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TN80C51FA from INTEL

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TN80C51FA

Manufacturer: INTEL

EVENT-CONTROL CHMOS SINGLE-CHIP 8-BIT MICROCONTROLLER

Partnumber Manufacturer Quantity Availability
TN80C51FA INTEL 214 In Stock

Description and Introduction

EVENT-CONTROL CHMOS SINGLE-CHIP 8-BIT MICROCONTROLLER The TN80C51FA is a microcontroller manufactured by Toshiba. Below are the specifications, descriptions, and features based on the available knowledge base:

### **Manufacturer:** Toshiba  

### **Specifications:**  
- **Architecture:** 8-bit CMOS microcontroller  
- **CPU Core:** 80C51 (MCS-51 compatible)  
- **Clock Speed:** Up to 16 MHz  
- **Program Memory (ROM):** 8 KB (mask ROM)  
- **RAM:** 256 bytes  
- **Timers:**  
  - Two 16-bit timers/counters (Timer 0 & Timer 1)  
  - One additional 16-bit timer (Timer 2) with capture/reload functions  
- **Interrupts:** 6 interrupt sources with two priority levels  
- **I/O Ports:**  
  - Four 8-bit bidirectional I/O ports (Port 0, Port 1, Port 2, Port 3)  
  - Some ports have alternate functions (e.g., serial communication, external memory interface)  
- **Serial Communication:**  
  - Full-duplex UART (serial port)  
- **Power Supply:**  
  - Operating voltage: 4.5V to 5.5V  
- **Power Consumption:** Low-power CMOS technology  
- **Package Options:**  
  - 40-pin DIP (Dual In-line Package)  
  - 44-pin PLCC (Plastic Leaded Chip Carrier)  

### **Features:**  
- **MCS-51 Instruction Set Compatibility:** Ensures software compatibility with the Intel 8051 family.  
- **On-Chip Oscillator:** Supports external crystal or clock input.  
- **Boolean Processor:** Supports bit-level operations for efficient control applications.  
- **External Memory Interface:** Can address up to 64 KB of external program and data memory.  
- **Power-Saving Modes:** Includes Idle and Power-Down modes for reduced power consumption.  
- **Watchdog Timer:** Optional watchdog timer for system reliability.  

### **Applications:**  
- Industrial control systems  
- Consumer electronics  
- Embedded control applications  
- Automotive systems  

This information is based on the manufacturer's datasheet and technical documentation. For detailed electrical characteristics and timing diagrams, refer to the official Toshiba TN80C51FA datasheet.

Application Scenarios & Design Considerations

EVENT-CONTROL CHMOS SINGLE-CHIP 8-BIT MICROCONTROLLER

Alternative Part Number

  • P80C51FA --: Same 80C51FA core and pinout from Intel, commonly used as a direct replacement in existing designs.
  • AT89C51 --: Widely available 8051-compatible microcontroller with similar features and pinout, suitable for legacy 80C51FA sockets.
  • DS89C450 --: 8051-compatible high-speed microcontroller that can replace 80C51FA in many applications with improved performance.
  • AT89C51RC --: Widely available 8051-compatible MCU with similar memory and peripherals, suitable replacement with minor code review.

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