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MC908GR48AVFAE
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MC908GR48AVFAE

Product Overview

  • Category: Microcontroller
  • Use: Embedded systems, control applications
  • Characteristics: High-performance, low-power consumption, compact size
  • Package: 48-pin QFP (Quad Flat Package)
  • Essence: Integrated circuit for controlling and managing electronic devices
  • Packaging/Quantity: Tape and reel packaging, available in bulk quantities

Specifications

  • Architecture: 8-bit
  • Clock Speed: Up to 8 MHz
  • Flash Memory: 48 KB
  • RAM: 2 KB
  • Operating Voltage: 2.7V to 5.5V
  • I/O Pins: 38
  • Communication Interfaces: SPI, I2C, UART
  • Timers: 4-channel 16-bit timers
  • Analog-to-Digital Converter: 10-bit resolution, 8 channels

Pin Configuration

The MC908GR48AVFAE microcontroller has a total of 48 pins. The pin configuration is as follows:

  1. VDD - Power supply voltage
  2. VSS - Ground
  3. PTA0 - General-purpose I/O pin
  4. PTA1 - General-purpose I/O pin
  5. PTA2 - General-purpose I/O pin
  6. PTA3 - General-purpose I/O pin
  7. PTA4 - General-purpose I/O pin
  8. PTA5 - General-purpose I/O pin
  9. PTA6 - General-purpose I/O pin
  10. PTA7 - General-purpose I/O pin
  11. RESET - Reset pin
  12. PTB0 - General-purpose I/O pin
  13. PTB1 - General-purpose I/O pin
  14. PTB2 - General-purpose I/O pin
  15. PTB3 - General-purpose I/O pin
  16. PTB4 - General-purpose I/O pin
  17. PTB5 - General-purpose I/O pin
  18. PTB6 - General-purpose I/O pin
  19. PTB7 - General-purpose I/O pin
  20. PTC0 - General-purpose I/O pin
  21. PTC1 - General-purpose I/O pin
  22. PTC2 - General-purpose I/O pin
  23. PTC3 - General-purpose I/O pin
  24. PTC4 - General-purpose I/O pin
  25. PTC5 - General-purpose I/O pin
  26. PTC6 - General-purpose I/O pin
  27. PTC7 - General-purpose I/O pin
  28. VDDA - Analog power supply voltage
  29. VREFH - High reference voltage for ADC
  30. VREFL - Low reference voltage for ADC
  31. AD0 - Analog input channel 0
  32. AD1 - Analog input channel 1
  33. AD2 - Analog input channel 2
  34. AD3 - Analog input channel 3
  35. AD4 - Analog input channel 4
  36. AD5 - Analog input channel 5
  37. AD6 - Analog input channel 6
  38. AD7 - Analog input channel 7
  39. VSSA - Analog ground
  40. IRQ - Interrupt request pin
  41. XTAL - Crystal oscillator input
  42. EXTAL - Crystal oscillator output
  43. VCAP - External capacitor connection for the internal voltage regulator
  44. VDDPLL - Power supply voltage for the internal PLL
  45. VSSPLL - Ground for the internal PLL
  46. OSC2 - Oscillator output
  47. OSC1 - Oscillator input
  48. VBAT - Backup battery voltage input

Functional Features

  • High-performance 8-bit microcontroller suitable for control applications
  • Low-power consumption for energy-efficient designs
  • Compact size enables integration into space-constrained systems
  • Wide operating voltage range allows flexibility in power supply options
  • Multiple communication interfaces (SPI, I2C, UART) for easy connectivity with other devices
  • On-chip timers for precise timing and event management
  • Built-in analog-to-digital converter for sensor interfacing and data acquisition

Advantages and Disadvantages

Advantages

  • High performance for demanding control applications
  • Low power consumption extends battery life in portable devices
  • Compact size saves board space in embedded systems
  • Versatile communication interfaces simplify device integration
  • On-chip peripherals reduce external component count and cost

Disadvantages

  • Limited processing power compared to higher-bit microcontrollers
  • Restricted memory capacity for complex applications
  • Limited number of I/O pins may limit the number of connected devices

Working Principles

The MC908GR48AVFAE microcontroller operates based on an 8-bit architecture. It executes instructions stored in its flash memory and interacts with external devices through

Listen Sie 10 häufige Fragen und Antworten im Zusammenhang mit der Anwendung von MC908GR48AVFAE in technischen Lösungen auf

Sure! Here are 10 common questions and answers related to the application of MC908GR48AVFAE in technical solutions:

  1. Q: What is MC908GR48AVFAE? A: MC908GR48AVFAE is a microcontroller from the MC908GR series manufactured by NXP Semiconductors.

  2. Q: What are the key features of MC908GR48AVFAE? A: Some key features of MC908GR48AVFAE include an 8-bit CPU, flash memory, RAM, multiple I/O ports, timers, and analog-to-digital converters.

  3. Q: What are the typical applications of MC908GR48AVFAE? A: MC908GR48AVFAE is commonly used in various technical solutions such as automotive systems, industrial control, consumer electronics, and home automation.

  4. Q: How much flash memory does MC908GR48AVFAE have? A: MC908GR48AVFAE has 48 KB of flash memory for program storage.

  5. Q: Can MC908GR48AVFAE be programmed using C or assembly language? A: Yes, MC908GR48AVFAE can be programmed using both C and assembly language.

  6. Q: Does MC908GR48AVFAE support communication protocols like UART, SPI, and I2C? A: Yes, MC908GR48AVFAE supports UART (Universal Asynchronous Receiver-Transmitter), SPI (Serial Peripheral Interface), and I2C (Inter-Integrated Circuit) communication protocols.

  7. Q: What is the operating voltage range of MC908GR48AVFAE? A: MC908GR48AVFAE operates within a voltage range of 2.7V to 5.5V.

  8. Q: Can MC908GR48AVFAE operate in low-power modes? A: Yes, MC908GR48AVFAE has various low-power modes to conserve energy when not actively processing tasks.

  9. Q: Are there any development tools available for programming MC908GR48AVFAE? A: Yes, NXP provides development tools like CodeWarrior IDE and P&E Microcomputer Systems offers hardware debuggers specifically designed for MC908GR series microcontrollers.

  10. Q: Where can I find more information about MC908GR48AVFAE? A: You can find detailed information about MC908GR48AVFAE in the datasheet provided by NXP Semiconductors or on their official website.