LISA-U2 series - System integration manual
UBX-13001118 - R27
Appendix
Page 175 of 183
C1-Public
LISA-U1 series
LISA-U2 series
47
SIM_CLK
SIM clock output
SIM_CLK
SIM clock output
No difference:
3.25 MHz clock frequency for SIM card
48
SIM_IO
SIM data input/output SIM_IO
SIM data input/output No difference:
Internal 4.7 k
Ω
pull-up resistor to VSIM.
49
SIM_RST
SIM reset output
SIM_RST
SIM reset output
No difference:
Reset output for SIM card
50
VSIM
SIM supply output
VSIM
SIM supply output
No difference:
VSIM output = 1.80 V typ. or 2.90 V typ.
51
GPIO5
GPIO
GPIO5
GPIO
Configurable GPIO, 1.8 V typ.
LISA-U1 series:
Output driver strength = 2.5 mA
LISA-U2 series:
Output driver strength = 6 mA
Functions on all LISA-U series:
Pad disabled
Input / Output
SIM card detection (default)
Network Status Indication
GNSS Supply Enable
Functions on LISA-U2 series only:
Module Operating Mode Indication
SIM card hot insertion/removal (+UDCONF)
52
RSVD
RESERVED pin
CODEC_CL
K
LISA-U2 series:
Clock output
LISA-U2 series:
Digital clock output for external audio codec
Output driver strength = 4 mA
53
SPK_P
LISA-U120,
LISA-U130:
Differential analog
audio output (pos.)
LISA-U100,
LISA-U110:
RESERVED pin
I2S1_CLK /
GPIO8
LISA-U2 series:
2
nd
I2S clock
input/output /
GPIO
LISA-U120, LISA-U130:
Differential analog audio output (pos.)
LISA-U2 series:
I2S1_CLK and configurable GPIO, 1.8 V
typ.
Output driver strength = 1 mA
Internal active pull-down = 150 µA
Functions:
I2S1_CLK (default)
Pad disabled
Input / Output
54
SPK_N
LISA-U120,
LISA-U130:
Differential analog
audio output (neg.)
LISA-U100,
LISA-U110:
RESERVED pin
I2S1_WA /
GPIO9
LISA-U2 series:
2
nd
I2S word alignment
input/output /
GPIO
LISA-U120, LISA-U130:
Differential analog audio output (neg.)
LISA-U2 series:
I2S1_WA and configurable GPIO, 1.8 V
typ.
Output driver strength = 1 mA
Internal active pull-down = 150 µA
Functions:
I2S1_WA (default)
Pad disabled
Input / Output