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T89C5121-ICSIL from ATMEL

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T89C5121-ICSIL

Manufacturer: ATMEL

8-bit Microcontroller with Multi protocol SMART Card Interface

Partnumber Manufacturer Quantity Availability
T89C5121-ICSIL,T89C5121ICSIL ATMEL 16 In Stock

Description and Introduction

8-bit Microcontroller with Multi protocol SMART Card Interface The part **T89C5121-ICSIL** is manufactured by **ATMEL** (now part of Microchip Technology).  

### **Specifications:**  
- **Core:** 8-bit 8051 microcontroller  
- **Flash Memory:** 128 KB (expandable up to 1 MB with external memory)  
- **RAM:** 8 KB  
- **Clock Speed:** Up to 40 MHz  
- **Operating Voltage:** 4.5V to 5.5V  
- **Package:** ICSIL (Industrial Temperature Range)  
- **I/O Pins:** 32  
- **Timers:** Three 16-bit timers/counters  
- **Serial Communication:** UART, SPI, I²C  
- **Interrupt Sources:** 8  
- **ADC:** Not integrated (external ADC required)  
- **Watchdog Timer:** Yes  

### **Descriptions:**  
The **T89C5121-ICSIL** is a high-performance 8051-based microcontroller with enhanced features, including a large Flash memory and fast execution speed. It is designed for industrial applications requiring robust performance and extended temperature operation.  

### **Features:**  
- **High-Speed 8051 Core** with single-cycle execution  
- **In-System Programmable (ISP) Flash** for easy firmware updates  
- **Power Management Modes** (Idle and Power-down)  
- **Hardware Watchdog Timer** for system reliability  
- **Industrial Temperature Range** (-40°C to +85°C)  
- **JTAG Debugging Support** (optional)  
- **External Memory Interface** for expansion  

This microcontroller is commonly used in industrial control systems, automotive electronics, and embedded applications requiring high reliability.  

(Note: For exact datasheet details, refer to the official Microchip/ATMEL documentation.)

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