
Hardware Integration Guide
Specifications subject to change
18
4119157
Signal Reference Schematics
Figure 4-2: UIM Interface
Figure 4-3: USB Interface
0
0
0
0
10nF
0
100nF
10
C3
C2
C1
9
C7
C6
C5
GND
VPP
I/O
SW_A
VCC
RST
CLK
SW_B
DNI
DNI
DNI
VGPIO_1V8
UIM_RESET_N
UIM_DATA
UIM_CLK
UIM_VCC
UIM1_DET
UIM1
DNI
SIM2070-6-0-30-00-A
ESD suppressor
Note:
Example ESD and SIM connector part numbers listed.
Comparable parts may be used instead.
Note:
Capacitor on UIM_CLK is intended to slow down the
clock signal in case of crosstalk.
DNI
DNI
Example ESD suppressor:
STMicroelectronics
DALC208SC6
+
uClamp 3301P
1
2
3
4
6
5
Important:
SIM connector must have a ‘Normally closed’
detection switch.
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