(1) AMB0010 uses 'Carrier_+1V8' rail to supply IO banks of module but TE0955 has XPIO Bank which only allow VIO < 1.5V. Following two changes are needed:
Change R29 to 12.4K Ohm → Results in VIO_W01 = 1.35V
Change R10 to 100K → after change above pulldown is to strong and pulls PG signal below 1.2 V. With 100KOhm PG 'high' is calculated to be 1.28V which is OK.
(2) Connect TE0790 on JB1 via interposing header were pin 3 and 7 are removed → UART is not connected
(3) Connect UART at J8 only RX and TX pin via flywire to UART converter (e.g. TE0790) and supply VIO + GND of UART converter from external power supply @1.8V.