PIC17C42A-33/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:	33MHz
Core Size:	8-Bit
Core Processor:	PIC
Part Status:	Active
Packaging:	Tube

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Introduction

The PIC17C42A-33/L is a highly integrated 8-bit microcontroller from the PIC17 family of devices by Microchip Technology. It is the latest in a range of powerful embedded microcontrollers. It is designed for a wide variety of applications ranging from consumer, industrial, automotive and military markets.

Overview

The PIC17C42A-33/L is an 8-bit device with an extended instruction set and a 7-stage pipeline. It is capable of executing up to 12 million instructions per second (MIPS) with a maximum clock frequency of 40MHz. The device contains a 1KB RAM with 10-bits of resolution and a 4KBEEPROM program memory, which is divided into three banks; the GPR-Bank, the IRAM-Bank and the EPROM-Bank.The device has a total of 13 general purpose IO pins, four 16-bit Timers/Counters, four Capture/Compare Registers (CCR), three Compare/PWM Outputs, an 8-bit ADC, a 2-wire serial interface, an SPI interface, a CAN (Controller Area Network) interface, an SIO (synchronous serial interface) interface, and an RTC (Real-Time Clock).

Application Fields

The PIC17C42A-33/L microcontroller is used in a wide variety of applications, including:- Automotive Engine Management: The device can be used to control and monitor engine systems, such as spark timing, fuel injection, and exhaust emissions.- Industrial Process Control: The device can be used to control and monitor various processes, such as temperature control and monitoring, pH monitoring, and fluid dynamics.- Consumer Electronics: The device can be used in consumer electronic devices, such as television sets, washing machines, and toasters.- Military Applications: The device can be used in military applications, such as missile guidance, communications, and navigation.

Working Principle

The PIC17C42A-33/L microcontroller is based on a flexibility architecture where each instruction is executed in several stages, allowing instructions to be executed in any order.In general, instructions are executed by fetching them from the program memory, decoding them, executing them, and storing the results. The execution of each instruction begins with a fetch cycle, where the instruction is loaded from the program memory into an instruction register.The instruction is then decoded by the instruction decoder, which translates the instruction into a sequence of commands for the control unit. The execution phase begins when the control unit executes the instruction by sending control signals to the various functional units, such as the Arithmetic and Logic Unit (ALU), the I/O ports, and the Timers/Counters. The results of the execution are then stored in the appropriate registers.

Conclusion

The PIC17C42A-33/L is a powerful 8-bit microcontroller from the PIC17 family of devices. It is highly flexible, allowing for a wide range of applications. The device features a 1KB RAM, a 4KBEEPROM program memory, 13 general purpose IO pins, four 16-bit Timers/Counters, four Capture/Compare Registers, three Compare/PWM Outputs, an 8-bit ADC, a 2-wire serial interface, an SPI interface, a CAN (Controller Area Network) interface, an SIO (synchronous serial interface) interface, and an RTC (Real-Time Clock). The PIC17C42A-33/L microcontroller is ideal for a wide variety of applications in the automotive, industrial, consumer and military markets.

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