Hi All

My microcontrollers works on 3.3V but I have GSM module that has pins that are using 1.8V.

I am currently using a transistor level convertor as shown.



What is the maximum baud rate that can be achieved?

If I need a much higher data transfer is there more suitable IC?

 

The TI LS0204x level translator operates out to 100MHz in some cases. I can't imagine you'd need data rates higher than it can handle

 

Great, it seems that there is many in stock as well.

Well , the issue is I am trying to get the ESP32 and B95(which will be upgrade to EG-9X) talking. The aim to use EG-9x in the future which has much higher data rate, as I need to send large audio files.. ESP32 does not have native USB port, therefore i need to use high speed UART instead.

If I am correct ESP32 can work up to 2mb before errors?

 

I am not familiar enough with the ESP32 to know the answer to that.