Data Sheet

INTERFACES
USIM INTERFACES
12 PROPRIETARY GM02S DATASHEET (PRELIMINARY)
SEQUANS Communications
2.5 USIM Interfaces
2.5.1 SIM0 Interface
This is the main external SIM interface. It can be used with removable or
non-removable SIM cards or with soldered SIM chips. The power supply of
the SIM is managed by the modem to ensure lowest power consumption of
the SIM.
Table 2-6: SIM0 Signals
Pad #
Pad
Name
Primary
Function
Power Group
Direction
Pad type
1
State
@reset
Comment
42 SIM0_CLK SIM0_CLK PVDD_1V8 Out BIDIR Out-0, 2mA Main SIM
45
SIM0_DETECT
2
SIM0_DETECT PMU_5V In IN HighZ Main SIM
44 SIM0_IO SIM0_IO PVDD_1V8 In/Out BIDIR HighZ, 2mA Main SIM
43 SIM0_RSTN SIM0_RSTN PVDD_1V8 Out BIDIR Out-0, 2mA Main SIM
73
SIM0_VCC
3
SIM0_VCC PVDD_1V8 Out Supply Out-0, 2mA Main SIM
1.USIM pad types’s electrical characteristics are detailed in Table 2-15.
2. SIM0_DETECT can be configured as a WAKE pin via software command.
3. See range of values in Table 2-2.