8051和MSP430之间的区别

先决条件–微控制器(µC)和微处理器(µP)

微控制器是单个集成电路(IC)，可与小型独立计算机相媲美，它旨在执行嵌入式系统的特定任务。 8051和MSP430属于微控制器家族。 8051微控制器和MSP430微控制器在不同的体系结构和不同的指令集，速度，转换，内存，功耗，总线宽度等方面彼此不同。现在，让我们详细了解它们的实际含义以及它们之间的区别彼此。

1. 8051微控制器：
这是一个8位微控制器系列。它是一款入门级微控制器，适用于世界各地的大多数基本应用，并且功耗低且预算低。它是由英特尔于1981年开发的。8051微控制器具有许多功能，例如串行通信，计时器，中断等。该微控制器用于各种设备，主要领域包括汽车，医疗设备和能源管理。如今的8051微控制器似乎有些过时了，但仍建议将其作为开始使用8051微控制器进行微控制器概念研究的最佳平台，尽管这种趋势似乎随着引入8051微控制器而改变了。 AVR社区的Arduino。

2. MSP430微控制器：
它是德州仪器(TI)的16位微控制器系列，于1992年2月14日首次推出。它是最简单的微控制器之一，专为低成本(特别是低功耗嵌入式应用)而设计。它是一个混合信号微控制器，意味着单个IC既具有模拟电路又具有数字电路。 MSP430微控制器基于冯·诺依曼架构。可以使用各种IDE对其进行编程。它比PIC，AVR和其他微控制器要快。

8051和MSP430之间的区别：

S.No.	8051	MSP430
1.	8051 is a 8-bit micro-controller.	MSP430 is a 16-bit micro-controller.
2.	8051 micro-controller had 128 bytes of internal RAM. But modern variants of 8051 have 256 bytes of RAM.	MSP430 micro-controller has 28/256/512 Bytes RAM/SRAM.
3.	8051 ROM size is internally 4KB on chip and it can be extended upto 64KB.	MSP430 ROM size varies 2/4/8/16 KB also offers upto up to 32 KB.
4.	No word instruction in general byte instruction.	Word and byte instructions.
5.	Some special bit instructions for a limited address range.	No bit instruction. Equivalent bit instruction can be obtained by use of a mask.
6.	It can handle only digital signal.	It can handle mixed signals.
7.	Its speed is 12 clock/instruction cycle.	Its speed is 6 clock/instruction cycle.
8.	Its power consumption is average.	Its power consumption is ultra low.
9.	In 8051 micro-controller, no power saving modes.	In MSP430 micro-controller, 5 power saving modes.
10.	Multiplications and MAC operations are done in software in case of 8051 micro-controller.	Hardware multiplier and MAC units in MSP430 micro-controller.
11.	Its families include 8051 variants.	Its families include MSP430X, MSP430FR57xx, MSP430x1xx to x6xx series.
12.	8051 micro-controller cost is very low.	MSP430 micro-controller cost is average.
13.	Popular Micro-controllers AT89C51, P89v51, etc.	Popular Micro-controller MSP430G2553, MSP430 launchpad.
14.	Its manufacturers are NXP, Atmel, Silicon Labs, Dallas, Cyprus, Infineon, etc.	Its manufacturer is Texas Instrument.