PIC16F688-I/ML

Product Overview

• Category: Microcontroller
• Use: Embedded systems, control applications
• Characteristics: Low power consumption, high performance, compact size
• Package: 20-pin QFN (Quad Flat No-Lead)
• Essence: Integrated microcontroller with advanced features
• Packaging/Quantity: Tape and reel packaging, available in quantities of 2500 units per reel

Specifications

• Architecture: 8-bit
• CPU Speed: Up to 20 MHz
• Program Memory Size: 7 KB
• RAM Size: 256 bytes
• Number of I/O Pins: 18
• Analog-to-Digital Converter (ADC): 10-bit, 8 channels
• Serial Communication: USART, SPI, I2C
• Timers: 3 timers/counters
• Operating Voltage Range: 2.0V to 5.5V
• Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The PIC16F688-I/ML microcontroller has a total of 20 pins, each serving a specific purpose. The pin configuration is as follows:

1. RA2/AN2/C1IN-
2. RA3/AN3/VREF-/C2IN-
3. RA4/T0CKI/C1OUT/RCV
4. MCLR/VPP
5. VSS
6. RB0/INT/FLT0
7. RB1/SDI/SDA
8. RB2/SDO/SCL
9. RB3/PGM
10. RB4/T1OSO/T1CKI/CCP1
11. RB5/T1OSI/CCP2
12. RB6/PGC
13. RB7/PGD
14. VDD
15. OSC1/CLKI
16. OSC2/CLKO
17. RC0/T1OSO/T1CKI/CCP2
18. RC1/T1OSI/CCP1
19. RC2/CCP1
20. RC3/SCL

Functional Features

• Low power consumption allows for extended battery life in portable applications.
• High-performance CPU enables fast execution of instructions.
• Compact size makes it suitable for space-constrained designs.
• Integrated analog-to-digital converter (ADC) simplifies measurement and monitoring tasks.
• Multiple serial communication interfaces (USART, SPI, I2C) facilitate data exchange with other devices.
• Timers/counters provide precise timing control for various applications.

Advantages and Disadvantages

Advantages

• Low power consumption extends battery life.
• High-performance CPU enables efficient processing.
• Compact size allows for flexible integration.
• Integrated ADC simplifies analog measurements.
• Multiple serial communication interfaces enhance connectivity.
• Timers/counters provide accurate timing control.

Disadvantages

• Limited program memory size may restrict complex applications.
• Limited RAM size may limit the amount of data that can be stored.
• 8-bit architecture may not be suitable for certain demanding tasks.

Working Principles

The PIC16F688-I/ML microcontroller operates based on an 8-bit architecture. It executes instructions stored in its program memory to perform various tasks. The CPU speed determines the rate at which instructions are processed. The microcontroller communicates with external devices through its I/O pins and serial communication interfaces. It can read analog signals using its integrated ADC and generate digital outputs through its timers/counters. The microcontroller operates within a specified voltage and temperature range to ensure reliable performance.

Detailed Application Field Plans

The PIC16F688-I/ML microcontroller finds applications in various fields, including:

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

Detailed and Complete Alternative Models

• PIC16F690-I/ML: Similar features with increased program memory size (14 KB)
• PIC16F687-I/ML: Similar features with reduced I/O pins (14 pins)
• PIC16F684-I/ML: Similar features with reduced program memory size (3.5 KB)
• PIC16F628A-I/ML: Similar features with reduced RAM size (224 bytes)

These alternative models offer different specifications to cater to specific application requirements.

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