Features
•
Compatible with MCS
®
-51
Products
•
8K Bytes of In-System Programmable (ISP) Flash Memory
– Endurance: 10,000 Write/Erase Cycles
•
4.0V to 5.5V Operating Range
•
Fully Static Operation: 0 Hz to 33 MHz
•
Three-level Program Memory Lock
•
256 x 8-bit Internal RAM
•
32 Programmable I/O Lines
•
Three 16-bit Timer/Counters
•
Eight Interrupt Sources
•
Full Duplex UART Serial Channel
•
Low-power Idle and Power-down Modes
•
Interrupt Recovery from Power-down Mode
•
Watchdog Timer
•
Dual Data Pointer
•
Power-off Flag
•
Fast Programming Time
•
Flexible ISP Programming (Byte and Page Mode)
•
Green (Pb/Halide-free) Packaging Opti