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66
USIM1_DET
48
USIM2_VDD
42
USIM2_DATA
44
USIM2_CLK
46
USIM2_RST
40
USIM2_DET
NOTE
1)
This pin is pulled LOW by default, and will be internally pulled up to 1.8 V by software configuration only
when (U)SIM hot-plug is enabled by AT+QSIMDET.
4.1.2. Hot-plug of (U)SIM
The module supports (U)SIM card hot-plug via (U)SIM card hot-plug detection pins (USIM1_DET and
USIM2_DET). (U)SIM card insertion is detected by high/low level. (U)SIM card hot-plug is disabled by
default.
The following command enables (U)SIM card hot-plug function.
AT+QSIMDET (U)SIM Card Detection
Test Command
AT+QSIMDET=?
Read Command
AT+QSIMDET?
Write Command
AT+QSIMDET=<enable>,<insert_level>
Maximum Response Time
RM502Q-GL_Hardware_Design
1)
DI, PU
(U)SIM1 card hot-plug detect
PO
Power supply for (U)SIM2 card
DIO, PU
(U)SIM2 card data
DO, PD
(U)SIM2 card clock
DO, PD
(U)SIM2 card reset
1)
DI, PU
(U)SIM2 card hot-plug detection.
Response
+QSIMDET:
supported <insert_level>s)
OK
Response
+QSIMDET: <enable>,<insert_level>
OK
Response
OK
If there is any error:
ERROR
300 ms
RM502Q-GL Hardware Design
1.8/3.0 V
USIM2_VDD
1.8/3.0 V
USIM2_VDD
1.8/3.0 V
USIM2_VDD
1.8/3.0 V
(list
of
supported
5G Module Series
<enable>s),(list
of
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