Keil forum serial port

State Not Answered
Locked Locked
Replies 34 replies
Subscribers 22 subscribers
Views 5205 views
Users 0 members are here

Options

Related

How was your experience today?

This discussion has been locked.

You can no longer post new replies to this discussion. If you have a question you can start a new discussion

serial port

Lalitha Sankh over 15 years ago

HEy we have designed our own 8051 board using 4066 to convert single serial port to 4 port but gives lots of garbage once we power up

Parents

0 harry tom over 15 years ago in reply to edPer Westermark

hey I have tried by placing pullup of 1kohms for TXD and RXD line then I have faced problem downloading not happening and even not able to communicate with any serial devices.
Cancel
Vote up 0 Vote down

Cancel

Reply

0 harry tom over 15 years ago in reply to edPer Westermark

hey I have tried by placing pullup of 1kohms for TXD and RXD line then I have faced problem downloading not happening and even not able to communicate with any serial devices.
Cancel
Vote up 0 Vote down

Cancel

Children

0 Tamir Michael over 15 years ago in reply to harry tom

downloading not happening

What do you mean by that?
Cancel
Vote up 0 Vote down

Cancel
0 harry tom over 15 years ago in reply to Tamir Michael

after adding pullups,I am trying download new .hex file then it is not happening.......
Cancel
Vote up 0 Vote down

Cancel