AT89C4051 - ATMEL Corporation

AT89C4051 8-Bit Microcontroller

The AT89C4051 is a low-voltage, high-performance CMOS 8-bit microcontroller with 4K bytes of Flash programmable and erasable read-only memory. The device is manufactured using Atmel’s high-density nonvolatile memory technology and is compatible with the industry-standard MCS-51 instruction set. By combining a versatile 8-bit CPU with Flash on a monolithic ch.

Features

• Compatible with MCS®51 Products
• 4K Bytes of Reprogrammable Flash Memory
  – Endurance: 10,000 Write/Erase Cycles
• 2.7V to 6V Operating Range
• Fully Static Operation: 0 Hz to 24 MHz
• Two-level Program Memory Lock
• 128 x 8-bit Internal RAM
• 15 Programmable I/O Lines
• Two 16-bit Timer/Counters
• Six Interrupt Sources
• Programmable Serial UART Channel
• Direct LED Drive Outputs
• On-chip Analog Comparator
• Low-power Idle and Power-down Modes
• Brown-out Detection
• Power-On Reset (POR)
• Green (Pb/Halide-free/RoHS Compliant) Packaging 1. Description The AT89C4051 is a low-voltage, high-p.