Data Sheet

Datasheet [Page 22]
EMB1082
Figure 12 External Interface Circuit of EMB1082
Voltage of EMB1082 UART is 3.3V. 5V UART should convert to 3.3V UART for the users that have 5V
chips. Convert circuit is shown in figure 14.
Figure 13 3.3V UART- 5V UART Convert Circuit