• Welcome to our site! Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.
Resource icon

Basic 8051 Tutorial 6 2015-04-17

Ian Rogers

User Extraordinaire
Forum Supporter
Most Helpful Member
Ian Rogers submitted a new article:

Basic 8051 Tutorial 6 - SPI and I2c

We start with the SPI bus... The main idea behind serial buses is to save on micro-controller pins... SPI requires three pins or more if there are multiple devices.. The serial transfer on an SPI bus is circular.. The inputs and outputs of each buffer are connected and the shift is synchronized.
View attachment 92076

As data is shifted out of the SDO pin of a micro, the data is shifted into the SDI pin of the device...The data in the device is simultaneously shifted back into the micro....
Read more about this article...
 

Latest threads

EE World Online Articles

Loading

 
Top