MC9S12A64CPVE

Product Overview

• Category: Microcontroller
• Use: Embedded systems, automotive applications
• Characteristics: 16-bit architecture, high-performance, low-power consumption
• Package: 112-pin LQFP (Low-profile Quad Flat Package)
• Essence: A microcontroller designed for automotive applications with a focus on performance and power efficiency.
• Packaging/Quantity: Available in tape and reel packaging, quantity varies based on customer requirements.

Specifications

• Architecture: 16-bit
• CPU Speed: Up to 25 MHz
• Flash Memory: 64 KB
• RAM: 4 KB
• Operating Voltage: 2.35V to 5.5V
• I/O Pins: 84
• Timers: 8-bit and 16-bit timers available
• Communication Interfaces: SCI, SPI, CAN, I2C
• Analog-to-Digital Converter (ADC): 10-bit resolution, up to 16 channels

Detailed Pin Configuration

The MC9S12A64CPVE 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: Port K (I/O)
• Pins 89-96: Port L (I/O)
• Pins 97-104: Port M (I/O)
• Pins 105-112: Port N (I/O)

Functional Features

• High-performance 16-bit CPU for efficient processing
• Low-power consumption for extended battery life in automotive applications
• Flash memory for program storage
• RAM for data storage and manipulation
• Multiple communication interfaces for connectivity with other devices
• Analog-to-Digital Converter for reading analog signals
• Timers for precise timing control

Advantages and Disadvantages

Advantages: - High-performance architecture suitable for demanding applications - Low-power consumption extends battery life - Ample I/O pins for versatile connectivity - Multiple communication interfaces for flexible integration - On-chip peripherals reduce external component count

Disadvantages: - Limited flash memory capacity compared to some other microcontrollers - Limited RAM size may restrict complex data manipulation - Higher cost compared to lower-end microcontrollers

Working Principles

The MC9S12A64CPVE microcontroller operates based on the Von Neumann architecture. It consists of a central processing unit (CPU), memory, and various peripherals. The CPU fetches instructions from the flash memory, executes them, and stores results in the RAM. The microcontroller communicates with external devices through its I/O pins and communication interfaces. It can read analog signals using the built-in ADC and generate precise timing using timers.

Detailed Application Field Plans

The MC9S12A64CPVE microcontroller is widely used in automotive applications, including:

1. Engine Control Units (ECUs): It provides the necessary processing power and I/O capabilities for controlling engine functions such as fuel injection, ignition timing, and emissions control.
2. Body Control Modules (BCMs): It enables centralized control of various vehicle systems, including lighting, door locks, and climate control.
3. Anti-lock Braking Systems (ABS): It facilitates real-time monitoring and control of the braking system, ensuring optimal performance and safety.
4. Airbag Control Units (ACUs): It processes sensor data and triggers airbag deployment in the event of a collision.
5. Instrument Clusters: It drives the display and controls various indicators and gauges on the vehicle dashboard.

Detailed and Complete Alternative Models

1. MC9S12A128CPVE: Similar to MC9S12A64CPVE but with double the flash memory capacity (128 KB).
2. MC9S12A256CPVE: Similar to MC9S12A64CPVE but with quadruple the flash memory capacity (256 KB).
3. MC9S12A512CPVE: Similar to MC9S12A64CPVE but with eight times the flash memory capacity (512 KB).
4. MC9S12A64CFUE: A variant with different package (80-pin QFP) and extended temperature range.

These alternative models offer varying levels of flash memory capacity and package options to cater to different application requirements.