| 产品参数 | |
| 描述 | 8-Bit Microcontroller, 4KB ISP Flash, 256 Bytes Flash Data Memory |
| Flash (Kbytes) | 4 Kbytes |
| Max Operating Freq (MHz) | 20 MHz |
| CPU | 8051-1C |
| Max I/O Pins | 36 |
| Pin Count | 44 |
| UART | 1 |
| SRAM (Kbytes) | 0.25 |
| EEPROM (Bytes) | 256 |
| Self Program Memory | IAP |
| Operating Voltage (Vcc) | 2.4 to 5.5 |
| Timers | 3 |
| ISP | SPI |
| Watchdog | Yes |
