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FIBOCOM MC610 Series Hardware Guide
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3.5 USIM Interface
MC610 series modules support USIM interfaces, 1.8 V and 3.0 V SIM cards.
3.5.1 USIM Pins
USIM pins are shown in the following table:
Table 3-10 USIM pins
Pin Name
I/O
Pin
Description
SIM1_SIO
I/O
23
USIM/SIM1DATA
SIM1_CLK
O
24
USIM/SIM1 Clock Signal
SIM1_RST
O
25
USIM/SIM1 RESET Signal
VSIM1
PO
26
USIM/SIM1Power
SIM1_DET
I
27
Detect USIM/SIM card for Hot-swap
SIM2_SIO
I/O
15
USIM/SIM2 DATA
SIM2_CLK
O
16
USIM/SIM2 Clock Signal
SIM2_RST
O
17
USIM/SIM2 RESET Signal
VSIM2
PO
95
USIM/SIM2 Power
3.5.2 USIM Interface Circuit
3.5.2.1 SIM Card Slot with Detection Signal
SIM card slot (recommended model: SIM016-8P-220P) is required for USIM/SIM design, and hot-plug
card slot with SIM card detection function is recommended.