PIC16F689-I/P

Product Overview

Category

The PIC16F689-I/P 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
• On-chip peripherals for enhanced functionality
• Flash program memory for easy reprogramming
• Small form factor suitable for compact designs

Package

The PIC16F689-I/P is available in a 20-pin plastic dual inline package (DIP).

Essence

The essence of the PIC16F689-I/P lies in its ability to provide efficient and reliable control and processing capabilities in a compact and low-power package.

Packaging/Quantity

The PIC16F689-I/P is typically packaged in reels or tubes, with quantities varying depending on the supplier and customer requirements.

Specifications

• CPU: 8-bit RISC
• Program Memory: 7.3 KB Flash
• Data Memory: 256 bytes RAM
• Operating Voltage Range: 2.0V to 5.5V
• Maximum Speed: 20 MHz
• I/O Pins: 18
• Timers: 3
• Analog-to-Digital Converter (ADC): 10-bit, 8 channels
• Communication Interfaces: USART, SPI, I2C

Detailed Pin Configuration

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

1. RA2/AN2/CVREF/VREF - Analog input/Comparator reference voltage
2. RA3/AN3/VREF-/CVREF-/SS - Analog input/Comparator reference voltage/Slave select
3. RA4/T0CKI/C1OUT/RCV - Timer0 clock input/Comparator output/USART receive
4. RA5/AN4/SS/HLVDIN - Analog input/Slave select/High/Low voltage detect input
5. VSS - Ground
6. RA7/OSC1/CLKI - Oscillator input/Clock input
7. RA6/OSC2/CLKO - Oscillator output/Clock output
8. RB0/INT/FLT0 - External interrupt input/Comparator fault input
9. RB1/SDI/SDA - SPI data input/I2C data
10. RB2/SDO/SCL - SPI data output/I2C clock
11. RB3/PGM - Programming voltage
12. RB4/T1OSO/T1CKI/PGC - Timer1 oscillator output/Timer1 clock input/Programming and debugging clock
13. RB5/T1OSI/PGD - Timer1 oscillator input/Programming and debugging data
14. VDD - Power supply
15. RB6/PGM - Programming voltage
16. RB7/PGC - Programming and debugging clock
17. RB8/PGD - Programming and debugging data
18. RB9 - General-purpose I/O
19. RB10 - General-purpose I/O
20. RB11 - General-purpose I/O

Functional Features

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

• High-performance RISC CPU for efficient processing
• Flash program memory for easy reprogramming
• On-chip peripherals such as timers, ADC, and communication interfaces for enhanced functionality
• Low power consumption for energy-efficient designs
• Wide operating voltage range for flexibility in different power supply scenarios

Advantages and Disadvantages

Advantages

• Compact size suitable for space-constrained designs
• Low power consumption extends battery life
• Wide operating voltage range allows for versatile power supply options
• On-chip peripherals reduce the need for external components, saving cost and board space

Disadvantages

• Limited program memory compared to higher-end microcontrollers
• Limited number of I/O pins may restrict the complexity of certain applications
• Lack of advanced features found in more specialized microcontrollers

Working Principles

The PIC16F689-I/P operates based on the principles of a RISC (Reduced Instruction Set Computer) architecture. It executes instructions stored in its program memory, manipulating data from its data memory and interacting with various on-chip peripherals. The microcontroller's clock drives the execution of instructions, enabling it to perform tasks according to the programmed logic.

Detailed Application Field Plans

The PIC16F689-I/P finds application in various fields, including but not limited to:

1. Home automation systems
2. Industrial control systems
3. Automotive electronics
4. Consumer electronics
5. Medical devices
6. Internet of Things (IoT) devices

In these applications, the microcontroller provides control, monitoring, and processing capabilities, enabling the desired