AT89LP51RB2-20PU

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Embedded systems are complex devices that have been tailor-made to perform specific tasks. Commonly, they are based on microcontrollers. The Atmel AT89LP51RB2-20PU is one such microcontroller designed for basic applications. It is a low-cost 8-bit single-chip microcontroller that offers versatility, low power consumption and a wide range of features and peripherals.

The AT89LP51RB2-20PU has significant features that make it an ideal embedded system to process basic functions such as motor control, data logging, remote control, industrial automation, and many more. It has a fast CPU and a number of I/O peripherals, embedded flash memory, and an array of system functions.

In terms of its memory setup, the AT89LP51RB2-20PU comes with an 8-Kbyte embedded flash, an 8-bit wide program memory. The 8K byte is organized as 8K words (16-bits each). In addition, the chip also has 128-byte RAM and 128-byte EEPROM.

The AT89LP51RB2-20PU also utilizes a reduced instruction set architecture that supports the majority of standard 8051 instructions. It supports interrupts, timers, serial interfaces, input/output ports, and a programmable I/O controller.

The 80C51 architecture of the AT89LP51RB2-20PU features four 8-bit bi-directional I/O ports (P0-P3). The chip also has two 16-bit timers and a serial port. The timers can be used for counting, timing and pulse width modulation functions. The serial port can send data through the 8051\'s serial interface or through an external serial port.

In addition, the AT89LP51RB2-20PU features a direct memory access (DMA) controller. This controller allows a program to access memory without the occurance of bus delays. This enables the data transfer to occur more quickly than with traditional memory access techniques.

When working with the AT89LP51RB2-20PU, its operating voltage is either 5V or 3V. The power consumption is also relatively low. In active mode, the chip consumes an average of 120 mA. For idle mode, its power consumption is reduced to a mere 14 mA.

The AT89LP51RB2-20PU is a versatile microcontroller and is ideal for simple applications. It\'s easy to program, has a low power consumption, and a wide range of features and peripherals. It utilizes a reduced instruction set architecture that supports the standard 8051 instructions, embedded flash memory, and DMA controller for fast data operations. As a result, the AT89LP51RB2-20PU is a suitable choice for motor control, data logging, remote control, and many other applications.

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