Proprietary And Confidential - Sierra Wireless MC5725 Hardware Integration Manual

CDMA and GSM / UMTS Mini Card Hardware Integration Guide
4.7uF
X5R
typ
Located near
USIM socket
XIM_VCC
XIM_CLK
XIM_DATA
XIM_RESET
GND
USIM card connector
66
In the event of a discrepancy in values between this guide and the Product Specification Document (PSD), the PSD takes precedence.
Figure 5-2: USIM application interface
(Optional.
Locate near the
USIM socket)
15 kΩ - 30 kΩ
(C1)
(C3)
(C7)
(C2)
(C5)
ESD
protection
Figure 5-3: USIM card contacts (contact view)

Proprietary and Confidential

XIM_VCC
(Optional.
Locate near the
USIM socket)
47 pF, 51 Ω
XIM_CLK
XIM_IO
XIM_RESET
GND
Located near USIM socket.
NOTE: Carefully consider if ESD
protection is required – it may
increase signal rise time and
lead to certification failure
Contact View (notched corner at top left)
RFU
C8
I/O C7
C6
VPP
GND
C5
MC87xx
C4 RFU
CLK
C3
C2 RST
C1 VCC
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