Microchip PIC16F887-I/PT: An 8-Bit Microcontroller for Embedded Control Applications
The Microchip PIC16F887-I/PT stands as a robust and versatile solution in the realm of 8-bit microcontrollers, engineered specifically for a wide array of embedded control applications. As a member of Microchip's extensive PIC® (Peripheral Interface Controller) family, this device combines a powerful core with a rich set of integrated peripherals, making it an ideal choice for designers seeking a balance of performance, power efficiency, and cost-effectiveness.
At its heart, the PIC16F887 utilizes an enhanced mid-range core with a 14-bit wide instruction set, which offers an optimized blend of simplicity and code efficiency. Operating at a maximum frequency of 20 MHz, it achieves a performance level of up to 5 MIPS (Million Instructions Per Second), providing ample processing power for complex control algorithms and real-time responses in applications such as industrial automation, consumer electronics, and automotive subsystems.
A key strength of this microcontroller lies in its substantial memory configuration. It is equipped with 14 KB of Flash program memory, which allows for storing sophisticated application code and facilitates easy field updates. Additionally, it boasts 368 bytes of RAM for data handling and 256 bytes of EEPROM memory, crucial for storing critical parameters that must be retained even after a power cycle, enhancing the reliability of end products.
The peripheral integration of the PIC16F887-I/PT is exceptionally comprehensive, designed to minimize external component count and reduce total system cost. Its feature set includes:
Analog Capabilities: A 10-bit Analog-to-Digital Converter (ADC) with up to 14 channels enables precise measurement of multiple analog sensors and signals.
Timing and Control: Multiple timers/counters (including Watchdog Timer and Power-on Reset) ensure accurate event management and system stability.
Communication Interfaces: It supports essential serial communication protocols like MSSP (Master Synchronous Serial Port) for I²C and SPI, and a USART (Universal Synchronous Asynchronous Receiver Transmitter) module, allowing seamless connectivity with peripherals like sensors, memory chips, and other controllers.
Enhanced Capture/Compare/PWM (ECCP): This module is vital for advanced motor control and power management applications, providing precise control over pulse-width modulated signals.
Housed in a 44-pin TQFP (Thin Quad Flat Pack) package, the PIC16F887-I/PT offers a high number of I/O pins (36) for interfacing with the external world. Its wide operating voltage range (2.0V to 5.5V) and nanoWatt XLP (eXtreme Low Power) technology make it exceptionally suited for battery-powered and power-sensitive portable devices, ensuring extended operational life.
In summary, the PIC16F887-I/PT is a highly integrated and reliable workhorse for embedded designers. Its blend of processing power, ample memory, and a rich peripheral set empowers the creation of sophisticated, efficient, and responsive control systems across diverse market segments.
ICGOODFIND: The PIC16F887-I/PT is a top-tier choice for developers, offering an optimal mix of performance, peripheral integration, and low-power operation in a compact package, making it a cornerstone for countless embedded control designs.
Keywords: 8-Bit Microcontroller, Embedded Control, Peripheral Integration, Low-Power Operation, PIC16F887.
