C8051F981-C-GMR

Product Overview

• Category: Microcontroller
• Use: Embedded systems, Internet of Things (IoT) devices, industrial automation
• Characteristics: High-performance, low-power consumption, integrated peripherals
• Package: 48-pin QFN
• Essence: A microcontroller designed for various applications requiring high performance and low power consumption.
• Packaging/Quantity: Available in reels of 2500 units

Specifications

• Core: 8-bit 8051
• Clock Speed: Up to 25 MHz
• Flash Memory: 64 KB
• RAM: 4352 bytes
• ADC Resolution: 12-bit
• Number of I/O Pins: 32
• Communication Interfaces: UART, SPI, I2C
• Operating Voltage: 2.7V - 3.6V
• Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The C8051F981-C-GMR microcontroller has a total of 48 pins. The pin configuration is as follows:

• Pins 1-8: Port 0 (P0.0 - P0.7)
• Pins 9-16: Port 1 (P1.0 - P1.7)
• Pins 17-24: Port 2 (P2.0 - P2.7)
• Pins 25-32: Port 3 (P3.0 - P3.7)
• Pins 33-40: Port 4 (P4.0 - P4.7)
• Pins 41-48: VDD, GND, RESET, XTAL1, XTAL2, VREF, AVSS, AVDD

Functional Features

• High-performance 8-bit core with enhanced 8051 architecture
• Integrated peripherals including UART, SPI, and I2C interfaces
• 12-bit ADC for precise analog measurements
• On-chip flash memory for program storage
• Low-power consumption modes for energy-efficient operation
• Flexible clocking options for various system requirements

Advantages and Disadvantages

Advantages: - High-performance core allows for efficient execution of complex tasks - Integrated peripherals simplify system design and reduce external component count - Low-power consumption extends battery life in portable applications - Flexible clocking options enable customization for different use cases

Disadvantages: - Limited processing power compared to 16 or 32-bit microcontrollers - Smaller memory capacity may restrict the size of programs that can be executed - Restricted temperature range may limit usage in extreme environments

Working Principles

The C8051F981-C-GMR microcontroller is based on the 8051 architecture, which utilizes an 8-bit core. It executes instructions fetched from the on-chip flash memory and interacts with the integrated peripherals to perform various tasks. The microcontroller operates at a specified clock speed and can communicate with external devices through UART, SPI, and I2C interfaces. It also features a 12-bit ADC for accurate analog measurements.

Detailed Application Field Plans

The C8051F981-C-GMR microcontroller finds applications in various fields, including:

1. Embedded Systems: Used in consumer electronics, home automation, and automotive systems.
2. Internet of Things (IoT) Devices: Enables connectivity and control in smart devices and IoT networks.
3. Industrial Automation: Provides control and monitoring capabilities in industrial machinery and processes.
4. Medical Devices: Used in medical equipment for data acquisition and control functions.
5. Energy Management: Enables efficient energy monitoring and control in smart grid systems.

Detailed and Complete Alternative Models

1. C8051F980-C-GMR: Similar to C8051F981-C-GMR but with reduced flash memory capacity (32 KB).
2. C8051F982-C-GMR: Similar to C8051F981-C-GMR but with additional integrated peripherals.
3. C8051F983-C-GMR: Similar to C8051F981-C-GMR but with extended temperature range (-40°C to +125°C).

These alternative models provide options with varying features and specifications to suit different application requirements.

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