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| Part Number | STM8AL3166UAY | STM8AL3166UCY | STM8AL3166TAY | STM8AL3166UAX |
|---|---|---|---|---|
| Manufacturer | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Product Status | Not For New Designs | Not For New Designs | Not For New Designs | Not For New Designs |
| Core Processor | STM8 | STM8 | STM8 | STM8 |
| Core Size | 8-Bit | 8-Bit | 8-Bit | 8-Bit |
| Speed | 16MHz | 16MHz | 16MHz | 16MHz |
| Connectivity | I²C, IrDA, LINbus, SPI, UART/USART | I²C, IrDA, LINbus, SPI, UART/USART | I²C, IrDA, LINbus, SPI, UART/USART | I²C, IrDA, LINbus, SPI, UART/USART |
| Peripherals | Brown-out Detect/Reset, DMA, POR, PWM, WDT | Brown-out Detect/Reset, DMA, POR, PWM, WDT | Brown-out Detect/Reset, DMA, POR, PWM, WDT | Brown-out Detect/Reset, DMA, POR, PWM, WDT |
| Number of I/O | 30 | 30 | 30 | 30 |
| Program Memory Size | 32KB (32K x 8) | 32KB (32K x 8) | 32KB (32K x 8) | 32KB (32K x 8) |
| Program Memory Type | Flash | Flash | Flash | Flash |
| EEPROM Size | 1K x 8 | 1K x 8 | 1K x 8 | 1K x 8 |
| RAM Size | 2K x 8 | 2K x 8 | 2K x 8 | 2K x 8 |
| Voltage - Supply (Vcc/Vdd) | 1.65V ~ 3.6V | 1.65V ~ 3.6V | 1.65V ~ 3.6V | 1.65V ~ 3.6V |
| Data Converters | A/D 22x12b; D/A 1x12b | A/D 22x12b; D/A 1x12b | A/D 22x12b; D/A 1x12b | A/D 22x12b; D/A 1x12b |
| Oscillator Type | Internal | Internal | Internal | Internal |
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 125°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Package / Case | 32-VFQFN Exposed Pad | 32-VFQFN Exposed Pad | 32-LQFP | 32-VFQFN Exposed Pad |
| Supplier Device Package | 32-VFQFPN (5x5) | 32-VFQFPN (5x5) | 32-LQFP (7x7) | 32-VFQFPN (5x5) |
