PIC17C42A-25/L

Program Memory Type:	OTP
Base Part Number:	PIC17C42A
Supplier Device Package:	44-PLCC (16.59x16.59)
Package / Case:	44-LCC (J-Lead)
Operating Temperature:	0°C ~ 70°C (TA)
Oscillator Type:	External
Data Converters:	--
Voltage - Supply (Vcc/Vdd):	4.5 V ~ 6 V
RAM Size:	232 x 8
EEPROM Size:	--
Series:	PIC® 17C
Program Memory Size:	4KB (2K x 16)
Number of I/O:	33
Peripherals:	POR, PWM, WDT
Connectivity:	UART/USART
Speed:	25MHz
Core Size:	8-Bit
Core Processor:	PIC
Part Status:	Active
Packaging:	Tube

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Introduction

The PIC17C42A-25/L is a microcontroller developed by Microchip Technology Inc. It is part of the PIC17 family of microcontrollers, which are based on the 8-bit Harvard architecture. The PIC17C42A-25/L is especially notable for its low power requirements, ranging as low as 75 nA/MHz in full operating mode, and its wide array of features.

Features

The PIC17C42A-25/L is capable of executing up to 170 MIPS (Million Instructions Per Second) at a clock frequency of 20 MHz. It provides superior flashing performance, with a program memory size of 256 bytes and a data memory size of up to 64 bytes. The microcontroller offers two 8-bit parallel ports and one 8-bit serial port, as well as SPI and I2C interfaces, enabling it to connect to a wide array of peripherals and devices. The PIC17C42A-25/L also features a Watchdog Timer, making it easy to reset the device in the event of a system error or fault, and a temperature sensor for measuring changes in temperature.

Packaging

The PIC17C42A-25/L is available in two package styles: 44-pin PLCC (Plastic Leadless Chip Carrier) and 44-pin TQFP (Thin Quad Flat Pack). The PLCC package provides the highest density and lowest power package, while the TQFP package provides higher current density and higher output current.

Applications

The PIC17C42A-25/L is used in a variety of embedded applications, including industrial, automotive, and medical devices. It is suitable for design projects involving motor control, automotive instrumentation and control, video processing, and communications, as well as intelligent sensor systems, LCD-based displays and control systems, and robotics.

Working Principle

The PIC17C42A-25/L is an 8-bit microcontroller, which is capable of executing instructions stored in program memory. It contains an Arithmetic Logic Unit (ALU) and several registers, which are used to store data and control instructions. The ALU is capable of performing arithmetic and logical operations on the data stored in the registers, and the output of the ALU is stored in the registers. The microcontroller also contains several control functions, such as interrupts, that help it to maintain or change the sequence of instruction execution based on certain conditions. The PIC17C42A-25/L also contains several peripheral devices that allow it to communicate with other electronic devices. For example, it can communicate with a keyboard and display through its 8-bit parallel port, or with a modem through its 8-bit serial port. It is also capable of communicating with other microcontrollers or sensors through its SPI and I2C interfaces.

Conclusion

The PIC17C42A-25/L is an 8-bit microcontroller developed by Microchip Technology Inc. It offers low power requirements, a wide array of features, and program memory and data memory sizes of 256 bytes and 64 bytes, respectively. It is suitable for embedded applications such as motor control, automotive instrumentation and control, video processing, communications, intelligent sensor systems, LCD-based displays and control systems, and robotics. Its working principle includes an Arithmetic Logic Unit, registers, control functions, and peripheral devices that allow it to communicate with other electronic devices.

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