FEATURES
- 80C51 CPU core
- 3.0 ~ 3.6V voltage range
- On-chip Flash program memory with in-system programming ( ISP )
- Operating frequency up to 40MHz (12x), 20MHz(6x)
- 64K bytes Flash memory for code memory
- 1280 bytes internal data RAM
- Low power consumption
- Code and data memory expandable to 64K Bytes
- Four 8 bit and one 4 bit general purpose I/O ports
- Three standard 16-bit Timers
- In - Application Programming( IAP ) capability
- On-chip Watch Dog Timer
- Four channel PWM outputs/4bit general purpose I/O ports ( PLCC & LQFP only )
- UART
- 7 interrupt sources with four priority level
- 5 volt tolerant input
- 400kb/s I2C
- 6x / 12x clock mode