LEXI-R422 - System integration manual
UBX-23007449 - R02
Appendix
Page 103 of 108
C1-Public
SARA-R42 series LEXI-R422 module
No Name
ID
No Name
Remark for migration
30 GND
--
--
--
Several ground pins are available with LEXI-R422 modules
31 ANT_GNSS
--
--
--
No GNSS receiver function supported by LEXI-R422 modules
32 GND
--
--
--
Several ground pins are available with LEXI-R422 modules
33 RSVD
J5 99 RSVD
Same function / characteristics. Provide test point for diagnostic purposes
34 I2S_WA
A10 44 RFCTRL2
Same antenna tuner function / characteristics
35 I2S_TXD
A9 45 RFCTRL1
Same antenna tuner function / characteristics
36 I2S_CLK
--
--
--
No function supported on both SARA-R42 series and LEXI-R422 modules
37 I2S_RXD
--
--
--
No function supported on both SARA-R42 series and LEXI-R422 modules
38 SIM_CLK
K15 31 SIM_CLK
Same clock output for external SIM function / characteristics
39 SIM_IO
J15 32 SIM_IO
Same data input/output for external SIM function / characteristics
40 SIM_RST
L15 30 SIM_RST
Same reset output for external SIM function / characteristics
41 VSIM
H15 33 VSIM
Same supply output for external SIM function / characteristics
42 GPIO5
M15 29 GPIO6
Same GPIO with external SIM detection function / characteristics
43 GND
--
--
--
Several ground pins are available with LEXI-R422 modules
44 ANT_ON
--
--
--
No GNSS receiver function supported by LEXI-R422 modules
45 TIMEPULSE --
--
--
No GNSS receiver function supported by LEXI-R422 modules
46 EXTINT
--
--
--
No GNSS receiver function supported by LEXI-R422 modules
47 TXD_GNSS
--
--
--
No GNSS receiver function supported by LEXI-R422 modules
48 RSVD
--
--
--
Leave unconnected
49 RSVD
--
--
--
Leave unconnected
50 GND
--
--
--
Several ground pins are available with LEXI-R422 modules
51 VCC
A12 42 VCC
Same internal Power Management Unit supply input function / characteristics
52 VCC
A13 41 VCC
Same internal RF Power Amplifiers supply input function / characteristics
53 VCC
A14 40 VCC
Same internal RF Power Amplifiers supply input function / characteristics
54 GND
--
--
--
Several ground pins are available with LEXI-R422 modules
55 GND
--
--
--
Several ground pins are available with LEXI-R422 modules
56 ANT
A3 51 ANT
Same RF input/output for cellular Rx/Tx antenna function / characteristics
57 GND
--
--
--
Several ground pins are available with LEXI-R422 modules
58 GND
--
--
--
Several ground pins are available with LEXI-R422 modules
59 GND
--
--
--
Several ground pins are available with LEXI-R422 modules
60 GND
--
--
--
Several ground pins are available with LEXI-R422 modules
61 GND
--
--
--
Several ground pins are available with LEXI-R422 modules
62 ANT_DET
A5 49 ANT_DET
Same antenna detection function / characteristics
63 GND
--
--
--
Several ground pins are available with LEXI-R422 modules
64 GND
--
--
--
Several ground pins are available with LEXI-R422 modules
65-
96
GND
--
--
--
Several ground pins are available with LEXI-R422 modules
Table 40: Pin assignment of SARA-R42 series and LEXI-R422 modules, with remarks for migration
☞
For more information about SARA-R42 series modules, see the SARA-R4 series data sheet
the SARA-R4 series system integration manual
, and the AT commands manual