| Program Memory Type | ROMLess |
| Package Width (mm) | 16.7(Max) |
| Number of Timers | 3 |
| Data Bus Width (bit) | 8 |
| Device Core | 80C51 |
| SPI | 0 |
| Minimum Operating Temperature (°C) | 0 |
| Maximum Operating Temperature (°C) | 70 |
| Supplier Package | PLCC |
| 印刷电路板已变更 | 44 |
| Instruction Set Architecture | CISC |
| Core Architecture | 8051 |
| Family Name | MCS51 |
| Maximum Operating Supply Voltage (V) | 6 |
| Maximum Clock Rate (MHz) | 16 |
| Number of Programmable I/Os | 32 |
| Package Height (mm) | 3.81(Min) |
| I2C | 0 |
| Maximum CPU Frequency (MHz) | 16 |
| USB | 0 |
| RAM Size | 256B |
| UART | 0 |
| I2S | 0 |
| CECC Qualified | No |
| Standard Package Name | LCC |
| Pin Count | 44 |
| Mounting | Surface Mount |
| CAN | 0 |
| USART | 0 |
| 欧盟限制某些有害物质的使用 | Not Compliant |
| Package Length (mm) | 16.7(Max) |
| Lead Shape | J-Lead |
| Ethernet | 0 |
| Typical Operating Supply Voltage (V) | 5 |
| Programmability | No |
| Minimum Operating Supply Voltage (V) | 4 |
