PIC18LF6621T-I/PT

Program Memory Type:	FLASH
Base Part Number:	PIC18LF6621
Supplier Device Package:	64-TQFP (10x10)
Package / Case:	64-TQFP
Operating Temperature:	-40°C ~ 85°C (TA)
Oscillator Type:	External
Data Converters:	A/D 12x10b
Voltage - Supply (Vcc/Vdd):	2 V ~ 5.5 V
RAM Size:	3.8K x 8
EEPROM Size:	1K x 8
Series:	PIC® 18F
Program Memory Size:	64KB (32K x 16)
Number of I/O:	53
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Part Status:	Obsolete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:	Tape & Reel (TR)

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Embedded - Microcontrollers: PIC18LF6621T-I/PT Application Field and Working Principle

The PIC18LF6621T-I/PT is a general-purpose 8-bit microcontroller manufactured by Microchip Technology, Inc. The microcontroller features an integrated 16-bit arithmetic logic unit (ALU) and on-chip peripherals including timers, analog-to-digital converters, and serial communication subsystems.The PIC18LF6621T I/PT is designed for use in a range of embedded applications including industrial control, automotive, consumer and communications. It is also capable of low-power execution and has a low power consumption design, making it highly suitable for battery-backed devices.The PIC18LF6621T I/PT has a typical operating frequency range of 4-20 MHz and is available in a range of packages and pin-out configurations. As a member of the PIC18 family PIC18F6621T, the microcontroller provides a feature-rich architecture and high performance operating at over 20 MIPS (20 million instructions per second).The PIC18F6621T I/PT combines an enhanced RISC CPU core with a wide selection of integrated peripherals, enabling it to perform its functions with minimal system overhead. The architectural features of the microcontroller include an 8-bit data bus, a 5-stage pipeline, an 8-level stack, a multi-channel buffered interrupt controller, and a wide range of parallel and serial I/O ports.The internal architecture of the PIC18F6621T I/PT is divided into two components: the Core and the Peripherals. The Core is the heart of the microcontroller, and its main tasks are to execute instructions from the program memory, control the peripherals, and manage the data paths. The Peripherals are the integrated peripherals of the microcontroller, and include Timers, Serial I/O Ports, Analogue I/O ports, and Interrupt Controllers.The main principle of operation of the PIC18F6621T I/PT is based on interrupt-driven computing. Interrupts are triggered by external or internal events and the microcontroller responds by calling the relevant interrupt service routine, or ISR. ISRs can be used to service peripheral devices, perform housekeeping tasks, perform time-intensive operations, and move data between peripherals.The PIC18F6621T I/PT provides a set of internal hardware features that allow it to:• Interface easily with a variety of external peripherals• Execute instructions at high speeds while using low power• Perform digitally-controlled analogue functions• Accept multiple sources of interrupts• Support memory-mapped I/O• Execute instructions in multi-cycle mode• Handle time-critical tasks with minimal impact on the system overheadIn addition to its core features, the PIC18F6621T I/PT is capable of executing instructions from Flash memory, SRAM, and EEPROM. It is also equipped with a range of digital signal processing (DSP) instructions, enabling it to carry out complex calculation tasks and signal analysis.The PIC18LF6621T I/PT is a fully-featured, low-power microcontroller, making it ideal for a wide range of embedded applications. Its versatile architecture, high performance, and extensive range of features allows it to handle a wide range of tasks with minimal system overhead. The microcontroller is suitable for use in a range of environments including industrial control, automotive, consumer and communications.

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