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| SRAM | 256 |
| Data Flash | 128 |
| I/O | 36 |
| Timer | 3*16-bit , 1*12-bit |
| UART | 1 |
| SPI | 1 |
| I2C | 1 |
| PWM | 8*12-bit |
| ADC | 8*10-bit |
| ISP/ICP/IAP | Yes |
| Status | Mass Production |
| INT | 2 |
| Special Function | internal 22 MHz RC , OP,3 level BOR |
| Comparator | 1 |
The Nuvoton Low Pin Count 8051 series supports operating voltage from 2.4V to 5.5V and operating temperature from -40℃ to 85℃.

