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MC68HC908JK3ECDW
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MC68HC908JK3ECDW

Product Overview

  • Category: Microcontroller
  • Use: Embedded systems, control applications
  • Characteristics: Low power consumption, high performance, compact size
  • Package: CDIP (Ceramic Dual In-line Package)
  • Essence: 8-bit microcontroller with integrated peripherals
  • Packaging/Quantity: Tape and reel, 2500 units per reel

Specifications

  • Architecture: 8-bit
  • Clock Speed: Up to 8 MHz
  • Flash Memory: 4 KB
  • RAM: 256 bytes
  • EEPROM: 128 bytes
  • I/O Pins: 20
  • Timers: 2
  • Serial Communication Interfaces: SPI, I2C, UART
  • Analog-to-Digital Converter: 8 channels, 10-bit resolution

Pin Configuration

The MC68HC908JK3ECDW microcontroller has a total of 28 pins. The pin configuration is as follows:

  1. VDD - Power supply voltage
  2. VSS - Ground
  3. RESET - Reset input
  4. IRQ - Interrupt request input
  5. PTA0 - General-purpose I/O pin
  6. PTA1 - General-purpose I/O pin
  7. PTA2 - General-purpose I/O pin
  8. PTA3 - General-purpose I/O pin
  9. PTA4 - General-purpose I/O pin
  10. PTA5 - General-purpose I/O pin
  11. PTA6 - General-purpose I/O pin
  12. PTA7 - General-purpose I/O pin
  13. PTB0 - General-purpose I/O pin
  14. PTB1 - General-purpose I/O pin
  15. PTB2 - General-purpose I/O pin
  16. PTB3 - General-purpose I/O pin
  17. PTB4 - General-purpose I/O pin
  18. PTB5 - General-purpose I/O pin
  19. PTB6 - General-purpose I/O pin
  20. PTB7 - General-purpose I/O pin
  21. VREFH - High reference voltage for ADC
  22. VREFL - Low reference voltage for ADC
  23. AD0 - Analog input channel 0
  24. AD1 - Analog input channel 1
  25. AD2 - Analog input channel 2
  26. AD3 - Analog input channel 3
  27. AD4 - Analog input channel 4
  28. AD5 - Analog input channel 5

Functional Features

  • Integrated flash memory for program storage
  • Built-in analog-to-digital converter for sensor interfacing
  • Multiple communication interfaces for data exchange
  • Timers for precise timing and event generation
  • Low power consumption for battery-powered applications
  • Compact size for space-constrained designs

Advantages and Disadvantages

Advantages: - Efficient use of power resources - Compact form factor - Versatile communication options - Ample I/O pins for peripheral connectivity

Disadvantages: - Limited processing power compared to higher-bit microcontrollers - Restricted memory capacity for complex applications

Working Principles

The MC68HC908JK3ECDW microcontroller operates based on the Von Neumann architecture. It executes instructions stored in its flash memory, which can be programmed by the user. The microcontroller interacts with external devices through its I/O pins and communication interfaces. It can read analog signals using the built-in analog-to-digital converter and perform digital signal processing tasks. The timers enable precise timing control, while the low power consumption ensures efficient operation in battery-powered systems.

Application Field Plans

The MC68HC908JK3ECDW microcontroller finds applications in various fields, including:

  1. Home automation systems
  2. Industrial control systems
  3. Automotive electronics
  4. Medical devices
  5. Consumer electronics

Alternative Models

  • MC68HC908JK1ECDW
  • MC68HC908JK2ECDW
  • MC68HC908JK4ECDW
  • MC68HC908JK5ECDW

These alternative models offer similar functionality and pin compatibility, providing flexibility for different design requirements.

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Listen Sie 10 häufige Fragen und Antworten im Zusammenhang mit der Anwendung von MC68HC908JK3ECDW in technischen Lösungen auf

Sure! Here are 10 common questions and answers related to the application of MC68HC908JK3ECDW in technical solutions:

  1. Q: What is MC68HC908JK3ECDW? A: MC68HC908JK3ECDW is a microcontroller from the HC08 family, manufactured by NXP Semiconductors.

  2. Q: What are the key features of MC68HC908JK3ECDW? A: Some key features include an 8-bit CPU core, 4 KB of flash memory, 256 bytes of RAM, multiple I/O ports, and built-in peripherals like timers, UART, and ADC.

  3. Q: What are the typical applications of MC68HC908JK3ECDW? A: MC68HC908JK3ECDW is commonly used in various embedded systems, such as industrial control systems, automotive electronics, consumer electronics, and home automation.

  4. Q: How can I program MC68HC908JK3ECDW? A: You can program MC68HC908JK3ECDW using assembly language or high-level languages like C/C++. There are also dedicated programming tools and software available for this microcontroller.

  5. Q: Can MC68HC908JK3ECDW communicate with other devices? A: Yes, MC68HC908JK3ECDW has built-in UART (Universal Asynchronous Receiver-Transmitter) modules that enable serial communication with other devices.

  6. Q: How much power does MC68HC908JK3ECDW consume? A: The power consumption of MC68HC908JK3ECDW depends on various factors like clock frequency, operating voltage, and the specific application. It is generally designed to be power-efficient.

  7. Q: Can MC68HC908JK3ECDW handle analog signals? A: Yes, MC68HC908JK3ECDW has an integrated Analog-to-Digital Converter (ADC) module that allows it to measure and process analog signals.

  8. Q: Is MC68HC908JK3ECDW suitable for battery-powered applications? A: Yes, MC68HC908JK3ECDW is often used in battery-powered applications due to its low power consumption and ability to operate at lower voltages.

  9. Q: Are there any development boards available for MC68HC908JK3ECDW? A: Yes, there are development boards specifically designed for MC68HC908JK3ECDW, which provide easy prototyping and debugging capabilities.

  10. Q: Where can I find documentation and resources for MC68HC908JK3ECDW? A: You can find the datasheet, reference manual, application notes, and other resources on the NXP Semiconductors website or through online communities and forums dedicated to embedded systems.