MC908QB8CDTE

Product Overview

Category: Microcontroller

Use: The MC908QB8CDTE is a microcontroller designed for embedded systems and applications that require low power consumption and high performance. It is commonly used in automotive, industrial, and consumer electronics.

Characteristics: - Low power consumption - High performance - Integrated peripherals for various applications - Robust design for harsh environments

Package: The MC908QB8CDTE comes in a small package, making it suitable for space-constrained applications. It is available in a surface mount package.

Essence: The essence of the MC908QB8CDTE lies in its ability to provide efficient processing capabilities while consuming minimal power. It offers a wide range of features and integrated peripherals, making it versatile for different applications.

Packaging/Quantity: The MC908QB8CDTE is typically sold in reels or trays, with a quantity of 250 units per reel/tray.

Specifications

• Architecture: 8-bit
• CPU Speed: Up to 8 MHz
• Flash Memory: 8 KB
• RAM: 512 bytes
• Operating Voltage: 2.7V to 5.5V
• Number of I/O Pins: 28
• Communication Interfaces: SPI, I2C, UART
• Timers/Counters: 2 x 8-bit, 1 x 16-bit
• Analog-to-Digital Converter (ADC): 10-bit, 8 channels

Detailed Pin Configuration

The MC908QB8CDTE has a total of 28 pins, each serving a specific purpose. Here is a detailed pin configuration:

• Pin 1: VDD - Power supply voltage
• Pin 2: RESET - Reset input
• Pin 3: IRQ - Interrupt request input
• 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
• Pin 21: OSCIN - Oscillator input
• Pin 22: OSCOUT - Oscillator output
• Pin 23: VDDA - Analog power supply voltage
• Pin 24: AD0 - Analog input
• Pin 25: AD1 - Analog input
• Pin 26: AD2 - Analog input
• Pin 27: AD3 - Analog input
• Pin 28: AD4 - Analog input

Functional Features

The MC908QB8CDTE offers several functional features that enhance its performance and versatility. Some of the key features include:

• Integrated analog-to-digital converter (ADC) for precise measurements
• Multiple communication interfaces (SPI, I2C, UART) for seamless connectivity with other devices
• Timers and counters for accurate timing and event counting
• Low power consumption modes for energy-efficient operation
• Robust design to withstand harsh environmental conditions

Advantages and Disadvantages

Advantages: - Low power consumption enables longer battery life in portable applications - High-performance processing capabilities for demanding applications - Integrated peripherals reduce the need for external components - Robust design ensures reliability in challenging environments

Disadvantages: - Limited flash memory capacity may restrict the complexity of applications - 8-bit architecture may not be suitable for certain high-end applications requiring higher precision or processing power

Working Principles

The MC908QB8CDTE operates based on an 8-bit architecture, where instructions are executed sequentially. It utilizes a combination of hardware and software to perform various tasks. The microcontroller receives input from sensors or other devices, processes the data, and generates output signals accordingly. It can communicate with external devices through its communication interfaces and control other components using its integrated peripherals.

Detailed Application Field Plans

The MC908QB8CDTE finds applications in various fields, including:

1. Automotive: Used in