P87C52SBPN,112

Series:	87C
Packaging:	Tube
Part Status:	Obsolete
Core Processor:	8051
Core Size:	8-Bit
Speed:	16MHz
Connectivity:	EBI/EMI, UART/USART
Peripherals:	POR
Number of I/O:	32
Program Memory Size:	8KB (8K x 8)
Program Memory Type:	OTP
EEPROM Size:	--
RAM Size:	256 x 8
Voltage - Supply (Vcc/Vdd):	2.7 V ~ 5.5 V
Data Converters:	--
Oscillator Type:	Internal
Operating Temperature:	0°C ~ 70°C (TA)
Package / Case:	40-DIP (0.600", 15.24mm)
Supplier Device Package:	40-DIP
Base Part Number:	P87C52

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Embedded – Microcontrollers: P87C52SBPN, 112 Application Field and Working Principle

Microcontrollers are general purpose integrated circuits (IC) that are internally integrated with configurable logical and arithmetic devices. A microcontroller, like the P87C52SBPN,112, is a low-cost, low pin-count device which is suitable for embedded applications and allows a wide range of system performance design, implementation, maintenance and operation.It is a 8-bit microcontroller and it is part of the highly successful 8051 family of microcontrollers produced by Phillips Semiconductor. P87C52SBPN,112 is a good choice for applications that requires tight control over power consumption as it only requires a very small low voltage power supply. Its limited capacity makes it ideal for low-cost and small-scale designs. The P87C52SBPN,112 has a wide range of applications, including controlling motors, activation of valves, monitoring environmental parameters such as temperature, and implementing power management systems. It is also capable of handling highly advanced aircraft and automotive applications.This microcontroller incorporates several features that make it a powerful and reliable tool for various embedded applications. It has advanced features to enhance memory and data protection, enabling secure and reliable operation in hazardous applications. It also has a Multiple Clock domains that can be used to control device communication timing, thereby improving control accuracy and system performance. It also has a multifunctional FPU (Floating Point Unit) that facilitates data processing capabilities.The P87C52SBPN,112 has a built-in flash memory, a large on-chip RAM, and a configurable timer. The Flash memory stores user programs and the RAM is used to store data and instructions. The configurable timer is used to time interval measurement, multitasking and/or timing control of processes. The working principle of the P87C52SBPN,112 is based on its internal architecture, which consists of three main sections, namely the Central Processing Unit (CPU), the bus unit, and the memory unit. The CPU is responsible for executing instructions from an instruction set, while the bus unit handles communication with other internal components and external devices. The memory unit is used for data storage, program execution and for the program stack.The CPU processes external and internal memory access requests, handles interrupt signals and generates the necessary timing for the system. The CPU uses an instruction pointer to keep track of the program counter, which is used to point to the current position within the program.The bus unit is responsible for data flow from the memory unit to the CPU, as well as from the peripherals. It is also responsible for the addressing of external memory locations and the generation of interrupts. The bus unit is the bridge between the CPU and the external components and devices. The memory unit is composed of both the program memory, which stores the program code, and the data memory, which stores the data and variables. The memory unit also contains a program stack, which is used to keep track of the sequence of subroutines that have been called in the program.Using these core components, the P87C52SBPN,112 is able to perform its main purpose, which is to execute instructions in a predetermined sequence in order to control a system or process. It is easy-to-use and efficient, making it a dependable choice for embedded applications.

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