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Home > Embedded Events > PIC18F252 8-bit Microcontroller: Datasheet, Features and Application

PIC18F252 8-bit Microcontroller: Datasheet, Features and Application

Date: 10-01-2024 ClickCount: 287

What is PIC18F252

The PIC18F252 is a member of Microchip's PIC® architecture, boasting a processing power of 10 MIPS (Million Instructions Per Second), allowing for rapid execution of instructions (100 nanoseconds per instruction). Despite its powerful capabilities, programming this microcontroller is simplified due to its concise instruction set of only 77 single-word instructions.

 PIC18F252

Contained within a compact 28-pin package, this CMOS FLASH-based microcontroller offers compatibility with previous-generation PIC devices such as the PIC16C5X, PIC12CXXX, PIC16CXX, and PIC17CXX. This compatibility ensures a smooth transition of software code to higher hardware integration levels, facilitating migration within different PIC architectures.

 

The PIC18F252 is designed to be 'C' compiler-friendly, promoting an efficient development environment. It comes equipped with 256 bytes of EEPROM, enabling non-volatile data storage and self-programming capabilities. Additionally, it features an In-Circuit Debugger (ICD), enhancing the debugging and testing process during development.

 

For enhanced functionality, the PIC18F252 incorporates two capture/compare/PWM functions, enabling precise control over timing and pulse-width modulation. Moreover, it includes a 5-channel 10-bit Analog-to-Digital Converter (ADC), allowing for accurate analog signal measurements essential in various applications.

 

Its synchronous serial port can be configured as either a 3-wire Serial Peripheral Interface (SPI™) or a 2-wire Inter-Integrated Circuit (I²C™) bus, offering versatile communication options. Additionally, it includes an Addressable Universal Asynchronous Receiver Transmitter (AUSART), providing further flexibility in serial communication protocols.

 

Given its capabilities, the PIC18F252 finds its application in a wide range of industries. It's well-suited for manufacturing equipment, instrumentation, and monitoring systems, as well as data acquisition, power conditioning, environmental monitoring, and telecom and consumer audio/video applications. Its adaptability, coupled with its performance and varied communication options, makes it an ideal choice for diverse embedded system projects.

 

PIC18F252 Pinout

PIC18F252 Pinout

Pin description

Pin Number

Description

1

MCLR/VPP - Master Clear Reset

2-7

RA0/AN0 to RA5/AN4/SS/LVDIN - Port A

8, 19

Vss - Ground

9, 10

OSC1/CLKI, OSC2/CLKO/RA6 - Oscillator & Port A

11-18

RC0/T1OSO/T1CKI to RC7/RX/DT - Port C

20

Vdd - Positive Power Supply

21-28

RB0/INT0 to RB7/PGD - Port B

 

Specifications of PIC18F252 

Parameter

Value

Manufacturer

Microchip Technology

Series

PIC® 18F

Package

Tube

Product Status

Active

DigiKey Programmable

Verified

Core Processor

PIC

Core Size

8-Bit

Speed

40MHz

Peripherals

Brown-out Detect/Reset, LVD, POR, PWM, WDT

Number of I/O

23

Program Memory Size

32KB (16K x 16)

Program Memory Type

FLASH

EEPROM Size

256 x 8

RAM Size

1.5K x 8

Voltage - Supply (Vcc/Vdd)

4.2V ~ 5.5V

Data Converters

A/D 5x10b

Oscillator Type

External

Operating Temperature

-40°C ~ 85°C (TA)

Mounting Type

Surface Mount

Package / Case

28-SOIC (0.295", 7.50mm Width)

 

PIC18F252 Features

High-Performance RISC CPU:

 

  • Source code compatible with PIC16 and PIC17 instruction sets
  • Linear addressing for data memory up to 1536 bytes
  • Linear addressing for program memory up to 32 kbytes
  • Operates with a 40 MHz oscillator/clock input (DC)
  • 16-bit wide instructions and an 8-bit wide data path
  • Interrupt priority levels supported
  • Features an 8 x 8 Single Cycle Hardware Multiplier
  • Offers 32 kBytes of Flash Program Memory
  • Provides 1536 Bytes of RAM Data Memory
  • Includes 256 Bytes of RAM Data Memory

 

Peripheral Features:

 

