Continue to Site

Welcome to EDAboard.com

Welcome to our site! EDAboard.com is an international Electronics Discussion Forum focused on EDA software, circuits, schematics, books, theory, papers, asic, pld, 8051, DSP, Network, RF, Analog Design, PCB, Service Manuals... and a whole lot more! To participate you need to register. Registration is free. Click here to register now.

Register Log in

receive data in at89c51 with rs232

Status
Not open for further replies.
E

electroboy

Member level 5
Joined
Dec 30, 2010
Messages
86
Helped
0
Reputation
0
Reaction score
0
Trophy points
1,286
Activity points
1,879
i want receive data in at89c51 through rs232 db9 cable... i heard that rs232 inverts the signals, that is, positive for logic 0 and negative for logic 1... should i use NOT gate after max 232 to get normal bits back ? please help.. thanks in advance..
 

nope, the max232 will do this for you, you will receive regular uart out of it.
 
No, if you read the datasheet for the MAX232 you will find that it "inverts" the signal.
 
Status
Not open for further replies.

Similar threads

Part and Inventory Search

Welcome to EDABoard.com

Sponsor

Back
Top