MC9328MX21CVM

Product Overview

• Category: Microcontroller
• Use: Embedded systems, IoT devices, consumer electronics
• Characteristics: High-performance, low-power consumption, integrated peripherals
• Package: Ceramic Quad Flat Pack (CQFP)
• Essence: ARM926EJ-S core microcontroller
• Packaging/Quantity: Available in tape and reel packaging, quantity varies based on order size

Specifications

• Processor: ARM926EJ-S core running at up to 200 MHz
• Memory: Up to 128 KB of internal SRAM, external memory interface supporting SDRAM, NOR Flash, NAND Flash
• Peripherals: UART, SPI, I2C, USB, Ethernet, LCD controller, ADC, PWM, GPIO
• Operating Voltage: 3.3V
• Operating Temperature: -40°C to +85°C
• Package Dimensions: 14mm x 14mm

Pin Configuration

The MC9328MX21CVM microcontroller has a total of 144 pins. The pin configuration is as follows:

• Pins 1-16: General-purpose I/O (GPIO)
• Pins 17-32: UART interface
• Pins 33-48: SPI interface
• Pins 49-64: I2C interface
• Pins 65-80: USB interface
• Pins 81-96: Ethernet interface
• Pins 97-112: LCD controller interface
• Pins 113-128: Analog-to-digital converter (ADC) inputs
• Pins 129-144: Power supply and ground pins

Functional Features

• High-performance ARM926EJ-S core for efficient processing
• Integrated peripherals for easy system integration
• Low-power consumption for extended battery life
• Support for various communication interfaces (UART, SPI, I2C, USB, Ethernet)
• LCD controller for driving graphical displays
• ADC for analog signal acquisition
• PWM for precise control of output signals
• GPIO for general-purpose input/output operations

Advantages and Disadvantages

Advantages

• High processing power enables complex applications
• Integrated peripherals reduce external component count
• Low-power consumption extends battery life in portable devices
• Wide operating temperature range allows usage in harsh environments
• Compact package size facilitates space-constrained designs

Disadvantages

• Limited internal memory may require external memory for certain applications
• Availability and pricing may vary based on market demand
• Requires knowledge of ARM architecture for efficient programming

Working Principles

The MC9328MX21CVM microcontroller is based on the ARM926EJ-S core, which executes instructions from its internal memory. It communicates with external devices through various interfaces such as UART, SPI, I2C, USB, and Ethernet. The integrated peripherals enable the microcontroller to perform tasks such as data acquisition, communication, and display control. The low-power design ensures efficient operation, making it suitable for battery-powered devices.

Application Field Plans

The MC9328MX21CVM microcontroller finds applications in a wide range of fields, including:

1. Industrial automation: Control systems, monitoring devices, and data acquisition units.
2. Consumer electronics: Smart home devices, wearable technology, and multimedia devices.
3. Internet of Things (IoT): Connected sensors, gateways, and edge computing devices.
4. Automotive: Infotainment systems, engine control units, and driver assistance systems.
5. Medical devices: Patient monitoring systems, diagnostic equipment, and portable medical devices.

Alternative Models

• MC9328MX21CVP: Similar specifications but available in a different package (BGA)
• MC9328MX21CVH: Higher clock speed (up to 266 MHz) variant with additional features
• MC9328MX21CVR: Reduced pin count version for space-constrained designs

These alternative models offer similar functionality but may have differences in package type, clock speed, and pin count.

In conclusion, the MC9328MX21CVM microcontroller is a high-performance ARM926EJ-S core-based device with integrated peripherals. It offers advantages such as low-power consumption, compact size, and wide operating temperature range. Its applications span across various industries, and alternative models provide flexibility based on specific design requirements.