The AT89C51 is a low-power, high-performance CMOS 8-bit microcontroller that belongs to Atmel’s 8051 family.AT89C51 has 4KB of Flash programmable and erasable read only memory (PEROM) and 128 bytes of RAM. It can be erased and program to a maximum of 1000 times.It’s Compatible with MCS-51™ Products.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. The on-chip
Flash allows the program memory to be reprogrammed in-system or by a conventional
nonvolatile memory programmer. By combining a versatile 8-bit CPU with Flash
on a monolithic chip, the Atmel AT89C51 is a powerful microcomputer which provides
FRATURES of AT89C51:
- Flash Memory : 4K Bytes
- CPU:8-Bit
- Maximum Operating Voltage:6.6V
- Maximum Ocsillator Frequency: 0 Hz to 24 MHz
- Internal RAM:128 x 8-Bit
- Programmable I/O Lines:32
- Timer/Counters:Two, 16-Bit
- • 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
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