PIC18F87J90-I/PT

Embedded - Microcontrollers: PIC18F87J90-I/PT

The PIC18F87J90-I/PT is an advanced 8-bit microcontroller from Microchip, designed for embedded applications. The device is based on a powerful core, with instruction-level parallelism and Harvard architecture and instruction subset that allows high performance and cost-effectiveness. The PIC18F87J90 microcontroller features more than a million bytes of Flash memory, an on-chip 10-bit Analog-to-Digital (A/D) converter, an on-chip 8-bit Digital-to-Analog (D/A) converter, three timers, and a variety of general I/O capabilities.

The PIC18F87J90 microcontroller is ideal for embedded applications requiring high performance, low power consumption, and cost effectiveness. It is ideal for applications such as automotive and consumer electronics, industrial equipment, security, medical, and handheld devices. The device is also ideal for a wide variety of mixed-signal applications, including motor control, data acquisition, and interface designs.

Application Field

The PIC18F87J90-I/PT microcontroller is ideal for a wide variety of embedded applications, including automotive, consumer electronics, industrial equipment, security, medical, and handheld devices. The device is also ideal for a wide variety of mixed-signal applications, including motor control, data acquisition, and interface designs. The device can also execute up to 40 MIPS with a 20 MIPS core speed, making it capable of handling complex systems.

The device offers ample program memory and data retention, with over a million bytes of flash memory. Additionally, the 10-bit A/D converter and 8-bit D/A converter present an excellent platform for signal processing applications. The PIC18F87J90-I/PT microcontroller also features two UARTs, three timers, two comparators, and a PWM generator.

Working Principle

The PIC18F87J90-I/PT microcontroller operates on an 8-bit Harvard architecture, which allows for efficient instruction scheduling and interleaving of instructions. This architecture also enables a rich instruction set, supporting up to 32-bit operations. The device contains 16 General Purpose registers, and 512 KB ROM (Program Memory) and 128 KB RAM (Data Memory).

The device is equipped with a variety of peripheral functions, including the 10-bit A/D converter, 8-bit D/A converter, three timers, and two UARTs. The device also includes several interrupt sources, making it suitable for applications requiring flexible interrupt handling. Additionally, the PIC18F87J90-I/PT microcontroller also supports an external oscillator, making it convenient and cost-effective to use.

The device features several features to enhance system performance, including the Peripheral Pin Select (PPS), which allows peripheral modules to be connected to arbitrary pins, and the RapidControl Module (RCM), which allows code to be executed from internal RAM memory, instead of from Flash memory. The device also features 8-channel Configurable Logic Cells, which provide dynamic behavior that gives users the flexibility to implement logic functions between internal peripherals.

The PIC18F87J90-I/PT microcontroller is designed to be easy to use, and has an efficient instruction set that supports multiple addressing modes and bank switching. Additionally, the device has an accurate and reliable data transfer mechanism, and a versatile software development platform that includes compilers, assemblers, and simulators.