In the application, the DE and /RE pin are usually connected together controlled by MCU IO pin. However, when system is in the noisy environment, it would lead to the DE and /RE pin single are opposite as below table. If this is a case, what is the state? Thanks.
DE |
RE |
state |
0 |
0 |
Receive |
1 |
1 |
Transmit |
0 |
1 |
? |
1 |
0 |
? |