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TS80C31X2-MCA from TEMIC

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TS80C31X2-MCA

Manufacturer: TEMIC, ATMEL, AT

8-bit CMOS Microcontroller ROMless

Partnumber Manufacturer Quantity Availability
TS80C31x2-MCA,TS80C31x2MCA TEMIC, ATMEL, AT 788 In Stock

Description and Introduction

8-bit CMOS Microcontroller ROMless The **TS80C31X2-MCA** is a microcontroller manufactured by **AT (Atmel)**. Below are its specifications, descriptions, and features based on factual data:

### **Specifications:**
- **Core:** 80C51 (8-bit)  
- **Clock Speed:** Up to **33 MHz**  
- **Program Memory (ROM):** **None (ROM-less)**, requires external memory  
- **RAM (Internal):** **256 bytes**  
- **Timers/Counters:** **3 (Two 16-bit, One 8-bit)**  
- **I/O Ports:** **32 (Four 8-bit ports)**  
- **Serial Communication:** **UART (Full-duplex)**  
- **Interrupt Sources:** **6**  
- **Power Supply:** **4.5V to 5.5V**  
- **Operating Temperature:** **-40°C to +85°C**  
- **Package:** **PLCC (Plastic Leaded Chip Carrier)**  

### **Descriptions:**
- The **TS80C31X2-MCA** is a high-performance CMOS version of the **80C51** microcontroller.  
- It is **ROM-less**, meaning it must be used with external program memory.  
- Designed for **high-speed** applications with a **6-clock machine cycle** (twice as fast as standard 80C51).  
- Features **low-power idle and power-down modes** for energy efficiency.  
- Compatible with the **MCS-51 instruction set**.  

### **Features:**
- **High-Speed Operation:** Up to **33 MHz** clock frequency.  
- **Low Power Consumption:** Supports **Idle** and **Power-Down** modes.  
- **Enhanced UART:** Full-duplex serial communication.  
- **Expanded Interrupt System:** **6 interrupt sources** with two priority levels.  
- **On-Chip Oscillator:** Requires only an external crystal.  
- **Boolean Processor:** Direct bit manipulation for control applications.  
- **Wide Voltage Range:** Operates from **4.5V to 5.5V**.  

This microcontroller is commonly used in industrial control, embedded systems, and applications requiring high-speed processing with external memory support.

Application Scenarios & Design Considerations

8-bit CMOS Microcontroller ROMless

Alternative Part Number

  • P80C31BH --: Classic 80C31 CMOS microcontroller in the same 8051 family with compatible core and pinout, widely available as a direct functional substitute.
  • AT89C51 --: 8051-compatible microcontroller with on-chip Flash, can replace the ROMless 80C31 in most designs where internal program memory is acceptable.
  • DS80C310 --: High-speed 8051-compatible ROMless microcontroller with similar architecture and pinout, suitable as a drop-in style alternative.
  • P80C31SBAA --: Pin-compatible 80C31 CMOS microcontroller in PLCC44 with similar speed and power characteristics, widely available as a direct socket replacement.
  • AT89C51-24JI --: Same Atmel 8051 core family in PLCC44, includes 4KB flash and is a common drop-in upgrade path for legacy 80C31 designs.
  • DS80C310-MCG --: High-speed 8051-compatible microcontroller in PLCC44 with enhanced architecture, suitable where higher performance is acceptable.
  • AT89C51-24JC --: 8051-compatible MCU in PLCC44 with 4KB flash, can replace the ROMless 80C31 in most designs where internal code memory is acceptable.
  • W78E052DPG --: 8051-core microcontroller in PLCC44 with similar timing and peripherals, offering a cost-effective drop-in style alternative.

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