8-bit Microcontroller with 12K Bytes Flash
Features
• Compatible with MCS-51™ Products
• 12K Bytes of In-System Reprogrammable Downloadable Flash Memory
– SPI Serial Interface for Program Downloading
– Endurance: 1,000 Write/Erase Cycles
• 4V to 6V Operating Range
• Fully Static Operation: 0 Hz to 24 MHz
• Three-level Program Memory Lock
• 256 x 8-bit Internal RAM
• 32 Programmable I/O Lines
• Three 16-bit Timer/Counters
• Nine Interrupt Sources
• Programmable UART Serial Channel
• SPI Serial Interface
• Low-power Idle and Power-down Modes
• Interrupt Recovery From Power-down
• Programmable Watchdog Timer
• Dual Data Pointer
