產品資訊

Features Document Support

Enhanced 80C51 Central Processing Unit
3V/5V operation voltage, built-in Low-Voltage Detector and Reset circuit
Operation frequency range up to 25MHz
15.5K bytes on-chip flash memory with ISP/IAP capability
256 byte scratch-pad RAM
Two-level code protection for flash memory access
Two 16-bit timer/counter
7 sources, 4-level-priority interrupt capability
One enhanced UART with automatic address recognition and frame error detection
15 bits Watch-Dog-Timer with 8-bit pre-scalar, one-time enabled
SPI Master/Slave mode
Programmable Counter Array (PCA)
10-bit Analog-to-Digital Converter (ADC)
Power control: idle mode and power-down mode, Power-down can be woken-up through INT0 and INT1
27 programmable I/O ports
Alternative built-in 6MHz oscillator
Fully static operation
Excellent noise immunity
Very low power consumption