| Part Number | STM8S903F3M6TR | STM8S903F3U6TR |
|---|---|---|
| Manufacturer | STMicroelectronics | STMicroelectronics |
| Category | Embedded - Microcontrollers | Embedded - Microcontrollers |
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| Product Status | Active | Active |
| Core Processor | STM8 | STM8 |
| Core Size | 8-Bit | 8-Bit |
| Speed | 16MHz | 16MHz |
| Connectivity | I²C, IrDA, LINbus, SPI, UART/USART | I²C, IrDA, LINbus, SPI, UART/USART |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT | Brown-out Detect/Reset, POR, PWM, WDT |
| Number of I/O | 16 | 16 |
| Program Memory Size | 8KB (8K x 8) | 8KB (8K x 8) |
| Program Memory Type | Flash | Flash |
| EEPROM Size | 640 x 8 | 640 x 8 |
| RAM Size | 1K x 8 | 1K x 8 |
| Voltage - Supply (Vcc/Vdd) | 2.95V ~ 5.5V | 2.95V ~ 5.5V |
| Data Converters | A/D 5x10b | A/D 5x10b |
| Oscillator Type | Internal | Internal |
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount | Surface Mount |
| Package / Case | 20-SOIC (0.295", 7.50mm Width) | 20-UFQFN |
| Supplier Device Package | 20-SO | 20-UFQFPN (3x3) |