PIC16F1454-E/SL

Program Memory Type:	FLASH
Base Part Number:	PIC16F1454
Supplier Device Package:	14-SOIC
Package / Case:	14-SOIC (0.154", 3.90mm Width)
Operating Temperature:	-40°C ~ 125°C (TA)
Oscillator Type:	Internal
Data Converters:	--
Voltage - Supply (Vcc/Vdd):	2.3 V ~ 5.5 V
RAM Size:	1K x 8
EEPROM Size:	--
Series:	PIC® XLP™ 16F
Program Memory Size:	14KB (8K x 14)
Number of I/O:	8
Peripherals:	Brown-out Detect/Reset, POR, PWM, WDT
Connectivity:	I²C, LINbus, SPI, UART/USART, USB
Speed:	48MHz
Core Size:	8-Bit
Core Processor:	PIC
Part Status:	Active
Packaging:	Tube

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Application Field and Working Principle of PIC16F1454-E/SL

Introduction

PIC16F1454-E/SL is a family of low-power, 8-bit microcontrollers (MCUs) with enhanced core features. The core features include an 8-bit central processing unit (CPU), a high-speed analogue comparator module, several general-purpose timers, a programmable switch matrix, and parallel I/O ports. In addition, PIC16F1454-E/SL devices can be designed to provide various analog functions such as 12-bit analog-to-digital conversion, 10-bit pulse width modulation (PWM), and analog comparators.The PIC16F1454-E/SL devices are powerful, versatile, low-power MCUs for embedded applications in the industrial, medical, automotive, and consumer markets. These MCUs are designed for product design, cost reduction, and reliable, long-term commitment by providing a wide range of product development and design flexibility. Furthermore, PIC16F1454-E/SL microcontrollers are suitable for applications where low power consumption and flexibility are very important.

Application Field

PIC16F1454-E/SL MCUs are ideal for a variety of applications such as automotive, industrial, communications, consumer, and medical. Automotive applications use PIC16F1454-E/SL MCUs for brake and powertrain systems, infotainment systems, driver assistance, communications, and safety control. Industrial applications include precision measurement, motor control, and industrial automation. Communications applications include communications infrastructure, base station control, digital home, and smart grid. Consumer applications include building automation, MP3 player and other consumer electronics. Medical applications include blood pressure monitors, blood glucose monitors, ECG monitoring, and other medical devices.

Working Principle

PIC16F1454-E/SL MCUs are based on the RISC architecture where instructions are executed from a single 32 instruction length word. The CPU efficiently handles data and program memory demands with the following memory modules: program memory, data memory, register file, and stack buffer. The data memory is comprised of two types: static RAM (SRAM) and EEPROM. The EEPROM memory is used to store user settings and is not cleared after a device reset. The SRAM memory is initially cleared after a reset and can be used for data and variable storage.The program memory is used to store the user program or program code, and it operates in either one-word or two-word addressing. This means that one word of program memory can store two bytes of program code, which allows for faster execution of program code. The two-word addressing mode is enabled with the SLEEP instruction and allows for up to four bytes of program code.The registers are used to store internal data and can be setup as either an 8-bit or 16-bit register. The core has an 8-bit wide instruction decode which allows for a larger overall size of the program. The core also includes CPU status bits which can be used to determine the type of operation being performed. The CPU includes an efficient set of functions for arithmetic and logic operations. These functions include add, subtract, compare, exchange, rotate, AND, OR, XOR, shift, increment, decrement, test, and jump instructions.Linear execution along with the single-word length instruction helps to achieve strong execution. This allows for faster calculation speed and C compiler optimization. The combination of instruction simplification and the RISC architecture results in the highest performance for any 8-bit MCU within a low-power format. The 12-bit analog-to-digital conversion (ADC) module provides an 8/10/12-bit resolution; 1/8/10/12-bit data format; set-point control; synchronous and asynchronous conversion; and up to four channels for analog signal conversion. The 10-bit PWM module provides a selection of frequency and resolution, depending on the application. It supports pulse mode and compare mode, and includes a four-bit prescaler.The PIC16F1454-E/SL MCU features a programmable switch matrix which provides quick and easy connections to up to 16 internal resources. This provides a low-cost, efficient solution to reduce static power consumption when using multiplexers, which would increase board space significantly. The PIC16F1454-E/SL also includes multiple analog comparators which are used to monitor analog signals and provide status information. Two- and four-word selectable hysteresis is available for analog comparator inputs for noise immunity. A low-power-down mode is supported which allows for faster wake-up from sleep mode. The Wake-up from Sleep on Change feature provides an effective solution for monitoring external signals when the MCU is in low-power sleep mode.

Conclusion

PIC16F1454-E/SL microcontrollers are high-performance, low-power MCUs suitable for a variety of embedded and automotive applications. They feature a RISC architecture, 8-bit CPU and enhanced core features, allowing for effective power management and excellent real-time response. In addition, these MCUs also include an analogue comparator module, switch matrix, several general-purpose timers, and parallel I/O ports. With its memory modules, register files, and efficient functions for arithmetic and logic operations, PIC16F1454-E/SL MCUs are an excellent choice for embedded, automotive, industrial, medical, and consumer applications.

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