MC908QB4MDTE

Product Overview

Category: Microcontroller
Use: Embedded systems, automotive applications
Characteristics: Low power consumption, high performance, compact size
Package: 16-pin SOIC package
Essence: A microcontroller designed for automotive applications
Packaging/Quantity: Available in tape and reel packaging, quantity varies based on supplier

Specifications

• Architecture: 8-bit
• CPU Speed: Up to 8 MHz
• Flash Memory: 4 KB
• RAM: 256 bytes
• Operating Voltage Range: 2.7V to 5.5V
• I/O Pins: 13
• Timers/Counters: 2 x 8-bit, 1 x 16-bit
• Analog-to-Digital Converter (ADC): 8 channels, 10-bit resolution
• Communication Interfaces: SPI, SCI, I2C
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The MC908QB4MDTE microcontroller has a total of 16 pins. The pin configuration is as follows:

1. VDD: Power supply voltage
2. VSS: Ground
3. PT0/IRQ: Programmable I/O or external interrupt request
4. PT1: Programmable I/O
5. PT2: Programmable I/O
6. PT3: Programmable I/O
7. PT4: Programmable I/O
8. PT5: Programmable I/O
9. PT6: Programmable I/O
10. PT7: Programmable I/O
11. RESET: Reset input
12. OSCIN: Oscillator input
13. OSCOUT: Oscillator output
14. VCAP: Capacitor connection for oscillator
15. VDD: Power supply voltage
16. VSS: Ground

Functional Features

• Low power consumption for efficient operation in automotive systems
• High-performance 8-bit CPU for fast processing
• Compact size allows for integration into space-constrained applications
• Flash memory for program storage and easy updates
• Built-in timers/counters for precise timing control
• Analog-to-digital converter for sensor interfacing
• Multiple communication interfaces for data exchange with other devices

Advantages and Disadvantages

Advantages: - Low power consumption makes it suitable for battery-powered applications - Compact size enables integration in small form factor designs - Wide operating voltage range allows for flexibility in power supply options - Robust architecture ensures reliable performance in automotive environments

Disadvantages: - Limited flash memory capacity may restrict the complexity of applications - 8-bit architecture may not be sufficient for certain advanced functionalities - Limited number of I/O pins may limit the connectivity options

Working Principles

The MC908QB4MDTE microcontroller operates based on an 8-bit architecture. It executes instructions stored in its flash memory to perform various tasks. The CPU communicates with peripherals, such as timers, counters, ADC, and communication interfaces, to control and monitor external devices. The microcontroller's low power consumption and compact size make it suitable for embedded systems, particularly in automotive applications.

Detailed Application Field Plans

The MC908QB4MDTE microcontroller finds applications in various automotive systems, including:

1. Engine Control Units (ECUs)
2. Body Control Modules (BCMs)
3. Anti-lock Braking Systems (ABS)
4. Airbag Control Units (ACUs)
5. Climate Control Systems
6. Instrument Clusters
7. Lighting Control Modules
8. Powertrain Control Modules (PCMs)

Its features, such as low power consumption, high performance, and compact size, make it ideal for these applications.

Detailed and Complete Alternative Models

1. MC9S08QB4CSC: Similar microcontroller with a different package (8-pin SOIC)
2. MC9S08QB4CTG: Similar microcontroller with a different package (16-pin TSSOP)
3. MC9S08QB4CWJ: Similar microcontroller with a different package (20-pin SOIC)
4. MC9S08QB4CWL: Similar microcontroller with a different package (20-pin QFN)

These alternative models offer similar functionalities but may have variations in pin count and package options to suit different design requirements.

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