P87LPC764FN,112

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Overview of P87LPC764FN,112
The P87LPC764FN,112 is a series of 8-bit microcontrollers produced and marketed by NXP Semiconductors with integrated flash memory and on-chip RAM. It is part of the family of AVR microcontroller chips, a group developed by Atmel Corporation and now owned by NXP Semiconductors. The P87LPC764FN,112 is a limited version of the P87LPC76x series, having a reduced clock speed and peripheral support. The total instruction set is however identical.

Application Field
The P87LPC764FN,112 is well-suited to a myriad of embedded applications that require a low-power, cost-effective solution. It is primarily used in computing and communication applications such as personal digital assistants (PDAs), cell phones, and home control systems. It is also commonly employed in hobby electronics projects and in embedded control applications needing small, rapid response controllers.

Integrated Features
The P87LPC764FN,112 is equipped with several integrated features such as 8-bit Central Processing Units (CPUs), memory, peripheral interfaces, and a range of sensors. It has three 8-bit CPUs with 2-bie operations and a 6-bit instruction set. It also offers 12 single input/output ports, a programmable parallel I/O port, two UARTs, four timer/counters, a precision oscillator, and a Watchdog timer.

Working Principle
The P87LPC764FN,112 is an 8-bit RISC microcontroller with a direct addressing mode and a 3-stage instruction pipelining mechanism. Its main components are program memory, RAM, and Special Function Registers (SFRs). The program memory is organized into 4K words of 8-bits with a 13-bit program counter (PC). The SFRs contain memory locations for status and control bits. The RAM has 768 bytes of inner RAM for I/O and screen memory.

Interfacing and Programming
The P87LPC764FN,112 supports In-System Programming (ISP) and In-Circuit Debugging (ICD) to enable development, debug and programming of the microcontrollers from within the users own development systems. It can be interfaced with other peripherals or other microcontrollers using a 4-wire serial interface or an analog Peripheral Interface Adapter (PIA). It also supports various forms of external memory interface as well as Digital-to-Analog and Analog-to-Digital converters.

Conclusion
The P87LPC764FN,112 is an 8-bit microcontroller suitable for embedded applications such as PDAs, cell phones, home control systems, and hobby electronics projects. It is equipped with three 8-bit CPUs with 2-bie operations and a 6-bit instruction set, along with other integrated features that make it a powerful and reliable solution. The P87LPC764FN,112 can be programmed and debugged using a 4-wire serial interface or an analog peripheral interface adapter, as well as other memory interfaces. It is a cost-effective and low-power solution for embedded control applications requiring small, rapid response controllers.

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