  • High current sink/source capability of 25mA/25mA
  • Timer/Counters: Two 16-bit (TMR1, TMR3), one 8-bit/16-bit with prescaler, one 8-bit with 8-bit period register
  • Capture (16-bit, max. resolution 6.25ns) and Compare (16-bit, max. resolution 100ns) capabilities
  • Supports 3-wire SPI with Interrupt-on-Address Bit
  • I²C Master and Slave mode functionality available
  • Addressable USART Module supporting RS-485 and RS-232
  • Includes a Parallel Slave Port (PSP) module
  • Equipped with a Five-Channel 10-bit Analog-to-Digital Converter

 

Special Microcontroller Features:

 

  • Contains Power-On Reset and Power-up Timer (PWRT) along with Oscillator Start-Up Timer (OST)
  • Enhanced Flash Program Memory with 1,000 erase/write cycles
  • EEPROM Data Memory capable of 1,000,000 typical erase/write cycles
  • Includes Watchdog Timer (WDT) with its own On-Chip RC oscillator
  • Programmable Code Protection feature
  • Offers Power Saving SLEEP mode
  • Includes a 4X Phase Lock Loop (of primary oscillator)
  • Features a Secondary Oscillator (32kHz) clock input
  • Supports In-Circuit Debug (ICD)

 

CMOS Technology:

 

  • Utilizes low power, high-speed CMOS FLASH technology
  • Designed with a Fully Static Design
  • Supports a Wide Operating Voltage Range (2.0V to 5.5V)

 

I/O and Packages:

 

  • Features 23 I/O pins with individual direction control
  • Comes in a 28-pin DIP package

 

PIC18F252 Applications

  • Embedded Systems
  • Automotive Electronics
  • Industrial Control Systems
  • Instrumentation Equipment
  • Communications and Networking Devices
  • Consumer Electronics
  • Healthcare Devices
  • Power Conditioning Systems
  • Environmental Monitoring Devices
  • Audio/Video Equipment

 

PIC18F252 Datasheet PDF

Download PIC18F252 datasheet PDF >>

 

Manufacturer

The PIC18F252, produced by Microchip Technology, is an 8-bit microcontroller featuring a powerful RISC CPU, offering various peripheral features and suitable for a wide array of applications. It belongs to the PIC18F family of microcontrollers, known for their versatility and performance. With a 40 MHz clock speed, 32 KB of Flash program memory, and 1.5 KB of RAM, this microcontroller provides ample resources for diverse embedded system designs.

 

Microchip Technology is a global leader in providing a diverse range of innovative microcontroller, analog, and mixed-signal semiconductor solutions. Renowned for their PIC microcontroller series, including the versatile PIC18F252, Microchip empowers technological advancements across industries like automotive, industrial automation, consumer electronics, and more. With a commitment to reliability, customer support, and sustainability, Microchip continues to drive innovation, serving a broad spectrum of applications and enabling the development of cutting-edge embedded systems and electronic devices worldwide.

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FAQ

  • What is the architecture of the PIC18F252?
  • The PIC18F252 uses a Harvard architecture with an enhanced 8-bit CPU core, featuring a reduced instruction set computing (RISC) architecture.
  • What are the voltage and temperature operating ranges for the PIC18F252?
  • The voltage operating range typically spans from 2.0V to 5.5V, and the temperature operating range can vary but is often specified from -40°C to 125°C or wider, depending on the specific variant.
  • What programming languages can be used to program the PIC18F252?
  • The PIC18F252 can be programmed using assembly language or high-level languages like C or C++ using Microchip's MPLAB® IDE or other compatible development environments.
  • What tools are available for programming and development with the PIC18F252?
  • Microchip provides the MPLAB® IDE, MPLAB X IDE, and various compilers, assemblers, debuggers, and development boards specifically designed for the PIC18F family.
  • Can the PIC18F252 be used in low-power applications?
  • Yes, it includes power-saving features such as a low-power sleep mode and multiple low-power operating modes that make it suitable for low-power applications.
  • Is the PIC18F252 suitable for beginners in microcontroller programming?
  • Yes, it can be a good starting point for beginners due to its user-friendly development tools, vast online resources, and extensive community support.

Author

Kristina Moyes is an experienced writer who has been working in the electronics industry for the past five years. With a deep passion for electronics and the industry as a whole, she has written numerous articles on a wide range of topics related to electronic products and their development. Kristina's knowledge and expertise in the field have earned her a reputation as a trusted and reliable source of information for readers interested in the latest advancements in electronics.

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