NXP USA Inc.
图片可能具有代表性。
产品详情请参阅规格.
MC908EY8ACFJE
查看详情 数据表

MC908EY8ACFJE

Product Overview

  • Category: Microcontroller
  • Use: Embedded systems, control applications
  • Characteristics: High-performance, low-power consumption, compact size
  • Package: Integrated circuit (IC)
  • Essence: Central processing unit (CPU) with integrated memory and peripherals
  • Packaging/Quantity: Available in various package types (e.g., QFP, LQFP) with different pin counts (e.g., 32, 44, 64)

Specifications

  • Architecture: 8-bit
  • Clock Speed: Up to 20 MHz
  • Memory: Flash program memory (up to 8 KB), RAM (up to 512 bytes)
  • Peripherals: Timers, UART, SPI, I2C, ADC, PWM
  • Operating Voltage: 2.7V to 5.5V
  • Temperature Range: -40°C to +85°C
  • Package Type: QFP-44

Detailed Pin Configuration

The MC908EY8ACFJE microcontroller has a total of 44 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. PTC0: General-purpose I/O pin
  22. PTC1: General-purpose I/O pin
  23. PTC2: General-purpose I/O pin
  24. PTC3: General-purpose I/O pin
  25. PTC4: General-purpose I/O pin
  26. PTC5: General-purpose I/O pin
  27. PTC6: General-purpose I/O pin
  28. PTC7: General-purpose I/O pin
  29. VCAP: External capacitor connection for voltage regulator
  30. VDDA: Analog power supply voltage
  31. VREFH: High reference voltage for ADC
  32. VREFL: Low reference voltage for ADC
  33. AD0: Analog input channel 0
  34. AD1: Analog input channel 1
  35. AD2: Analog input channel 2
  36. AD3: Analog input channel 3
  37. AD4: Analog input channel 4
  38. AD5: Analog input channel 5
  39. AD6: Analog input channel 6
  40. AD7: Analog input channel 7
  41. AD8: Analog input channel 8
  42. AD9: Analog input channel 9
  43. AD10: Analog input channel 10
  44. AD11: Analog input channel 11

Functional Features

  • High-performance 8-bit CPU with efficient instruction set
  • Integrated memory (Flash and RAM) for program and data storage
  • Various peripherals for versatile control applications
  • Low-power consumption for energy-efficient designs
  • Wide operating voltage range for flexibility in power supply options

Advantages and Disadvantages

Advantages

  • Compact size and various package options allow for space-saving designs
  • High-performance CPU enables fast and efficient processing
  • Integrated memory reduces the need for external components
  • Versatile peripherals provide flexibility in system design
  • Low-power consumption extends battery life in portable devices

Disadvantages

  • Limited processing power compared to higher-bit microcontrollers
  • Limited memory capacity may restrict complex application development
  • Availability of alternative models with more advanced features

Working Principles

The MC908EY8ACFJE microcontroller operates based on the Von Neumann architecture. It consists of a central processing unit (CPU), memory, and various peripherals. The CPU executes instructions stored in the Flash program memory and interacts with the peripherals to perform specific tasks. The integrated memory allows for efficient data storage and retrieval during operation. The microcontroller operates within a specified voltage range and temperature range to ensure reliable performance.

Detailed Application

10个与MC908EY8ACFJE在技术解决方案中的应用相关的常见问题及解答

Sure! Here are 10 common questions and answers related to the application of MC908EY8ACFJE in technical solutions:

  1. Q: What is MC908EY8ACFJE? A: MC908EY8ACFJE is a microcontroller from the MC9S08 family, specifically designed for embedded control applications.

  2. Q: What are the key features of MC908EY8ACFJE? A: Some key features include an 8-bit CPU core, 8KB flash memory, 256 bytes of RAM, multiple communication interfaces, and analog-to-digital converters.

  3. Q: What are the typical applications of MC908EY8ACFJE? A: MC908EY8ACFJE is commonly used in various technical solutions such as industrial automation, consumer electronics, automotive systems, and home appliances.

  4. Q: How can I program MC908EY8ACFJE? A: MC908EY8ACFJE can be programmed using various development tools like Integrated Development Environments (IDEs) and programming languages like C or assembly.

  5. Q: Can MC908EY8ACFJE communicate with other devices? A: Yes, MC908EY8ACFJE supports multiple communication interfaces like UART, SPI, and I2C, enabling it to communicate with other devices or peripherals.

  6. Q: Does MC908EY8ACFJE have any analog capabilities? A: Yes, MC908EY8ACFJE has built-in analog-to-digital converters (ADCs), allowing it to interface with analog sensors or signals.

  7. Q: Is MC908EY8ACFJE suitable for low-power applications? A: Yes, MC908EY8ACFJE is designed to operate at low power and offers various power-saving modes, making it suitable for battery-powered or energy-efficient applications.

  8. Q: Can MC908EY8ACFJE be used in safety-critical systems? A: While MC908EY8ACFJE provides robust features, it is essential to consider the specific safety requirements of the system and consult relevant standards before using it in safety-critical applications.

  9. Q: Are there any development boards available for MC908EY8ACFJE? A: Yes, there are development boards specifically designed for MC908EY8ACFJE that provide a convenient platform for prototyping and testing.

  10. Q: Where can I find documentation and support for MC908EY8ACFJE? A: Documentation, datasheets, application notes, and technical support for MC908EY8ACFJE can be found on the manufacturer's website or community forums dedicated to microcontrollers.