| Program Memory Type | ROMLess |
| PCB changed | 44 |
| HTS | 8542.31.00.01 |
| ECCN (US) | EAR99 |
| Maximum Expanded Memory Size | 64KB |
| Real Time Clock | No |
| Data Bus Width (bit) | 8 |
| Maximum Power Dissipation (mW) | 1500 |
| Device Core | 80C51 |
| SPI | 0 |
| Special Features | Programmable Counter Array |
| Minimum Operating Temperature (°C) | 0 |
| Maximum Operating Temperature (°C) | 70 |
| Supplier Package | PLCC |
| No. of Timers | 3 |
| Instruction Set Architecture | CISC |
| Core Architecture | 8051 |
| Package Height | 3.68(Min) |
| Family Name | P80 |
| Maximum Operating Supply Voltage (V) | 5.5 |
| Maximum Clock Rate (MHz) | 16 |
| EU RoHS | Compliant |
| I2C | 0 |
| Interface Type | UART |
| Maximum CPU Frequency (MHz) | 16 |
| USB | 0 |
| RAM Size | 256B |
| PWM | 1 |
| UART | 1 |
| I2S | 0 |
| Package Length | 16.66(Max) |
| Standard Package Name | LCC |
| CECC Qualified | No |
| Pin Count | 44 |
| Parallel Master Port | No |
| Mounting | Surface Mount |
| USART | 0 |
| CAN | 0 |
| Watchdog | 1 |
| Lead Shape | J-Lead |
| Ethernet | 0 |
| Part Status | Obsolete |
| Number of I/Os | 32 |
| Packaging | Tube |
| Typical Operating Supply Voltage (V) | 5|3.3 |
| Package Width | 16.66(Max) |
| Programmability | No |
| Minimum Operating Supply Voltage (V) | 2.7 |