IC MCU 8BIT 32KB FLASH 44VQFP
| Parameter Name | Attribute value |
| core processor | 80C51 |
| core size | 8-bit |
| speed | 40MHz |
| Connectivity | CANbus，UART/USART |
| Peripheral | POR，PWM，WDT |
| Number of I/Os | 32 |
| Program storage capacity | 32KB（32K x 8） |
| Program memory type | flash memory |
| EEPROM capacity | 2K x 8 |
| RAM capacity | 1.25K x 8 |
| Voltage - Power Supply (Vcc/Vdd) | 3 V ~ 5.5 V |
| data converter | A/D 8x10b |
| Oscillator type | external |
| Operating temperature | -40°C ~ 85°C（TA） |
| Package/casing | 44-LQFP |
| Supplier device packaging | 44-VQFP（10x10） |
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