PIC18F4431T-I/PT Integrated Circuits (ICs)

Program Memory Type:	FLASH
Base Part Number:	PIC18F4431
Supplier Device Package:	44-TQFP (10x10)
Package / Case:	44-TQFP
Operating Temperature:	-40°C ~ 85°C (TA)
Oscillator Type:	Internal
Data Converters:	A/D 9x10b
Voltage - Supply (Vcc/Vdd):	4.2 V ~ 5.5 V
RAM Size:	768 x 8
EEPROM Size:	256 x 8
Series:	PIC® 18F
Program Memory Size:	16KB (8K x 16)
Number of I/O:	36
Peripherals:	Brown-out Detect/Reset, LVD, Power Control PWM, QEI, POR, PWM, WDT
Connectivity:	I²C, SPI, UART/USART
Speed:	40MHz
Core Size:	8-Bit
Core Processor:	PIC
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction

The PIC18F4431T-I/PT is a low-cost, 8-bit microcontroller with many advanced features including Flash program memory, Direct Reception of Serial Data, and Wide Temperature Range. This microcontroller family has been designed to target a wide range of application areas including industrial, automotive, consumer products, and telecommunications applications. The device is designed to be used in embedded applications and is applicable to a variety of different platforms.

Application Fields

The PIC18F4431T-I/PT is most often used for applications such as motor control, intelligent remote control, temperature control, and power supply control. Some key features of this family of microcontrollers include:

• Versatile 8-bit microcontroller
• High performance and low cost
• 16 and 12-bit instruction modes
• 64K bytes of Flash program memory
• Extended non-volatile data memory
• Programmable input/output control ports
• Direct access to external memory
• Full-duplex serial port
• Peripheral modules including USART, SPI, and I2C
• Wide temperature range (-40 to 85° C)

The PIC18F4431T-I/PT is used for applications including motor control, temperature control, power supply control, and intelligent remote control. However, this microcontroller is also used for applications such as efficient LED lighting control, real-time industrial automation, security systems, Ethernet communications, and robotics.

Features

The PIC18F4431T-I/PT microcontroller has many features that make it ideal for embedded applications. The microcontroller has a 64K bytes of Flash program memory, 16 and 12-bit instruction modes, direct access to external memory, programmable input/output control ports, full-duplex serial port, and peripheral modules. The microcontroller also has an Extended Non-Voltage Data Memory (EDM), which provides data storage without the need for refreshing. Additionally, the device is able to operate over a wide temperature range of -40 to 85°C, making it suitable for use in extreme environments.The PIC18F4431T-I/PT is also designed for low-power operation, consuming only 84 microamps of power in Sleep mode. Furthermore, the device features low-power wake-up modes, including a programmable Wake-Up On Change (WUC) circuitry, making it ideal for battery-operated embedded applications.

Working Principle

The PIC18F4431T-I/PT leverages the PIC architecture, which is based on an 8-bit RISC CPU core with 35 single-word instructions. The device supports 16-bit instructions on the main source ROM, 12-bit instructions on the sub source ROM, and 8-bit instructions on the program memory. The device also supports indirect and indexed addressing modes, which are used to reference variables stored in RAM. At the heart of the PIC18F4431T-I/PT is a Program Increment Counter (PIC) which is used to keep track of program execution. The PIC is incremented every clock cycle and is used to address the next instruction. The instruction set architecture is designed for ease of use and efficient program execution. Additionally, the device features hardware for fast interrupt processing.

Conclusion

The PIC18F4431T-I/PT is a low-cost, 8-bit microcontroller with a wide range of features and applications. This microcontroller family is designed for use in embedded applications, including motor control, intelligent remote control, temperature control, and power supply control. The device is optimized for low-power operation, while still offering a wide range of memory and I/O functions. Additionally, the microcontroller includes advanced features such as Flash program memory, Direct Reception of Serial Data, and Wide Temperature range.

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