| Part Number | STM8AF6226UCY | STM8AF6246UCY | 
|---|---|---|
| Manufacturer | STMicroelectronics | STMicroelectronics | 
| Category | Embedded - Microcontrollers | Embedded - Microcontrollers | 
|   |   | |
| Product Status | Not For New Designs | Not For New Designs | 
| Core Processor | STM8A | STM8A | 
| Core Size | 8-Bit | 8-Bit | 
| Speed | 16MHz | 16MHz | 
| Connectivity | I²C, LINbus, SPI, UART/USART | I²C, LINbus, SPI, UART/USART | 
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT | Brown-out Detect/Reset, POR, PWM, WDT | 
| Number of I/O | 28 | 25 | 
| Program Memory Size | 8KB (8K x 8) | 16KB (16K x 8) | 
| Program Memory Type | Flash | Flash | 
| EEPROM Size | 640 x 8 | 512 x 8 | 
| RAM Size | 1K x 8 | 2K x 8 | 
| Voltage - Supply (Vcc/Vdd) | 3V ~ 5.5V | 3V ~ 5.5V | 
| Data Converters | A/D 7x10b | A/D 7x10b | 
| Oscillator Type | Internal | Internal | 
| Operating Temperature | -40°C ~ 125°C (TA) | -40°C ~ 125°C (TA) | 
| Mounting Type | Surface Mount | Surface Mount | 
| Package / Case | 32-VFQFN Exposed Pad | 32-VFQFN Exposed Pad | 
| Supplier Device Package | 32-VFQFPN (5x5) | 32-VFQFPN (5x5) |