PIC16F84AT-04I/SS

Product Overview

Category

The PIC16F84AT-04I/SS 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
• Timers/counters
• Serial communication interface
• Analog-to-digital converter (ADC)
• Watchdog timer
• Brown-out reset

Package

The PIC16F84AT-04I/SS is available in a small surface mount package, denoted as SS. This package offers compactness and ease of integration into electronic circuits.

Essence

The essence of the PIC16F84AT-04I/SS lies in its ability to provide a cost-effective solution for controlling and managing various electronic systems.

Packaging/Quantity

The PIC16F84AT-04I/SS is typically packaged in reels or tubes, containing a specific quantity of microcontrollers per package. The exact packaging and quantity may vary depending on the supplier.

Specifications

• Operating Voltage: 2.0V 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
• Timer Modules: 1 x 8-bit, 1 x 16-bit
• Communication Interfaces: USART, SPI, I2C

Detailed Pin Configuration

The PIC16F84AT-04I/SS 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, comparator reference voltage
3. RA3/MCLR/VPP - Master Clear input, programming voltage
4. RA4/T0CKI/C1OUT - Timer0 clock input, comparator output
5. RA5/AN4/SS/HLVDIN - Analog input, Slave Select for SPI, High/Low Voltage Detect input
6. RE0/RD/AN5 - Port E bit 0, Read/Write control signal, Analog input
7. RE1/WR/AN6 - Port E bit 1, Write control signal, Analog input
8. RE2/CS/AN7 - Port E bit 2, Chip Select for SPI, Analog input
9. VSS - Ground
10. RB0/INT/AN12 - Port B bit 0, External Interrupt input, Analog input
11. RB1/AN10 - Port B bit 1, Analog input
12. RB2/AN8 - Port B bit 2, Analog input
13. RB3/AN9 - Port B bit 3, Analog input
14. RB4/AN11/KBI0 - Port B bit 4, Analog input, Keyboard Interrupt input
15. RB5/KBI1/PGM - Port B bit 5, Keyboard Interrupt input, Programming mode
16. RB6/KBI2/PGC - Port B bit 6, Keyboard Interrupt input, Programming Clock
17. RB7/KBI3/PGD - Port B bit 7, Keyboard Interrupt input, Programming Data
18. VDD - Power supply voltage

Functional Features

The PIC16F84AT-04I/SS offers several functional features that enhance its usability and performance:

1. Flash Program Memory: Allows 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. Timers/Counters: 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): Converts analog signals into digital values for processing.
7. Watchdog Timer: Ensures system reliability by resetting the microcontroller in case of software errors.
8. Brown-out Reset: Protects the microcontroller from voltage fluctuations.

Advantages and Disadvantages

Advantages

• Low power consumption makes it suitable for battery-powered applications.
• High-performance RISC CPU enables efficient execution of instructions.
• Compact package allows for space-saving integration into electronic designs.
• Wide range of built-in peripherals simplifies system design and reduces external component count.

Disadvantages

• Limited program memory size may restrict the complexity of applications.
• 8-bit ADC resolution may not be sufficient for high-precision