規格
| 屬性 | 價值 |
| Supplier | Microchip Technology |
| Package | Tube |
| Series | 89C |
| ProductStatus | Obsolete |
| CoreProcessor | 80C51 |
| CoreSize | 8-Bit |
| Speed | 33MHz |
| Connectivity | UART/USART |
| NumberofI/O | 32 |
| ProgramMemorySize | 4KB (4K x 8) |
| ProgramMemoryType | FLASH |
| RAMSize | 128 x 8 |
| Voltage-Supply(Vcc/Vdd) | 4V ~ 6V |
| OscillatorType | Internal |
| OperatingTemperature | -40°C ~ 85°C (TA) |
| MountingType | Through Hole |
| Package/Case | 40-DIP (0.600, 15.24mm) |
