LISA-U2 series - System integration manual
UBX-13001118 - R27
Appendix
Page 174 of 183
C1-Public
LISA-U1 series
LISA-U2 series
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
I2S Tx data output /
GPIO
LISA-U120, LISA-U130:
Differential analog audio input (pos.)
LISA-U2 series:
I2S1_TXD and configurable GPIO, 1.8 V
typ.
Output driver strength = 1 mA
Functions:
I2S1_TXD (default)
Pad disabled
Input / Output
41
I2S_WA
LISA-U120,
LISA-U130:
I2S word alignment
LISA-U100,
LISA-U110:
RESERVED pin
I2S_WA
LISA-U2 series:
1
st
I2S word alignment
input/output
I2S_WA, 1.8 V typ.
LISA-U120, LISA-U130:
Output driver strength = 2.5 mA
Internal active pull-down = 100 µA
LISA-U2 series:
Output driver strength = 2 mA
Internal active pull-down = 200 µA
42
I2S_TXD
LISA-U120,
LISA-U130:
I2S Tx data output
LISA-U100,
LISA-U110:
RESERVED pin
I2S_TXD
LISA-U2 series:
1
st
I2S Tx data output
I2S_TXD, 1.8 V typ.
LISA-U120, LISA-U130:
Output driver strength = 2.5 mA
LISA-U2 series:
Output driver strength = 2 mA
43
I2S_CLK
LISA-U120,
LISA-U130:
I2S clock
LISA-U100,
LISA-U110:
RESERVED pin
I2S_CLK
LISA-U2 series:
1
st
I2S clock
input/output
I2S_CLK, 1.8 V typ.
LISA-U120, LISA-U130:
Output driver strength = 2.5 mA
Internal active pull-down = 100 µA
LISA-U2 series:
Output driver strength = 2 mA
Internal active pull-down = 200 µA
44
I2S_RXD
LISA-U120,
LISA-U130:
I2S Rx data input
LISA-U100,
LISA-U110:
RESERVED pin
I2S_RXD
LISA-U2 series:
1
st
I2S Rx data input
I2S_RXD, 1.8 V typ.
LISA-U120, LISA-U130:
Output driver strength = 2.5 mA
Internal active pull-down = 100 µA
LISA-U2 series:
Output driver strength = 2 mA
Internal active pull-down = 200 µA
45
SCL
I2C bus clock line
output
SCL
I2C bus clock line
output
LISA-U1 series:
I2C SCL for GNSS, 1.8 V typ.
Fixed open drain
External pull-up (e.g. to V_INT) required
LISA-U2 series:
I2C SCL for GNSS and other I2C devices,
1.8 V typ.
Fixed open drain
External pull-up (e.g. to V_INT) required
46
SDA
I2C bus data line
input/output
SDA
I2C bus data line
input/output
LISA-U1 series:
I2C SDA for GNSS, 1.8 V typ.
Fixed open drain
External pull-up (e.g. to V_INT) required
LISA-U2 series:
I2C SDA for GNSS and other I2C devices,
1.8 V typ
Fixed open drain
External pull-up (e.g. to V_INT) required