STM8AF5xxx/STM8AF6x69/7x/8x/9x/Ax is a high-performance 8-bit microcontroller in STM8A series, with a maximum frequency of 24 MHz, 32 to 128 Kbytes of Flash program memory, 2 Kbytes of Data EEPROM, 10-bit ADC, timers, LIN, CAN, USART, SPI, I2C and other peripherals.
This datasheet covers the STM8AF5xxx and STM8AF6x69/7x/8x/9x/Ax series of automotive-grade 8-bit microcontrollers. The devices feature an Advanced STM8A core with a maximum CPU frequency of 24 MHz and a 3-stage pipeline architecture. Memory configurations include up to 128 Kbytes of Flash program memory and up to 2 Kbytes of true data EEPROM, with data retention of 20 years at 55 °C.
| Max fCPU | 24 MHz |
|---|---|
| Program memory | 32 to 128 Kbytes Flash |
| Data memory | up to 2 Kbytes true data EEPROM |
| RAM | 2 Kbytes to 6 Kbytes |
| ADC resolution | 10-bit |
| Operating temperature | up to 150 °C |
| CAN interface speed | 1 Mbit/s |
| I2C interface speed | up to 400 Kbit/s |
| SPI interface speed | up to 10 Mbit/s |
The maximum CPU frequency is 24 MHz.
Data retention is 20 years at 55 °C.
Yes, the USART supports LIN master mode compliant with LIN 2.1.