NXP USA Inc.
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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

10 domande e risposte comuni relative all'applicazione di MC908GR48AVFAE nelle soluzioni tecniche

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.