PIC16F818-E/ML

Product Overview

Category

The PIC16F818-E/ML 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 programmable pull-up resistors
• Timers and counters
• Analog-to-digital converter (ADC)
• Serial communication interfaces

Package

The PIC16F818-E/ML is available in a 28-pin QFN package.

Essence

The essence of this microcontroller lies in its ability to provide a compact and efficient solution for controlling and managing electronic systems.

Packaging/Quantity

The PIC16F818-E/ML is typically packaged in reels, with each reel containing a specific quantity of microcontrollers.

Specifications

• Operating Voltage: 2.0V to 5.5V
• Flash Program Memory: 1.75KB
• RAM Data Memory: 64 bytes
• EEPROM Data Memory: 128 bytes
• I/O Pins: 22
• ADC Channels: 5
• Timers: 3
• Communication Interfaces: USART, SPI, I2C

Detailed Pin Configuration

The detailed pin configuration of the PIC16F818-E/ML microcontroller is as follows:

1. VDD - Power Supply
2. RA0/AN0 - Analog Input/Output
3. RA1/AN1 - Analog Input/Output
4. RA2/AN2 - Analog Input/Output
5. RA3/AN3 - Analog Input/Output
6. RA4/T0CKI - Timer0 Clock Input/Capture Input
7. RA5/AN4 - Analog Input/Output
8. RE0/RD/AN5 - Port E Bit 0/Reset/Input/Output
9. RE1/WR/AN6 - Port E Bit 1/Write/Input/Output
10. RE2/CS/AN7 - Port E Bit 2/Chip Select/Input/Output
11. VSS - Ground
12. OSC1/CLKIN - Oscillator Crystal Input
13. OSC2/CLKOUT - Oscillator Crystal Output
14. RC0/T1OSO/T1CKI - Timer1 Oscillator Output/Capture Input
15. RC1/T1OSI/CCP2 - Timer1 Oscillator Input/Compare/PWM Output
16. RC2/CCP1 - Capture/Compare/PWM Output
17. RC3/SCK/SCL - Serial Clock Input
18. RC4/SDI/SDA - Serial Data Input
19. RC5/SDO - Serial Data Output
20. RC6/TX/CK - USART Transmit/Asynchronous Clock
21. RC7/RX/DT - USART Receive/Data Terminal Ready
22. RB0/INT - External Interrupt Input
23. RB1 - General Purpose I/O
24. RB2 - General Purpose I/O
25. RB3 - General Purpose I/O
26. RB4 - General Purpose I/O
27. RB5 - General Purpose I/O
28. MCLR/VPP - Master Clear/Voltage Programming Pin

Functional Features

The PIC16F818-E/ML microcontroller offers the following functional features:

• High-performance RISC CPU for efficient data processing
• Flash program memory for storing and executing code
• EEPROM data memory for non-volatile data storage
• I/O ports with programmable pull-up resistors for easy interfacing
• Timers and counters for precise timing operations
• Analog-to-digital converter (ADC) for analog signal conversion
• Serial communication interfaces (USART, SPI, I2C) for data exchange

Advantages and Disadvantages

Advantages

• Low power consumption makes it suitable for battery-powered applications.
• Wide operating voltage range allows flexibility in various power supply configurations.
• Compact package size enables integration into space-constrained designs.
• Flash program memory provides flexibility for code updates and modifications.
• Multiple communication interfaces facilitate connectivity with other devices.

Disadvantages

• Limited RAM data memory may restrict the complexity of applications.
• Lack of built-in peripherals may require additional external components for certain functionalities.
• Limited number of I/O pins may limit the number of connected devices.

Working Principles

The PIC16F818-E/ML microcontroller operates based on the principles of a RISC (Reduced Instruction Set Computer) architecture. It executes instructions stored in its flash program memory to perform various tasks. The CPU fetches instructions, decodes them, and executes the corresponding operations. Input/output operations, timers, and other peripherals are controlled through specific registers