PIC16LC781-I/SO

Product Overview

• Category: Microcontroller
• Use: Embedded systems, control applications
• Characteristics: Low power consumption, high performance, small form factor
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: A microcontroller designed for embedded control applications with low power requirements.

Packaging/Quantity

The PIC16LC781-I/SO is available in a Small Outline Integrated Circuit (SOIC) package. The quantity per package may vary depending on the supplier.

Specifications

• Architecture: 8-bit
• CPU Speed: Up to 20 MHz
• Program Memory Size: 3.5 KB
• RAM Size: 128 bytes
• Number of I/O Pins: 13
• Operating Voltage Range: 2.0V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Data EEPROM Size: 256 bytes
• Timers: 1 x 8-bit, 1 x 16-bit
• Communication Interfaces: USART, SPI, I2C

Detailed Pin Configuration

The PIC16LC781-I/SO has a total of 28 pins. The pin configuration is as follows:

1. VDD - Power supply voltage
2. RA0/AN0 - Analog input or digital I/O
3. RA1/AN1 - Analog input or digital I/O
4. RA2/AN2 - Analog input or digital I/O
5. RA3/AN3 - Analog input or digital I/O
6. RA4/T0CKI/C1OUT - Timer0 clock input or digital I/O
7. RA5/AN4/MCLR/VPP - Analog input, Master Clear input, or programming voltage
8. VSS - Ground
9. RB0/INT - External interrupt or digital I/O
10. RB1/SDI/SDA - SPI data input or I2C data
11. RB2/SDO/SCL - SPI data output or I2C clock
12. RB3/PGM - Programming voltage or digital I/O
13. RB4/T1OSO/T1CKI - Timer1 oscillator output or Timer1 clock input
14. RB5/T1OSI/SS - Timer1 oscillator input or SPI slave select
15. RB6/PGC - Programming clock or JTAG interface
16. RB7/PGD - Programming data or JTAG interface
17. VDD - Power supply voltage
18. OSC1/CLKIN - Oscillator input
19. OSC2/CLKOUT - Oscillator output
20. VSS - Ground
21. RC0/T1OSO/T1CKI - Timer1 oscillator output or Timer1 clock input
22. RC1/T1OSI/CCP2 - Timer1 oscillator input or CCP2 module
23. RC2/CCP1 - CCP1 module
24. RC3/SCK/SCL - SPI/I2C clock
25. RC4/SDI/SDA - SPI/I2C data input
26. RC5/SDO - SPI data output
27. RC6/TX/CK - USART transmit or synchronous clock
28. RC7/RX/DT - USART receive or asynchronous data

Functional Features

• Low power consumption: The PIC16LC781-I/SO is designed to operate efficiently with low power requirements, making it suitable for battery-powered applications.
• High performance: With a CPU speed of up to 20 MHz, this microcontroller offers fast processing capabilities.
• Small form factor: The SOIC package allows for compact integration into electronic systems.

Advantages and Disadvantages

Advantages

• Low power consumption enables longer battery life in portable applications.
• High-performance CPU allows for quick execution of control algorithms.
• Small form factor facilitates space-saving integration into electronic devices.

Disadvantages

• Limited program memory size (3.5 KB) may restrict the complexity of applications.
• Limited RAM size (128 bytes) may impose constraints on data storage and manipulation.

Working Principles

The PIC16LC781-I/SO operates based on an 8-bit architecture. It executes instructions stored in its program memory, interacts with peripherals through I/O pins, and performs calculations using its CPU. The microcontroller can communicate with external devices through various communication interfaces such as USART, SPI, and I2C.

Detailed Application Field Plans

The PIC16LC781-I/SO is suitable for a wide range of embedded control applications, including but not limited to:

1. Home automation systems
2. Industrial control systems
3. Automotive electronics
4. Medical devices
5. Consumer electronics

Detailed and Complete Alternative Models

• PIC16F877A: A popular alternative with larger program memory and more I