| Installation type | Surface mount | 
| packing | pallet | 
| series | 89LP | 
| Part status | On sale | 
| Memory type | Flash Memory | 
| storage capacity | 4KB(4K x 8) | 
| speed | 20MHz | 
| Voltage - Supply | 2.4V ~ 5.5V | 
| working temperature | -40°C ~ 85°C(TA) | 
| Encapsulation/Housing | 44-VFQFN Exposed Pad | 
| Country of origin | USA | 
| Warehouse | China/Hong Kong | 
| quality | Original genuine | 
| Number of cores | 8 bit | 
| Core processor | 8051 | 
| Connectivity | EBI/EMI,I²C,SPI,UART/USART | 
| peripheral | Undervoltage detection,reset,POR,PWM,WDT | 
| Number of I/Os | 36 | 
| RAM size | 256 x 8 | 
| Oscillator type | Inside |