| Series | W79 |
| Package | Tray |
| Part Status | Active |
| Core Processor | 8051/52 |
| Core Size | 8-Bit |
| Speed | 40MHz |
| Connectivity | EBI/EMI, I²C, SPI, UART/USART |
| Peripherals | POR, PWM, WDT |
| Number of I/O | 38 |
| Program Memory Size | 32KB (32K x 8) |
| Program Memory Type | FLASH |
| EEPROM Size | 2K x 8 |
| RAM Size | 2.25K x 8 |
| Voltage - Supply (Vcc/Vdd) | 2.7V ~ 5.5V |
| Data Converters | A/D 8x10b |
| Oscillator Type | Internal |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount |
| Package / Case | 44-LCC (J-Lead) |
| Supplier Device Package | - |
