ST’s STM8AL3L is the feature‑rich STM8AL31 line for automotive applications. It has more Flash, SRAM and peripherals on board, with external crystal/clock capability, more analog features, a real‑time clock and enhanced reset, EEPROM with true RWW, DMA, fast ADC and DAC. The STM8AL3L has an additional segment LCD driver.
| Part Number | Package | Marketing Status | Operating Frequency(F) (Processor speed) | FLASH Size (Prog) | Internal RAM Size | Data E2PROM nom (B) | 8-bit timer (IC/OC/PWM) | 16-bit timers (IC/OC/PWM) | Other timer functions | A/D Converter | D/A Converter | Comparator | I/Os (High Current) | Serial Interface | Supply Voltage(Vcc) min (V) | Supply Voltage(Vcc) max (V) | Supply Current(Icc) (Lowest power mode) typ (µA) | Supply Current(Icc) (Run mode (per Mhz)) typ (µA) | Display controller | Operating Temperature min (°C) | Operating Temperature max (°C) | Touch sensing FW library | Number Of Outputs nom () | Number of Channels nom () | Proximity capability | Response Time(T_d) nom (mS) | Signal processing | Technology | Wheel/Slider |
| STM8AL3L46 | LQFP 32 7x7x1.4 | Active | 16 | 16 | 2 | 1024 | 1x8-bit | 3x16-bit | IWDG, WWDG, AWU, RTC, beeper | 21x12-bit | 1x12-bit | 2 | 29 | 1xSPI;1xI2C;1xUSART(IrDA, ISO 7816, LIN 1.3, LIN 2.0) | 1.8 | 3.6 | 0.4 | 195 | LCD 4x17 | -40 | 125 | Yes | - | - | - | - | - | - | - |
| STM8AL3L48 | LQFP 48 7x7x1.4 | Active | 16 | 16 | 2 | 1024 | 1x8-bit | 3x16-bit | IWDG, WWDG, AWU, RTC, beeper | 25x12-bit | 1x12-bit | 2 | 41 | 1xSPI;1xI2C;1xUSART(IrDA, ISO 7816, LIN 1.3, LIN 2.0) | 1.8 | 3.6 | 0.4 | 195 | LCD 4x28 | -40 | 125 | Yes | - | - | - | - | - | - | - |
| STM8AL3L66 | LQFP 32 7x7x1.4 | Active | 16 | 32 | 2 | 1024 | 1x8-bit | 3x16-bit | IWDG, WWDG, AWU, RTC, beeper | 21x12-bit | 1x12-bit | 2 | 29 | 1xSPI;1xI2C;1xUSART(IrDA, ISO 7816, LIN 1.3, LIN 2.0) | 1.8 | 3.6 | 0.4 | 195 | LCD 4x17 | -40 | 125 | Yes | - | - | - | - | - | - | - |
| STM8AL3L68 | LQFP 48 7x7x1.4 | Active | 16 | 32 | 2 | 1024 | 1x8-bit | 3x16-bit | IWDG, WWDG, AWU, RTC, beeper | 25x12-bit | 1x12-bit | 2 | 41 | 1xSPI;1xI2C;1xUSART(IrDA, ISO 7816, LIN 1.3, LIN 2.0) | 1.8 | 3.6 | 0.4 | 195 | LCD 4x28 | -40 | 125 | Yes | - | - | - | - | - | - | - |
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