Hi everyone,
I used the translator to interface a SIMCOM module with 1.8 V voltage levels to a 3.3 V microcontroller, Following the indications of the SIMCOM datasheet.
There is a 35.800 Mhz oscillation frequency which does not allow operation.
I unplugged the 3.3V processor and connected a USB / 3.3V converter, also in this case, the oscillation is present.
I don't know how to solve, can you give me some indication?
Thanks in advance.
