Specifications
| Attribute | Value |
| Supplier | Nuvoton Technology Corporation |
| Package | Tube |
| Series | W78 |
| ProductStatus | Obsolete |
| CoreProcessor | 8051 |
| CoreSize | 8-Bit |
| Speed | 40MHz |
| NumberofI/O | 32 |
| ProgramMemorySize | 8KB (8K x 8) |
| ProgramMemoryType | FLASH |
| RAMSize | 256 x 8 |
| OscillatorType | Internal |
| OperatingTemperature | 0°C ~ 70°C (TA) |
| MountingType | Through Hole |
| Package/Case | 40-DIP |
