Smart Machine Smart Decision
SIM5320JE-TE_Hardware Design_V1.01
2012-07-10
35
3.5.3
Recommend Components
For 6 pins USIM socket, SIMCom recommend to use Amphenol
C707 10M006 512 2
. User can visit
http://www.amphenol.com for more information about the holder.
Figure
27
: Amphenol SIM card socket
Table 17: Amphenol USIM socket pin description
Pin
Signal
Description
C1
USIM_VDD
SIM Card Power supply, it can identify automatically the
SIM Card power mode
,
one is 3.0V±10%, another is
1.8V±10%.
C2
USIM_RST
SIM Card Reset.
C3
USIM_CLK
SIM Card Clock.
C5
GND
Connect to GND.
C6
VPP
Connect to USIM_VDD
C7
USIM_DATA
SIM Card data I/O.
3.6
I2C Interface
I2C is used to communicate with peripheral equipments and can be operated as either a transmitter or
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