LISA-U2 series - System integration manual
UBX-13001118 - R27
Appendix
Page 172 of 183
C1-Public
LISA-U1 series
LISA-U2 series
19
PWR_ON
Power-on input
PWR_ON
Power-on input
PWR_ON switch-on low pulse time difference:
LISA-U1 series:
L-level pulse time = 5 ms min
LISA-U2 series:
L-level pulse time = 50 µs min / 80 µs max
PWR_ON switch-off low pulse time difference:
LISA-U1 series:
Switch-off by PWR_ON not supported
LISA-U2 series:
L-level pulse time = 1 s min
PWR_ON operating voltage difference:
LISA-U1 series:
L-level input = -0.30 V min / 0.65 V max
H-level input = 2.00 V min / 4.20 V max
External pull-up (e.g. to V_BCKP) required
LISA-U2 series:
L-level input = -0.30 V min / 0.65 V max
H-level input = 1.50 V min / 4.40 V max
External pull-up (e.g. to V_BCKP) required
20
GPIO1
GPIO
GPIO1
GPIO
Configurable GPIO, 1.8 V typ.
LISA-U1 series:
Output driver strength = 1 mA
LISA-U2 series:
Output driver strength = 6 mA
Functions on all LISA-U series:
Pad disabled (default)
Input / Output
Network Status Indication
GNSS Supply Enable
GSM Tx Burst Indication
Function on LISA-U2 series:
Module Status Indication
21
GPIO2
GPIO
GPIO2
GPIO
Configurable GPIO, 1.8 V typ.
LISA-U1 series:
Output driver strength = 1 mA
LISA-U2 series:
Output driver strength = 1 mA
Functions on all LISA-U series:
Pad disabled
Input / Output
Network Status Indication
GNSS Supply Enable (default)