PIC16F873-04/SO

Product Overview

Category

The PIC16F873-04/SO belongs to the category of microcontrollers.

Use

This microcontroller is widely used in various electronic applications that require embedded control and processing capabilities.

Characteristics

• High-performance 8-bit RISC architecture
• Flash-based program memory
• Low power consumption
• Wide operating voltage range
• Integrated peripherals for enhanced functionality

Package

The PIC16F873-04/SO is available in a small outline (SO) package, which provides compactness and ease of integration into electronic systems.

Essence

The essence of the PIC16F873-04/SO lies in its ability to provide efficient and reliable control and processing capabilities in a compact form factor.

Packaging/Quantity

The microcontroller is typically packaged in reels or tubes, with each containing a specific quantity of devices. The exact packaging and quantity may vary depending on the supplier.

Specifications

• Architecture: 8-bit RISC
• Program Memory: 7.37 KB Flash
• Data Memory: 192 bytes RAM
• Operating Voltage Range: 2.0V to 5.5V
• Maximum Speed: 4 MHz
• Digital I/O Pins: 22
• Analog Input Channels: 5
• Timers: 3
• Communication Interfaces: USART, SPI, I2C

Detailed Pin Configuration

The PIC16F873-04/SO features a total of 28 pins, each serving a specific purpose. Here is a detailed pin configuration:

1. VDD - Power supply voltage
2. RA0/AN0 - Analog input channel 0 / Digital I/O pin
3. RA1/AN1 - Analog input channel 1 / Digital I/O pin
4. RA2/AN2 - Analog input channel 2 / Digital I/O pin
5. RA3/AN3 - Analog input channel 3 / Digital I/O pin
6. RA4/T0CKI/C1OUT - Timer0 clock input / Digital I/O pin / Comparator output
7. RA5/AN4/MCLR/VPP - Analog input channel 4 / Master Clear input / Programming voltage supply
8. RE0/RD/AN5 - Port E, bit 0 / Port D, all bits / Analog input channel 5
9. RE1/WR/AN6 - Port E, bit 1 / Port W, all bits / Analog input channel 6
10. RE2/CS/AN7 - Port E, bit 2 / Chip Select input / Analog input channel 7
11. VSS - Ground
12. OSC1/CLKIN - Oscillator input
13. OSC2/CLKOUT - Oscillator output
14. RC0/T1OSO/T1CKI - Timer1 oscillator output / Timer1 clock input
15. RC1/T1OSI/CCP2 - Timer1 oscillator input / Capture/Compare/PWM module 2
16. RC2/CCP1 - Capture/Compare/PWM module 1
17. RC3/SCK/SCL - Serial Clock input (SPI mode) / Serial Clock input (I2C mode)
18. RC4/SDI/SDA - Serial Data input (SPI mode) / Serial Data input (I2C mode)
19. RC5/SDO - Serial Data output (SPI mode)
20. RC6/TX/CK - USART Transmit data / USART Clock
21. RC7/RX/DT - USART Receive data / USART Data Terminal Ready

Functional Features

The PIC16F873-04/SO offers several functional features that enhance its capabilities:

1. Flash-based Program Memory: Allows for easy and flexible program updates.
2. Integrated Peripherals: Includes USART, SPI, and I2C interfaces for communication purposes.
3. Timers: Provides timing and counting functions for precise control.
4. Analog Input Channels: Enables the microcontroller to interface with analog sensors and devices.
5. Low Power Consumption: Optimized power management for energy-efficient operation.

Advantages and Disadvantages

Advantages

• Compact form factor for space-constrained applications
• Wide operating voltage range allows for flexibility in power supply selection
• Integrated peripherals reduce the need for external components
• Low power consumption extends battery life in portable devices

Disadvantages

• Limited program memory compared to higher-end microcontrollers
• Relatively lower clock speed may limit performance in demanding applications
• Limited number of I/O pins may restrict connectivity options in complex systems

Working Principles

The PIC16F873-04/SO operates based on an 8-bit RISC architecture. It executes instructions stored in its flash-based program memory, which can be updated as needed. The microcontroller interacts with