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MC68HC908SR12CFA
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MC68HC908SR12CFA

Product Overview

  • Category: Microcontroller
  • Use: Embedded systems, control applications
  • Characteristics: Low power consumption, high performance, compact size
  • Package: 48-pin LQFP (Low Profile Quad Flat Package)
  • Essence: A powerful microcontroller designed for various control applications
  • Packaging/Quantity: Available in tape and reel packaging, quantity varies based on customer requirements

Specifications

  • Architecture: 8-bit
  • Clock Speed: Up to 8 MHz
  • Flash Memory: 12 KB
  • RAM: 512 bytes
  • I/O Pins: 38
  • Timers: 2
  • Communication Interfaces: SPI, I2C, UART
  • Operating Voltage: 2.7V to 5.5V
  • Operating Temperature: -40°C to +85°C

Pin Configuration

The MC68HC908SR12CFA microcontroller has a total of 48 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. PTD0 - General-purpose I/O pin
  30. PTD1 - General-purpose I/O pin
  31. PTD2 - General-purpose I/O pin
  32. PTD3 - General-purpose I/O pin
  33. PTD4 - General-purpose I/O pin
  34. PTD5 - General-purpose I/O pin
  35. PTD6 - General-purpose I/O pin
  36. PTD7 - General-purpose I/O pin
  37. VCAP - External capacitor connection for voltage regulator
  38. VDDA - Analog power supply voltage
  39. VSSA - Analog ground
  40. AD0 - Analog input channel 0
  41. AD1 - Analog input channel 1
  42. AD2 - Analog input channel 2
  43. AD3 - Analog input channel 3
  44. AD4 - Analog input channel 4
  45. AD5 - Analog input channel 5
  46. AD6 - Analog input channel 6
  47. AD7 - Analog input channel 7
  48. VREFH - High reference voltage for analog-to-digital converter

Functional Features

  • Low power consumption allows for battery-powered applications
  • High-performance architecture enables efficient execution of control algorithms
  • Compact size makes it suitable for space-constrained designs
  • Flexible communication interfaces (SPI, I2C, UART) facilitate connectivity with other devices
  • Built-in timers provide precise timing control
  • Wide operating voltage range ensures compatibility with various power sources

Advantages and Disadvantages

Advantages: - Low power consumption extends battery life - High-performance architecture enables fast and efficient processing - Compact size allows for integration into small form factor designs - Versatile communication interfaces enhance connectivity options - Precise timing control with built-in timers

Disadvantages: - Limited flash memory capacity may restrict the complexity of applications - 8-bit architecture may not be suitable for computationally intensive tasks

Working Principles

The MC68HC908SR12CFA microcontroller operates based on an 8-bit architecture. It executes instructions stored in its flash memory to perform various control functions. The microcontroller interacts with external devices through its I/O

Wymień 10 typowych pytań i odpowiedzi związanych z zastosowaniem MC68HC908SR12CFA w rozwiązaniach technicznych

Sure! Here are 10 common questions and answers related to the application of MC68HC908SR12CFA in technical solutions:

  1. Q: What is MC68HC908SR12CFA? A: MC68HC908SR12CFA is a microcontroller from the HC08 family, manufactured by Freescale (now NXP). It is commonly used in various technical solutions.

  2. Q: What are the key features of MC68HC908SR12CFA? A: Some key features include an 8-bit CPU, 12KB of flash memory, 512 bytes of RAM, multiple I/O ports, timers, and analog-to-digital converters.

  3. Q: What applications can MC68HC908SR12CFA be used for? A: MC68HC908SR12CFA can be used in a wide range of applications such as industrial control systems, automotive electronics, home automation, and consumer electronics.

  4. Q: How do I program MC68HC908SR12CFA? A: MC68HC908SR12CFA can be programmed using assembly language or high-level programming languages like C. You will need a compatible programmer and development environment.

  5. Q: Can MC68HC908SR12CFA communicate with other devices? A: Yes, MC68HC908SR12CFA supports various communication protocols such as UART, SPI, and I2C, allowing it to communicate with other devices like sensors, displays, and actuators.

  6. Q: What is the power supply requirement for MC68HC908SR12CFA? A: MC68HC908SR12CFA typically operates at a voltage range of 2.7V to 5.5V, making it compatible with a wide range of power supply options.

  7. Q: Can MC68HC908SR12CFA handle analog signals? A: Yes, MC68HC908SR12CFA has built-in analog-to-digital converters (ADCs) that can be used to measure analog signals from sensors or other sources.

  8. Q: Is MC68HC908SR12CFA suitable for low-power applications? A: Yes, MC68HC908SR12CFA has power-saving features like multiple sleep modes and wake-up interrupts, making it suitable for low-power applications where energy efficiency is important.

  9. Q: Are there any development tools available for MC68HC908SR12CFA? A: Yes, NXP provides development tools like IDEs (Integrated Development Environments), debuggers, and programmers specifically designed for programming and debugging MC68HC908SR12CFA.

  10. Q: Can I find technical documentation and support for MC68HC908SR12CFA? A: Yes, NXP provides datasheets, reference manuals, application notes, and online forums where you can find technical documentation and get support for MC68HC908SR12CFA.