Description
●The AT89C51 is a low-power, high-performance CMOS 8-bit microcomputer with 4K bytes of Flash programmable and erasable read only memory (PEROM). The device is manufactured using Atmel’s high-density nonvolatile memory technology and is compatible with the industry-standard MCS-51 instruction set and pinout.
●Features
●• Compatible with MCS-51™ Products
●• 4K Bytes of In-System Reprogrammable Flash Memory
●– Endurance: 1,000 Write/Erase Cycles
●• Fully Static Operation: 0 Hz to 24 MHz
●• Three-level Program Memory Lock
●• 128 x 8-bit Internal RAM
●• 32 Programmable I/O Lines
●• Two 16-bit Timer/Counters
●• Six Interrupt Sources
●• Programmable Serial Channel
●• Low-power Idle and Power-down Modes