PIC16F84T-04I/SO

Product Overview

Category

The PIC16F84T-04I/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

• Low power consumption
• High-performance RISC CPU
• Flash program memory
• EEPROM data memory
• I/O ports with programmable pull-up resistors
• Timer/Counter modules
• Serial communication interface
• Analog-to-Digital Converter (ADC)
• Watchdog Timer
• Brown-out Reset

Package

The PIC16F84T-04I/SO is available in a small outline (SO) package, which allows for easy integration into compact electronic devices.

Essence

The essence of the PIC16F84T-04I/SO lies in its ability to provide efficient and reliable control and processing capabilities in a compact form factor.

Packaging/Quantity

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

Specifications

• Operating Voltage: 2.5V to 5.5V
• Maximum Clock Frequency: 4 MHz
• Program Memory Size: 1K words
• Data Memory Size: 68 bytes
• I/O Pins: 13
• ADC Resolution: 8 bits
• Communication Interfaces: USART, SPI, I2C

Detailed Pin Configuration

The PIC16F84T-04I/SO has a total of 18 pins, each serving a specific purpose. Here is the detailed pin configuration:

1. VDD - Power supply voltage
2. RA2/AN2/CVREF/VREF - Analog input channel 2 / Comparator voltage reference
3. RA3/AN3/VREF - Analog input channel 3 / Comparator voltage reference
4. RA4/T0CKI/C1OUT/RCV - Timer0 clock input / Capture input / Comparator output / USART receive pin
5. MCLR/VPP - Master Clear input / Programming voltage input
6. RA0/AN0 - Analog input channel 0
7. RA1/AN1 - Analog input channel 1
8. OSC1/CLKIN - Oscillator input
9. OSC2/CLKOUT - Oscillator output
10. RC0/T1OSO/T1CKI - Timer1 oscillator output / Timer1 clock input
11. RC1/T1OSI/CCP2 - Timer1 oscillator input / Timer1 capture/compare/PWM pin
12. RC2/CCP1 - Capture/compare/PWM pin
13. RC3/SCK/SCL - Serial clock input (SPI/I2C)
14. RC4/SDI/SDA - Serial data input (SPI/I2C)
15. RC5/SDO - Serial data output (SPI)
16. VSS - Ground
17. RB0/INT - External interrupt input
18. RB1/DT/SDO - Data transmit pin (USART/SPI)

Functional Features

The PIC16F84T-04I/SO offers several functional features that enhance its usability and performance:

1. Flash Program Memory: Allows for easy reprogramming of the microcontroller's instructions.
2. EEPROM Data Memory: Provides non-volatile storage for critical data.
3. I/O Ports with Programmable Pull-up Resistors: Simplifies interfacing with external devices.
4. Timer/Counter Modules: Enables precise timing and event counting capabilities.
5. Serial Communication Interface: Facilitates communication with other devices using USART, SPI, or I2C protocols.
6. Analog-to-Digital Converter (ADC): Allows for the conversion of analog signals into digital values.
7. Watchdog Timer: Ensures system reliability by resetting the microcontroller in case of a software or hardware failure.
8. Brown-out Reset: Protects the microcontroller from voltage fluctuations that could lead to unpredictable behavior.

Advantages and Disadvantages

Advantages

• Low power consumption makes it suitable for battery-powered applications.
• High-performance RISC CPU provides efficient processing capabilities.
• Flash program memory allows for easy firmware updates.
• Compact form factor enables integration into space-constrained designs.
• Wide range of communication interfaces enhances connectivity options.

Disadvantages

• Limited program memory size may restrict the complexity of applications.
• Low ADC resolution may not be suitable for high-precision analog measurements.
• Relatively low clock frequency may limit the processing speed in demanding applications.

Working Principles

The PIC16F84T-04I/SO operates based on the principles of a Reduced Instruction Set Computer (RISC) architecture. It executes instructions stored in its program memory, manipulating data stored in registers and memory locations. The micro