PIC18C442/JW

Program Memory Type:	EPROM, UV
Base Part Number:	PIC18C442
Supplier Device Package:	40-Cerdip
Package / Case:	40-CDIP (0.600", 15.24mm) Window
Operating Temperature:	0°C ~ 70°C (TA)
Oscillator Type:	External
Data Converters:	A/D 8x10b
Voltage - Supply (Vcc/Vdd):	4.2 V ~ 5.5 V
RAM Size:	512 x 8
EEPROM Size:	--
Series:	PIC® 18C
Program Memory Size:	16KB (8K x 16)
Number of I/O:	33
Peripherals:	Brown-out Detect/Reset, LVD, POR, PWM, WDT
Connectivity:	I²C, SPI, UART/USART
Speed:	40MHz
Core Size:	8-Bit
Core Processor:	PIC
Part Status:	Obsolete
Packaging:	Tube

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Embedded - Microcontrollers

Microcontrollers have become increasingly popular over the past few decades, allowing users to create small, powerful, and customizable computing solutions. The PIC18C442/JW is an example of such an embedded system, offering a variety of features that make it a great choice for a variety of applications. In this article, we will discuss the application field and working principle of the PIC18C442/JW.The PIC18C442/JW was designed for use in industrial, laboratory, and other high-end applications. This 8-bit microcontroller contains a range of features, including a 128KB flash memory, a 12-bit analog-to-digital converter, and a temperature range of -40C to +85C. Additionally, it has a wide range of functionality, including the ability to control a variety of peripheral devices, such as motors, counters, serial ports, and LEDs. One of the most notable features of the PIC18C442/JW is its low-power mode, which allows it to run on as little as 0.95V-1.2V. This makes it ideal for applications that require a small, low-power microcontroller. Moreover, its integrated RTCC (Real-time Clock and Calendar) ensures that the microcontroller remains accurate even when not powered.The working principle of the PIC18C442/JW is based on a Harvard architecture. This architecture consists of three components: the program memory, the data memory, and the instructions. The program memory stores all of the instructions necessary for the microcontroller to operate, while the data memory stores the data that is used in the programs. The instructions are then executed by the processor, which is connected to the input/output and on-chip peripherals.The PIC18C442/JW also uses an RISC (Reduced Instruction Set Computer) architecture. This architecture involves a set of instructions that are simple and are optimized for high performance. The instructions are divided into three classes: Alpha instructions, Beta instructions, and Gamma instructions. These instructions are designed to minimize the number of steps needed to complete a task and allow the microcontroller to achieve higher speeds and greater efficiency.The PIC18C442/JW has a broad range of input/output capabilities, making it well-suited for a variety of applications. Its pulse-width modulation (PWM) and analog-to-digital converter (ADC) features make it suitable for control applications, while its Universal Printer Interface (UPI) offers compatibility with a variety of printers. Additionally, its serial I/O ports and integrated EEPROM memory make it ideal for data-logging applications.To sum up, the PIC18C442/JW is a powerful and versatile 8-bit microcontroller that is suitable for a variety of applications. Its low-power mode makes it energy-efficient, while its RISC architecture and broad range of input/output capabilities make it a great choice for control and data-logging applications. Finally, its integrated RTCC ensures highly accurate timekeeping.

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