C8051F851-C-IUR

Product Overview

• Category: Microcontroller
• Use: Embedded systems, Internet of Things (IoT) devices
• Characteristics: Low power consumption, high performance, integrated peripherals
• Package: Integrated Circuit (IC)
• Essence: 8-bit microcontroller with integrated analog and digital peripherals
• Packaging/Quantity: Depends on the supplier

Specifications

• Architecture: 8051
• CPU Speed: Up to 25 MHz
• Flash Memory: 64 KB
• RAM: 4352 bytes
• Operating Voltage: 2.7V to 3.6V
• Digital I/O Pins: 32
• Analog Inputs: 8
• Timers/Counters: 4
• Communication Interfaces: UART, SPI, I2C
• ADC Resolution: 10-bit
• PWM Channels: 5
• Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The C8051F851-C-IUR microcontroller has a total of 48 pins. The pin configuration is as follows:

• Port 0 (P0.0 - P0.7): General-purpose I/O pins
• Port 1 (P1.0 - P1.7): General-purpose I/O pins
• Port 2 (P2.0 - P2.7): General-purpose I/O pins
• Port 3 (P3.0 - P3.7): General-purpose I/O pins
• Port 4 (P4.0 - P4.7): General-purpose I/O pins
• VDD: Power supply voltage
• VSS: Ground
• XTAL1: Crystal oscillator input
• XTAL2: Crystal oscillator output
• RESET: Reset pin
• AIN0 - AIN7: Analog input pins
• ADC0 - ADC7: Analog-to-Digital Converter (ADC) pins
• SDA: I2C data pin
• SCL: I2C clock pin
• TXD: UART transmit pin
• RXD: UART receive pin
• SPI_MISO: SPI Master-In Slave-Out pin
• SPI_MOSI: SPI Master-Out Slave-In pin
• SPI_CLK: SPI Clock pin
• SPI_CS: SPI Chip Select pin

Functional Features

The C8051F851-C-IUR microcontroller offers several functional features, including:

1. High-performance 8051 core for efficient execution of instructions.
2. Integrated analog peripherals such as ADC and PWM for precise control of analog signals.
3. Multiple communication interfaces (UART, SPI, I2C) for seamless connectivity with other devices.
4. Low power consumption for energy-efficient applications.
5. On-chip memory (Flash and RAM) for program storage and data handling.
6. Timers and counters for accurate timing and event counting.
7. GPIO pins for general-purpose input/output operations.

Advantages and Disadvantages

Advantages: - High-performance 8051 core enables fast and efficient execution of instructions. - Integrated analog peripherals simplify the design of analog circuits. - Multiple communication interfaces provide flexibility in connecting with external devices. - Low power consumption extends battery life in portable applications. - Ample on-chip memory allows for complex program storage and data handling. - Timers and counters enable precise timing and event counting. - GPIO pins offer versatility in interfacing with external components.

Disadvantages: - Limited processing power compared to 16-bit or 32-bit microcontrollers. - Limited memory capacity for large-scale applications. - Lack of advanced features found in more modern microcontrollers.

Working Principles

The C8051F851-C-IUR microcontroller operates based on the principles of the 8051 architecture. It executes instructions stored in its Flash memory and interacts with external devices through its integrated peripherals. The microcontroller's core handles data processing, while the analog peripherals handle analog signals such as voltage measurements and PWM generation. Communication interfaces enable data exchange with other devices.

Detailed Application Field Plans

The C8051F851-C-IUR microcontroller finds applications in various fields, including:

1. Industrial Automation: Control systems, motor control, and monitoring.
2. Internet of Things (IoT): Sensor nodes, smart home devices, and wearable technology.
3. Consumer Electronics: Remote controls, gaming peripherals, and audio equipment.
4. Automotive: Dashboard displays, engine control units, and lighting systems.
5. Medical Devices: Patient monitoring, diagnostic equipment, and drug delivery systems.
6. Energy Management: Smart meters, power monitoring, and energy-efficient systems.

Detailed and Complete Alternative Models

1. C8051F850-C-IUR: Similar to C8051F851-C-IUR but with reduced flash memory (32 KB).
2. C8051F852-C-IUR: Similar to C8051F