規格
| 屬性 | 價值 |
| Supplier | Microchip Technology |
| Package | Tray |
| Series | 89S |
| ProductStatus | Obsolete |
| CoreProcessor | 8051 |
| CoreSize | 8-Bit |
| Speed | 24MHz |
| Connectivity | SPI, UART/USART |
| Peripherals | POR, WDT |
| NumberofI/O | 32 |
| ProgramMemorySize | 12KB (12K x 8) |
| ProgramMemoryType | FLASH |
| EEPROMSize | 2K x 8 |
| RAMSize | 256 x 8 |
| Voltage-Supply(Vcc/Vdd) | 2.7V ~ 5.5V |
| OscillatorType | External |
| OperatingTemperature | 0°C ~ 70°C (TA) |
| MountingType | Surface Mount |
| Package/Case | 44-TQFP |
