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MC68HC908KX8CP from FREESCAL

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MC68HC908KX8CP

Manufacturer: FREESCAL, MOT

Microcontrollers

Partnumber Manufacturer Quantity Availability
MC68HC908KX8CP FREESCAL, MOT 51 In Stock

Description and Introduction

Microcontrollers # **MC68HC908KX8CP: A Reliable 8-Bit Microcontroller for Embedded Applications**  

The **MC68HC908KX8CP** is an 8-bit microcontroller from NXP Semiconductors, designed for cost-sensitive embedded applications requiring efficient performance and low power consumption. Built on the **HC08 architecture**, this microcontroller offers a balance of processing power, memory capacity, and peripheral integration, making it an excellent choice for industrial control, consumer electronics, and automation systems.  

## **Key Features and Benefits**  

### **1. High-Performance 8-Bit Core**  
At its core, the MC68HC908KX8CP operates at a clock speed of **8 MHz**, delivering sufficient processing power for real-time control tasks. The **HC08 CPU** ensures efficient execution of instructions while maintaining low power consumption, making it ideal for battery-operated or energy-efficient applications.  

### **2. Integrated Memory and Storage**  
The microcontroller includes **8 KB of Flash memory**, allowing for flexible firmware updates and reprogramming. Additionally, it features **256 bytes of RAM**, ensuring smooth operation for small to medium-sized embedded applications. The inclusion of **256 bytes of EEPROM** provides non-volatile storage for critical data, such as configuration settings or calibration parameters.  

### **3. Versatile Peripheral Integration**  
The MC68HC908KX8CP integrates multiple on-chip peripherals, reducing the need for external components and simplifying system design. Key peripherals include:  
- **16-bit timer with input capture and output compare** for precise timing and PWM generation.  
- **Serial Peripheral Interface (SPI)** and **Serial Communication Interface (SCI)** for seamless communication with sensors, displays, and other devices.  
- **8-channel, 8-bit ADC** for analog signal acquisition, useful in sensor-based applications.  
- **Programmable I/O ports** with configurable pull-up resistors for flexible interfacing.  

### **4. Low Power Consumption**  
Engineered for energy efficiency, the MC68HC908KX8CP supports multiple low-power modes, including **Wait and Stop modes**, allowing designers to minimize power consumption in standby or idle states. This feature is particularly beneficial for portable or battery-powered devices where extended operation is critical.  

### **5. Robust Development Support**  
Developers working with the MC68HC908KX8CP benefit from a well-established ecosystem, including **comprehensive datasheets, application notes, and development tools**. The microcontroller is compatible with industry-standard **C compilers and debuggers**, streamlining the firmware development process.  

## **Applications**  
Thanks to its reliable performance and integrated features, the MC68HC908KX8CP is well-suited for a variety of embedded applications, such as:  
- **Home appliances** (microwaves, washing machines, thermostats)  
- **Industrial control systems** (motor control, sensor interfacing)  
- **Automotive electronics** (dashboard controls, lighting systems)  
- **Consumer electronics** (remote controls, smart devices)  

## **Conclusion**  
The **MC68HC908KX8CP** microcontroller provides a cost-effective, efficient solution for embedded designs requiring an 8-bit architecture with integrated peripherals and low power consumption. Its combination of **Flash memory, versatile I/O, and robust development support** makes it a dependable choice for engineers seeking a balance between performance and affordability.  

For developers looking to implement a proven, low-power microcontroller in their next project, the MC68HC908KX8CP offers the right mix of features and reliability.

Application Scenarios & Design Considerations

Microcontrollers

Alternative Part Number

  • ATMEGA88PA-PU --: 8-bit AVR microcontroller in 28-pin DIP with comparable flash, RAM, and peripherals; widely available and pin-functionally similar for many 68HC08 applications.
  • PIC16F886-I/SP --: 8-bit PIC MCU in 28-pin DIP with similar I/O count, timers, and serial interfaces; good drop-in candidate when firmware is ported.
  • AT89S52-24PU --: Classic 8051-compatible 8-bit MCU in 40-pin DIP with ample flash and I/O; suitable for legacy designs needing a simple, well-supported replacement.
  • MC68HC908KX8CDW --: Same HC08 KX8 microcontroller family with identical core and memory, offered in a different package (SOIC) for drop-in functional replacement.
  • MC68HC908KX8MDW --: Same KX8 device in an extended temperature grade and SOIC package, suitable when the original DIP part is unavailable.
  • MC68HC908KX8VDW --: Same KX8 microcontroller with identical peripherals and flash, in a different package and temperature rating for design flexibility.

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