SIM Tech SIMCom SIM7600E-H-PCIE - USIM Interface

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SIM7600E_SIM7600E-H-PCIE_Hardware_Design_V1.00 20 2017-11-23
4.7 USIM Interface
USIM interface complies with the GSM Phase 1 specification and the new GSM Phase 2+ specification for FAST
64 kbps USIM card. Both 1.8V and 3.0V USIM card are supported. USIM interface is powered from an internal
regulator in the module.
Table 9: USIM Electronic characteristic in 1.8V mode (USIM_VDD =1.8V)
Symbol Parameter Min. Typ. Max. Unit
USIM_VDD LDO power output voltage
1.75 1.8 1.95 V
V
IH
High-level input voltage
0.65*USIM_V
DD
-
USIM_VDD
+0.3
V
V
IL
Low-level input voltage
-0.3 0
0.35*USIM_V
DD
V
V
OH
High-level output voltage
USIM_VDD
-0.45
- USIM_VDD V
V
OL
Low-level output voltage
0 0 0.45 V
Table 10: USIM Electronic characteristic 3.0V mode (USIM_VDD =2.95V)
Symbol Parameter Min. Typ. Max. Unit
USIM_VDD LDO power output voltage
2.75 2.95 3.05 V
V
IH
High-level input voltage
0.65*USIM_V
DD
-
USIM_VDD
+0.3
V
V
IL
Low-level input voltage
-0.3 0
0.25·USIM_V
DD
V
V
OH
High-level output voltage
USIM_VDD
-0.45
- USIM_VDD V
V
OL
Low-level output voltage
0 0 0.45 V
The USIM_DET pin is used for detection of the USIM card hot plug. User can select the 8-pin USIM card
holder to implement USIM card detection function.
USIM_DET has been pulled up to 1.8V inside module;
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