PIC16F689-I/ML

Product Overview

Category

The PIC16F689-I/ML belongs to the category of microcontrollers.

Use

This microcontroller is commonly used in various electronic applications that require embedded control and processing capabilities.

Characteristics

• Low power consumption
• High-performance RISC CPU
• Wide operating voltage range
• Flash program memory
• EEPROM data memory
• I/O ports with programmable characteristics
• Timers and counters
• Analog-to-digital converter (ADC)
• Serial communication interfaces

Package

The PIC16F689-I/ML is available in a small form factor, known as a micro lead frame package (MLP). This package provides compactness and ease of integration into electronic systems.

Essence

The essence of the PIC16F689-I/ML lies in its ability to provide a cost-effective solution for embedded control applications. It combines various features and peripherals required for efficient system operation.

Packaging/Quantity

The PIC16F689-I/ML is typically sold in reels or tubes, containing a specific quantity of microcontrollers per package. The exact packaging and quantity may vary depending on the supplier.

Specifications

• Microcontroller Family: PIC16F
• Program Memory Size: 7KB
• RAM Size: 256 bytes
• Number of I/O Pins: 20
• Operating Voltage Range: 2.0V to 5.5V
• Maximum Clock Speed: 20 MHz
• ADC Resolution: 10-bit
• Communication Interfaces: USART, SPI, I2C
• Timers: 3 x 8-bit, 1 x 16-bit
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The PIC16F689-I/ML has a total of 20 pins, each serving a specific purpose. The pin configuration is as follows:

1. RA0 - Analog Input / Digital I/O
2. RA1 - Analog Input / Digital I/O
3. RA2 - Analog Input / Digital I/O
4. RA3 - Analog Input / Digital I/O
5. RA4 - Digital I/O
6. RA5 - Digital I/O
7. VSS - Ground
8. OSC1/CLKIN - Oscillator Input
9. OSC2/CLKOUT - Oscillator Output
10. RC0 - Digital I/O
11. RC1 - Digital I/O
12. RC2 - Digital I/O
13. RC3 - Digital I/O
14. RC4 - Digital I/O
15. RC5 - Digital I/O
16. VDD - Power Supply
17. RB0/INT - Digital I/O / External Interrupt
18. RB1 - Digital I/O
19. RB2 - Digital I/O
20. RB3 - Digital I/O

Functional Features

The PIC16F689-I/ML offers several functional features that enhance its usability in various applications:

1. High-performance RISC CPU: The microcontroller's CPU provides efficient execution of instructions, enabling fast processing of data and control operations.
2. Flash Program Memory: The onboard flash memory allows for easy reprogramming of the microcontroller, facilitating firmware updates and customization.
3. EEPROM Data Memory: The electrically erasable programmable read-only memory (EEPROM) enables non-volatile storage of critical data even during power loss.
4. I/O Ports with Programmable Characteristics: The microcontroller offers flexible input/output ports that can be configured to suit specific application requirements.
5. Timers and Counters: Integrated timers and counters provide precise timing and event counting capabilities, essential for time-sensitive applications.
6. Analog-to-Digital Converter (ADC): The built-in ADC allows the microcontroller to convert analog signals into digital values, enabling measurement and control of analog quantities.
7. Serial Communication Interfaces: The microcontroller supports various serial communication protocols such as USART, SPI, and I2C, facilitating data exchange with other devices.

Advantages and Disadvantages

Advantages

• Low power consumption makes it suitable for battery-powered applications.
• Wide operating voltage range allows compatibility with different power supply sources.
• Compact MLP package enables space-saving integration into small electronic systems.
• Rich set of features and peripherals provide versatility in application development.
• Cost-effective solution for embedded control applications.

Disadvantages

• Limited program memory size may restrict the complexity of software that can be implemented.
• Relatively low RAM size may limit the amount of data that can be stored during program execution.
• Lack of advanced communication interfaces like Ethernet or USB may require additional components for specific applications.

Working Principles

The PIC16F689-I/ML operates based on the principles of a RISC (Reduced Instruction Set Computer) architecture. It executes instructions stored in its program memory, manipulating data and controlling external devices through its