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AT89C4051
  • AT89C4051
  • AT89C4051

AT89C4051

In Production

A low-voltage, high-performance CMOS 8-bit microcontroller with 4KB of flash programmable and erasable read-only memory (PEROM). The device uses Microchip's s high-density nonvolatile memory technology and is compatible with the industry-standard MCS-51 instruction set. This versatile 8-bit CPU with flash provides a highly-flexible and cost-effective solution for many embedded control applications.

Microchip Technology AT89C4051 Product Info

16 April 2026 1

Parameters

Program Memory Size (KB)

4

RAM

0

Data EEPROM (bytes)

0

Pin Count

20

Operation Voltage Max.(V)

6

Operation Voltage Min.(V)

2.7

ADC Resolution Max

0

ADC Channels

0

Zero Cross Detect

False

Number of Comparators

0

SPI

0

I2C

0

Stand alone PWM

0

Low Power

No

Numerically Controlled Oscillator (NCO)

0

Data Signal Modulator (DSM)

0

Description

A low-voltage, high-performance CMOS 8-bit microcontroller with 4KB of flash programmable and erasable read-only memory (PEROM). The device uses Microchip's s high-density nonvolatile memory technology and is compatible with the industry-standard MCS-51 instruction set. This versatile 8-bit CPU with flash provides a highly-flexible and cost-effective solution for many embedded control applications.

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