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80C51

CMOS 0 to 42 MHz Single-Chip 8 Bit Microcontroller

Partnumber Manufacturer Quantity Availability
80C51 1500 In Stock

Description and Introduction

CMOS 0 to 42 MHz Single-Chip 8 Bit Microcontroller The 80C51 is a microcontroller from the MCS-51 family, originally developed by Intel. Here are the key specifications:

- **Architecture**: 8-bit
- **CPU**: 8051 core
- **Clock Speed**: Typically operates at up to 12 MHz
- **Memory**:
  - **ROM**: 4 KB (mask-programmable)
  - **RAM**: 128 bytes
- **I/O Ports**: 32 I/O lines (4 ports of 8 bits each)
- **Timers/Counters**: 2 x 16-bit timers/counters
- **Serial Communication**: UART (Universal Asynchronous Receiver/Transmitter)
- **Interrupts**: 5 interrupt sources with 2 priority levels
- **Power Consumption**: Low power consumption, suitable for battery-operated devices
- **Package**: Available in 40-pin DIP (Dual In-line Package) and other formats
- **Operating Voltage**: Typically 5V
- **Temperature Range**: Commercial (0°C to 70°C) and industrial (-40°C to 85°C) versions available

The 80C51 is widely used in embedded systems and has been second-sourced by many manufacturers, leading to variations and enhancements in its design.

Partnumber Manufacturer Quantity Availability
80C51 OKI 1050 In Stock

Description and Introduction

CMOS 0 to 42 MHz Single-Chip 8 Bit Microcontroller The OKI 80C51 is a microcontroller based on the 8051 architecture. Key specifications include:

- **Core**: 8-bit 8051 CPU
- **Clock Speed**: Typically operates at up to 12 MHz
- **Memory**: 
  - 4 KB of on-chip ROM (program memory)
  - 128 bytes of on-chip RAM (data memory)
- **I/O Ports**: 32 I/O lines (4 ports of 8 bits each)
- **Timers/Counters**: 2 x 16-bit timers/counters
- **Serial Communication**: Full-duplex UART (Universal Asynchronous Receiver/Transmitter)
- **Interrupts**: 5 interrupt sources with 2 priority levels
- **Power Supply**: Operates at 5V DC
- **Package**: Available in 40-pin DIP (Dual In-line Package) or other formats

These specifications are typical for the OKI 80C51 microcontroller, but exact details may vary depending on the specific model or variant.

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