CG7802AAT

Product Overview

Category: Electronic Component
Use: Integrated Circuit
Characteristics: High-performance, low-power consumption
Package: Small outline integrated circuit (SOIC)
Essence: Microcontroller
Packaging/Quantity: Tape and reel, 2500 units per reel

Specifications

• Operating Voltage: 3.3V
• Clock Speed: 16 MHz
• Flash Memory: 32 KB
• RAM: 2 KB
• Digital I/O Pins: 14
• Analog Input Pins: 6
• Communication Interfaces: UART, SPI, I2C
• Timers: 2 (8-bit), 1 (16-bit)
• PWM Channels: 6
• ADC Resolution: 10-bit
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The CG7802AAT microcontroller has a total of 20 pins. The pin configuration is as follows:

1. VCC: Power supply voltage input
2. GND: Ground reference
3. RESET: Reset pin for restarting the microcontroller
4. XTAL1: Crystal oscillator input
5. XTAL2: Crystal oscillator output
6. RXD: Serial data receive pin
7. TXD: Serial data transmit pin
8. INT0: External interrupt 0 input
9. INT1: External interrupt 1 input
10. SDA: I2C data line
11. SCL: I2C clock line
12. MOSI: Master Out Slave In pin for SPI communication
13. MISO: Master In Slave Out pin for SPI communication
14. SCK: Serial Clock pin for SPI communication
15. AREF: Analog reference voltage input
16. A0-A5: Analog input pins
17. PWM0-PWM5: Pulse Width Modulation output pins
18. GND: Ground reference
19. AVCC: Analog power supply voltage input
20. VCC: Power supply voltage input

Functional Features

• High-performance microcontroller with low-power consumption
• Suitable for a wide range of applications due to its versatile communication interfaces (UART, SPI, I2C)
• Provides 10-bit ADC resolution for accurate analog measurements
• Supports up to 6 PWM channels for precise control of output signals
• Offers 32 KB of flash memory for program storage
• Can operate in a wide temperature range (-40°C to +85°C)

Advantages and Disadvantages

Advantages: - High-performance capabilities - Versatile communication interfaces - Low-power consumption - Ample program storage capacity

Disadvantages: - Limited number of digital I/O pins - Relatively small RAM size

Working Principles

The CG7802AAT microcontroller operates based on the principles of digital logic and integrated circuit design. It utilizes a combination of hardware and software to execute programmed instructions and perform various tasks. The microcontroller's central processing unit (CPU) fetches instructions from the flash memory, processes them, and controls the input/output operations through the digital and analog pins. The clock speed determines the rate at which instructions are executed.

Detailed Application Field Plans

The CG7802AAT microcontroller finds applications in various fields, including but not limited to:

1. Internet of Things (IoT) devices
2. Home automation systems
3. Industrial automation
4. Robotics
5. Automotive electronics
6. Consumer electronics
7. Medical devices
8. Sensor networks

Detailed and Complete Alternative Models

1. CG7801AAT: Similar specifications, but with 16 KB flash memory instead of 32 KB.
2. CG7803AAT: Higher clock speed (20 MHz) and additional digital I/O pins.
3. CG7804AAT: Increased RAM size (4 KB) and extended temperature range (-40°C to +105°C).

These alternative models offer similar functionalities with slight variations in specifications, catering to different application requirements.

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