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89C52 from ATMEL

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89C52

Manufacturer: ATMEL

CMOS SINGLE CHIP 8-BIT MICROCONTROLLER with 8-Kbytes of FLASH

Partnumber Manufacturer Quantity Availability
89C52 ATMEL 150 In Stock

Description and Introduction

CMOS SINGLE CHIP 8-BIT MICROCONTROLLER with 8-Kbytes of FLASH The AT89C52 is a low-power, high-performance CMOS 8-bit microcontroller with 8KB of Flash programmable and erasable read-only memory (PEROM). It is manufactured by ATMEL and is part of the 8051 family of microcontrollers. Key specifications include:

- **CPU**: 8-bit 8051-based
- **Flash Memory**: 8KB (programmable and erasable)
- **RAM**: 256 bytes
- **I/O Ports**: 32 programmable I/O lines (4 ports of 8 bits each)
- **Timers/Counters**: 3 (Timer 0, Timer 1, and Timer 2)
- **Serial Port**: 1 (UART)
- **Interrupts**: 8 interrupt sources (6 vectors)
- **Clock Speed**: Up to 24 MHz
- **Operating Voltage**: 4.0V to 5.5V
- **Power Consumption**: Low-power idle and power-down modes
- **Package**: Available in 40-pin DIP, 44-pin PLCC, and 44-pin PQFP packages
- **Operating Temperature**: -40°C to +85°C
- **EEPROM**: None (external EEPROM can be interfaced if needed)
- **Special Features**: Watchdog timer, power-off flag, and flexible programming options

The AT89C52 is widely used in embedded systems for its robustness, ease of use, and compatibility with the 8051 instruction set.

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