed |