Tagged Questions

1
vote
3answers
505 views

Difference between MISO/MOSI and TxD/ RxD

What is the difference between USART and SPI ? There are [TXD/RXD] for USART and [MISO/MOSI/SCK/SS] for SPI. I know that SPI is a synchronous protocol but USART is hardware. But, what's difference ...
0
votes
1answer
130 views

18f4550 comm clarification and advice

Please excuse my ignorance. I need your advise and clarification on something. I'm using the 18f4550 and I'm a little curious about the communication protocols. I am not using the USB features. It ...
0
votes
1answer
1k views

How to properly connect to a RN-171 Roving Network's WiFly module?

I have this WiFly device and I can't seem to make it work correctly. I've connected both available interfaces (UART and SPI) to my microcontroller (STM32F107). For now, just the UART interface would ...
19
votes
9answers
5k views

Software to create timing diagrams

In my professional life, I sometimes need to create timing diagrams for UART/SPI/etc protocols. However, I cant find any good programs available. Do any of you recommend any programs for this that ...