NXP USA Inc.
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MM908E621ACDWB
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MM908E621ACDWB

Product Overview

Category

MM908E621ACDWB belongs to the category of microcontrollers.

Use

It is primarily used for embedded systems and automotive applications.

Characteristics

  • High-performance microcontroller
  • Designed for automotive electronic control units (ECUs)
  • Offers advanced features and functionalities
  • Provides reliable and efficient performance

Package

The MM908E621ACDWB comes in a compact and durable package, suitable for automotive environments.

Essence

This microcontroller is an essential component in automotive ECUs, enabling efficient control and management of various vehicle systems.

Packaging/Quantity

The MM908E621ACDWB is typically packaged individually and is available in various quantities depending on the manufacturer's specifications.

Specifications

  • Microcontroller architecture: 8-bit
  • Clock speed: Up to 20 MHz
  • Flash memory: 32 KB
  • RAM: 2 KB
  • Operating voltage: 2.7V to 5.5V
  • Number of I/O pins: 40
  • Communication interfaces: CAN, LIN, SPI, UART
  • Analog-to-digital converter (ADC): 10-bit resolution

Detailed Pin Configuration

The MM908E621ACDWB microcontroller has a total of 40 pins, each serving a specific purpose. The pin configuration is as follows:

  1. VDD - Power supply voltage
  2. VSS - Ground
  3. RESET - Reset signal input
  4. XTAL1 - Crystal oscillator input
  5. XTAL2 - Crystal oscillator output
  6. P0.0 - General-purpose I/O pin
  7. P0.1 - General-purpose I/O pin
  8. P0.2 - General-purpose I/O pin
  9. P0.3 - General-purpose I/O pin
  10. P0.4 - General-purpose I/O pin
  11. P0.5 - General-purpose I/O pin
  12. P0.6 - General-purpose I/O pin
  13. P0.7 - General-purpose I/O pin
  14. P1.0 - General-purpose I/O pin
  15. P1.1 - General-purpose I/O pin
  16. P1.2 - General-purpose I/O pin
  17. P1.3 - General-purpose I/O pin
  18. P1.4 - General-purpose I/O pin
  19. P1.5 - General-purpose I/O pin
  20. P1.6 - General-purpose I/O pin
  21. P1.7 - General-purpose I/O pin
  22. P2.0 - General-purpose I/O pin
  23. P2.1 - General-purpose I/O pin
  24. P2.2 - General-purpose I/O pin
  25. P2.3 - General-purpose I/O pin
  26. P2.4 - General-purpose I/O pin
  27. P2.5 - General-purpose I/O pin
  28. P2.6 - General-purpose I/O pin
  29. P2.7 - General-purpose I/O pin
  30. P3.0 - General-purpose I/O pin
  31. P3.1 - General-purpose I/O pin
  32. P3.2 - General-purpose I/O pin
  33. P3.3 - General-purpose I/O pin
  34. P3.4 - General-purpose I/O pin
  35. P3.5 - General-purpose I/O pin
  36. P3.6 - General-purpose I/O pin
  37. P3.7 - General-purpose I/O pin
  38. CANH - CAN bus high signal
  39. CANL - CAN bus low signal
  40. VBAT - Backup battery voltage input

Functional Features

  • Advanced automotive communication protocols support (CAN, LIN)
  • Integrated analog-to-digital converter for sensor interfacing
  • Real-time clock for time-sensitive applications
  • Multiple general-purpose I/O pins for versatile connectivity
  • Low-power consumption for efficient operation
  • Robust and reliable performance in harsh automotive environments

Advantages and Disadvantages

Advantages

  • High-performance microcontroller suitable for automotive applications
  • Extensive communication interface support
  • Compact package for space-constrained designs
  • Efficient power management capabilities
  • Reliable operation in challenging conditions

Disadvantages

  • Limited memory capacity compared to higher-end microcontrollers
  • May require additional external components for certain applications
  • Relatively higher cost compared to lower-end microcontrollers

Working Principles

The MM908E621ACDWB microcontroller operates based on the principles of embedded systems. It executes instructions stored in its flash memory to control various functions within an automotive electronic control unit. The microcontroller interacts with sensors, actuators, and other peripheral devices through its I/O pins and communication interfaces. It processes data, performs calculations,

Énumérez 10 questions et réponses courantes liées à l'application de MM908E621ACDWB dans les solutions techniques

Sure! Here are 10 common questions and answers related to the application of MM908E621ACDWB in technical solutions:

  1. Q: What is MM908E621ACDWB? A: MM908E621ACDWB is a microcontroller unit (MCU) developed by NXP Semiconductors, designed for automotive applications.

  2. Q: What are the key features of MM908E621ACDWB? A: Some key features include an ARM Cortex-M0+ core, LIN transceiver, voltage regulator, EEPROM, and various communication interfaces.

  3. Q: What are the typical applications of MM908E621ACDWB? A: MM908E621ACDWB is commonly used in automotive systems such as body control modules, lighting control units, and HVAC systems.

  4. Q: How does MM908E621ACDWB communicate with other devices? A: It supports various communication protocols like LIN, SPI, I2C, UART, and CAN, allowing seamless integration with other components in the system.

  5. Q: Can MM908E621ACDWB be programmed? A: Yes, it can be programmed using industry-standard development tools and programming languages like C or assembly language.

  6. Q: Does MM908E621ACDWB have built-in security features? A: Yes, it offers several security features like secure boot, memory protection, and cryptographic acceleration to ensure data integrity and system security.

  7. Q: What is the power supply requirement for MM908E621ACDWB? A: It typically operates on a voltage range of 5V to 18V, making it suitable for automotive applications.

  8. Q: Can MM908E621ACDWB operate in harsh environments? A: Yes, it is designed to withstand harsh automotive environments with extended temperature ranges and robust EMC performance.

  9. Q: Are there any development kits available for MM908E621ACDWB? A: Yes, NXP provides development kits that include evaluation boards, software tools, and documentation to aid in the development process.

  10. Q: Is MM908E621ACDWB a cost-effective solution for automotive applications? A: Yes, it offers a good balance between features, performance, and cost, making it a popular choice for various automotive solutions.

Please note that these answers are general and may vary depending on specific use cases and requirements.