TS80C51RA2-LIA

Program Memory Type:	ROMless
Base Part Number:	TS80C51RA2
Supplier Device Package:	40-PDIL
Package / Case:	40-DIP (0.600", 15.24mm)
Operating Temperature:	-40°C ~ 85°C (TA)
Oscillator Type:	Internal
Data Converters:	--
Voltage - Supply (Vcc/Vdd):	2.7 V ~ 5.5 V
RAM Size:	256 x 8
EEPROM Size:	--
Series:	80C
Program Memory Size:	--
Number of I/O:	32
Peripherals:	POR, PWM, WDT
Connectivity:	UART/USART
Speed:	30/20MHz
Core Size:	8-Bit
Core Processor:	80C51
Part Status:	Obsolete
Packaging:	Tube

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Introduction
The TS80C51RA2-LIA is a high-performance 8-bit microcontroller, which is widely used in various kinds of embedded systems, such as industrial control systems, portable medical instruments, and consumer electronics. Its features and functions, including advanced instruction set and on-chip debugging, make it an ideal choice for embedded system designers. The TS80C51RA2-LIA is based on the 8051 microcontroller architecture and enhanced with more powerful features, such as a 32-bit internal memory, dedicated power saving modes, and multiple analog and digital peripheral interfaces.
Features
The TS80C51RA2-LIA chip has a wide range of advanced features. First, it offers 32-bit internal memory with an address-access time of 0.45µs. This provides ample storage for high-performance software applications. Second, a built-in Flash memory of up to 128KB can store the user’s code and data forcing a fast boot up time. Third, the chip also has four 8-bit timer counters and two 16-bit timer counters, which can be used to control external devices. Fourth, it is also equipped with an advance interrupt system, which enables a fast response to external events. Fifth, the on-chip debugging feature allows the user to debug their code and monitor the run-time behavior of the system. Sixth, the on-chip clock generator can support a variety of external frequency clocks, such as low-power internal quartz crystal oscillator, PLL-based clocks, RC oscillator, and external clock sources. Finally, the TS80C51RA2-LIA provides multiple analog and digital peripheral interfaces for connecting external sensors, effectors, peripherals, and memory chips.Application Field
The TS80C51RA2-LIA chip has been widely used in various applications, including industrial control systems, portable medical instruments, consumer electronics, and RFID tag tracking systems. In industrial control systems, the on-chip debugging feature is used to optimize the system’s performance while reducing development and debugging time. In portable medical instruments, the on-chip clock generator can allow the system to operate at different frequencies, enabling high-precision sensing and measurement. In consumer electronics, the on-chip Flash memory can store user code and data, eliminating the need for external memory chip. Finally, in RFID systems, the on-chip Flash memory can store user login credentials, preventing the tag from being misused. Working Principle
The working principle of the TS80C51RA2-LIA is based on the 8051 microcontroller architecture. The chip consists of an 8-bit CPU (Central Processing Unit), ROM (Read Only Memory), RAM (Random Access Memory), and I/O (Input/Output) ports. The CPU controls all the other components of the chip and executes instructions stored in the ROM. The ROM stores the instructions that make up the program, while the RAM contains the data used by the program. I/O ports allow external peripherals to be connected to the chip, enabling it to interact with the outside world. In operation, the CPU fetches instructions from the ROM and executes them. The instructions can either be instructions that change the state of the chip (e.g., RAM read/write instructions) or instructions that perform a calculation (e.g., arithmetic and logic instructions). Once the instructions have been executed, the CPU fetches the next instruction from the ROM and the cycle repeats. If a program needs to use data stored in the RAM, the CPU reads the data from the RAM before executing the instruction. The TS80C51RA2-LIA also has an on-chip debugging feature that allows the user to debug their code and monitor the run-time behavior of the system. This feature allows the user to set breakpoints in the code, allowing them to pause the program and inspect its internal states. This helps the user to identify errors, optimize their code, and fine-tune the system’s performance.Conclusion
The TS80C51RA2-LIA is an advanced 8-bit microcontroller that is widely used in various embedded systems. It is based on the 8051 microcontroller architecture and enhanced with more powerful features, such as a 32-bit internal memory, dedicated power saving modes, and multiple analog and digital peripheral interfaces. These features make it an ideal choice for embedded system designers. Additionally, the TS80C51RA2-LIA also provides an on-chip debugging feature that allows the user to debug their code and monitor the run-time behavior of the system. Thanks to these features, the TS80C51RA2-LIA is a versatile and reliable 8-bit microcontroller.

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