PIC16C621A-20E/P

Program Memory Type:	OTP
Base Part Number:	PIC16C621A
Supplier Device Package:	18-PDIP
Package / Case:	18-DIP (0.300", 7.62mm)
Operating Temperature:	-40°C ~ 125°C (TA)
Oscillator Type:	External
Data Converters:	--
Voltage - Supply (Vcc/Vdd):	2.5 V ~ 5.5 V
RAM Size:	96 x 8
EEPROM Size:	--
Series:	PIC® 16C
Program Memory Size:	1.75KB (1K x 14)
Number of I/O:	13
Peripherals:	Brown-out Detect/Reset, POR, WDT
Connectivity:	--
Speed:	20MHz
Core Size:	8-Bit
Core Processor:	PIC
Part Status:	Obsolete
Packaging:	Tube

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What is the PIC16C621A-20E/P?

The PIC16C621A-20E/P is a mid-range microcontroller manufactured by Microchip Technology. It is an 8-bit family within the PIC16 microcontroller family and is one of the most popular general-purpose microcontrollers used in embedded systems.

Application Field of PIC16C621A-20E/P

The PIC16C621A-20E/P is designed for a variety of applications including automotive, industrial, home appliance, medical and consumer and other embedded systems. It can be used in industrial control systems such as power loaders, machine tool controls, PLCs and CNC machines. It can also be used in safety, security and alarm systems, fuel and environmental monitoring systems, and home automation systems.The PIC16C621A-20E/P has the ability to handle large amounts of data compared to its predecessor. It can store up to 8192 instruction words and 64k-256k bytes of EEPROM. It also has multiple I/O ports and provides a wide range of timer functions, multiple interrupt sources, and a watchdog timer.

Working Principle of PIC16C621A-20E/P

The PIC16C621A-20E/P works by executing instructions from its program memory. Instructions are either fetched from its 16-bit program memory or executed directly from its internal RAM. It has a single 16-bit ALU that takes instructions from its program memory or its RAM and operates on data within the internal RAM.The ALU can be used to carry out a variety of operations such as: arithmetic, logic, and shifting operations; conditional branches; and table lookups. The PIC16C621A-20E/P also has three internal clock sources which allow it to implement flexible timing and synchronization operations.The PIC16C621A-20E/P has four instruction set banks which enable it to execute specialized instruction sets depending on the context of the application. These instructions are optimized for code size, speed and power.The PIC16C621A-20E/P also has numerous other features such as dual-address mode, a number of power saving features, input capture registers, high-speed PWM modules, built-in auto-reset circuitry and up to 128 bytes of EEPROM.

Conclusion

In conclusion, the PIC16C621A-20E/P is an 8-bit microcontroller widely used in various embedded applications. It has various features including 8192 instruction words, 64k-256k bytes of EEPROM, multiple I/O ports, and a wide range of timer functions, multiple interrupt sources, and a watchdog timer. The PIC16C621A-20E/P works by executing instructions from its program memory, and has four instruction set banks which enable it to execute specialized instruction sets depending on the context of the application.

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