PIC16F77-E/L

Product Overview

Category

The PIC16F77-E/L belongs to the category of microcontrollers.

Use

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

Characteristics

• Low power consumption
• High-performance RISC CPU
• Wide operating voltage range
• On-chip peripherals for enhanced functionality
• Flash memory for program storage
• EEPROM data memory for non-volatile storage
• Multiple communication interfaces (UART, SPI, I2C)
• Analog-to-Digital Converter (ADC) for sensor interfacing
• Timers and counters for precise timing operations

Package

The PIC16F77-E/L is available in a 40-pin PDIP (Plastic Dual Inline Package) or a 44-pin PLCC (Plastic Leaded Chip Carrier) package.

Essence

The essence of the PIC16F77-E/L lies in its ability to provide a cost-effective solution for embedded control applications with its powerful features and compact design.

Packaging/Quantity

The PIC16F77-E/L is typically packaged in tubes or trays, with quantities varying depending on the supplier and customer requirements.

Specifications

• Microcontroller Family: PIC16F
• CPU Architecture: RISC
• Program Memory Size: 8KB
• RAM Size: 368 bytes
• Operating Voltage Range: 2.0V to 5.5V
• Maximum Clock Frequency: 20 MHz
• Number of I/O Pins: 33
• ADC Resolution: 10-bit
• Communication Interfaces: UART, SPI, I2C
• Timers/Counters: 3
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The PIC16F77-E/L has a total of 40 pins, each serving a specific purpose. 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/VREF- - Analog input or digital I/O, voltage reference
6. RA4/T0CKI/C1OUT - Timer0 clock input or digital I/O, comparator output
7. RA5/AN4/SS - Analog input or digital I/O, SPI slave select
8. RE0/RD/AN5 - Port E bit 0 or port D or analog input
9. RE1/WR/AN6 - Port E bit 1 or port W or analog input
10. RE2/CS/AN7 - Port E bit 2 or chip select or analog input
11. VSS - Ground
12. OSC1/CLKIN - Oscillator input
13. OSC2/CLKOUT - Oscillator output
14. RC0/T1OSO/T1CKI - Timer1 oscillator output or clock input
15. RC1/T1OSI/CCP2 - Timer1 oscillator input or CCP2
16. RC2/CCP1 - CCP1 module
17. RC3/SCK/SCL - SPI/I2C clock
18. RC4/SDI/SDA - SPI/I2C data input
19. RC5/SDO - SPI data output
20. RC6/TX/CK - USART transmit or synchronous clock

... (continued)

Functional Features

The PIC16F77-E/L offers several functional features that enhance its usability and performance in various applications:

1. Flash Memory: The microcontroller's on-chip flash memory allows for easy reprogramming of the device, enabling flexibility in application development and updates.

2. Peripheral Integration: The PIC16F77-E/L incorporates various on-chip peripherals such as UART, SPI, I2C, timers, and counters. These peripherals enable seamless communication with external devices and precise timing operations.

3. Analog-to-Digital Conversion: With its built-in 10-bit ADC, the microcontroller can interface with analog sensors and convert their signals into digital values for processing.

4. Low Power Consumption: The PIC16F77-E/L is designed to operate efficiently with low power consumption, making it suitable for battery-powered applications or energy-conscious designs.

Advantages and Disadvantages

Advantages

• Cost-effective solution for embedded control applications
• Wide operating voltage range allows for compatibility with various power sources
• On-chip peripherals reduce the need for external components, saving board space and cost
• Flash memory enables easy program updates and flexibility in application development
• Low power consumption extends battery life and reduces energy consumption

Disadvantages

• Limited program memory size (8KB) may restrict the complexity