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89C51 from ATMEL

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89C51

Manufacturer: ATMEL

80C51 8-bit microcontroller family 4K/8K/16K/32K Flash

Partnumber Manufacturer Quantity Availability
89C51 ATMEL 100 In Stock

Description and Introduction

80C51 8-bit microcontroller family 4K/8K/16K/32K Flash The 89C51 is a microcontroller manufactured by ATMEL. Below are the factual specifications:

1. **Architecture**: 8-bit microcontroller based on the 8051 architecture.
2. **Flash Memory**: 4 KB of in-system programmable (ISP) Flash memory.
3. **RAM**: 128 bytes of on-chip RAM.
4. **I/O Ports**: 32 programmable I/O lines (4 ports with 8 bits each).
5. **Timers/Counters**: Two 16-bit timers/counters.
6. **Serial Communication**: Full-duplex UART (Universal Asynchronous Receiver/Transmitter).
7. **Interrupts**: 6 interrupt sources with 2 priority levels.
8. **Clock Speed**: Operates at up to 24 MHz.
9. **Power Consumption**: Low power consumption in idle and power-down modes.
10. **Operating Voltage**: Typically 4.0V to 5.5V.
11. **Package**: Available in 40-pin DIP (Dual In-line Package) and other package options.
12. **Temperature Range**: Commercial (0°C to 70°C) and industrial (-40°C to 85°C) temperature ranges.
13. **EEPROM**: No internal EEPROM (external EEPROM can be interfaced if needed).
14. **Special Features**: ISP capability, watchdog timer, and power-saving modes.

These specifications are based on the standard 89C51 microcontroller from ATMEL.

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