C8051F921-GMR

Product Overview

Category

The C8051F921-GMR belongs to the category of microcontrollers.

Use

This microcontroller is commonly used in various electronic devices and systems for controlling and processing data.

Characteristics

• High-performance 8-bit microcontroller
• Low power consumption
• Integrated peripherals for enhanced functionality
• Flexible and versatile design

Package

The C8051F921-GMR is available in a compact and durable package, ensuring easy integration into different applications.

Essence

The essence of the C8051F921-GMR lies in its ability to provide efficient control and processing capabilities within a small form factor.

Packaging/Quantity

This microcontroller is typically packaged individually and is available in various quantities depending on the manufacturer's specifications.

Specifications

• Architecture: 8-bit
• CPU Speed: Up to 25 MHz
• Flash Memory: 64 KB
• RAM: 4352 bytes
• Operating Voltage: 2.7V to 3.6V
• I/O Pins: 32
• ADC Channels: 8
• Communication Interfaces: UART, SPI, I2C
• Timers: 4
• Packages: QFN, TQFP

Detailed Pin Configuration

The C8051F921-GMR has a total of 32 I/O pins, which are assigned specific functions based on the application requirements. The pin configuration is as follows:

• P0.0 - P0.7: General-purpose I/O pins
• P1.0 - P1.7: General-purpose I/O pins
• P2.0 - P2.7: General-purpose I/O pins
• P3.0 - P3.7: General-purpose I/O pins

Functional Features

• High-speed processing capabilities
• On-chip peripherals for enhanced functionality
• Low power consumption modes for energy efficiency
• Flexible I/O configuration options
• Built-in communication interfaces for seamless data transfer
• Integrated analog-to-digital converter (ADC) for sensor interfacing

Advantages and Disadvantages

Advantages

• High-performance microcontroller suitable for a wide range of applications
• Low power consumption extends battery life in portable devices
• Integrated peripherals reduce the need for external components
• Flexible I/O configuration allows customization based on application requirements

Disadvantages

• Limited memory capacity compared to higher-end microcontrollers
• 8-bit architecture may not be sufficient for complex computations
• Limited number of I/O pins restricts the number of external devices that can be connected simultaneously

Working Principles

The C8051F921-GMR operates based on an 8-bit architecture, where instructions are executed sequentially. It utilizes a combination of hardware and software to control and process data. The microcontroller interacts with external devices through its I/O pins and communicates with other components using the integrated communication interfaces.

Detailed Application Field Plans

The C8051F921-GMR finds applications in various fields, including but not limited to:

1. Industrial automation: Control systems, motor control, and monitoring devices.
2. Consumer electronics: Home appliances, gaming consoles, and audio/video equipment.
3. Internet of Things (IoT): Smart home devices, wearable technology, and environmental sensors.
4. Automotive: Engine control units, dashboard displays, and infotainment systems.
5. Medical devices: Patient monitoring systems, diagnostic equipment, and implantable devices.

Detailed and Complete Alternative Models

1. C8051F920-GMR: Similar specifications and features, but with reduced flash memory capacity (32 KB).
2. C8051F922-GMR: Enhanced flash memory capacity (128 KB) for applications requiring larger program storage.
3. C8051F923-GMR: Increased RAM capacity (8192 bytes) for applications demanding higher data processing capabilities.

These alternative models provide options with varying memory capacities to cater to different application requirements.

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