MC908GR32AMFUE

Product Overview

Category: Microcontroller

Use: The MC908GR32AMFUE is a microcontroller designed for embedded systems and applications that require high-performance processing capabilities. It is commonly used in various electronic devices such as automotive systems, industrial control systems, consumer electronics, and more.

Characteristics: - High-performance processing capabilities - Low power consumption - Integrated peripherals for enhanced functionality - Robust design for reliable operation in harsh environments

Package: The MC908GR32AMFUE is available in a compact and durable package, ensuring easy integration into different electronic systems. It is commonly packaged in a plastic quad flat pack (PQFP) or a small outline integrated circuit (SOIC) package.

Essence: The essence of the MC908GR32AMFUE lies in its ability to provide efficient and reliable processing capabilities for embedded systems. It offers a wide range of features and functionalities that make it suitable for various applications.

Packaging/Quantity: The MC908GR32AMFUE is typically sold in reels or trays, depending on the manufacturer's packaging standards. The quantity per reel or tray may vary, but it is commonly available in quantities of 250 or 500 units.

Specifications

• Architecture: 8-bit
• CPU Speed: Up to 20 MHz
• Flash Memory: 32 KB
• RAM: 2 KB
• Operating Voltage: 2.7V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Number of I/O Pins: 32
• Communication Interfaces: UART, SPI, I2C
• Timers/Counters: 4
• Analog-to-Digital Converter (ADC): 10-bit, 8 channels

Detailed Pin Configuration

The MC908GR32AMFUE has a total of 32 I/O pins, each serving a specific purpose. The pin configuration is as follows:

• Pin 1: VDD (Power Supply)
• Pin 2: RESET (Reset Input)
• Pin 3: IRQ (Interrupt Request)
• Pin 4: PTA0 (General Purpose I/O)
• Pin 5: PTA1 (General Purpose I/O)
• Pin 6: PTA2 (General Purpose I/O)
• Pin 7: PTA3 (General Purpose I/O)
• Pin 8: PTA4 (General Purpose I/O)
• Pin 9: PTA5 (General Purpose I/O)
• Pin 10: PTA6 (General Purpose I/O)
• Pin 11: PTA7 (General Purpose I/O)
• 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: VSS (Ground)

(Note: The remaining pins are not listed here for brevity.)

Functional Features

The MC908GR32AMFUE offers several functional features that enhance its performance and usability in various applications:

1. High-Speed Processing: With a CPU speed of up to 20 MHz, the microcontroller can efficiently handle complex tasks and calculations.

2. Integrated Peripherals: The MC908GR32AMFUE includes various integrated peripherals such as UART, SPI, and I2C interfaces, allowing seamless communication with other devices.

3. Analog-to-Digital Conversion: The built-in 10-bit ADC enables accurate measurement and conversion of analog signals, making it suitable for applications that require precise data acquisition.

4. Timers/Counters: The microcontroller features four timers/counters, which can be utilized for tasks such as event timing, pulse generation, and frequency measurement.

Advantages and Disadvantages

Advantages: - High-performance processing capabilities - Low power consumption - Integrated peripherals for enhanced functionality - Robust design for reliable operation in harsh environments

Disadvantages: - Limited flash memory capacity (32 KB) - Limited RAM capacity (2 KB)

Working Principles

The MC908GR32AMFUE operates based on an 8-bit architecture, utilizing a central processing unit (CPU) to execute instructions and perform calculations. It follows a Von Neumann architecture, where program instructions and data are stored in separate memory spaces.

Upon power-up or reset, the microcontroller initializes its internal registers