Fa'amatalaga
| Numera Vaega | STM8S903K3T3C |
| Tufuga | STMicroelectronics |
| Fa'amatalaga | IC MCU 8BIT 8KB FLASH 32LQFP |
| Malosi – Sapalai (Vcc/Vdd) | 2.95 V ~ 5.5 V |
| Saosaoa | 16MHz |
| Fa'asologa | STM8S |
| Tele ole RAM | 1K x 8 |
| Ituaiga Manaoga Polokalama | UMI |
| Polokalame Fa'amanatu Tele | 8KB (8K x 8) |
| Peripherals | Brown-out Su'esu'e/ Toe setiina, POR, PWM, WDT |
| afifiina | Faila |
| Ituaiga Oscillator | Totonu |
| Galulue Vevela | -40°C ~ 125°C (TA) |
| Numera o I/O | 28 |
| EEPROM Tele | 640 x 8 |
| Fa'aliliuga Fa'amatalaga | A/D 7x10b |
| Tele Autu | 8-Bit |
| Core Processor | STM8 |
| Feso'ota'i | I²C, IrDA, LIN, SPI, UART/USART |
