Microchip Technology
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PIC16F689-E/P
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PIC16F689-E/P

Product Overview

Category

The PIC16F689-E/P belongs to the category of microcontrollers.

Use

This microcontroller is commonly used in various electronic devices and embedded systems for controlling and processing data.

Characteristics

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

Package

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

Essence

The essence of the PIC16F689-E/P lies in its ability to provide a cost-effective solution for applications requiring moderate computational power and peripheral functionality.

Packaging/Quantity

This microcontroller is typically packaged in tubes or trays, with quantities varying depending on the supplier and customer requirements.

Specifications

  • CPU: 8-bit RISC
  • Program Memory Size: 7.5 KB
  • RAM Size: 256 bytes
  • Data EEPROM Size: 256 bytes
  • Operating Voltage Range: 2.0V to 5.5V
  • Maximum Speed: 20 MHz
  • I/O Pins: 18
  • ADC Channels: 8
  • Timers: 3
  • Communication Interfaces: USART, SPI, I2C

Detailed Pin Configuration

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

  1. RA2/AN2/CVREF/VREF-: Analog input channel 2 / Comparator voltage reference / Negative voltage reference
  2. RA3/AN3/VREF+: Analog input channel 3 / Positive voltage reference
  3. RA4/T0CKI/C1OUT: Timer0 external clock input / Comparator 1 output
  4. RA5/AN4/SS/HLVDIN: Analog input channel 4 / Slave select for SPI / High/Low voltage detect input
  5. RE0/RD/AN5: Port E, bit 0 / Read control for LCD module / Analog input channel 5
  6. RE1/WR/AN6: Port E, bit 1 / Write control for LCD module / Analog input channel 6
  7. RE2/CS/AN7: Port E, bit 2 / Chip select for SPI / Analog input channel 7
  8. VSS: Ground
  9. RA0/AN0: Analog input channel 0
  10. RA1/AN1: Analog input channel 1
  11. OSC1/CLKI: Oscillator crystal input / External clock source input
  12. OSC2/CLKO: Oscillator crystal output / Clock output
  13. RC0/T1OSO/T1CKI: Timer1 oscillator output / Timer1 external clock input
  14. RC1/T1OSI/CCP2: Timer1 oscillator input / Capture/Compare/PWM 2
  15. RC2/CCP1: Capture/Compare/PWM 1
  16. RC3/SCK/SCL: Serial clock for SPI/I2C
  17. RC4/SDI/SDA: Serial data input for SPI/I2C
  18. RC5/SDO: Serial data output for SPI
  19. RC6/TX/CK: USART transmit / Asynchronous clock
  20. RC7/RX/DT: USART receive / Data terminal ready

Functional Features

The PIC16F689-E/P offers several functional features that enhance its usability and performance:

  • Flash program memory allows for easy reprogramming of the microcontroller.
  • EEPROM data memory provides non-volatile storage for critical data.
  • I/O ports with individual direction control enable flexible interfacing with external devices.
  • Timers and counters facilitate precise timing and event counting operations.
  • The built-in analog-to-digital converter (ADC) allows for analog signal measurement and conversion.
  • Serial communication interfaces (USART, SPI, I2C) enable seamless communication with other devices.

Advantages and Disadvantages

Advantages

  • Low power consumption makes it suitable for battery-powered applications.
  • High-performance RISC CPU ensures efficient execution of instructions.
  • Wide operating voltage range allows for compatibility with various power sources.
  • Ample program memory and RAM size provide sufficient space for code and data storage.
  • Versatile I/O pins and communication interfaces offer flexibility in system design.

Disadvantages

  • Limited program memory size may restrict the complexity of applications.
  • Relatively small number of I/O pins may limit the number of peripheral devices that can be connected directly.

Working Principles

The PIC16F689-E/P operates based on the principles of a typical microcontroller. It executes instructions

Texniki həllərdə PIC16F689-E/P tətbiqi ilə bağlı 10 ümumi sual və cavabı sadalayın

  1. What is the maximum operating frequency of PIC16F689-E/P?

    • The maximum operating frequency of PIC16F689-E/P is 20 MHz.

  2. What are the key features of PIC16F689-E/P?

    • PIC16F689-E/P features 7 KB program memory, 256 bytes of RAM, 18 I/O pins, and more.

  3. How many timers does PIC16F689-E/P have?

    • PIC16F689-E/P has three timers: Timer0, Timer1, and Timer2.

  4. Can PIC16F689-E/P be used for analog-to-digital conversion?

    • Yes, PIC16F689-E/P has a built-in 10-bit Analog-to-Digital Converter (ADC).

  5. What programming language can be used to program PIC16F689-E/P?

    • PIC16F689-E/P can be programmed using assembly language or high-level languages like C.

  6. Does PIC16F689-E/P support serial communication?

    • Yes, PIC16F689-E/P supports serial communication through its USART module.

  7. What voltage range does PIC16F689-E/P operate on?

    • PIC16F689-E/P operates on a voltage range of 2.0V to 5.5V.

  8. Is PIC16F689-E/P suitable for battery-powered applications?

    • Yes, PIC16F689-E/P's low power consumption makes it suitable for battery-powered applications.

  9. Can PIC16F689-E/P be used in industrial control systems?

    • Yes, PIC16F689-E/P is commonly used in industrial control systems due to its reliability and versatility.

  10. Are there any development tools available for PIC16F689-E/P?

    • Yes, there are various development tools such as MPLAB X IDE and PICkit programmers available for PIC16F689-E/P.