I2C, SPI, UART bit-banging

 

 

bit-banging : SPI, UART, I2C등을 전용 모듈이 아닌 펌웨어 코드상에서 구현하여 일반 GPIO 핀으로 해당 통신프로토콜 구현 한것.

 

 

I2C bit-banging 관련 .

 

bit-banging the I2C Master protocol. from wiki

https://en.wikipedia.org/wiki/I%C2%B2C#Example_of_bit-banging_the_I.C2.B2C_Master_protocol

 

 

SPI bit-banging 관련.

 

Software SPI Examples for the C8051F30x Family 

http://www.silabs.com/Support%20Documents/TechnicalDocs/an128.pdf

 

 

UART bit-banging 관련.

 

Software UART Examples

http://www.silabs.com/Support%20Documents/TechnicalDocs/an115.pdf