| 欧盟RoHS指令 | Compliant |
| 美国出口管制分类ECCN编码 | 3A991.A.2 |
| 环保无铅 | NRND |
| 美国海关商品代码 | 8542.31.00.15 |
| SVHC | Yes |
| Automotive | Yes |
| PPAP | No |
| Family Name | C8051F55x |
| Instruction Set Architecture | CISC |
| Device Core | 8051 |
| Core Architecture | 8051 |
| Maximum CPU Frequency (MHz) | 50 |
| Maximum Clock Rate (MHz) | 50 |
| Data Bus Width (bit) | 8 |
| Program Memory Type | Flash |
| Program Memory Size | 32KB |
| RAM Size | 2.25KB |
| Maximum Expanded Memory Size | 64KB |
| Programmability | Yes |
| Interface Type | I2C/SMBus/SPI/UART |
| Number of I/Os | 18 |
| No. of Timers | 4 |
| Timers Resolution (bit) | 16/16/16/16 |
| PWM | 2 |
| Number of ADCs | 1 |
| ADC Channels | 32 |
| ADC Resolution (bit) | 12 |
| USART | 0 |
| UART | 1 |
| USB | 0 |
| SPI | 1 |
| I2C | 1 |
| I2S | 0 |
| CAN | 0 |
| Ethernet | 0 |
| Watchdog | 1 |
| Analog Comparators | 15 |
| Parallel Master Port | No |
| Real Time Clock | No |
| Minimum Operating Supply Voltage (V) | 1.8 |
| Typical Operating Supply Voltage (V) | 2.5|3.3|5 |
| Maximum Operating Supply Voltage (V) | 5.25 |
| Minimum Operating Temperature (°C) | -40 |
| Maximum Operating Temperature (°C) | 125 |
| Supplier Temperature Grade | Automotive |
| Packaging | Tape and Reel |
| Mounting | Surface Mount |
| Package Height | 0.73 mm |
| Package Width | 4 mm |
| Package Length | 4 mm |
| PCB changed | 24 |
| Standard Package Name | QFN |
| Supplier Package | QFN EP |
| Pin Count | 24 |
| Lead Shape | No Lead |
