Installation Instructions

LISA-U2 series - System Integration Manual
UBX-13001118 - R19 Early Production Information Appendix
Page 166 of 175
LISA-U1 series
LISA-U2 series
No
Name
Description
Name
Description
Remarks for Migration
23
GPIO3
GPIO
GPIO3
GPIO
Configurable GPIO, 1.8V typ.
 LISA-U1 series:
o Output driver strength = 4 mA
 LISA-U2 series:
o Output driver strength = 6 mA
Functions on all LISA-U series:
o Pad disabled
o Input / Output
o Network Status Indication
o GNSS Supply Enable
o GNSS Data Ready (default)
24
GPIO4
GPIO
GPIO4
GPIO
Configurable GPIO, 1.8V typ.
 LISA-U1 series:
o Output driver strength = 4 mA
 LISA-U2 series:
o Output driver strength = 6 mA
Functions on all LISA-U series:
o Pad disabled
o Input / Output
o Network Status Indication
o GNSS Supply Enable
o GNSS RTC Sharing (default)
25
GND
Ground
GND
Ground
26
USB_D-
USB Data Line D-
input/output
USB_D-
USB Data Line D-
input/output
No difference
27
USB_D+
USB Data Line D+
input/output
USB_D+
USB Data Line D+
input/output
No difference
28
...
38
GND
Ground
GND
Ground
39
MIC_N
LISA-U120,
LISA-U130:
Differential analog
audio input (neg.)
LISA-U100,
LISA-U110:
RESERVED pin
I2S1_RXD /
GPIO6
LISA-U2 series,
2
nd
I
2
S Rx data input /
GPIO
LISA-U120, LISA-U130:
 Differential analog audio input (neg.)
LISA-U2 series:
 I2S1_RXD and configurable GPIO, 1.8V typ.
o Output driver strength = 1 mA
o Internal active pull-down = 150 µA
 Functions:
o I2S1_RXD (default)
o Pad disabled
o Input / Output
40
MIC_P
LISA-U120,
LISA-U130:
Differential analog
audio input (pos.)
LISA-U100,
LISA-U110:
RESERVED pin
I2S1_TXD /
GPIO7
LISA-U2 series:
2
nd
I
2
S Tx data output
/
GPIO
LISA-U120, LISA-U130:
 Differential analog audio input (pos.)
LISA-U2 series:
 I2S1_TXD and configurable GPIO, 1.8V typ.
o Output driver strength = 1 mA
 Functions:
o I2S1_TXD (default)
o Pad disabled
o Input / Output
41
I2S_WA
LISA-U120,
LISA-U130:
I
2
S word alignment
LISA-U100,
LISA-U110:
RESERVED pin
I2S_WA
LISA-U2 series:
1
st
I
2
S word
alignment
input/output
I2S_WA, 1.8V typ.
 LISA-U120, LISA-U130:
o Output driver strength = 2.5 mA
o Internal active pull-down = 100 µA
 LISA-U2 series:
o Output driver strength = 2 mA
o Internal active pull-down = 200 µA