MC68302EH25C

Product Overview

• Category: Microcontroller
• Use: Embedded systems, industrial control applications
• Characteristics: High-performance, integrated peripherals, low power consumption
• Package: Ceramic Quad Flat Pack (CQFP)
• Essence: Advanced microcontroller with integrated system functions
• Packaging/Quantity: Available in trays, 100 units per tray

Specifications

• Operating Frequency: 25 MHz
• Data Bus Width: 16-bit
• Address Bus Width: 24-bit
• Program Memory Size: Up to 1 MB
• RAM Size: Up to 256 KB
• I/O Ports: Multiple general-purpose I/O pins
• Serial Interfaces: UART, SPI, I2C
• Timers/Counters: Multiple timers/counters for precise timing operations
• Analog-to-Digital Converter: Integrated ADC for analog signal processing
• Power Supply Voltage: 3.3V

Detailed Pin Configuration

The MC68302EH25C microcontroller has a total of 132 pins. The pin configuration is as follows:

• Pins 1-8: Address/Data Bus
• Pins 9-16: General-Purpose I/O
• Pins 17-24: Serial Interface (UART)
• Pins 25-32: Serial Peripheral Interface (SPI)
• Pins 33-40: Inter-Integrated Circuit (I2C)
• Pins 41-48: Timers/Counters
• Pins 49-56: Analog-to-Digital Converter (ADC)
• Pins 57-64: Power Supply and Ground

(Note: This is just a simplified representation of the pin configuration. Please refer to the datasheet for the complete pinout details.)

Functional Features

• High-performance microcontroller with integrated system functions
• Efficient execution of complex tasks with the 25 MHz operating frequency
• Versatile I/O capabilities for interfacing with external devices
• Integrated serial interfaces (UART, SPI, I2C) for communication purposes
• Multiple timers/counters for precise timing operations
• Analog-to-Digital Converter (ADC) for analog signal processing
• Low power consumption for energy-efficient applications

Advantages and Disadvantages

Advantages: - High-performance capabilities suitable for demanding applications - Integrated peripherals reduce the need for external components - Versatile I/O options enable flexible interfacing with various devices - Low power consumption extends battery life in portable systems

Disadvantages: - Limited program memory size compared to some other microcontrollers - Complex pin configuration may require careful PCB layout design - Higher cost compared to simpler microcontrollers with fewer features

Working Principles

The MC68302EH25C microcontroller operates based on a Harvard architecture, which separates program and data memory. It executes instructions fetched from the program memory and manipulates data stored in the data memory. The integrated peripherals and I/O ports allow the microcontroller to interact with external devices and perform specific tasks as programmed.

Detailed Application Field Plans

The MC68302EH25C microcontroller finds applications in various fields, including:

1. Industrial Control Systems: Used for controlling and monitoring industrial processes, such as manufacturing automation, robotics, and machine control.
2. Embedded Systems: Suitable for embedded applications like smart appliances, home automation, automotive electronics, and medical devices.
3. Communication Equipment: Can be utilized in networking devices, routers, modems, and telecommunication systems.
4. Instrumentation and Measurement: Enables precise measurement and data acquisition in scientific instruments and test equipment.
5. Consumer Electronics: Used in consumer products like gaming consoles, digital cameras, and audio/video equipment.

Detailed and Complete Alternative Models

1. MC68302EH16C: Similar to MC68302EH25C but operates at 16 MHz.
2. MC68302EH20C: Similar to MC68302EH25C but operates at 20 MHz.
3. MC68302EH33C: Similar to MC68302EH25C but operates at 33 MHz.

(Note: The above alternative models are just examples. There may be other alternatives available in the market.)

This concludes the encyclopedia entry for the MC68302EH25C microcontroller.