Atmel 8051 AT89S52 AVR 40 Pin DIP Microcontroller

The Atmel 8051 AT89S52 is a low-power, high-performance CMOS 8-bit microcontroller with 8K bytes of in-system programmable Flash memory. The device is manufactured using Atmel’s high-density nonvolatile memory technology and is compatible with the industry-standard 89C51 instruction set and pinout.

Features:

• High-performance CMOS microcontroller with Flash Technology
• Operates in a wide range of 4 – 5.5 volts, making it a low-power IC
• Supports In-system Programming in both page and byte mode for Flash memory
• CPU operational frequency up to 33MHz (adjustable for energy saving)
• Quick programming time with 10,000 read/write cycles
• Random Access Memory organized as 256×8 bits
• Full duplex UART module for serial communication
• Includes reset option, three 16-bit timers, and eight interrupts
• Two power modes: idle mode (stops CPU, keeps peripherals active) and power-down mode (halts oscillator, preserves RAM contents)

Specifications:

• Compatible with MCS-51® Products
• 8K Bytes of In-System Programmable (ISP) Flash Memory
• Endurance: 1000 Write/Erase Cycles
• 4.0V to 5.5V Operating Range
• Fully Static Operation: 0 Hz to 33 MHz
• Three-level Program Memory Lock
• 256 x 8-bit Internal RAM
• 32 Programmable I/O Lines
• Three 16-bit Timer/Counters
• Eight Interrupt Sources
• Full Duplex UART Serial Channel
• Low-power Idle and Power-down Modes
• Interrupt Recovery from Power-down Mode
• Watchdog Timer
• Dual Data Pointer
• Power-off Flag

Datasheet:

AT89S52 Microcontroller

Applications:

Multiple DIY Projects, excellent choice for learning Atmel, projects requiring multiple I/O interfaces and communications, replacement for Arduino Module

Pinout Diagram:

Compatible with MCS-51® Products, 8K Bytes ISP Flash Memory, 1000 Write/Erase Cycles, 4.0V to 5.5V Range, Fully Static Operation (0–33 MHz), Program Memory Lock, 256 x 8-bit RAM, 32 I/O Lines, Timers, Interrupts, UART, Power Modes, Watchdog Timer, Dual Data Pointer, Power-off Flag

Package Includes:

1 x 8051 Atmel 89S52 Microcontroller