Thông số kỹ thuật
| thuộc tính | Giá trị |
| Package | Tube |
| Series | W79 |
| ProductStatus | Obsolete |
| CoreProcessor | 8051 |
| CoreSize | 8-Bit |
| Speed | 20MHz |
| Connectivity | I²C, UART/USART |
| Peripherals | Brown-out Detect/Reset, LED, LVD, POR, PWM, WDT |
| NumberofI/O | 18 |
| ProgramMemorySize | 2KB (2K x 8) |
| ProgramMemoryType | FLASH |
| RAMSize | 128 x 8 |
| Voltage-Supply(Vcc/Vdd) | 2.7V ~ 5.5V |
| DataConverters | A/D 4x10b |
| OscillatorType | Internal |
| OperatingTemperature | -40°C ~ 85°C (TA) |
| MountingType | Through Hole |
| Package/Case | 20-DIP (0.300, 7.62mm) |
