| Series | W78 |
| Package | Tube |
| Part Status | Obsolete |
| Core Processor | 80C31 |
| Core Size | 8-Bit |
| Speed | 10MHz |
| Connectivity | EBI/EMI, Serial Port |
| Peripherals | LVD, POR, WDT |
| Number of I/O | 25 |
| Program Memory Size | 32KB (32K x 8) |
| Program Memory Type | FLASH |
| EEPROM Size | - |
| RAM Size | 576 x 8 |
| Voltage - Supply (Vcc/Vdd) | 4.5V ~ 5.5V |
| Data Converters | A/D 7x8b; D/A 11x8b |
| Oscillator Type | Internal |
| Operating Temperature | 0°C ~ 70°C (TA) |
| Mounting Type | Surface Mount |
| Package / Case | 44-LCC (J-Lead) |
| Supplier Device Package | 44-PLCC (16.59x16.59) |
