Features
80C52 Compatible – 8051 Instruction Compatible
– Four 8-bit I/O Ports (44 Pins Version)
– Three 16-bit Timer/Counters – 256 bytes Scratch Pad RAM
– 11 Interrupt Sources With 4 Priority Levels ISP (In-System Programming) Using Standard VCC Power Supply Integrated Power Monitor (POR/PFD) to Supervise Internal Power Supply Boot ROM Contains Ser...