MC9S12DB128CPVE

Product Overview

• Category: Microcontroller
• Use: Embedded systems, automotive applications
• Characteristics: High-performance, low-power consumption, integrated peripherals
• Package: 112 LQFP (Low Profile Quad Flat Package)
• Essence: 16-bit microcontroller with a wide range of features and capabilities
• Packaging/Quantity: Available in tape and reel packaging, quantity varies based on supplier

Specifications

• Architecture: 16-bit HCS12X core
• Flash Memory: 128 KB
• RAM: 4 KB
• Operating Voltage: 2.35V to 5.5V
• Operating Temperature Range: -40°C to +125°C
• Clock Speed: Up to 25 MHz
• Number of I/O Pins: 80
• Communication Interfaces: CAN, SPI, SCI, I2C
• Analog-to-Digital Converter (ADC): 10-bit resolution, 8 channels
• Timers: 16-bit timers, PWM modules
• Interrupts: 64 interrupt sources

Detailed Pin Configuration

The MC9S12DB128CPVE microcontroller has a total of 112 pins. The pin configuration is as follows:

• Pins 1-4: VDD (Power Supply)
• Pins 5-8: Ground
• Pins 9-16: Port A (I/O)
• Pins 17-24: Port B (I/O)
• Pins 25-32: Port C (I/O)
• Pins 33-40: Port D (I/O)
• Pins 41-48: Port E (I/O)
• Pins 49-56: Port F (I/O)
• Pins 57-64: Port G (I/O)
• Pins 65-72: Port H (I/O)
• Pins 73-80: Port J (I/O)
• Pins 81-88: Analog Inputs
• Pins 89-96: Communication Interfaces (CAN, SPI, SCI, I2C)
• Pins 97-104: Timers and PWM Modules
• Pins 105-112: Miscellaneous Functions

Functional Features

• High-performance 16-bit HCS12X core for efficient processing
• Integrated peripherals such as CAN, SPI, SCI, and I2C for communication
• On-chip analog-to-digital converter (ADC) for precise analog measurements
• Multiple timers and PWM modules for accurate timing and control
• Extensive I/O capabilities with 80 pins for versatile connectivity
• Wide operating voltage range and temperature range for automotive applications

Advantages and Disadvantages

Advantages

• High-performance microcontroller suitable for demanding applications
• Low-power consumption for energy-efficient designs
• Integrated peripherals reduce the need for external components
• Ample I/O pins provide flexibility in system design
• Wide operating voltage and temperature range for automotive use

Disadvantages

• Limited flash memory and RAM compared to some other microcontrollers
• Higher cost compared to lower-end microcontrollers with similar features
• Steeper learning curve for beginners due to its advanced architecture

Working Principles

The MC9S12DB128CPVE microcontroller operates based on the 16-bit HCS12X core architecture. It executes instructions stored in its flash memory and utilizes its integrated peripherals to perform various tasks. The microcontroller communicates with external devices through its I/O pins and interfaces such as CAN, SPI, SCI, and I2C. It can process analog signals using its built-in ADC and generate precise timing using timers and PWM modules.

Detailed Application Field Plans

The MC9S12DB128CPVE microcontroller is widely used in various automotive applications, including:

1. Engine Control Units (ECUs)
2. Body Control Modules (BCMs)
3. Anti-lock Braking Systems (ABS)
4. Airbag Control Units (ACUs)
5. Instrument Clusters
6. Infotainment Systems

Its high-performance capabilities, integrated peripherals, and wide operating temperature range make it suitable for demanding automotive environments.

Detailed and Complete Alternative Models

• MC9S12DG128CPVE: Similar microcontroller with 128 KB flash memory and additional EEPROM memory.
• MC9S12DJ128CPVE: Microcontroller with 128 KB flash memory and enhanced debugging features.
• MC9S12DT128CPVE: Microcontroller with 128 KB flash memory and extended temperature range.

These alternative models offer similar features and capabilities but may have slight differences in terms of memory, debugging, or temperature specifications.

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