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PIC16F84A-04/P

Name: PIC16F84A-04/P
Rating: 4.7 (12 reviews)

IC MCU 8BIT 1.75KB FLASH 18DIP

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包 PDIP-18
資料表 PIC16F84A-04/P DataSheet
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規格

Package	Tube
Series	PIC® 16F
ProductStatus	Active
CoreProcessor	PIC
CoreSize	8-Bit
Speed	4MHz
Peripherals	POR, WDT
NumberofI/O	13
ProgramMemorySize	1.75KB (1K x 14)
ProgramMemoryType	FLASH
EEPROMSize	64 x 8
RAMSize	68 x 8
Voltage-Supply(Vcc/Vdd)	4V ~ 5.5V
OscillatorType	External
OperatingTemperature	0°C ~ 70°C (TA)
MountingType	Through Hole
Package/Case	18-DIP (0.300, 7.62mm)

概述

Description

The PIC16F84A-04/P is an 8-bit microcontroller from Microchip Technology, part of the PIC16 family. It features a 14-bit instruction set and operates at a maximum clock speed of 20 MHz. The device has 1 KB of program memory, 64 bytes of SRAM, and 128 bytes of Electrically Erasable Programmable Read-Only Memory (EEPROM).
Key features include 13 I/O pins, a 10-bit analog-to-digital converter (ADC), and several timers for various applications. It supports the Microchip MPLAB development environment for programming and debugging, making it accessible for both beginners and experienced developers.
The PIC16F84A is popular in embedded systems, robotics, and automation due to its versatility, ease of use, and low power consumption. Additionally, it includes built-in watchdog timers and an interrupt system, enhancing reliability in applications. Overall, the PIC16F84A-04/P is a robust choice for a variety of control and automation tasks in electronic projects.

Features

The PIC16F84A-04/P is an 8-bit microcontroller from Microchip Technology, featuring the following key specifications:
1. Architecture: Enhanced mid-range architecture with 14-bit instruction set.
2. Memory: 1 kB of Flash program memory, 64 bytes of SRAM, and 128 bytes of EEPROM.
3. I/O Ports: 13 digital I/O pins, configurable as input or output.
4. Timers: One 8-bit and one 16-bit timer, plus a watchdog timer.
5. Oscillator: Operates with a clock speed up to 20 MHz.
6. ADC: No built-in ADC, but compatible with external analog devices.
7. Interrupts: Up to 12 interrupt sources, including external interrupts.
8. Power Supply: Operates at 2.0V to 5.5V.
9. Package Options: Available in PDIP, SOIC, and other packages.
The PIC16F84A is widely used in embedded systems for its simplicity, affordability, and effectiveness in various applications.

Package

The PIC16F84A-04/P is typically available in a 18-pin Dual In-line Package (DIP) form factor. It may also be found in surface mount packages like the 18-pin SOIC.

Pinout

The PIC16F84A-04/P microcontroller has a total of 18 pins. Its pin configuration includes:
1. VDD (Power Supply) - Pin 1
2. VSS (Ground) - Pin 2
3. MCLR (Master Clear Reset) - Pin 3
4. GPIO (General Purpose Input/Output) Pins - Pins 4-7 (RB0-RB3) and Pins 9-12 (RB4-RB7)
5. AN0-AN3 (Analog Inputs) - Pins 2-3 (can also serve as GPIO)
6. T0CKI (Timer0 Clock Input) - Pin 4
7. TX/RX (Serial Communication) - Pins 6 & 7 (for asynchronous serial communication)
8. VREF (Reference Voltage) - Pin 5 (optional for ADC)
9. OSC1/CLKIN and OSC2/CLKOUT (Oscillator Pins) - Pins 1 & 2 for external oscillator configuration.
The device operates at a voltage range of 2.0V to 5.5V and is equipped with a 14-bit instruction set, 64 bytes of RAM, and 128 bytes of EEPROM, making it suitable for various embedded applications.

Manufacturer

The PIC16F84A-04/P is manufactured by Microchip Technology Inc. Microchip is a leading American semiconductor company that specializes in designing and manufacturing microcontrollers, analog semiconductors, and related technologies. Founded in 1989 and headquartered in Chandler, Arizona, Microchip provides a wide range of products for various applications, including automotive, industrial, consumer, and communications. The company is known for its Microchip PIC microcontroller family, which is widely used in embedded systems due to its versatility, ease of use, and extensive support ecosystem.

Application

The PIC16F84A-04/P microcontroller is commonly used in embedded systems for applications such as home automation, industrial control, motor control, automotive systems, and consumer electronics. Its features make it suitable for tasks like sensor interfacing, data acquisition, and simple communication protocols. It is often utilized in robotics, alarm systems, and remote control devices.

Equivalent

Equivalent products to the PIC16F84A-04/P include the PIC16F84, PIC16F84A, and other PIC16F series microcontrollers with similar specifications, such as the PIC16F628A and PIC16F648A. Ensure to check parameters like memory size, I/O pins, and operating voltage to confirm compatibility for specific applications.