Part Number:CC2541
Hi. Does anyone have any factual information on whether the i2c pins on the 2541 have tolerance beyond Vdd + 0.3 volts? I'm thinking that since they are open drain, there may not be any internal path from the pin to Vdd. I need to modify an existing 2541 product which operates at 3.0 volts. The module I am planning to communicate with has the pull-up resistors, and runs on 3.3 volts. It is therefore possible that the voltage difference could exceed 0.3 volts due to regulator tolerances. Thanks.