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

Establishing communication between LPC2138 and ATmega 88

Status
Not open for further replies.
V

vaibhavpawar

Junior Member level 1
Joined
Nov 9, 2014
Messages
19
Helped
0
Reputation
0
Reaction score
0
Trophy points
1
Activity points
178
If LPC2138 is 3.3V supported where as ATmega88 is 5V supported. Can we establish communication between them using I2C protocol.

If yes, then pull up should be tied to 5V or 3.3V? Is there any other special precaution should be considered in this case?

Thank you in advance.
 

Need to check VIH and VOH of both the IC's if it is in acceptable range you can. When considering about I2C you need to connect the pull-up resistor to supply of the slave device.
 
Status
Not open for further replies.

Similar threads

Part and Inventory Search

Welcome to EDABoard.com

Sponsor

Back
Top